The Team

Working tirelessly for our clients across all seven continents.

Andrew Brierley

Andrew Brierley

BSc, DipLS (Oxon)


Andrew co-founded The Briars Group Ltd in 1991 with Kate Jolly. He is an experienced corporate executive with a background in IT, Telecoms, Engineering and an expertise in HR Management and international mobility.

When not driving across the Sahara in his beloved 4×4, you may find him in the skies above piloting an equally rickety old plane!

Kate Jolly

Kate Jolly



Kate co-founded Briars in 1991 with Andrew Brierley. Having gone to university at the tender age of 16, Kate is a qualified lawyer and tax advisor and advises clients on accounting and tax compliance across multiple territories. Kate also heads up the legal team.

In the spare time that she really doesn’t have, Kate keeps and trains birds of prey. Her latest addition is a European Eagle Owl called ‘Sam’.

Peter Osborn

Peter Osborn

MA MSc (Oxon), FCA

Non-Executive Director

Peter joined Briars in 1996 following a successful career with KPMG and PKF, during which time he spent several years in Africa. Peter specialises in providing clear and logical business advice to a wide range of corporate clients, and has expertise in MBOs and M&A activity.

Peter’s leisure time is shared between his love of bird watching, and restoring old London buses.

Niall Davis profile

Niall Davis

IT Director

Niall Davis joined Briars in 2005. He has 17 years experience in the industry and has a strong technical background in networking and enterprise solutions and is the chief architect in our data centre.
Niall’s technical ability and business experience in delivering solutions allows him to engage with clients at all levels, understand the business issues and then walk through the available solutions, each bespoke and customised to the clients requirements.

In his personal time Niall likes go on day trips with his family.

Gemma Bignell - ACCA

Gemma Bignell


Operations Director

Gemma joined Briars in 2006 and has managed our accounting services team for many years. In 2014 Gemma was promoted to Senior Advisor in our Client Services team where she was responsible for the overall service levels to her portfolio of clients. Most recently Gemma has been awarded the position of Commercial Director where she is involved with the running of day to day office activities and business decisions. She has over 15 years experience in industry and audit, and an uncanny ability with numbers. She provides advice in ‘non-technical’ terms where needed, and all advice is tailored to the needs of the companies and individuals.

In her spare time Gemma enjoys DIY, holidays in the sun, and Zumba!

James Durance

Accounting Manager

James joined Briars in 2008 and is a CIMA qualified accountant and heads up the accounting and payments team.

He has a very active lifestyle chasing after his young daughter when not in work.

Tracy Adaway

Tracy Adaway

Payroll Manager

Tracy heads up our payroll team and has been with the firm for 10 years. She has a breadth of experience covering payroll; accounts, credit control and billing and an in-depth knowledge of our clients.

In her spare time Tracy is devoted to her family, and Go-Ape!

Zhen Bailey

Zhen Bailey

Tax Manager

Zhen joined Briars in August 2009 and today, fulfils the role of Tax Manager, with specific expertise in the fields of international planning, expatriate tax and stock schemes. She is qualified both as a Certified Chartered Accountant (FCCA) and as a Chartered Tax Advisor (CTA) qualification.

We are delighted to have Zhen as a key member of the Briars team and can rely on her keen eye and in-depth tax knowledge to ensure that the advice given to our clients is accurate and delivers what is needed to help our clients reach their goals.

When not hard at work advising our clients Zhen enjoys running, country walks, spending time with her family and travel.