Market snapshot
Pricing for AI Consulting agencies in London
Of the 24 ai consulting agencies on this page, 15 publish complete hourly rate ranges. Across them, rates span €20–€260, with a median around €65/hr. Across the register, rated agencies in London bill €65–110/hr (19 rated).
European AI agency hourly rates by country and region →
| Tier | Hourly rate | Agencies |
|---|---|---|
| Budget | €50–99/hr | 13 — Imobisoft, Kortical, iCentric Agency, Hexploits, Marionete, Mercury Labs, N-iX, Old St Labs, +5 more |
| Mid-tier | €100–149/hr | 1 — Brainpool |
| Premium | €150–199/hr | 1 — Fast Data Science |
Team capacity in London
Of the 24 agencies on this page, 22 disclose team size. The distribution breaks down as:
- Boutique (<10)4 agencies — Fast Data Science, Kortical, Nebuli, Hexploits
- Small/mid (10-49)6 agencies — Brainpool, Imobisoft, iCentric Agency, Marionete, Mercury Labs, Softblues
- Mid studio (50-99)7 agencies — Datatonic, Satalia, Datasparq, Elsewhen, Neurons Lab, Ekimetrics, Old St Labs
- Large studio (100+)5 agencies — N-iX, Opinov8, Pixelette Technologies, Transparity, Vention
Ranked agencies
Rankings updated · Newest review
Datatonic
#1London, United Kingdom
Client evidence: 8 documented clients overall
Best for: Enterprises standardizing ML delivery on Google Cloud or AWS, especially where a regulator has to be satisfied.
Satalia
#2London, United Kingdom
Client evidence: 6 documented clients overall
Best for: Enterprises with a scheduling, routing or workforce-allocation problem big enough to justify operations-research specialists.
Not sure which of these fits?
Describe the project and the curator sends three verified fits with the evidence behind each pick. Commission-free.
Faculty
#3London, 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
#4London, 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.
Brainpool
#5London, United Kingdom
Client evidence: 3 documented clients overall
Best for: Operators with a measurable production bottleneck AI can remove—from timber design queues to e-commerce pipelines.
Imobisoft
#6London, United Kingdom
Client evidence: 4 documented clients overall
Best for: Health and industrial companies taking a risk-scoring or compliance-reporting workflow from paper to a regulated digital platform.
Kortical
#7London, United Kingdom
Client evidence: 8 documented clients overall
Best for: Enterprises with a defined prediction or document-automation problem that want a model in production in weeks.
Datasparq
#8London, United Kingdom
Client evidence: 6 documented clients overall
Best for: Operational businesses with data already flowing that want a system built on it rather than a strategy deck.
Elsewhen
#9London, United Kingdom
Elsewhen is a London product consultancy working with technology and financial-services companies, pairing product design and engineering with AI and cloud delivery.
Neurons Lab
#10London, United Kingdom
Client evidence: 2 documented clients overall
Best for: Financial institutions that need agentic AI shipped inside regulatory constraints—training through production.
iCentric Agency
#11London, United Kingdom
iCentric Agency is a London and Bedfordshire digital consultancy building custom platforms for enterprise clients, with machine-learning pricing, document processing and agentic tooling among its published specialisms.
Ekimetrics
#12London, United Kingdom
Client evidence: 4 documented clients overall
Best for: Consumer and industrial brands that need marketing spend measured and modeled rather than an AI system built.
Nebuli
#13London, 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.
The AI Consultancy
#14London, United Kingdom
Client evidence: 2 documented clients overall
Best for: UK small businesses that want a working system and a named person answering the phone.
Hexploits
#15London, United Kingdom
Hexploits is a London software consultancy that builds AI platforms and cloud infrastructure for startups, taking product engineering from architecture through to production hosting.
Marionete
#16London, United Kingdom
Marionete is a London data and AI engineering consultancy building enterprise data platforms, self-service data science environments and machine-learning systems for banks, brokers and industrial groups, with a nearshore delivery office in Lisbon.
Mercury Labs
#17London, 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.
