# Best AI Consulting Agencies in London

> 24 agencies. Top-ranked: Datatonic, Satalia, Faculty.

Canonical page: https://www.aiagencies.eu/services/ai-consulting/london
Generated: 2026-09-17 · Curated by Gabor Kiss · No paid placements — inclusion, score, and rank are never sold.

## Ranked roster
1. **Datatonic** — London, United Kingdom · rate not published · team 50-249 · founded 2013 · services: AI Consulting, AI Development, Generative AI · 8 documented client engagements with source URLs · reviewed 2026-09-07 · https://www.aiagencies.eu/agency/datatonic
2. **Satalia** — London, United Kingdom · rate not published · team 50-249 · founded 2008 · services: AI Consulting, AI Development, AI Agents · 6 documented client engagements with source URLs · reviewed 2026-09-07 · https://www.aiagencies.eu/agency/satalia
3. **Faculty** — London, United Kingdom · rate not published · founded 2014 · services: AI Consulting, AI Development, AI Automation, AI Agents · 3 documented client engagements with source URLs · reviewed 2026-08-04 · https://www.aiagencies.eu/agency/faculty-ai
4. **Fast Data Science** — London, United Kingdom · €175-260/hr (directory-listed) · team 2-9 · founded 2018 · services: AI Development, AI Consulting · 8 documented client engagements with source URLs · reviewed 2026-09-07 · https://www.aiagencies.eu/agency/fast-data-science
5. **Brainpool** — London, United Kingdom · €130-175/hr (directory-listed) · team 10-49 · founded 2017 · services: AI Consulting, AI Automation, AI Development · 3 documented client engagements with source URLs · reviewed 2026-08-04 · https://www.aiagencies.eu/agency/brainpool
6. **Imobisoft** — London, United Kingdom · €45-85/hr (directory-listed) · team 10-49 · founded 2009 · services: AI Consulting, AI Development, Generative AI · 4 documented client engagements with source URLs · reviewed 2026-09-04 · https://www.aiagencies.eu/agency/imobisoft
7. **Kortical** — London, United Kingdom · €85-130/hr (directory-listed) · team 2-9 · founded 2016 · services: AI Consulting, AI Development, Generative AI · 8 documented client engagements with source URLs · reviewed 2026-09-07 · https://www.aiagencies.eu/agency/kortical
8. **Datasparq** — London, United Kingdom · rate not published · team 50-249 · founded 2018 · services: AI Consulting, AI Development, AI Agents · 6 documented client engagements with source URLs · reviewed 2026-09-07 · https://www.aiagencies.eu/agency/datasparq
9. **Elsewhen** — London, United Kingdom · rate not published · team 50-249 · founded 2011 · services: AI Development, AI Consulting, Generative AI · 2 documented client engagements with source URLs · reviewed 2026-08-06 · https://www.aiagencies.eu/agency/elsewhen
10. **Neurons Lab** — London, United Kingdom · rate not published · team 50-249 · founded 2019 · services: AI Consulting, AI Agents, AI Development, Generative AI · 2 documented client engagements with source URLs · reviewed 2026-08-04 · https://www.aiagencies.eu/agency/neurons-lab
11. **iCentric Agency** — London, United Kingdom · €85-130/hr (directory-listed) · team 10-49 · founded 2002 · services: AI Development, AI Consulting, AI Automation, Generative AI · 2 documented client engagements with source URLs · reviewed 2026-08-06 · https://www.aiagencies.eu/agency/icentric-agency
12. **Ekimetrics** — London, United Kingdom · rate not published · team 50-249 · founded 2006 · services: AI Consulting, AI Marketing, Generative AI · 8 documented client engagements with source URLs · reviewed 2026-09-07 · https://www.aiagencies.eu/agency/ekimetrics
13. **Nebuli** — London, United Kingdom · rate not published · team 2-9 · founded 2019 · services: Generative AI, AI Development, AI Consulting · 5 documented client engagements with source URLs · reviewed 2026-09-07 · https://www.aiagencies.eu/agency/nebuli
14. **The AI Consultancy** — London, United Kingdom · rate not published · services: AI Consulting, AI Development, Generative AI, AI Agents · 2 documented client engagements with source URLs · reviewed 2026-08-04 · https://www.aiagencies.eu/agency/the-ai-consultancy
15. **Hexploits** — London, United Kingdom · €45-85/hr (directory-listed) · team 2-9 · founded 2018 · services: AI Development, AI Agents, AI Consulting · 3 documented client engagements with source URLs · reviewed 2026-08-06 · https://www.aiagencies.eu/agency/hexploits
16. **Marionete** — London, United Kingdom · €45-85/hr (directory-listed) · team 10-49 · founded 2016 · services: AI Consulting, AI Development · https://www.aiagencies.eu/agency/marionete
17. **Mercury Labs** — London, United Kingdom · €85-130/hr (directory-listed) · team 10-49 · founded 2018 · services: AI Consulting, AI Development, Generative AI · https://www.aiagencies.eu/agency/mercury-labs
18. **N-iX** — London, United Kingdom · €45-85/hr (directory-listed) · team 1000+ · founded 2002 · services: AI Consulting, AI Development, Generative AI, AI Agents · https://www.aiagencies.eu/agency/n-ix
19. **Old St Labs** — London, United Kingdom · €45-85/hr (directory-listed) · team 50-249 · founded 2020 · services: AI Development, AI Consulting · https://www.aiagencies.eu/agency/old-st-labs
20. **Opinov8** — London, United Kingdom · €45-85/hr (directory-listed) · team 250+ · founded 2017 · services: AI Consulting, AI Development, AI Agents, Generative AI · https://www.aiagencies.eu/agency/opinov8
21. **Pixelette Technologies** — London, United Kingdom · €20-40/hr (directory-listed) · team 250+ · founded 2018 · services: AI Development, AI Agents, AI Consulting, Generative AI · https://www.aiagencies.eu/agency/pixelette-technologies
22. **Softblues** — London, United Kingdom · €45-85/hr (directory-listed) · team 10-49 · founded 2014 · services: AI Automation, AI Agents, AI Consulting, AI Development · https://www.aiagencies.eu/agency/softblues
23. **Transparity** — London, United Kingdom · €85-130/hr (directory-listed) · team 250+ · founded 2015 · services: AI Consulting, AI Development, AI Automation, AI Agents · https://www.aiagencies.eu/agency/transparity
24. **Vention** — London, United Kingdom · €45-85/hr (directory-listed) · team 1000+ · founded 2002 · services: AI Development, AI Consulting, AI Agents · https://www.aiagencies.eu/agency/vention

