This websites uses cookies, by continuing to browse the site you are agreeing to our use of cookies. View our privacy policy.

Starting a business

“Warrener Stewart has grown with us, helping us every step of the way in our development”
Richard Lewis

See the full case study

Developing a business

“Warrener Stewart has consistently given good advice and have always been supportive of our business aims”
Theo Brehony

See the full case study

Developing a business

“Warrener Stewart has an extremely broad spectrum of skills; their breadth of knowledge is outstanding”
Paul Allerton

See the full case study

Starting a business

“Warrener Stewart has brought a depth of knowledge to my business allowing me to make informed judgments”
James Beagrie

See the full case study

Starting a business

“My business benefitted enormously from Warrener Stewart’s advice they gave me sound and practical business advice”
Paul Mitchell

See the full case study

Developing a business

“Meeting Warrener Stewart was a key turning point for us they encouraged us to drill down and really examine the business”
Iain Watson

See the full case study

Exiting a business

“Every year Warrener Stewart makes us money with their dynamic approach to business advice.”
Jody Ashfield

See the full case study

Chartered Accountants & Chartered Tax Advisors Wimbledon

Warrener Stewart is an expert team of experienced chartered accountants, chartered tax advisors and registered auditors. We provide highly responsive, proactive, intelligent business advice to entrepreneurs and owner managed businesses based in Wimbledon.

Our aim is to support you and your business at every stage of development by following a tried and tested process. This allows us to truly understand your business and it aims so that we can help you succeed. We offer a full range of accountancy support services for businesses based in Wimbledon including Payroll and assistance with VAT returns.  Find out more about us.

Accountancy Logo

As chartered accountants, chartered tax advisors and registered auditors we provide a full range of accountancy services tailored to meet the needs of our private clients and their businesses.

Audir Icon

We audit many mid-tier firms across London and regional branches of large multi-site organizations.  We believe conducting an annual audit, even for those who are audit exempt, provides a detailed overview of a business’s performance.

Business Planning Logo
Business Planning

Warrener Stewart can become your trusted business advisor; developing a framework for your business to growth via actionable business plans and expert business advice, leaving you free to concentrate on running your business.

Support Services Icon
Support Services

Our business support services allow you to outsource basic accounting functions including payroll or Company Secretarial advice, plus we can offer advice on registering and managing VAT.

Tax Advice Icon
Tax Advice

Warrener Stewart is an expert in personal and corporate tax planning, ensuring compliance to annual tax requirements. Following a tax review of your business we can determine the most efficient tax structure for your company.

US Tax Planning Icon
US Tax Service

At Warrener Stewart we have two licensed IRS Enrolled Agents. Based in London, they can assist those who have an American income source with their US Federal tax and state tax filing requirements. 

Turning your numbers into
Actionable Business Intelligence

At Warrener Stewart our experienced principals appreciate the challenges faced by operating a business. We aim to support you and your business’s growth by tailoring our services to suit your company’s needs.

To help us we have a process which we follow, which allows us to understand where your business is within its lifecycle and to offer strategic business advice designed to help you and your business succeed. We will outline a clear, defined strategy and implementation plan designed to ensure that your business reaches its goals. 


Warrener Stewart has over 30 years of experience advising small to medium sized businesses located in and around Wimbledon. Working directly with the business owner we provide a business advisory service designed to allow you to make better informed business decisions with absolute confidence.

Proactive business advice

So, that your business can fulful its potential, one of our experienced principal accountants will spend time getting to know you and find out more about your business aims. We know that no one business is the same and each has their own challenges. By spending time learning more about how your business functions we believe we can offer relevant and practical advice that is tailored to your business aims.

Chartered accountants for owner managed businesses

Wimbledon has grown and expanded over the years, as more shops and businesses have set up in the thriving town centre and in the village. We have worked with many owner managers from our offices in Fulham, helping them to develop a successful business, including Extreme Toys, who won the 2016 Queen’s Award for Enterprise.

We see ourselves as a vital part of the business, helping to determine the future of the company’s growth. Our entire team work to provide an outsourced financial director role, keeping an eye on the numbers, freeing you up to concentrate on running and developing your business.

Accountancy services for professional practices

Warrener Stewart also works many individuals living in Wimbledon who are self-employed within professional practices such as solicitors, chartered surveyors, estate agents and letting agents. We can provide a range of accountancy services including practical support such as preparing monthly accounts through to tax and business advisory services.

Registered auditors in South West London

Many businesses in Wimbledon use Warrener Stewart’s auditing services. Whilst not every business requires a yearly audit, we believe that an annual audit helps companies prepare for expansion since it is can determine their overall financial position and indicate areas of possible expansion.

Tax Advice for Private clients

From our offices, based in SW6, we have a team of their chartered tax advisors led by Damian Talbot able to help private clients living in Wimbledon with their tax. We offer a comprehensive personal tax advice service including advice on inheritance tax and capital gains tax. To find how we can help you simply call 020 7731 6163.

International Tax advice

At Warrener Stewart, our tax team can assist with international tax issues for non-UK residents and companies. We provide advice for inbound individuals as well as outbound individuals.

Since both Damian and colleague, Ashleigh Molton, are both an Enrolled Agents licensed by the US Federal Government, we can also assist with anyone with an American tax responsibility. Damian is also an Authorized Acceptance Agent, able to help non-residents apply for their individual tax numbers.

Phone Icon

If you have any questions about how your business could benefit contact us today:

020 7731 6163

Regular access to our experienced and knowledgeable principals

Meet our people

Our Process

We have a tried, tested and proven process that enables us to truly understand you and your business in order to give you the expert advice you need, when you need it.

Learn more


Latest News

Warrener Stewart grows Edinburgh office

Warrener Stewart is actively expanding its Edinburgh office to meet growing demand within the accountancy and tax market in Edinburgh and across the rest of the UK.As part of the expansion, Keith Campbell has joined the Edinburgh team as a Corporate Tax Assistant and is now taking his ATT exams. Prior to his career in tax, Keith worked in engineering and sustainable energy.Keith said: “I...

Read more >

Knowing the tax implications of cryptocurrencies

With cryptocurrencies becoming more prevalent over the last few years, Warrener Stewart is increasingly being asked to help clients who are unsure of the tax regulations associated with these investments.Huge volatility in the value of cryptocurrencies can result in large gains or losses for investors. Either situation can greatly affect an investor’s personal tax situation alongside...

Read more >

Warrener Stewart expands the audit team

Warrener Stewart has a highly regarded audit department and the team has expanded further to meet increasing demand within the audit market.Joining the audit team are Daniella Nagy (left) and Geena Hunt (right) both highly experienced and qualified, offering a great match with Warrener Stewart’s culture and a keenness to develop their careers.Supervisor Geena Hunt, brings five years...

Read more >