N-iX
#18London, United Kingdom
Engineering services group with a dedicated data, AI and machine-learning practice covering generative AI consulting and implementation, AI agents and MLOps. London office; registered in Malta with delivery centres across Ukraine, Poland, Bulgaria, Romania, Sweden, India and Colombia.
Old St Labs
#19London, United Kingdom
Old St Labs is a London product studio founded in 2020, building web and mobile applications with an AI software development line. It works largely with early-stage and scaling companies.
Opinov8
#20London, United Kingdom
Opinov8 is a London-headquartered engineering firm founded in 2017, running an AI consulting and data practice and its own agent deployment platform alongside cloud and modernization services.
Pixelette Technologies
#21London, United Kingdom
Pixelette Technologies is a London technology firm founded in 2018, building computer-vision and data-automation systems alongside its wider engineering practice.
Softblues
#22London, United Kingdom
Softblues is a London AI implementation firm founded in 2014, building multi-agent pipelines, retrieval-augmented support agents, and voice agents for mid-market companies. It is a registered Anthropic Partner Network member.
Transparity
#23London, United Kingdom
Transparity is a UK Microsoft partner running an AI consulting practice across agentic AI, Copilot Studio, and Azure AI Foundry. It holds the AI Platform on Microsoft Azure Specialisation and Microsoft Frontier Partner status.
Vention
#24London, United Kingdom
Vention is a software engineering firm with a London office, running an AI Center of Excellence alongside its platform practice. Its AI work spans computer vision, retrieval systems, and agent development.
Industry experience among London AI Consulting agencies
Of the 24 agencies on this page, 24 publish their industry focus. Among those:
| Industry | Agencies with stated experience |
|---|---|
| FinTech | 16 of 24 — Datatonic, Satalia, Faculty, Brainpool, Kortical, Datasparq, Elsewhen, Neurons Lab, Ekimetrics, Marionete, Mercury Labs, N-iX, Opinov8, Pixelette Technologies, Transparity, Vention |
| SaaS & B2B | 13 of 24 — Fast Data Science, Elsewhen, iCentric Agency, Nebuli, Hexploits, Marionete, N-iX, Old St Labs, Opinov8, Pixelette Technologies, Softblues, Transparity, Vention |
| E-commerce | 12 of 24 — Datatonic, Satalia, Brainpool, Imobisoft, Datasparq, iCentric Agency, Ekimetrics, Old St Labs, Opinov8, Pixelette Technologies, Softblues, Vention |
| Healthcare | 11 of 24 — Datatonic, Faculty, Fast Data Science, Imobisoft, Kortical, Nebuli, The AI Consultancy, Mercury Labs, Old St Labs, Softblues, Transparity |
| Manufacturing | 9 of 24 — Satalia, Brainpool, Imobisoft, Kortical, Datasparq, Ekimetrics, Marionete, N-iX, Opinov8 |
| Public Sector | 5 of 24 — Faculty, Fast Data Science, Nebuli, Mercury Labs, Transparity |
| Legal | 2 of 24 — Faculty, Softblues |
Services frequently bundled with AI Consulting in London
Beyond AI Consulting itself, agencies on this page most commonly offer:
- AI Development23 of 24 — Datatonic, Satalia, Faculty, Fast Data Science, +19 more
- Generative AI14 of 24 — Datatonic, Faculty, Imobisoft, Kortical, +10 more
- AI Agents12 of 24 — Satalia, Faculty, Datasparq, Neurons Lab, +8 more
- AI Automation6 of 24 — Faculty, Brainpool, iCentric Agency, Opinov8, +2 more
- AI Marketing1 of 24 — Ekimetrics
Frequently asked questions — AI Consulting in London
- 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.
Local Insight
AI Consulting Agencies in London
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.
Intro by Gabor Kiss, curator · How we rank
AI Consulting Agencies in Other Markets
Find AI Consulting specialists in other European hubs.
Other Services in London
Explore agencies with different service specialties in London.
Industry Specialists in London
Looking for sector expertise? Browse agencies in London by industry.
By client type
Can't decide?
Tell us about your project and we'll match you with 3 vetted AI Consulting agencies in London within 3 business days.
Get Matched Free →Or explore related options: