8 UK Consultancies Powering the Agentic AI Revolution in 2025

The UK isn’t just keeping pace with global AI transformation - it’s quietly leading it.
Behind the scenes, a handful of consultancies are turning buzzwords like “automation” and “intelligence” into operational reality.

These aren’t just AI pilots or fancy chatbots. This is Agentic AI - autonomous systems that plan, act, and learn inside businesses. The kind that run entire workflows while you sleep.

Who’s really pushing the boundaries? 

Here’s a look at ten firms defining how AI enterprise consultancy is reshaping industries from healthcare to finance - and what makes them stand out.

1. Elsewhen (London)

If you’ve heard the term Agentic AI lately, there’s a good chance Elsewhen had something to do with it. The London-based consultancy has become a benchmark for enterprise-grade agentic systems - intelligent frameworks that don’t just suggest what to do, but actually do it.

Their projects range from automating 24/7 business operations to designing generative interfaces that adjust content and layout in real time. It’s AI that behaves more like a colleague than a tool.

Why it matters? While many firms talk about AI “experiments,” Elsewhen delivers full-scale, production-ready systems that clients actually depend on. Their recent Planet Agent report is already shaping how enterprises view intelligent automation.

2. Aiimi (Milton Keynes)

Aiimi sits at the foundation of every serious AI project - the data layer. Their expertise lies in data engineering, governance, and building information systems that make AI possible in the first place.

Regulated industries and government departments turn to Aiimi because they know one thing: bad data kills good AI. By cleaning, structuring, and connecting data before automation starts, Aiimi provides organisations with a foundation for long-term AI success.

3. Faculty (London)

When the UK government or NHS needs AI at scale, they call Faculty. Known for mission-critical deployments, Faculty has built decision systems for national security, healthcare demand forecasting, and logistics.

Their success stems from a full-lifecycle approach: design, deploy, and train teams to sustain it. Faculty isn’t just about coding models - it’s about helping institutions think with data.

4. QuantumBlack, AI by McKinsey (London origin)

Born from Formula 1 analytics, QuantumBlack applies precision engineering to enterprise AI. Now part of McKinsey, it blends strategy with execution - embedding predictive models into supply chains, operations, and customer systems worldwide.

Their focus is clear: measurable value. Every model they build comes with a metric that proves its worth.

5. Mind Foundry (Oxford)

From the labs of Oxford University, Mind Foundry develops AI that earns trust - not just efficiency. Their products operate in high-stakes environments like defence, insurance, and infrastructure where accountability counts most.

Through the combination of agentic AI with human oversight, they are able to keep automation transparent, auditable and secure. In fast moving sectors, Mind Foundry keeps ethics and excellence at the highest level.

6. ICS.AI (Basingstoke)

Public-sector AI gets a bad rap for being slow - but ICS.AI proves otherwise. They’re transforming local councils, schools, and healthcare systems with generative assistants that answer citizen queries, process data, and even predict service demand.

For many, ICS.AI is the first taste of what agentic systems can do for real people, not just enterprises.

7. Cambridge Consultants (Cambridge)

While others talk software, Cambridge Consultants lives where hardware meets intelligence. They embed AI in physical products - from medical devices that make autonomous adjustments to industrial sensors that self-correct.

They don’t just prototype ideas; they turn them into market-ready systems that run on the edge.

8. Newton Europe (Oxford)

Newton Europe is where operations meet analytics. After acquiring Xantura in 2024, they’ve doubled down on predictive systems that help social care and logistics teams anticipate problems before they happen.

They’re proof that data science doesn’t need to stay in the lab - it belongs in the field.

From Agentic to Enterprise Intelligence

Agentic AI isn’t a glimpse of the future - it’s today’s competitive edge. These consultancies are showing what happens when AI stops being a tool and starts becoming a co-worker.

The next generation of enterprise intelligence isn’t about replacing people - it’s about giving them more powerful, self-thinking systems to work with.

The UK is leading that charge. And it’s only just begun.