We are an Oxford-based, independent accounting practice committed to providing exceptional accounting services and strategic business advice to clients across Oxfordshire and nationally. We offer a wide range of accountancy and tax planning services, combining the personal touch of a small practice with responsive, reliable expertise.
We are an ICAEW registered practice established in 2008, with many satisfied clients. We know every client is different, so we take the time to understand your situation and give you straightforward advice.
Meet the founder
Simon Maughan Antonis
Founder and Director, FCA
Simon Maughan Antonis
Founder and Director, FCA
Simon's love of numbers and helping people has shaped his 20-year career in finance. After qualifying as a chartered accountant in 2007, he worked with KPMG in Edinburgh, gaining experience with businesses of all shapes and sizes. Today, he is a Fellow of The Institute of Chartered Accountants in England & Wales (ICAEW) - the most senior status awarded by ICAEW, bringing deep expertise to his work.
Simon uses his skills to help businesses and individuals make sense of their finances, offering clear advice that cuts through complexity. He also serves as a board member, bringing strategic as well as accounting expertise to his clients.
In his free time, Simon is either running, cycling or cooking up a storm in the kitchen. At the heart of Simon's work is a simple goal: to make financial management less stressful and more understandable for everyone he works with.
Why work with us?
Here's what working with us looks like:
- Work directly with your accountant who takes the time to understand your business and your personal tax situation.
- Personal attention from a small, independent firm, not a faceless operation.
- Experienced across business and personal tax, helping you spot risks and opportunities you might otherwise miss.
- Here when you need us, whether it's a tax question, a confusing HMRC letter, a new contract, or a business decision you want to discuss, just give us a call.
- Transparent, fixed fees agreed upfront, tailored to your business or personal tax needs, so you only pay for what you need.
- A flexible service that grows with your business, providing support when you need it, with clear quotes for any additional work.
- We help you understand the financial and tax impact of your decisions, so you can grow your business with confidence.
Our practice is in North Oxford, between Jericho and Summertown. We work with clients across Oxfordshire and nationally — from Cowley and Abingdon to London and beyond. Whether you're a private client looking for tax advice, a sole trader, landlord, contractor, Oxford University spin-out or a growing business, we'll help you stay on top of your finances and make decisions with confidence.
What our clients say
This was my first time ever working with an accountant in the UK, and I felt like having won the lottery here. Simon is very efficient, concrete, to the point, super helpful, responsive and quick about it. If you're looking for an accountant, Simon is your lead.
Simon Maughan & Co came highly recommended, so we decided to engage with them. We have never looked back. We have found them to be proactive and highly responsive, completing their work in a timely fashion. We have no hesitation in recommending them to any organisation seeking a professional accountancy firm.
Simon's friendly approach hides just how skilled and professional he and his team really are. After being let down by a previous accountant, we were under pressure to meet some important deadlines. Simon quickly understood what needed to be done. His advice and support made a huge difference—saving us both time and money. I honestly can't recommend him enough.
Great, efficient service. Simon is very professional with excellent attention to detail. He made my tax process feel very easy and painless.