Best Accounting Software for Architects in 2026
Short answer: QuickBooks Online Advanced at $340/mo is the architecture ledger that bills by phase and includes room for 25 users. Plus at $140/mo is the project-profit plan for a studio that does not invoice phases. Xero Established at $90/mo fits a firm that wants projects and no per-user fee. BigTime Essentials at $20/user/mo sits beside the books, with phase budgets on a higher tier.
Phase billing for an architecture practice lives on one Intuit plan. A cheaper project-profit seat still leaves the schematic invoice in a spreadsheet.
Most architecture firms buy the accounting plan their bookkeeper already knows, then find the fee by phase was never in it. Schematic design, design development, and construction administration are separate products from one invoice. The subscription that can bill a percent of a phase is a different purchase from the subscription that only shows whether a project made money.
Toolradar data: 191 of the 270 accounting tools we track are paid-only (71%), while 26% still offer a free or freemium plan.
A free plan in that mix can send an invoice and still cannot cost a phase of the fee, which is why it keeps landing in this search. The ranking is for the principal and the office manager who need the books and the phase to agree. A general shortlist is the accounting software guide, and a studio with no phases should use the small-business accounting guide. Firms that also hold construction contracts should read the construction accounting guide beside this page.
QuickBooks Advanced is where to start when the practice bills by phase and wants that workflow inside Intuit's ledger. Xero Established is where to start when you want project time, costs, and progress invoices without a per-user fee. Other ledgers in the same category are listed in the accounting catalog. How we chose: these 10 were scored for phase and project billing inside a field of 270 accounting tools, and every price was read on the vendor site in September 2026.
Top Picks
Picked by editorial review, informed by G2 and Capterra review volume and rating and by media mentions, the signals behind our category rankings. How we rate
| Tool | Starting price | Rating | Best for |
|---|---|---|---|
| QuickBooks | From $340/mo, up to 25 users | 4.4 405 reviews | Firms that want phase budgets and milestone billing inside QuickBooks. |
| Xero | From $90/mo | 4.4 5,158 reviews | Studios that want project time and costs without paying per seat. |
| BigTime | From $20/user/mo | 4.5 1,923 reviews | Firms that want time and billing beside QuickBooks, with phase budgets on a higher tier. |
| Zoho Books | From $40/mo, billed yearly | 4.4 1,009 reviews | Small studios that want projects inside the ledger at a lower organization rate. |
| FreshBooks | From $70/mo on Premium | 4.5 5,507 reviews | Solo architects and tiny studios that bill retainers and need project profit. |
| Harvest | From $14/seat/mo yearly | 4.4 844 reviews | Teams that already have a ledger and need hours, invoices, and project margin. |
| Productive | Professional $24/user/mo yearly | n/a | Studios that want budgets and time approvals, then sync invoices to the books. |
| Sage Intacct | Custom quote | 4.3 4,086 reviews | Firms past a basic ledger that need multi-entity financials and a quote. |
| Acumatica | Under $1,500/mo | 4.4 1,998 reviews | Design-build firms that need job cost and project billing with unlimited users. |
| Knowify | From $99/mo, billed yearly | 4.5 212 reviews | Practices that submit G702 and G703 pay apps and keep QuickBooks as the ledger. |
Firms that want phase budgets and milestone billing inside QuickBooks.
- Pro: Intuit's August 2026 Advanced update adds cost tracking by phase, change orders, and milestone billing, and the professional-services page names architecture practices, which is what a fee billed by phase needs inside the ledger.
- Pro: Advanced includes the larger billable-user allowance and 3 accountant connections, while Plus stops at 5 billable users and 2 accountant firms, so outgrowing that cap buys phases and seats on the same subscription.
- Pro: Bill Pay Elite is a $45/mo add-on on lower plans and is included on Advanced, which Intuit describes as a $540/year value, so consultant payments belong in the Advanced comparison.
- Con: Plus, at $140/mo, tracks project profitability for 5 billable users and leaves phase budgets and milestone billing on Advanced, so the schematic invoice still gets built by hand.
- Con: Simple Start is $38/mo for 1 billable user, and Essentials is $85/mo for 3 users with bills and time, and neither includes project profitability, so those seats still show no job margin.