## Compared head-to-head
Curated comparison pages (published rates, team size, coverage, projected 12-week engagement cost, and the curator's verdict on both sides — pairings are never sold):
- Datatonic vs Faculty: https://www.aiagencies.eu/compare/datatonic-vs-faculty-ai
- Datatonic vs Satalia: https://www.aiagencies.eu/compare/datatonic-vs-satalia
- Faculty vs Satalia: https://www.aiagencies.eu/compare/faculty-ai-vs-satalia

## About this market
London holds the deepest AI consulting bench in Europe, and this page is among the widest rosters in the register. The established consultancies anchor it: Faculty has worked in applied AI since 2014 and designed the NHS AI Lab, Datatonic is a four-time Google Cloud Partner of the Year publishing builds for Vodafone, AstraZeneca and a solar-mapping model for the UNDP, Satalia has run optimization for Tesco, Coca-Cola and DFS since 2008 and now sits inside WPP, and Ekimetrics brings marketing-mix modeling for Nestlé, Renault and Estée Lauder from a London office at Elm Yard. Brainpool's published work includes market-abuse surveillance for HSBC and Neurons Lab delivers in regulated finance. The specialists narrow from there: Kortical publishes Deloitte tax automation and NHS Blood and Transplant demand forecasting, Datasparq's routing work with GXO and Iceland Foods reports over 900,000 kilometers a year removed, Mercury Labs is a Crown Commercial Service approved supplier working across four government departments, Fast Data Science does clinical and pharma language work for the WHO and Wellcome Trust, and Nebuli builds for the Office for AI and the UK Sports Institute. Elsewhen, iCentric, The AI Consultancy and Hexploits cover product consultancy, applied pricing, the SME end and the platform layer, and Marionete advises on the data architecture underneath, with the Bank of England, HSBC, Saxo and Siemens named.

Rates here span the widest range on the site—roughly €45 to €260 an hour among the firms that publish one—so anchor early and expect specialists to sit at the top rather than the enterprise names. The useful screen is deployment evidence, and it comes in two forms: some name the client, others describe the system under NDA. Both are checkable if you ask what happened after the pilot; a capability deck that does neither is the thing to walk away from.

## Questions buyers ask

### How much do AI Consulting agencies in London charge?
Of the 24 AI Consulting agencies on this page, 15 publish complete hourly rate ranges. They range from €20 to €260, with a median around €65. Across the register, rated agencies in London bill €65–110/hr (19 rated). 13 agencies operate under €100/hr: Imobisoft, Kortical, iCentric Agency, Hexploits.

### Which are the top-rated AI Consulting agencies in London?
Based on our editorial scoring (portfolio quality, business credibility, and case study depth), the top-ranked AI Consulting agencies in London are Datatonic, Satalia, Faculty. See the full review on each agency's profile.

### Are there London AI Consulting agencies specializing in FinTech?
Yes — 16 agencies on this page list FinTech experience. Top examples include Datatonic, Satalia, Faculty.

### How recent are these AI Consulting agency reviews?
15 of the 24 agencies on this page have been editorially reviewed between Aug 4, 2026 and Sep 7, 2026 — the most recent being Nebuli. See our review methodology for how scores are calculated.

### What's the smallest team size available for ai consulting in London?
Fast Data Science, Kortical, Nebuli are the boutique studios (under 10 people) on this page, ideal for projects needing senior-level attention without large-team overhead.

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Source: AIAgencies.eu — the curated register of European AI agencies. Rate provenance: "agency-confirmed" = disclosed via submission or claimed profile; "directory-listed" = Clutch or two agreeing B2B directories (lone unverified sources are never written). Full method: https://www.aiagencies.eu/methodology · Rate index: https://www.aiagencies.eu/rates