Public Sector + UK
Best Public Sector AI Agencies in the UK (September 2026)
10 Public Sector-specialized AI agencies based in the UK. Top-ranked: Faculty, Fast Data Science, Kainos.
10 of the 10 agencies listed have documented Public Sector client work, verified against published case studies.
Government AI projects answer to procurement law, the EU AI Act, and the public record—constraints most agencies have never worked under. These firms build citizen-service assistants, case-handling automation, and document processing for administrations that must explain every automated decision. The EU AI Act puts many public-sector uses in its high-risk tier, which means documentation, human oversight, and transparency duties from day one. Relevant depth sits in AI Consulting for compliance-first scoping and AI Automation for administrative workflows.
Market snapshot
Pricing for Public Sector AI agencies in the UK
Of the 10 public sector AI agencies on this page, 6 carry complete hourly rate ranges. Across them, rates span €45–€260, with a median around €108/hr. Across the register, rated agencies in the UK bill €65–110/hr (27 rated).
European AI agency hourly rates by country and region →
| Tier | Hourly rate | Agencies |
|---|---|---|
| Budget | Under €100/hr | 2—Analytics Engines, Wolf Logic |
| Mid-tier | €100–149/hr | 2—Transparity, Mercury Labs |
| Premium | €150–199/hr | 1—Contra Agency |
| Top tier | €200+/hr | 1—Fast Data Science |
Team capacity in the UK
Of the 10 agencies on this page, 9 disclose team size. The distribution breaks down as:
- Boutique (<10)3 agencies—Fast Data Science, Wolf Logic, Nebuli
- Small/mid (10-49)4 agencies—Analytics Engines, Mercury Labs, Catalyst Marketing Agency, Contra Agency
- Large studio (100+)2 agencies—Kainos, Transparity
Ranked agencies
Rankings updated · Newest review
Faculty
#5London, United Kingdom
Client evidence: 3 documented clients overall
Best for: Enterprises and public bodies that need AI deployed under regulatory or safety scrutiny.
Fast Data Science
#9London, United Kingdom
Client evidence: 8 documented clients overall
Best for: Pharma, research and public-sector buyers with an NLP problem on unstructured documents that has to survive review.
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Kainos
#30Belfast, United Kingdom
Client evidence: 5 documented clients overall
Best for: UK public bodies and regulated enterprises buying delivery at program scale, with AI as one workstream inside a larger build.
Transparity
#33London, United Kingdom
Client evidence: 8 documented clients overall
Best for: UK enterprises, charities and public bodies already on Microsoft 365 and Azure that want Copilot adopted and governed.
Analytics Engines
#35Belfast, United Kingdom
Client evidence: 4 documented clients overall
Best for: Public bodies and research organizations that need messy data unified and throughput measured before any model work starts.
Wolf Logic
#51Birmingham, United Kingdom
Wolf Logic is a West Midlands software company that rebuilt its delivery around an in-house AI orchestration platform, working on custom systems, legacy modernization and agent workflows for healthcare, industrial and public clients.
Nebuli
#58London, United Kingdom
Client evidence: 5 documented clients overall
Best for: Organizations wanting a private, self-hosted generative AI workspace over their own documents rather than a public LLM.
Mercury Labs
#70London, United Kingdom
Client evidence: 6 documented clients overall
Best for: UK public bodies and publicly funded research programs building AI tools that keep expert reviewers in charge.
Catalyst Marketing Agency
#80Birmingham, United Kingdom
Catalyst Marketing Agency is a Birmingham lead-generation agency with London and Dubai offices, running search, content and paid media with a generative engine optimization practice for UK mid-market clients.
Contra Agency
#81London, United Kingdom
Contra Agency is a London web design and digital marketing agency working with law firms, universities and public bodies, with an answer engine optimization practice aimed at visibility inside AI-generated search results.