Watch out
50% introductory discount expires after 3 months, doubling your bill overnight
Studios that want project time and costs without paying per seat.
- Pro: Project time, project costs, multiple currencies, and expense claims sit on Established, and the license is not priced per user, so headcount can grow without a new line on the accounting bill.
- Pro: Xero Projects can create fixed-price or time-and-materials invoices, plus deposits, lump sums, and project progress payments, and it is included on Established, so a percent-complete phase does not stay a typed row.
- Pro: Each project shows gross profit margin, and resource reports split chargeable and non-chargeable hours, so utilization is visible before the phase has spent the fee.
- Con: Growing lists at $55/mo and rises to $59/mo on October 1, 2026, and it does not include project tracking, so a studio on that plan still costs each phase outside the file.
- Con: Projects usage past the included allowance is billed the following month, and Xero publishes no per-user rate for that usage on the US pricing page, so budget a variable line beside the organization fee.
Watch out
Potential add-on costs for specific integrations
Firms that want time and billing beside QuickBooks, with phase budgets on a higher tier.
- Pro: Time, expenses, invoicing, rate management, and approvals are on Essentials, along with a QuickBooks integration at the per-user rate in the table, which fits when the ledger is settled and the gap is the timesheet.
- Pro: Project budgeting, custom cost and rate management, multi-level approvals, and a Sage Intacct integration arrive on Premier, so a phase budget means that quote rather than the Essentials seat.
- Pro: Quotes and resource management, including utilization reports, are separate modules you can add, so the Essentials rate is not a staffing system and utilization is a second line.
- Con: Premier, the tier with project budgeting, publishes no price, so a phase-budget requirement cannot be set beside a published seat until the quote arrives.
- Con: BigTime is not the general ledger. The firm still pays for QuickBooks or another file, and dropping the books because the timesheet can send an invoice leaves the close with nowhere to land.
BigTime's Essentials tier at $20 per user/month offers a fair starting point for core PSA functionalities, especially with the inclusion of an AI Assistant.
Watch out
Potential DCAA compliance add-on cost
Small studios that want projects inside the ledger at a lower organization rate.
- Pro: Professional includes timesheets, project profitability, and retainers, at $40/mo per organization on annual billing, with 5 users included, which suits a small Zoho studio that does not need Intuit's phase tools.
- Pro: While revenue for the financial year stays under $50,000, the free plan does not charge, with 1 user plus 1 accountant and up to 1,000 invoices a year, and that ceiling is not the projects tier.
- Pro: A 14-day trial is available before you subscribe, and extra users are $2.50/mo each when billed annually, so the sixth login is a small add-on rather than a new per-seat product.
- Con: Month-to-month Professional is $50/mo per organization. Standard, at $15/mo billed annually, includes 3 users and does not include the projects plan, so the cheaper fee still leaves the job in a sheet.
- Con: The Professional invoice ceiling is 10,000 a year, and past that the practice buys a higher plan, which shows up if every consultant draw is its own bill.
Zoho Books is the best value in cloud accounting.
Watch out
Additional users cost $2.50/user/month on top of plan price
Solo architects and tiny studios that bill retainers and need project profit.
- Pro: Premium is $70/mo, with unlimited billable clients, project profitability, accounts payable, and proposals, which fits a solo or tiny studio on retainers that does not bill by phase.
- Pro: Plus, at $43/mo, is where retainers and a general ledger start, and it caps billable clients at 50, so a long client history can hit the cap before the live work looks large.
- Pro: A US card payment costs 2.9% plus $0.30, and ACH costs 1%. The trial runs 30 days with no card required, and yearly billing takes 10% off, so a retainer can be tested before you commit.
- Con: Each additional person costs $11/mo, and Lite at $23/mo stops at 5 billable clients without project profitability, so hiring a project manager still leaves the margin invisible on Lite.
- Con: Archived clients stay inside the cap with active ones, and a finished project frees a slot only when that client is deleted, so the archive can force a higher plan.
FreshBooks' pricing is fair for small businesses, though it can become expensive as client numbers grow.
