BANGOR: 01248 670370 - | LLANDUDNO 01492 877478 -


Meet the directors behind Williams Denton.

Keith Barker BSc (Hons) FCCA

Keith Barker is a director based in the Bangor office of Williams Denton.

Keith trained with Deloittes in Chester before moving to Williams Denton in 1991. He is a Fellow of the ACCA, as well as being a Senior Statutory Auditor, an ATOL reporting accountant and First Level Controller re European Fund claims.

Keith has a keen interest in all types of businesses and charities. With a keen eye for detail and an ability to read behind the figures, he has undertaken a range of investigative work and has invaluable experience in carrying out audits at clients’ premises. Keith also has an ability to take an holistic view of a client’s financial and business affairs, no matter how complex, in order to help structure them in the best possible way.

Married with three children, Keith lives in Anglesey. Having gained a GCSE in Welsh, he understands more of the language than he can speak. Outside of work he enjoys walking in the North Wales countryside and watching films.

Keith is a school governor to a primary school in Anglesey and has been involved in fundraising activities over the years, mainly through Bangor and Area 53 Round Tables.


Colin Bell FCCA MAAT

Colin Bell is a director based at the Bangor office of Williams Denton.

A Fellow of the ACCA, Colin, has been with Williams Denton since April 1988, he is also a Member of the AAT and a Senior Statutory Auditor.

While keeping a general portfolio of clients, Colin has particular expertise in charities and owner managed companies, particularly the construction industry, hospitality industry and professional firms such as solicitors and financial advisers.

He also has a keen interest in helping start-ups by demystifying the basics every business needs to know about record keeping and tax efficiencies.

Colin is responsible for all of the IT within Williams Denton and helps clients simplify their bookkeeping by recommending accounting software solutions, including the latest Cloud accounting systems such as Xero, SAGE, Quickbooks,etc.

With the introduction of Making Tax Digital, Colin also helps businesses prepare for the new requirements, utilising software to make the transition as smooth as possible.

Married with two children, Colin lives in Anglesey and is a keen football fan as well as being an active member of Holyhead Round Table. He is also the chair of governors for a local primary school and is involved with other community projects.


Janet Jones LLB FCCA CTA

Janet Jones is a director based in the Llandudno office of Williams Denton.

Having gained a degree in law, Janet joined Williams Denton in 1985 and became a director in 2001. She is a Fellow of the ACCA and a Chartered Tax Adviser.

During her time at Williams Denton Janet has developed an in-depth knowledge of accounting for GP and dental practices.

With health policy being devolved to the Welsh Assembly, funding streams can differ significantly in Wales compared to other parts of the UK. Janet has therefore built up a rare and specific expertise in accounting for doctors and dentists working within the NHS in Wales.

Janet’s large portfolio of primary care practices in North Wales also gives her the ability to benchmark GPs across the region and, in doing so, help her clients make the most of their budgets.

Janet is highly regarded as a seasoned tax planner. Alongside her medical clients, she maintains a mixed portfolio that includes hotels among a number of small and medium sized businesses.


Martin Barrett FCCA CTA MAAT

Martin Barrett is one of three directors based in the Llandudno branch of Williams Denton.

With 20 years’ experience in accountancy, Martin has specific expertise working on the accounts of caravan parks, hotels and regulated businesses such as solicitors, independent financial advisers (IFAs) and insurance brokers. Martin is responsible for all of Williams Denton’s charity client accounts held at the Llandudno office.

Martin is a Fellow of the ACCA and the AAT, as well as being a Chartered Tax Advisor and Senior Statutory Auditor.

Born and raised in Llandudno, Martin has a specific interest in helping the local business community, recently organising a series of drop-in sessions offering free tax and accounting advice to SMEs and individuals.

Married with one son, outside of work Martin is a keen, and competitive, golfer. He has worked at Williams Denton since April 1998.


Adam Owens ACCA MAAT

Adam Owens is a director based in the Llandudno branch of Williams Denton.

He joined the Board in 2017, after 16 years working at our Llandudno office.

Having trained with Williams Denton, Adam has developed into an active and prominent member of the North Wales business community. He manages a wide-ranging portfolio covering small and medium sized businesses across the region.

Adam has a keen interest in accounting technologies and ensures that Williams Denton, and our clients, are able to take advantage of financial software to significant business advantage. He is able to not only help clients set up on accountancy packages such as Xero and Sage, but can advise on the apps and shortcuts that will suit their specific business needs.

Adam also helps our clients buy and sell businesses. He has experience dealing with a number of corporate finance transactions, including business disposals which in the last 12 months amounted to more than £5m.