Other industries served by UK Public Sector agencies
Beyond Public Sector, these 10 agencies also publish experience in:
| Industry | Agencies with stated experience |
|---|---|
| Healthcare | 8 of 10 — Faculty, Fast Data Science, Kainos, Transparity, Analytics Engines, Wolf Logic, Nebuli, Mercury Labs |
| SaaS & B2B | 5 of 10 — Fast Data Science, Kainos, Transparity, Nebuli, Catalyst Marketing Agency |
| FinTech | 3 of 10 — Faculty, Transparity, Mercury Labs |
| Legal | 2 of 10 — Faculty, Contra Agency |
| Manufacturing | 2 of 10 — Analytics Engines, Wolf Logic |
Most common services offered by UK Public Sector agencies
These 10 Public Sector agencies most commonly offer:
- AI Consulting8 of 10 — Faculty, Fast Data Science, Kainos, Transparity, +4 more
- AI Development8 of 10 — Faculty, Fast Data Science, Kainos, Transparity, +4 more
- Generative AI4 of 10 — Faculty, Kainos, Nebuli, Mercury Labs
- AI Agents3 of 10 — Faculty, Transparity, Wolf Logic
- AI Automation2 of 10 — Faculty, Transparity
- AI SEO2 of 10 — Catalyst Marketing Agency, Contra Agency
Frequently asked questions — Public Sector in the UK
- How much do Public Sector AI agencies in the UK charge?
- Of the 10 Public Sector AI agencies on this page, 6 publish complete hourly rate ranges. They range from €45 to €260, with a median around €108. Across the register, rated agencies in the UK bill €65–110/hr (27 rated). 2 agencies operate under €100/hr: Analytics Engines, Wolf Logic.
- Which are the top-rated Public Sector AI agencies in the UK?
- Based on our editorial scoring (portfolio quality, business credibility, and case study depth), the top-ranked Public Sector AI agencies in the UK are Faculty, Fast Data Science, Kainos. See the full review on each agency's profile.
- What other industries do UK Public Sector agencies serve?
- Beyond Public Sector, the most common cross-industry experience among these agencies is Healthcare (8 of 10 agencies). Notable examples include Faculty, Fast Data Science, Kainos.
- How recent are these Public Sector AI agency reviews?
- All 10 agencies on this page were editorially reviewed between Aug 4, 2026 and Sep 23, 2026 — the most recent being Mercury Labs. See our review methodology for how scores are calculated.
- What's the smallest team size available for public sector in the UK?
- Fast Data Science, Wolf Logic, Nebuli are the boutique studios (under 10 people) on this page, ideal for projects needing senior-level attention without large-team overhead.
Local Insight
Public Sector AI Agencies in the UK
Frameworks decide who gets to bid for UK public-sector AI work, and this roster mixes two supplier types that should not share a shortlist. The builders come first. Mercury Labs is an approved supplier on the Crown Commercial Service AI framework and works from discovery through production. Faculty AI's published work includes the NHS AI Lab's model-validation process, and its work index spans defense, energy, insurance and government. Kainos has delivered government digital services from Belfast since 1986 at a thousand-plus staff, Analytics Engines is a Queen's University spin-out with public-sector and research clients, Nebuli builds generative workspaces and responsible-AI tooling for public bodies, Fast Data Science does language and predictive modeling for health and research institutions, Transparity brings Microsoft platform delivery through Azure AI Foundry, and Wolf Logic works public clients from the West Midlands. The second type is communications: Contra Agency's one published AI engagement is answer engine optimization for a law firm, and Catalyst Marketing Agency's is search and lead generation. Both are credible at what they publish; neither publishes model-building work.
Government buyers carry a documentation burden private clients never see, and the framework route rewards suppliers who have already produced it. Ask for the handover package from a past public engagement—model documentation, evaluation records, runbooks, the human-oversight arrangement—and ask what the department could operate afterward without the supplier. That single question sorts this page reliably. Published bands run €45-260 an hour, but framework and tender pricing rarely resembles a published hourly rate, so treat those figures as an ordering signal rather than a quote.
Intro by Gabor Kiss, curator · How we rank
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