About Us

Harrison Renwick provides expertise to rival much bigger firms, combined with services tailored to the individual needs of our clients and a level of attention you can only get from a small practice. Since 1991 we’ve been combining excellent service and advice with an approach that’s flexible, personal and good value.

Consistently providing you with good quality service and advice gives you peace of mind that your tax affairs are in order. For our business customers it frees you to focus on the success of your business.

To ensure we can offer our clients the very best advice we invest constantly in our staff, in their training and professional development and in our systems because we know how important it is to stay up-to-date with best practice. We also aim to provide value for our clients so we keep our rates extremely competitive.


Our Team

Sarah Alexander

Managing Director

Sarah is originally from the north of England and trained with a top 20 firm in Manchester. After qualifying she moved to Gibraltar where she spent four years working for a leading firm of Chartered Accountants there. On her return to the UK she joined Lewis Brownlee and has developed a client base which includes small businesses, pension schemes, solicitors and charities.

Tom Foster

Tax Director

Tom is a member of the Chartered Institute of Taxation, and joined Lewis Brownlee as a personal tax manager from a top 20 firm in March 2014.

Tom has over 15 years experience as a general tax practitioner, during which time he has assisted both individuals and businesses to ensure their tax affairs are operated in an efficient and legitimate manner.

Adrian Sharp

Accounts Manager

Adrian manages the accounts department. He has been with Harrison Renwick since 1996, so brings a great depth of experience to his role – experience both of the practice and of sole trader, partnership and small to medium sized company clients. He holds full qualifications from the Association of Accounting Technicians (AAT) and is part-qualified with the Association of Chartered Certified Accountants (ACCA).

Rhian White

Personal Tax Manager

Rhian joined the tax team in April 2017 from a Big 4 firm in London where she worked in the Private Client Tax Team. Rhian is a Chartered Tax Adviser, and she specialises in advising individuals on a wide range of personal tax issues, including inheritance tax, property tax and overseas tax matters.

Shaaron Rogers

Accounts, Book-keeping and Xero

Shaaron heads up the book-keeping department and has many years’ experience in this role. She brings with her particular expertise in Xero and Sage computerised book-keeping systems. She is fully qualified with the Association of Accounting Technicians (AAT).

Sam Dean

Accounts and Payroll

Sam runs the payroll department and is also our practice administrator. She has been with Harrison Renwick since 2009.