How much do Public Sector AI agencies in London charge?

Of the 5 Public Sector AI agencies on this page, 3 publish complete hourly rate ranges. They range from €85 to €260, with a median around €150. The European Public Sector average is €90-160/hr. 1 agency operates under €100/hr: Mercury Labs.

Which are the top-rated Public Sector AI agencies in London?

Based on our editorial scoring (portfolio quality, business credibility, and case study depth), the top-ranked Public Sector AI agencies in London are Faculty AI, Contra Agency, Fast Data Science. See the full review on each agency's profile.

What other industries do London Public Sector agencies serve?

Beyond Public Sector, the most common cross-industry experience among these agencies is Healthcare (4 of 5 agencies). Notable examples include Faculty AI, Fast Data Science, Mercury Labs.

How recent are these Public Sector AI agency reviews?

All 5 agencies on this page were editorially reviewed between Aug 4, 2026 and Aug 6, 2026 — the most recent being Contra Agency. See our review methodology for how scores are calculated.

What's the smallest team size available for public sector in London?

Fast Data Science, Nebuli are the boutique studios (under 10 people) on this page, ideal for projects needing senior-level attention without large-team overhead.

Public Sector in London

Best Public Sector AI Agencies in London (August 2026)

5 Public Sector-specialized AI agencies based in London. Top-ranked: Faculty AI, Contra Agency, Fast Data Science.

2 of the 5 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.

Public Sector Agencies

€90-160

Market Rate

How We Rank →

Methodology

Market snapshot

Pricing for Public Sector AI agencies in London

Of the 5 public sector ai agencies on this page, 3 publish complete hourly rate ranges. Across them, rates span €85–€260, with a median around €150/hr. The European Public Sector average is €90-160/hr.

Tier	Hourly rate	Agencies
Budget	€50–99/hr	1 — Mercury Labs
Mid-tier	€100–149/hr	1 — Contra Agency
Premium	€150–199/hr	1 — Fast Data Science

Team capacity in London

Of the 5 agencies on this page, 4 disclose team size. The distribution breaks down as:

Boutique (<10)2 agencies — Fast Data Science, Nebuli
Small/mid (10-49)2 agencies — Contra Agency, Mercury Labs

Rankings updated August 2026

Faculty AI

London, United Kingdom

Client evidence: 3 documented clients overall

Best for: Enterprises and public bodies that need AI deployed under regulatory or safety scrutiny.

Contact for rates

Public SectorHealthcareLegal

Contra Agency

#20

London, 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.

10-49€130-170/hr

LegalPublic Sector

Fast Data Science

#25

London, United Kingdom

Fast Data Science is a London natural-language and machine-learning consultancy building text-analysis and predictive models for health, pharma and research clients, with an AI due-diligence practice.

2-9€175-260/hr

HealthcarePublic SectorSaaS & B2B

Mercury Labs

#27

London, United Kingdom

Mercury Labs is a London senior-led AI consultancy working from discovery through production on machine learning, retrieval systems and data engineering, and an approved supplier on the Crown Commercial Service AI framework.

10-49€85-130/hr

Public SectorFinTechHealthcare

Nebuli

#32

London, United Kingdom

Nebuli is an independent London studio building generative-AI workspaces, knowledge systems and responsible-AI tooling for public bodies, research institutions and enterprises.

2-9Contact for rates

Public SectorHealthcareSaaS & B2B

Other industries served by London Public Sector agencies

Beyond Public Sector, these 5 agencies also publish experience in:

Industry	Agencies with stated experience
Healthcare	4 of 5 — Faculty AI, Fast Data Science, Mercury Labs, Nebuli
Legal	2 of 5 — Faculty AI, Contra Agency
FinTech	2 of 5 — Faculty AI, Mercury Labs
SaaS & B2B	2 of 5 — Fast Data Science, Nebuli

Most common services offered by London Public Sector agencies

These 5 Public Sector agencies most commonly offer:

AI Consulting4 of 5 — Faculty AI, Fast Data Science, Mercury Labs, Nebuli
AI Development4 of 5 — Faculty AI, Fast Data Science, Mercury Labs, Nebuli
Generative AI3 of 5 — Faculty AI, Mercury Labs, Nebuli
AI Automation1 of 5 — Faculty AI
AI Agents1 of 5 — Faculty AI
AI SEO1 of 5 — Contra Agency

Frequently asked questions — Public Sector in London

How much do Public Sector AI agencies in London charge?: Of the 5 Public Sector AI agencies on this page, 3 publish complete hourly rate ranges. They range from €85 to €260, with a median around €150. The European Public Sector average is €90-160/hr. 1 agency operates under €100/hr: Mercury Labs.
Which are the top-rated Public Sector AI agencies in London?: Based on our editorial scoring (portfolio quality, business credibility, and case study depth), the top-ranked Public Sector AI agencies in London are Faculty AI, Contra Agency, Fast Data Science. See the full review on each agency's profile.
What other industries do London Public Sector agencies serve?: Beyond Public Sector, the most common cross-industry experience among these agencies is Healthcare (4 of 5 agencies). Notable examples include Faculty AI, Fast Data Science, Mercury Labs.
How recent are these Public Sector AI agency reviews?: All 5 agencies on this page were editorially reviewed between Aug 4, 2026 and Aug 6, 2026 — the most recent being Contra Agency. See our review methodology for how scores are calculated.
What's the smallest team size available for public sector in London?: Fast Data Science, 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 London

Public-sector AI in London is bought through frameworks, and the roster reflects who has been through one. Faculty designed the NHS AI Lab's model-validation process, which is the part of the job that decides whether a clinical model is allowed to matter at all. Mercury Labs is an approved supplier on the Crown Commercial Service AI framework and names four government departments—the Department for Education, IfATE and Skills England among them—plus multi-year delivery on Innovate UK's Workforce Foresighting Hub. Fast Data Science has worked for the Information Commissioner's Office and the World Health Organization. Nebuli built for the UK Government's Office for AI and deployed a private generative workspace at the UK Sports Institute. Contra Agency covers communications.

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—and ask what the department was able to operate without the supplier afterward.