The people
Meet the team
We are a small family firm. Three qualified accountants doing the day to day work, and a wider family who have built businesses across UK law, costs, property and consultancy over the last twenty five years or so. Here is who we are, plainly.
How we are structured
Your finance function in four parts, all under one roof. Statutory, the year end and filings, prepared and signed by our qualified accountants. Control, the bookkeeping, payroll and payments that keep the numbers true. Enablement, the management accounts, annual budget, rolling twelve month forecast and business partnering. And Tax advisory, business and personal tax planning, led by our qualified tax advisers.
One firm, one contract. Take the complete function, or take only the Enablement layer and keep your existing accountant on the rest. Both work.
Andrew Isaacs
Managing Partner, ACMA CGMA, CIMA Member in Practice
I joined BT Group in 2009 on the Business Management Graduate Scheme after a 2:1 in Accounting and Finance from the University of Warwick. I spent eight years at BT, latterly running Contract Management and Sales for Existing Partners at BT Wifi as Head of UK Site Partnerships.
In 2017 I moved to Openreach for financial management roles across the government funded programmes, including BDUK. I built the model for forecasting contract build costs that went on to be used nationally, which changed how bids were priced across the programme, and I negotiated the contract closures with BDUK directly.
From 2021 I built the major scale up programme delivering full fibre to Multi Dwelling Units, covering two million premises. I built the £0.7 billion budget from the bottom up and took it through to sign off at CFO and CEO level. The work changed the delivery methodology, and it included recruiting an additional workforce of 1,200 people.
In 2024 I left corporate and joined Kiteleys Solicitors as Head of Finance, in a fee earning capacity. The move was deliberate. In 2026 I founded AI Finance Partners to close the gulf between corporate grade finance and what a small firm actually has.
Reuben Glynn
Partner, FCCA
Reuben is my uncle by marriage and a partner in AI Finance Partners. He owns a meaningful share of the firm and we built the proposition together. He is a Fellow of the ACCA, originally trained at KPMG, and he has spent the last twenty five years running professional services firms rather than working inside one.
He and my aunt Teresa built two costs businesses in Doncaster, A & M Bacon and Partners In Costs, and sold both to Frenkel Topping Group in 2021. Today Reuben and Teresa run Glynns Properties, and Reuben holds investments in a small portfolio of operating firms.
Reuben is the senior chartered partner across our practice, and the Fellow who signs off when an engagement needs that level of credential.
George Isaacs
Tax and Statutory Lead, ACCA, ATT, working towards CIOT
George is my cousin. He leads the tax and statutory work at AI Finance Partners, is ACCA and ATT qualified, and is working towards his CIOT chartered tax adviser.
When the year end comes around, George prepares and signs the statutory accounts and the corporation tax return. He also leads our tax advisory work, the business and personal tax planning that helps clients keep more of what they make.
Why a family firm matters, briefly
Family firms in professional services work because the people in them are not going anywhere. We are not optimising for a quarterly bonus. We are accountable to each other across kitchen tables, not just engagement letters, which tends to focus the mind on doing the work properly.
It also means there is real cover. Three qualified accountants and a wider network mean the firm does not stop because someone is on holiday. And the conversation you have with us in week one is the same conversation in year five.
The wider family
A few people who are part of the story without being inside the day to day work. We mention them because they shape how we think.
Teresa Glynn, my aunt and Reuben's wife, founded Partners In Costs in 1996. Today she is the named Compliance Officer for Legal Practice at Andrew Isaacs Law, where she and Reuben run the firm together.
Rob Fletcher Isaacs, my brother, co founded &us, an innovation and transformation practice in London working with HP, Lloyds, Novartis and the Post Office. Our London registered office sits inside their building.
Anna Fletcher Isaacs, Rob's wife, is a Chief of Staff and Operations Leader and an Agile coach. She runs her own company, Batata Ltd, and we bring her in on engagements needing operations or transformation help alongside the finance work.
AI Finance Partners is independent of the other family firms named above. Each operates under its own ownership and its own regulator.
Common questions
Who runs AI Finance Partners? Andrew Isaacs is the managing partner, a CIMA Member in Practice and Practising Certificate Holder. Reuben Glynn FCCA is the equity partner and senior chartered partner. George Isaacs, ACCA and ATT qualified, leads tax and statutory work. Three qualified accountants.
How is the firm structured? Four parts under one roof. Statutory, the year end and filings. Control, the bookkeeping, payroll and payments. Enablement, the management accounts, budget, rolling forecast and business partnering. And Tax advisory. One firm, one contract. Take the complete function or take Enablement alone and keep your existing accountant on the rest.