Why us

Dedicated to delivering a first class client service

Cook & Partners was established in 1987 and today we continue to build on our enviable reputation for providing excellent advice and first class service to our business and personal clients alike. We specialise in dealing with and assisting owner-managed businesses and in doing so, endeavour to provide best advice and help to both such businesses and those behind them. Additionally, we put an emphasis on providing a very personal service.


Meet the directors

Mark Jones

A general practitioner working out of both the Hertford and Bishop’s Stortford offices, Mark specialises in a number of different professions and industries.

Mark is a keen tennis player and car enthusiast

Jeff Oliver

Jeff is a qualified member of the ACCA.

He has been with the firm for many years and has gained vital experience in various areas including audit, assurance, accountancy, academies and taxation.

He specialises in the start-up of new limited companies or sole traders and can offer software support on various accounting software packages.

Outside of working hours he enjoys various sporting activities especially a round of golf, or the sound of leather on willow on a summers afternoon.

He also enjoys his music and attends the odd concert or festival.

Billy Wenman

Billy has been with Cook & Partners for over 10 years, joining as a junior and is now a qualified member of the ACCA.

With experience in a multitude of aspects including management accounting, payroll, statutory audit, Making Tax Digital compliance and software support and development.

Billy enjoys outdoor sports including clay shooting, fishing and most of all mountain biking throughout the UK and all over Europe. He is also a car enthusiast who doesn’t mind turning his hand to the tools.

Meet our team

of accountants

Liam McCarthy Senior Accountant

Amanda Durr Tax Payroll Specialist

Sharon Hart Personal Assistant

Tomas Stevens Management Accountant

Julia Djemal Management Accountant

“My contact with Cook & Partners is very professional and very friendly”

Brian Simmons

Our Promise to our clients

We believe we can only get the best results if we have a thorough understanding of our clients and their objectives. We strive to be proactive in adding value to their business through regular contact, which enables us to give a more effective service by tailoring our activities to fit our clients’ real needs. We aim to make the most of your opportunities.

  • To ensure that you and your business benefit from your income and profits.
  • To use our experience and expertise to assist you with profitable financial planning.
  • To keep our skills up to date so that you get the best advice based on the latest information.
  • To offer a comprehensive and quality service to all clients.
  • To exceed our clients expectations and go the extra mile.

Bit about us

As well as general accountancy, audit and tax skills, our Directors also have individual specialist skills, which enable us as a firm to provide clients with a first class service as and when required. With our wealth of experience we pride ourselves on delivering an unparalleled service to all clients, whatever their size or sector.

In addition to traditional auditing, accounting and tax services we also provide advice on how to improve and develop your business. Whether you need an integrated business strategy, or specialist tax advice, we are here to help you achieve your goals.

Professional Accountants

If you are looking for a team of reliable, professional, approachable accountants who will do more than just respond to your needs – who will work with you in a proactive manner to help you succeed – we would be delighted to be of service.

Help to reach your goals

Our Directors are all general practitioners, with a wealth of professional experience and expertise between them. We work closely with our clients to help them improve profits and attain their goals. Subject to any professional constraints, we endeavour to provide a breadth of advice and assistance to all our clients.

Dedicated professionals

We are supported by a team of dedicated professionals in all of our departments. In particular, we have in-house tax specialists, who assist the Directors in advising on all aspects of personal and corporate taxation.


We have many clients both locally and nationally and service businesses of all sizes across many sectors such as

IT & Telecommunications

Experts in providing tailored financial solutions to empower IT & telecommunications companies, ensuring fiscal efficiency and strategic financial growth.

Media & Marketing

We excel in guiding media & marketing companies with specialised financial insights, fostering fiscal success and strategic growth in the dynamic landscape of the industry.

Consultancy & service

We help consultancy and service companies with tailored financial expertise, ensuring sound fiscal management and strategic growth in their dynamic ventures.

Construction industry

We provide construction companies with tailored services, to ensure robust financial foundations and strategic growth in the construction industry.

Engineering & Manufacturing

We support manufacturing companies with tailored financial solutions, optimizing operational efficiency and fostering strategic fiscal growth within the dynamic landscape of the manufacturing sector.


We support retail companies with expert financial guidance, ensuring sustainable fiscal health and strategic growth in the ever-evolving realm of the retail industry.


We cultivate financial prosperity for agricultural companies, providing specialized expertise to navigate the unique challenges of the industry and foster strategic fiscal growth in the field.

Professional Services

We provide professional service companies with tailored financial acumen, ensuring precise fiscal management and strategic growth in the dynamic landscape of the professional services sector.

Medical consultants

We provide financial support to medical consultation companies, navigating the intricate fiscal terrain to ensure robust financial health and strategic growth within the healthcare sector.

Estate Agents

Electrical & Plumbing



We are proud to share that we support Isabel Hospice as our chosen Charity.

We have a long-lasting relationship with Isobel Hospice, and continue to support the fantastic work they do, providing free palliative care and support to local families within eastern Hertfordshire.


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