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AAB is a professional services firm in London – Gatwick, delivering wealth-focused solutions to entrepreneurs, families, and private clients. Our team blends corporate expertise with personal financial insight, offering tax planning, estate structuring, and investment advisory. We prioritise long-lasting partnerships, helping clients achieve financial clarity, security, and growth through hands-on, personalised support.
“I genuinely care about the support I provide to clients and the results we achieve for them, and because of this, I will always go the extra mile.“
We put people first and care about delivering real results. Based in London, our accountants work closely with you to drive growth and give your business the edge, all while staying connected to the city’s fast-moving business scene.
As a leading accounting firm in London, we provide a comprehensive range of professional services to support you and your business in achieving success.
See why clients choose our London accounting firm. Our case studies show how we’ve helped businesses reach their goals.
“AAB provides exceptional payroll services, helping us pre-empt challenges and improve our processes. Their team has taken the time to understand our needs, offering proactive support and acting as trusted advisors.”
Julia Rank, Deputy Director of Finance, St Mungo’s Community Housing Association.
BROWSE OUR CLIENTS SUCCESS STORIES
In the heart of London’s thriving business environment, our AAB accountants in London provide expert support to clients across a wide range of sectors:
Through our charitable initiative AABIE, we’ve worked with local London charities, supporting causes that matter in our local community. In 2025, we pledged to charities in London including Asthma Relief and Anthony Nolan through the London Marathon.
Looking for your next challenge? See the latest vacancies at our London accounting firm office.
We appreciate the invaluable support provided by AAB during our complex transition. With limited resources, AAB quickly mobilised experienced personnel familiar with offshore payroll, expense systems, and time writing processes. Their expertise ensured a smooth handover, and the process felt routine during the first post-completion month. AAB’s support was instrumental in ensuring a seamless transition.
Andy Bell, VP Finance, Serica Energy
We are very impressed with how smoothly the transition to AAB as our audit partner has gone. The AAB team, along with our internal team, ensured the process was seamless. Their professionalism and expertise made a significant impact, and we appreciate their contribution to our ongoing success.
Sonia Smith, Executive Director of Finance, St Mungo’s
The AAB team set the gold standard for R&D tax credit support. From the start, they’ve acted as trusted advisors, taking the time to understand our technology and shaping our claims in a way that demonstrates future value to HMRC. Their expertise has made R&D credits a reliable source of funding, which is vital for a growing tech business like ours. Working with AAB has meant less stress, more confidence in our claims, and more time to focus on innovation. They just get what we’re trying to build- and that’s made all the difference.
Nish Kotecha, CEO Finboot