Watch out
Potential for add-on service costs
Teams that already have a ledger and need hours, invoices, and project margin.
- Pro: Enterprise adds timesheet approvals and profitability split by client, by project, by task, and by team, at $14/seat/mo on a yearly bill, which is the plan when phase margin is why you bought the timesheet.
- Pro: Teams is $108/seat billed annually and includes capacity reporting plus QuickBooks Online and Xero integrations, so you can see who is busy and still not see which phase made money.
- Pro: The free plan is $0 for 1 seat and 2 projects, with time tracking and invoicing, which is a solo sketch and not a firm file once more than one job is live.
- Con: Month-to-month Enterprise is $17.50/seat/mo, and profitability reporting is not on Teams, so a margin report means the higher plan and a higher monthly seat than the yearly figure.
- Con: Usage fees for extra invoices, projects, clients, and tasks sit on top of the seat, and Harvest publishes no per-unit rate, so the table seat is not the whole bill as the project list grows.
It's best for small to medium-sized businesses needing robust time tracking and invoicing without breaking the bank.
Watch out
Free tier limited to 1 seat, 2 projects.
Studios that want budgets and time approvals, then sync invoices to the books.
- Pro: On yearly billing, Professional is $24/user/mo and adds recurring budgets, billable-time approvals, and rate cards on top of Essential, which suits a studio that budgets the job and still closes elsewhere.
- Pro: Accounting integrations send invoices to QuickBooks Online or Xero and sync payments back, so Productive does not have to be the close and the ledger subscription is still owed.
- Pro: Inviting a client does not add a seat. The minimum order is 3 paid seats, and a contractor is billed like an employee, so a bench of specialists is not free.
- Con: Ultimate, which adds overhead calculation, revenue forecasting, and multiple subsidiaries, publishes no price, so a multi-office firm cannot compare that tier with a published seat until the quote arrives.
- Con: Staff and outside consultants each take a seat, and the accounting file is still a separate bill, so price the stack rather than the timesheet alone.
Productive's pricing is fair, offering a clear progression of features.
Firms past a basic ledger that need multi-entity financials and a quote.
- Pro: Sage aims Intacct at growing or mid-sized firms, typically over $4 million in annual revenue or more than 20 employees, and a practice under both lines is not who this quote is for.
- Pro: Professional services is a named industry on the US product page, and the Time agent is described as filling timesheets to improve project cost accuracy, which matters once the close is project cost rather than a checkbook.
- Pro: The subscription is annual, and Sage says a pricing request gets a reply within 24 hours, which confirms interest and still does not hand you a number beside a published seat.
- Con: Intacct publishes no seat price, so you cannot place it next to a published user rate until the quote names entities and modules.
- Con: Plan on an implementation of 3 to 6 months before the first close in the new file. If invoices must go out next month, you are waiting on a project, not switching a plan.
Design-build firms that need job cost and project billing with unlimited users.
- Pro: Acumatica Construction lists job costing, project billing, change orders, and retainage at the starting package price, which is for a practice that also builds rather than a studio that only invoices a design fee.
- Pro: The license does not charge per user, and cost follows the applications, usage, and deployment you turn on, so a large staff is not a seat multiplier while an unused module can still raise the bill.
- Pro: APEX for Construction bundles software, implementation, and support into that starting package, rather than quoting the seat and the project as two surprises.
- Con: The construction edition is built for firms that run jobs, daily field reports, and contracts, so a design studio that only bills a fee pays for workflows it will not use.
- Con: Outside that construction package, Acumatica publishes no seat price, so a custom edition stays off the budget until a partner writes a number.
Practices that submit G702 and G703 pay apps and keep QuickBooks as the ledger.
- Pro: Core is $99/mo billed annually, or $149 month to month, with 1 user, and the plan is sold for fixed-price and AIA jobs, which a one-person design-build shop can start and a design-only practice should skip.
- Pro: The pricing page includes AIA G702 and G703 pay applications, with retainage and percentage of completion, synced to QuickBooks, which is a schedule of values rather than a percent of a design fee.
- Pro: Advanced is $329/mo billed annually for 10 users, or $399 month to month, and Knowify says that tier adds job costing and real-time WIP, so buy it when the practice also builds.
