AI transformation
for organisations that
can't afford to get it wrong.

Senior-led advisory for insurance, finance, and public sector.

Scroll
What We Do

Expert support for the work that actually changes how your organisation runs.

01

AI Transformation

Find where AI moves the needle. Build it. We've automated 50+ processes and absorbed 100% workload increases without adding headcount.

02

Operations & Cost Reduction

Cut costs without cutting capability. Vendor renegotiation, financial controls, back-office automation. The unsexy work that shows up on your P&L.

03

Organisation Design

AI changes what your org could look like. We take a human approach to the sensitive task of redesigning roles, restructuring teams, and build the necessary compensation frameworks.

How We Work
Three clients at a time.
Every engagement
led by a principal.
Senior-Led
The person in the room is the person doing the work. No juniors learning on your budget.
Selective
We choose engagements where we can make a material difference. If it's not the right fit, we'll say so.
Hands-On
We implement. We sit with your teams. We stay until the thing works.
Photo of Leon

Leon
Johnson

Founder

COO-level operator and transformation expert across fintech, insurance, and government. 14+ years leading operational change at organisations where getting it wrong isn't an option. Previously COO at a $100M+ venture-backed technology company, where the work was fundraising, treasury management, and building the operational infrastructure from the ground up.

  • Automated 50+ processes across reporting, data entry, and financial operations
  • Absorbed 100% workload increase with zero headcount growth through AI automation
  • Led a $17M Series A and managed a $38M treasury
  • Oversaw $9M annual operating budget with full financial accountability
  • Recruited and onboarded 40+ staff; designed all compensation structures
  • Led crisis response during a major banking crisis: investor comms, contingency planning, fund recovery

Previously worked with

Chubb · AXA XL · AXIS Capital · RBS · Metropolitan Police · Ministry of Justice · Dept. of Energy & Climate Change · Block, Inc.

Paddington Greene Advisors is registered with the Qatar Financial Centre, based in Doha. We work with clients from around the world including the UK, US, Europe, and the Gulf.

We've got the tools. We just haven't changed how we work.

You already know AI matters. You've seen the demos, read the think-pieces, maybe even run a few pilots. And somewhere in the back of your mind is that feeling; we've got the tools, we just haven't changed how we work.

Most organisations are at the chatbot stage. Not because their people aren't smart, but because nobody has connected the technology to the actual shape of the business. The strategy and the implementation are in different rooms, sometimes different buildings.

I spent fifteen years inside insurance, finance, and government before becoming COO at a fintech company where I had to make AI work under real pressure. Not in a workshop, not in a pilot, in production, with a board watching.

I know what the gap looks like. And I know how to close it.

If you're ready to move from tinkering to transformation, let's talk.

Leon Johnson Founder, Paddington Greene Advisors
Contact
If you have a specific challenge in mind, get in touch.

We respond to every enquiry. No forms, no chatbots. Just a conversation.

leon@paddingtongreene.com