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Starting a business

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

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Developing a business

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

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Developing a business

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

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Starting a business

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

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Starting a business

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

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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

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Exiting a business

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

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Chartered Accountants & Chartered Tax advisors 

Warrener Stewart, a team of experienced chartered accountants, chartered tax advisors and registered auditors, specialises in meeting the needs of private clients and their businesses.

From our offices, moments from the legendary Stamford Bridge stadium, we aim to provide valuable business advice and business support to small and medium businesses based within south west London. We will help your business fulfils its potential and you achieve your personal goals. Learn more about us

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

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Warrener Stewart specialises in meeting
the needs of small to medium sized
businesses. Wherever you are in your
business lifecycle our aim is to help you
make better informed business decisions
with greater confidence.

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Business Planning

Warrener Stewart can act as your trusted
advisor, especially where there is no
financial director – we ensure the
framework the client has in place is
appropriate and able to support the
businesses growth.

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Support Services

There is great value to be gained from the
rigeur applied in the auditing process and
the outcome can be used to improve
business performance, guard against areas
of risk and to build confidence and

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Tax Advice

Warrener Stewart has become an expert in
corporate tax planning and compliance
allowing you the freedom to run your
business. We will conduct a full tax review
of your business and determine the most
efficient tax structure for you.

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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 follow a tried, tested and proven process in order to totally understand you and your business, providing you with strategic business advice to help you succeed.

To meet your business needs we provide a full range of accountancy services which can be tailored depending on where your business is within its lifecycle. Our experienced chartered accountants work alongside chartered tax advisors and registered auditors to support your business growth.

Chartered Accountants in Chelsea

The Royal Borough of Kensington and Chelsea is probably one of the most well-known of the south west suburbs, home of Chelsea FC and the Chelsea Flower Show. This densely populated area has a long association with fashion and design and is home to many businesses including large multinationals, family firms and micro businesses. 

When looking for an accountant the key thing to look for is synergy with your own business. At Warrener Stewart we have particular expertise in specific sectors so there is a tangible benefit in using accountants who know and understand your sector.

Essential business advice for start-ups  in Chelsea

Kensington and Chelsea may be one of the most expensive places to live in central London, however for a new business it can be a perfect place to start up your business. So many start-up businesses fail within their first three years, to give your business the best chances of success let Warrener Stewart guide you through the process, we can offer invaluable support and advice to help your business succeed.

Advice for Owner Managed Businesses

Warrener Stewart can give your business the best chance of success. Our chartered accountants will work with you to develop a comprehensive business plan, whilst our chartered tax advisors can help determine the best structure for your business; whether it be a sole trader, a partnership, a limited liability partnership or a limited company.

Meeting the demands of a variety of business sectors   

Warrener Stewart works with several companies head quartered in both Europe and America with branches in the Chelsea area, helping them with different accounting and tax compliance issues to ensure that all UK compliance matters are met. Alongside multinationals, we also work within the not for profit area and advise charities including Friends of Royal Brompton Hospital. 

Chartered Tax Advisors in Chelsea 

Warrener Stewart has a dedicated team of chartered tax advisors based in west London, led by Damian Talbot. Our chartered tax advisory team have several private self employed clients living within SW10, who turn to them for help completing their annual tax returns and advise on tax liability.

Our tax team can advise on both domestic and international tax issues, including assistance for clients who have a US tax responsibility.  We currently have two qualified Enrolled Agents, licensed by the US Federal Government able to file US tax returns for Americans living and working in the Fulham area. Additionally, Damian Talbot is also an Authorised Acceptance Agent.

Registered Auditors in Chelsea 

If you are looking for an auditor based near Chelsea, Warrener Stewart has a proficient team of registered auditors able to help local businesses. We can prepare an annual review as well as undertaking an audit of a company to provide valuable information about how a company could improve their business performance. 

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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


Case Study
Pen Hadow

As an international explorer operating a company overseas Pen Hadow relied heavily upon Warrener Stewart’s accountancy and tax skills to ensure his Polar expedition company could complete their research program.

Client's View

“We leaned heavily on Warrener Stewart when we were running the Catlin Arctic Survey, the sheer volume of money and weight of work was incredible; we were so impressed at their quick response times and ability to resolve even the most complicated financial problem.”

Read the solution and result

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...

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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...

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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...

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