- Con: Each extra user is $29/mo. Knowify is built for trade contractors, so a design practice that never files a pay app is on the wrong product.
- Con: The general ledger stays in QuickBooks. Project sync is described for QuickBooks Online Plus or Advanced, so the lower Intuit plans are the wrong pair and you still pay for both products.
Knowify's pricing is on the higher side, especially for smaller contractors.
Watch out
Prevailing wage features are a separate add-on
What accounting software for architects actually is
Architecture accounting software is the ledger that bills a phase of the fee and shows whether that phase made money. A normal small-business file records a bill, a payment, and a bank line, and the phase stays in a spreadsheet.
A practice also needs hours against the phase, consultant costs passed through, and a way to invoice a percent complete. Without that, construction-administration margin shows up only after the project is over, too late to change the fee.
The ten systems below split into books you can close in, a time layer that still needs a ledger, and construction packages a design-only studio should skip. QuickBooks, Xero, Zoho Books, and FreshBooks can be the books. BigTime, Harvest, and Productive track time and budgets, then send the invoice into one of those ledgers, so the subscription for the books is still due.
Sage Intacct is the financial system for a firm that has outgrown a single-company file. Acumatica and Knowify belong when the practice also runs construction contracts, job cost, or AIA pay applications, which a design-only studio does not need. The head-to-head for the two small-firm files is QuickBooks vs Xero.
Why the cheap accounting seat fails on a phased fee
The expensive mistake shows up on the first construction-administration invoice. You paid for a finance license, and percent complete by phase was never in it. Intuit sells that difference as two QuickBooks Online plans, and the name on the quote is the decision.
Plus tracks whether the job made money. Advanced, in Intuit's August 2026 update, adds cost tracking by phase, change orders, and milestone billing, and the professional-services page names architecture practices. A quote that names only Plus is a project-profit file, so the phase invoice still gets built by hand.
Xero's US list puts project tracking on Established and leaves it off Early and Growing. A firm that buys Growing to save the difference still logs staff time in a sheet, then types the invoice. FreshBooks puts project profitability on Premium, and the plans under it can send retainers without that margin view.
Seat math changes the winner once more people must post. Plus includes a small billable-user cap, and the next Intuit plan is a different subscription with a much larger allowance. Xero bills the organization, so a studio of 8 and a studio of 18 pay one base fee. BigTime and Harvest charge the person, and the general ledger is a second bill.
If the company has no projects, use the small-business accounting guide. If the work is trade contracting with pay apps rather than a design fee, use the contractor accounting guide.
Key Features to Look For
Phase budgets on the same license as the ledger (Essential)
Advanced is where Intuit put phase cost, change orders, and milestone billing for architecture practices. Plus tracks project profit and leaves the phase invoice outside the file.
A progress invoice with a name (Essential)
Xero Projects can raise deposits, lump sums, and project progress payments from time and expenses. A plan with no projects leaves the percent-complete invoice as a manual document.
A user charge you can multiply (Essential)
Plus caps billable users at 5, Xero does not charge per user, and BigTime Essentials is a per-user rate. The same headcount is three contracts, and one new hire can change which stack is cheaper.
Consultant costs on the job (Important)
Bills and reimbursable expenses have to hit the project, not only the profit and loss. Xero Established can assign bills to a project, and plans without projects cannot.
A ledger the accountant will sign (Important)
Harvest, Productive, and BigTime Essentials can invoice and still leave the close in QuickBooks or Xero. Budget both subscriptions before you drop the books, or the year-end file has nowhere to land.
AIA pay apps only if you build (Important)
Knowify produces G702 and G703 pay applications and syncs them to QuickBooks. A design studio that bills a fee, not a schedule of values, pays for a workflow it will not run.
Implementation that is not in the seat (Nice to have)
Sage Intacct is an annual subscription, and a firm should expect 3 to 6 months before the new close is real. Acumatica's construction package bundles software with implementation, and a pure design firm overbuys it.
What to decide before the demo
If the practice bills schematic design through construction administration as percents of a fee, price QuickBooks Advanced before Plus. Plus has project profit and does not have the phase tools.
If fewer than five people post and you will not bill by phase, Plus is the Intuit plan with project profitability, and Advanced is a larger subscription than that studio needs.
If you want projects without a per-user fee, price Xero Established and confirm Growing is not the plan on the order, because Growing cannot see the job.
Evaluation Checklist
On QuickBooks, confirm the order says Advanced if you need phase budgets and milestone billing, and separate billable users from people who only need a report.
On Xero, confirm Established, then ask what Projects usage costs past the included allowance, because that rate is billed the following month.
On BigTime, write down whether the order is Essentials or Premier. Project budgeting and the Sage Intacct integration are on Premier, so Essentials does not buy the phase budget.
If the order is Zoho Books, the projects plan is Professional, and every login past the included five is an extra user.
Before you sign FreshBooks, add archived clients to the live roster, check that total against the plan cap, and confirm project profitability is on the plan.
On Harvest, separate the seat from usage, and confirm profitability is Enterprise rather than Teams, because Teams can show who is busy and still hide the margin.
On Productive, staff and contractors each take a paid seat, clients do not, and you still need to name the ledger that closes the month.
On Knowify, confirm the QuickBooks edition is Plus or Advanced if projects must sync, and decide whether job cost requires the higher plan.
Pricing Overview
Phase billing inside the ledger
QuickBooks Advanced when the practice invoices by phase, and Plus when project profit is enough.
One company subscription
Projects with no per-user fee
Xero Established for progress invoices, and Zoho Books Professional when the team already lives in Zoho.
Per organization
Solo and very small studios
FreshBooks Premium when project profitability and retainers matter and the client list is still small.
Per organization, client caps
Time billed into an existing ledger
Per person
Construction contracts, not a design fee
Acumatica Construction and Knowify when the firm bills job cost or AIA pay applications.
Package or quote
Pricing Comparison
| Tool | Published price | What that price buys | Billing |
|---|---|---|---|
$340/mo Advanced | Phase budgets and milestone billing, 25 users. Plus is $140/mo for project profit and 5 users. | Monthly, 50% off for 3 months | |
Xero | $90/mo Established | Projects, multi-currency, and no per-user fee. Growing at $55/mo has no projects. On October 1, 2026, the Established list moves to $97/mo. | Monthly |
$20/user/mo Essentials | Essentials covers time, expenses, invoicing, and QuickBooks. Premier holds project budgeting and publishes no price. | Per user | |
$40/mo yearly, Professional | Projects, timesheets, and retainers, 5 users. Month to month is $50/org. Extra users are $3/mo. | Per organization | |
$70/mo Premium | Project profitability and unlimited clients. Plus is $43/mo, capped at 50 clients. Extra people are $11/mo. | Monthly, or yearly at 10% off | |
Harvest | $14/seat/mo yearly | Enterprise profitability by project. Teams is $108 per seat a year and has no profitability report. | Per seat, plus usage |
Productive | $24/user/mo yearly | Professional adds billable-time approvals and accounting integrations. Minimum 3 seats. Ultimate is a quote. | Per user, yearly |
Custom quote | Annual subscription for firms over $4 million in revenue or past 20 employees. Implementation is typically 3 to 6 months. | Annual, quote | |
Acumatica | Under $1,500/mo | Construction package with job cost, project billing, and retainage. Unlimited users. General licensing is still a quote. | Package, or partner quote |
Knowify | $99/mo yearly, Core | AIA invoicing, 1 user. Advanced is $329/mo yearly for 10 users and adds job cost and WIP. Extra users are $29/mo. | Annual or monthly |
Vendor sites were read on September 23, 2026. Promo rates end on the dates in the FAQ. A quote row has no public dollar. Knowify's plan rates are the ones Knowify published on August 5, 2026.
Mistakes to Avoid
- ×
Buying Plus for a practice that invoices by phase pays for project profitability and leaves milestone billing on Advanced, so the schematic invoice still gets assembled outside the file.
- ×
Buying Xero Growing to save money skips project tracking. That cheaper plan becomes $59/mo on October 1, 2026, and staff time still lives in a sheet the ledger cannot see.
