Market snapshot
Pricing for AI Consulting agencies in London
Of the 25 AI consulting agencies on this page, 16 carry complete hourly rate ranges. Across them, rates span €20–€260, with a median around €65/hr. Across the register, rated agencies in London bill €65–120/hr (20 rated).
“Of the 25 AI consulting agencies in London on AIAgencies.eu, 16 carry an hourly rate range, from the agency itself or a third-party directory; the median of those 16 is about €65/hr (November 2026).” https:/
/ www. aiagencies. eu/ services/ ai- consulting/ london# market- snapshot
European AI agency hourly rates by country and region →
| Tier | Hourly rate | Agencies |
|---|---|---|
| Budget | Under €100/hr | 9—Imobisoft, N-iX, Marionete, Softblues, Hexploits, Old St Labs, Vention, Opinov8, +1 more |
| Mid-tier | €100–149/hr | 4—Kortical, iCentric Agency, Transparity, Mercury Labs |
| Premium | €150–199/hr | 2—Brainpool, Kelriva AI |
| Top tier | €200+/hr | 1—Fast Data Science |
Team capacity in London
Of the 25 agencies on this page, 23 disclose team size. The distribution breaks down as:
- Boutique (<10)5 agencies—Fast Data Science, Kortical, Nebuli, Hexploits, Kelriva AI
- Small/mid (10-49)6 agencies—Brainpool, Imobisoft, iCentric Agency, Marionete, Softblues, Mercury Labs
- Mid studio (50-99)7 agencies—Datatonic, Satalia, Datasparq, Elsewhen, Neurons Lab, Ekimetrics, Old St Labs
- Large studio (100+)5 agencies—N-iX, Transparity, Vention, Opinov8, Pixelette Technologies
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.
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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.
N-iX
#11London, United Kingdom
Client evidence: 4 documented clients overall
Best for: Enterprises with large in-house engineering teams that want AI adoption or ML work measured against an agreed baseline.
iCentric Agency
#12London, 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.
Marionete
#13London, United Kingdom
Client evidence: 6 documented clients overall
Best for: Banks and insurers that need the data and MLOps platform under their AI built to regulated-industry standards.
Transparity
#14London, 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.
Ekimetrics
#15London, 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.
Softblues
#16London, United Kingdom
Client evidence: 5 documented clients overall
Best for: Early-stage B2B product teams and smaller UK or Irish firms scoping a first voice agent, agent pipeline or Claude rollout.
Nebuli
#17London, 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
#18London, 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
#19London, 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.
Old St Labs
#20London, United Kingdom
Client evidence: 29 documented clients overall
Best for: Founders and small UK firms building a first web or mobile product with an LLM feature inside it.
Vention
#21London, United Kingdom
Client evidence: 10 documented clients overall
Best for: Venture-backed product companies adding engineers to an existing team, with AI as one feature inside the software work.
Kelriva AI
Verified: the agency confirmed ownership from a company email address, and the listing passed editorial review#22London, United Kingdom
Kelriva AI is a London AI consultancy that builds document processing systems and AI agents for UK businesses, with a focus on regulated sectors such as financial services. We automate the extraction, checking and routing of data from contracts, KYC files, compliance filings and invoices, and build LangGraph agents that take over multi-step approval and review workflows. Every engagement is scoped in writing and delivered at a fixed fee. We work vendor-neutral and build on the systems a business already uses.
Mercury Labs
#23London, 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.
Opinov8
#24London, United Kingdom
Client evidence: 6 documented clients overall
Best for: Teams adding cloud, data or modernization engineers who want AI coding tools applied to that delivery.
Pixelette Technologies
#25London, United Kingdom
Client evidence: 13 documented clients overall
Best for: Founders commissioning a first blockchain or AI product build on a startup budget who will check references before signing.
Industry experience among London AI Consulting agencies
Of the 25 agencies on this page, 25 publish their industry focus. Among those:
| Industry | Agencies with stated experience |
|---|---|
| FinTech | 17 of 25 — Datatonic, Satalia, Faculty, Brainpool, Kortical, Datasparq, Elsewhen, Neurons Lab, N-iX, Marionete, Transparity, Ekimetrics, Vention, Kelriva AI, Mercury Labs, Opinov8, Pixelette Technologies |
| SaaS & B2B | 14 of 25 — Fast Data Science, Elsewhen, N-iX, iCentric Agency, Marionete, Transparity, Softblues, Nebuli, Hexploits, Old St Labs, Vention, Kelriva AI, Opinov8, Pixelette Technologies |
| E-commerce | 12 of 25 — Datatonic, Satalia, Brainpool, Imobisoft, Datasparq, iCentric Agency, Ekimetrics, Softblues, Old St Labs, Vention, Opinov8, Pixelette Technologies |
| Healthcare | 11 of 25 — Datatonic, Faculty, Fast Data Science, Imobisoft, Kortical, Transparity, Softblues, Nebuli, The AI Consultancy, Old St Labs, Mercury Labs |
| Manufacturing | 9 of 25 — Satalia, Brainpool, Imobisoft, Kortical, Datasparq, N-iX, Marionete, Ekimetrics, Opinov8 |
| Public Sector | 5 of 25 — Faculty, Fast Data Science, Transparity, Nebuli, Mercury Labs |
| Legal | 2 of 25 — Faculty, Softblues |
Services frequently bundled with AI Consulting in London
Beyond AI Consulting itself, agencies on this page most commonly offer:
- AI Development24 of 25 — Datatonic, Satalia, Faculty, Fast Data Science, +20 more
- Generative AI14 of 25 — Datatonic, Faculty, Imobisoft, Kortical, +10 more
- AI Agents13 of 25 — Satalia, Faculty, Datasparq, Neurons Lab, +9 more
- AI Automation7 of 25 — Faculty, Brainpool, iCentric Agency, Transparity, +3 more
- AI Marketing1 of 25 — Ekimetrics
Frequently asked questions — AI Consulting in London
- How much do AI Consulting agencies in London charge?
- Of the 25 AI Consulting agencies on this page, 16 publish complete hourly rate ranges. They range from €20 to €260, with a median around €65. Across the register, rated agencies in London bill €65–120/hr (20 rated). 9 agencies operate under €100/hr: Imobisoft, N-iX, Marionete, Softblues.
- 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 — 17 agencies on this page list FinTech experience. Top examples include Datatonic, Satalia, Faculty.
- How recent are these AI Consulting agency reviews?
- 24 of the 25 agencies on this page have been editorially reviewed between Aug 4, 2026 and Sep 23, 2026 — the most recent being Pixelette Technologies. 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
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