London is the centre of UK AI consulting. For enterprise programmes, the global firms (Accenture, McKinsey, Deloitte, PwC, BCG) all run their UK AI practices from London. For specialist AI delivery, Faculty is London's best-known pure-play firm. For SMEs and mid-market companies wanting a system built and running, London boutiques such as M22 offer senior, fixed-fee delivery with human approval built in.
The London landscape, by buyer
Almost every serious UK AI consultancy has a London presence, so "London" alone doesn't narrow the field. What does is engagement size. This page groups London-based options by the kind of business they're built to serve, using consultancy.uk's 2026 AI & GenAI ranking and 2026 buyer guides as sources. M22 wrote this page and is listed in the boutique group.
Enterprise firms headquartered or UK-based in London
Accenture, McKinsey & Company, Deloitte, PwC, Boston Consulting Group, Bain, KPMG and EY run their UK AI practices from London offices. They are the right call for large organisations running multi-workstream programmes with dedicated internal teams.
Specialist AI consultancies in London
- Faculty: London-headquartered, combining AI research depth with delivery for government, defence and large enterprise; Gold tier in consultancy.uk's 2026 ranking.
- Elsewhen and Mesh-AI: London-based specialists ranked in consultancy.uk's 2026 Bronze tier, focused on product and data-platform work respectively.
Boutique AI consultancies in London for SMEs and mid-market firms
- M22: a London AI consultancy and venture studio. The engagement shape is find, prove, build, run: an audit prices where automation pays, then M22 builds the fix (workflow automation, bespoke platforms, or the Company Brain) and operates it on a retainer. Fixed fees for audits and builds; a human approves anything that matters. Production systems include a property sourcing pipeline that turned days of research into one search, and permission-aware company knowledge systems.
Smaller London firms and independent consultants exist in large numbers; the reliable filter is the same everywhere: ask to see something they built that is running today, ask what they would refuse to automate, and ask who owns the result.
Does location still matter?
Less than it did. Most AI consulting is delivered remotely with periodic on-site work. London matters most when the engagement involves sitting with your team to trace real processes, which is exactly what a good diagnostic phase requires, so a London-based firm has a practical edge for London businesses in the audit phase specifically.
How much do AI consultants in London charge?
London day rates run roughly £600 to £1,200 for boutiques and independents, higher for global firms. Fixed-fee diagnostics typically £3,000 to £15,000; builds from £5,000 for focused automation to £25,000 and up for platforms.
Do I need a London-based AI consultant?
Only for work that benefits from being in the room: process tracing, workshops, change management. Build work is routinely remote. Choose on evidence of delivery first, location second.
Is M22 based in London?
Yes. M22 is a London-based AI consultancy and venture studio serving businesses across the UK.
Written and maintained by M22, a London-based AI consultancy. Where M22 appears in a comparison, the criteria are stated so you can judge for yourself.
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