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Constellia ESG

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Empowering organizations to buy better and manage spend through compliant procurement solutions.

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Tracked since 2026

The Bottom Line

Price
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Key facts

  • Manages over £400M in spend for public and private sectors.
  • Connects buyers with 4,000+ pre-approved suppliers across 400+ subcategories.
  • Offers compliant procurement routes, driving efficiency and savings with a neutral vendor model.

Pros

  • Streamlines complex procurement processes
  • Achieves significant cost savings (up to 21% in mini-competitions)
  • Ensures compliance with public sector regulations
  • Provides rapid supplier award times (as little as 2 days)
  • Offers a diverse and dynamic supplier base

Cons

  • Specific pricing details are not publicly available
  • Primarily focused on UK public and private sectors, which might limit international applicability
  • Requires engagement with their team for detailed understanding of services

What is Constellia ESG?

Constellia is a leading procurement solutions provider that manages over £400 million of spend for more than 250 public and private sector organizations. It operates a neutral vendor model, connecting buyers with a marketplace of over 4,000 pre-approved suppliers across more than 400 subcategories of spend. This platform ensures compliant procurement routes, drives efficiencies, and delivers savings. The service is built on three key pillars: dedicated procurement specialists who assist with pre-market engagement, specification writing, and contract management; a purpose-built Source-to-Pay platform that offers transparency, real-time data, and live project access; and a diverse marketplace that includes micro-SMEs, SMEs, and large corporations. Constellia's model focuses on delivering value for money, innovation, and measurable social impact, particularly within the public sector through PCR 2015 compliant frameworks and for the private sector via a Consultancy MSP solution. As an employee-owned organization, Constellia emphasizes a values-led approach, ensuring that its team members have a genuine stake in the company's success and are committed to delivering exceptional service. The platform is designed to streamline complex procurement processes, reduce time to award, and achieve significant savings for clients across various industries including government, healthcare, education, and banking.

Available on: Web

Preview

Key Features

  • Managed marketplace with 4,000+ pre-approved suppliers
  • Neutral vendor model for fair supplier access
  • Source-to-Pay platform with real-time data and MI
  • Dedicated procurement specialists for end-to-end support
  • Compliance with Public Contracts Regulation 2015 frameworks
  • Consultancy Managed Service Provider (MSP) for private sector
  • Collaborative procurement communities for networking and insights
  • Access to 400+ subcategories of spend

Pricing Plans

Pricing checked Oct 8, 2026. Source: constellia.com, read Oct 8, 2026

Constellia ESG plans and prices, checked October 2026
Plan Price Details
AEC Omni CPV Neutral Vendor MSP Framework for Multi-Specialism Services

Pricing based level of service

  • Single supplier framework
  • 10 years
  • Covers professional services, works, goods and technology
+1 more
  • £18 billion
AEC Neutral Vendor Framework for Multi-Specialism Services

Pricing based level of service

  • Single supplier framework
  • 6 years with break clauses in Jan 2024 and 2025
  • Covers professional services, works, goods and technology
+1 more
  • £6 billion
SEWTAPS Framework (let by Cardiff Council)

Pricing based on project value AND direct award /mini competition

  • Expires April 2026
  • Lot 11 Neutral Vendor Managed service
  • 1 of 2 providers, ranked highest in quality and price
+2 more
  • Call-off via direct award possible
  • Professional services (all sub categories)
ESPO MSTAR4 Lot 4 Framework

Pricing based on project value AND sourcing route

  • Lot 4 Statement of Works (Project Delivery)
  • Call-off via direct award possible
  • £4 billion
+1 more
  • Professional services
Neutral Vendor Framework for Innovation (NVFi)

Pricing based level of service

  • Single supplier framework
  • 4 years
  • Call-off via direct award possible
+2 more
  • Covers innovative technological goods or services
  • £400 million
Full Constellia ESG pricing: every plan, hidden costs and alternatives

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Constellia ESG FAQ

How does Constellia ESG help organizations achieve compliant procurement?

Constellia ESG operates a neutral vendor model that connects buyers with a marketplace of over 4,000 pre-approved suppliers. This platform ensures compliant procurement routes, particularly within the public sector through PCR 2015 compliant frameworks, and also supports the private sector via a Consultancy MSP solution.

What kind of user benefits most from Constellia ESG?

Organizations in the public and private sectors, including government, healthcare, education, and banking, benefit from Constellia ESG. It is designed for those seeking to streamline complex procurement processes, achieve significant savings, and ensure compliance in their purchasing activities.

How does Constellia ESG compare to SAP Ariba?

Constellia ESG differentiates itself by operating a neutral vendor model with a focus on a diverse marketplace of over 4,000 pre-approved suppliers, driving efficiencies and delivering savings. It also emphasizes dedicated procurement specialists for support, which may differ from SAP Ariba's core offerings.

What are the main limitations of Constellia ESG?

Constellia ESG's primary focus is on the UK public and private sectors, which may limit its international applicability for some organizations. Additionally, specific pricing details are not publicly available, requiring direct engagement with their team for a detailed understanding of services.

How is Constellia ESG priced?

Constellia ESG is a paid product and does not offer a permanently free tier. Organizations interested in its services would need to engage directly with the Constellia team to understand the specific pricing structure for their needs.

Can Constellia ESG help reduce the time taken to award supplier contracts?

Yes, Constellia ESG is designed to reduce time to award, with rapid supplier award times possible in as little as 2 days. This efficiency is achieved through its streamlined processes and pre-approved supplier marketplace.

What role do dedicated procurement specialists play in Constellia ESG's service?

Dedicated procurement specialists are a key pillar of Constellia ESG's service, assisting clients with pre-market engagement, specification writing, and contract management. They provide expert support throughout the procurement lifecycle to ensure successful outcomes.

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