The Team


Simon Thomas

Managing Director

Simon founded the accounting practice in 2010. Building Ridgefield Consulting through a combination of strategic acquisitions and strong organic growth, the firm has become a part of Oxford’s central network of core businesses, with affiliations to both universities, the wider Oxfordshire community and established links and contacts in London.

Prior to this success, Simon worked as an auditor in London for Ernst & Young LLP (“EY”) and Crowe Clark Whitehill LLP.

  • Business Strategy
  • Business Growth
  • Start-Ups
  • Tax Planning
  • Audit
  • Pensions

Grace Tan Pei Yee

Practice Manager

Grace is an ACCA finalist and heads up the day to day operational management of the practice. She ensures the whole team’s service delivery is consistently at its highest standard and is committed to proactively working with you on your queries.

  • Accounts Preparation
  • Tax Compliance
  • Outsourced Financial Management
  • Start-Ups

Brian Thomas

Director of Compliance

Brian is responsible for all compliance and regulatory matters. He manages hot and cold file reviews, proof reading and company adherence to the latest accounting and auditing regulations.

He has a Top 4 City background and over 40 years’ experience as a qualified accountant.

  • Audit Compliance
  • Accounting Regulation
  • Hot & Cold File Reviews
  • Quality & Risk Assessment

Mimon Thet

Tax Manager

Mimon is our tax expert. Her comprehensive knowledge and sharp business acumen mean she considers all possible avenues to present the best possible option as part of your tax planning. Mimon is an FCCA qualified accountant.

  • Tax Planning
  • R&D Tax Credits
  • Property Accounting
  • Group Structures
  • International Tax Issues

Kizzy Lam

Business Development & Marketing Manager

Kizzy’s dedicated career path means she has a wealth of marketing experience in various industries. Her focus is on using her practical working expertise to provide genuine added value to our clients that makes us stand out from the rest.

Clients are welcome to speak to her for any advice for their business.

  • Business Development
  • Events Management
  • Content Marketing
  • SEO
  • Email Marketing
  • Social Media Marketing

Michael Betts

Senior Tax Advisor & Accounts Manager

Michael is the fount of knowledge on all fundamental accounting principles. Applying this to business he is the expert on margins, cashflow and debt to equity gearing. Michael is your key point of contact as account manager and will manage the production of your accounts and tax computations. He is an ICAEW finalist.

  • Accounts Preparation
  • Tax Compliance
  • VAT
  • R&D Tax Credits
  • Start-Ups

Tracy Watts

Payroll Compliance & Accounts Manager

Tracy is our highly efficient payroll compliance and accounts manager. With the significant changes made in legislation over recent years and the possibility of more substantial changes to be made in the foreseeable future, feel at ease knowing you’ve handed it over to our resident expert to manage for you.

Tracy is AAT qualified.

  • Payroll RTI
  • Auto-Enrolment
  • VAT
  • Health & Safety
  • Accounts Preparation
  • Sage Specialist

Olive Thomas

Head of Human Resources & Administration

Olive is an expert on the administration of both people and the company. She has managed budgets for the Chemistry and Zoology departments of Oxford University, as well as managing multiple different teams. Her kind ear allows us to manage our people fairly and pragmatically. She has over 40 years’ experience with both the civil service and a number of Oxford educational establishments.

  • Administration
  • Budgeting
  • HR

Helen Thomas

Macroeconomics Consultant

Helen keeps us updated on the financial markets, politics and their impact on our economy. Through her Blonde Money website she delivers analysis on the key risks and opportunities for investment portfolios. After 16 years in the City working for hedge funds, investment banks and fund managers, she knows the market inside out.

  • Finance
  • Investment
  • Politics
  • Economics
  • Risk Management
  • Markets

George Burrows

Credit, Accounts & Payroll Associate

George is training to become a qualified accounting technician (AAT). Aside from his studies, his first-class client service skills mean he’s the first friendly face when welcoming you to the office or the helpful chatty voice over the phone that always has time for you. He has his eyes on the numbers and is our resident credit controller.

  • Client Account Management
  • Business Development
  • Bookkeeping
  • Credit Control

Sam Robins

Macroeconomics & FX Analyst

Coming from working for an FX house in the City, Sam is a dab hand when it comes to sifting through the noise to find what really matters. His insights are put to good use in his Blonde Money articles and on our own Twitter feed.

  • Macro-analyst
  • Commentary Writer
  • Social Media Content Creator