- ×
Treating Harvest Teams as a margin system gets capacity reporting and a QuickBooks or Xero sync. Profitability by project is the Enterprise plan, and usage fees sit on top of either seat.
- ×
Treating an archived FreshBooks client as gone keeps that client inside the cap. Plus stops at 50 billable clients, and only a deleted client frees a slot.
- ×
Buying Knowify for a design fee gets AIA pay applications and a QuickBooks sync. A studio that bills percent of fee, and never a schedule of values, paid for a contractor workflow.
- ×
Assuming the BigTime Essentials rate includes phase budgets covers time, invoicing, and QuickBooks. Project budgeting is Premier, and that tier publishes no price.
Expert Tips
- →
Name the Intuit plan in the order before the demo ends. Advanced is the architecture phase workflow. Plus is project profit inside that plan's user cap. The small-business accounting guide is the next page when the studio has no phases.
- →
Write the October Xero date into the order. The Established US list rises on October 1, 2026, the 90 percent new-customer discount runs through September 30, 2026, and the multi-organization discount starts to phase out in October. Compare the files on QuickBooks vs Xero.
- →
Price the timesheet and the ledger as one stack. Harvest and Productive post invoices into QuickBooks or Xero, and BigTime Essentials does the same. Dropping the books because a timesheet can invoice leaves the close with nowhere to land. Hours-only tools are in the time tracking guide.
- →
Count Productive seats before you add contractors. Employees and contractors both pay, clients do not, and the minimum is 3 seats. A 10-seat wire-transfer invoice is the smallest annual order Productive will bill that way.
- →
Keep Intacct for the firm that has already outgrown one file. A practice under the revenue and headcount Sage names should not start a 3 to 6 month implementation for a phase invoice due this month.
- →
Send design-build work to a construction system on purpose. Acumatica and Knowify earn a place when retainage, job cost, or a pay app is the invoice. A fee-only practice should stay on the accounting catalog plans that bill phases, and contractor-led jobs belong in the contractor accounting guide.
Red Flags to Watch For
-
A QuickBooks quote that says Plus for a practice that invoices by phase, because milestone billing and phase budgets are on Advanced.
-
Xero Early or Growing sold as project accounting, because project tracking is on Established and Early also caps invoices and bills.
-
FreshBooks Lite or Plus presented as a project-margin system, because project profitability is on Premium and Select.
-
Harvest Teams sold as profitability reporting, because that report is on Enterprise and the seat price is not the whole bill.
-
Knowify or Acumatica Construction sold to a design studio that never submits a pay app, which is a contractor system bought for a fee practice.
-
A Sage Intacct call that ends with no written range, so the shortlist still has no number to set next to a published seat.
The Bottom Line
QuickBooks Advanced is the pick when an architecture practice bills by phase and wants that workflow in Intuit's ledger. Plus is the pick when project profit is enough and five or fewer people post. Xero Established is the pick when you want projects, progress invoices, and no per-user fee.
Zoho Books Professional is the pick for a lower organization rate that already includes projects and retainers. FreshBooks Premium is the pick for a solo architect or a very small studio that lives on retainers. Harvest Enterprise and Productive Professional are the picks when the ledger stays put and the pain is hours, budgets, and the invoice.
BigTime Essentials is the pick for time and billing beside QuickBooks, and Premier is the quote when you need project budgets. Sage Intacct is the quote when the firm is past a single-company file. Acumatica and Knowify are the picks when the practice also runs construction contracts, not when it only bills a design fee.
Cite this: Toolradar, "Best Accounting Software for Architects in 2026", September 2026. Prices checked on vendor pages in September 2026. Compared with the 270 accounting tools we track.
Frequently Asked Questions
What is the best accounting software for architects in 2026?
QuickBooks Online Advanced is the default when an architecture practice must bill by phase inside the ledger. It is $340/mo for up to 25 users, and Intuit's August 2026 update puts phase budgets, change orders, and milestone billing on that plan, verified in September 2026.
Plus is the better start when you only need project profitability and five or fewer people post. Xero Established is the better start when you want projects and no per-user fee. A firm that also runs construction contracts should compare Acumatica and Knowify rather than forcing a design-fee plan to produce pay apps.
