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Meet the Team


andy nixon

Andrew Nixon - Director

Andy co-founded Nixon Williams in 1995 to provide fresh thinking to the freelance accountancy market. Customer service is one of Andy's top priorities and little escapes his keen eye.

Having worked in all areas of the business, Andy now has responsibility for staff recruitment, development and training; he has also implemented most of the systems that the company now operates.

Before founding Nixon Williams, Andy has had management roles in the public sector, leisure and hospitality industries. He is an associate of the Chartered Institute of Personnel and Development.

alan williams

Alan Williams - Director

Alan co-founded Nixon Williams in 1995 to offer contractor accountancy services, since then he has seen many changes, the most notable being the introduction of IR35 in 2000.

Passionate about excellent customer service, Alan has worked tirelessly to deliver this at a reasonable price.

Prior to Nixon Williams, Alan worked in various accountancy roles covering the health sector, commodities, chemicals, consumer products and transport. He has been a member of the Chartered Institute of Management Accountants, CIMA since 1990.

martin brennan

Martin Brennan - Practice Manager

As practice manager, Martin is responsible for the delivery of our service by the six individual accounting teams and is particularly keen on the development of the team members.

Martin is a member of both AAT & ACCA and one of our IPSE Accredited Accountants.

craig mccall

Craig McCall - Compliance Manager

Craig has moved rapidly through the business and after a successful period as a team manager, he is now our Compliance Manager.  Craig is responsible for ensuring that our service quality remains high, he also deals with any HMRC enquiries and for various projects within the business.

Craig, a member of ACCA, an economics graduate and one of our IPSE Accredited Accountants, is another product of our internal training programme, where we instil our key qualities of customer service and knowledge expertise.

brett mcdonald

Brett McDonald - Team 1 Manager

Brett joined us four years ago from another practice and quickly realised how different we went about doing things. Used to being reactive, the move to a proactive practice was a welcome move. Brett was amazed that we sent draft accounts to clients just weeks after their yearend, but now sees this as a minimum service level to be achieved.

Being our longest serving Team Manager, Brett has a breadth of experience which enables his team to provide a guide to contractors around the UK.  He is a member of both AAT & ATT as well as one of our IPSE Accredited Accountants.

anita dinardo

Anita Dinardo - Team 2 Manager

Anita joined us after working at another accountancy practice and was pleasantly surprised to see the different approaches used by Nixon Williams. Anita is another product of our successful internal training system and she has worked her way up to the position of a team manager.

Anita is a member of the AAT, ACCA and is an IPSE Accredited Accountant.

simone brown

Simone Brown - Team 3 Manager

Having previously worked at another accountancy practice, Simone was pleased to join a company who work in a timely and efficient manner.

As a well organised individual who strives for perfection, she is leading an enthusiastic team whose aim is to deliver excellent customer service on every occasion and to ensure that their skills and knowledge remain up to date, allowing them to give the best possible proactive advice to their clients.

Simone is a member of the AAT & ATT as well as one of our IPSE Accredited Accountants. Simone is currently studying with the CIOT to gain certification as a Chartered Tax Advisor.

alan jackson

Alan Jackson - Team 4 Manager

Prior to joining Nixon Williams, Alan had worked in other accountancy practices for over 10 years. Alan is a member of the AAT, ATT and is also an IPSE Accredited Accountant, these qualifications bring him a wide range of skills that he can draw upon in his current position as Team Manager. Alan leads an energetic team and takes pride in delivering a high standard of customer service.

colin taylor

Colin Taylor - Team 5 Manager

Colin, became a Chartered Management Accountant (ACMA) after gaining his AAT qualification. Both he and his team are very enthusiastic and willing to do all that they can to help and assist their clients. Colin is an IPSE Accredited Accountant.

nikki cunliffe

Nikki Cunliffe - Team 6 Manager

After gaining her ACCA qualification, Nikki was promoted to head up one of our teams. Nikki is supported by a great team who all aim to provide the very best in customer service. Nikki is an IPSE Accredited Accountant.

Craig Whelan

Craig Whelan - New Business Manager

Craig initially worked in one of our accounts teams as an accountant, he now advises our new clients about our accountancy services.

Unlike many of our competitors, Craig benefits from having an accountancy background and is a member of AAT so this helps as he knows what he is talking about!

shirley ritchie

Shirley Ritchie - Office Administrator

Shirley was our very first employee and she is still with us! With her being with us from day one, Shirley has a vast amount of knowledge and experience to ensure that the whole team is heading in the right direction.