Riordan O'Sullivan & Co, London accountants

Chartered certified accountants and statutory auditors serving clients since 1968.

ABOUT US

Established in 1968, Riordans are a London based financial and tax specialist for family-owned businesses and entrepreneurial individuals.

By combining our in depth knowledge with an approach to customer service that’s famously hands-on and unwaveringly proactive, we have built lifelong relationships with many of our clients and their families.

We also boast specialist experience in the construction property and waste management sectors, something that has secured our reputation as the go-to accountancy practice in the country for some of the best-known companies within these ever-evolving industries.

OUR SERVICES

Whether you need our chartered certified accountants to manage all your accountancy and tax requirements on a regular basis, or you’re searching for guidance on a specific matter, we can tailor our services to reflect your distinct needs.

If you are looking for advice on a highly specialised matter we have teamed up with widely respected and experienced consultants who work with us.

FOR BUSINESSES

Enjoy the reassurance that comes with outsourcing all your business accounting requirements to a certified team with a wealth of financial expertise.

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FOR PRIVATE CLIENTS

From managing personal tax returns to restructuring your assets to avoid unnecessary inheritance tax bills, we offer timely advice on all personal finance matters.

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BENEFIT FROM OUR IN-HOUSE BUSINESS ADVISORS

We don’t simply crunch the numbers. Our team also offers independent, unbiased guidance to entrepreneurs who are eager to set up their first business or build on their corporate empire with the launch of a new venture.  

WANT TO JOIN our Firm?

If you are looking for a new opportunity with one of London’s most established accounting firms, we would love to hear from you. We offer competitive packages, flexibility and the chance to develop real relationships with real family owners and become an important and trusted part of our client’s teams, as well as Riordan O’Sullivan’s.

"We’ve been working with Riordans for over 25 years, and they have provided reliable and dependable support and guidance in the development of our business. They deliver peace of mind and we view them as an essential cog in our business life."

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CONTACT US

Call us now on 020 8969 9411 or leave your details here and we’ll get back to you.