How much does accounting software for architects cost in 2026?
On the September 2026 lists, Zoho Books Professional is the low organization rate at $40/mo billed annually. FreshBooks Premium is $70/mo for project profitability and unlimited clients. Xero Established moves to $97/mo on October 1, 2026. QuickBooks Plus is the five-user project-profit plan, and Advanced is the phase-billing subscription above it.
Harvest Enterprise is $168/seat billed annually. BigTime Essentials is priced per user. Productive Professional requires at least 3 paid seats. Sage Intacct publishes no seat price. Acumatica's construction package starts under $1,500/mo. Knowify Advanced is $329/mo billed annually for 10 users.
Is there a free accounting tool for architects in 2026?
Zoho Books has a free plan while revenue for the financial year stays under $50,000, with 1 user plus 1 accountant and up to 1,000 invoices a year. That plan is not the projects tier. Harvest's free plan is $0 for 1 seat and 2 projects, which cannot run a firm.
FreshBooks offers a 30-day trial with no card, then a paid plan. QuickBooks, Xero Established, BigTime, and Sage Intacct do not offer a free ledger that can bill a phase. A studio that needs project profit is on a paid plan.
Is QuickBooks Plus enough for an architecture firm that bills by phase?
Plus is the first QuickBooks Online plan with project profitability, at $140/mo for up to 5 billable users. Intuit's August 2026 description of cost tracking by phase, change orders, and milestone billing for architecture practices is on Advanced, which also carries the larger user allowance.
Simple Start, at $38/mo, is 1 billable user. Essentials, at $85/mo, adds bills and time for 3 users and still omits project profitability. A new subscriber's promotional 50 percent lasts three months, and Intuit says a new subscriber's price holds for six months before the August 2026 list change hits on the seventh invoice.
Is Xero enough for architecture project accounting in 2026?
Xero Established is enough when you need project time, costs, deposits, and progress invoices in the same file, at $90/mo with no per-user fee. From October 1, 2026 that list becomes $97/mo. New US customers can take 90 percent off for six months if they buy by September 30, 2026, and that discount does not cover usage fees.
Growing, at $55/mo, does not include project tracking, so the job still gets costed in a sheet. Early caps you at 20 invoices and 5 bills. Xero can invoice Projects usage the following month, and it publishes no per-user dollar for that usage on the US pricing page. The ledger comparison is QuickBooks vs Xero.
Can Harvest or BigTime replace the accounting file for an architecture firm?
Neither one is the general ledger. Harvest Enterprise, at $14/seat/mo billed yearly, adds profitability and can sync invoices to QuickBooks Online or Xero. BigTime Essentials starts at $20/user/mo and includes that QuickBooks integration, while project budgeting and Sage Intacct sit on Premier, which is the tier a phase budget actually requires.
You still pay for the books. Productive Professional, at $24/user/mo billed yearly, is the same shape: budgets and approvals in the studio tool, and the close in the accounting file. See QuickBooks alternatives if the open question is replacing the ledger rather than adding timekeeping.
Do architects need AIA pay app software or a design-fee ledger?
A design practice that bills a percent of fee by phase needs a ledger with phase or project billing, which is QuickBooks Advanced or Xero Established on this list. AIA G702 and G703 pay applications are a contractor schedule of values, and they answer a different question from a design fee.
Knowify is built for that pay app and starts at $99/mo billed annually, with the general ledger remaining in QuickBooks. Acumatica's construction package, starting under $1,500/mo, adds job cost and retainage for firms that also build. A fee-only studio should not buy either one. Contractor-led accounting is covered in the contractor accounting guide.
Cite this page: Toolradar, "Best Accounting Software for Architects in 2026", updated September 2026, https://toolradar.com/guides/best-accounting-software-for-architects
Sources
Prices and plan details on this page come from each vendor's own pricing page, re-checked by the Toolradar pricing tracker:
- QuickBooks pricing, checked
- Xero pricing, checked
- BigTime pricing, checked
- Zoho Books pricing, checked
- FreshBooks pricing, checked
- Harvest pricing, checked
- Productive pricing, checked
- Acumatica pricing
- Knowify pricing, checked
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