Who we are

A Bedfordshire firm of accountants and tax advisors working locally and nationally who are approachable, professional, and personable.

Take a team of qualified professionals, a huge amount of experience, mutual respect for each other, teamwork, a love of music and buckets of tea and you have the magic of the team at Jarem.

Jarem specialise in providing Accounting Services to Businesses, Business Advice and UK Tax Advice for Individuals, US Tax Advice to individuals and UK Tax advice to Expats in Spain.

We have clients from across the UK, Spain and the US working with them in person, via Zoom or meeting in Leighton Buzzard or London. We pride ourselves on the professional relationships we forge with our clients, we take time to get to know all our clients and make ourselves available to them when they have queries.

We can work on a retainer basis or adhoc, either way our focus is to make sure that you are fully aware of the tax liabilities for your business and yourself so you can plan, and that you fully understand your business numbers.

If you have not had an accountant before then get in touch and let’s get you started, if you already have an accountant but you are thinking about moving give us a call and let us explain how we can manage this process without any pain.

Let’s meet the team…

Graham Cook

Managing Director

Graham has over 40 years experience in Accounting, UK Tax, US Tax and Business Advice.

He has a wealth of experience in the accounting and tax arena with large listed companies, limited companies and owner managed businesses across the UK. He is an experienced Accountant and a Fellow of the Certified Public Accountants Association (CPAA) 

Graham assists companies with financial and tax advice throughout their business life cycle from inception to start up, maturity and sale. His combined experience of accounting and tax means he is ideally placed to support businesses and their owners with tax and financial matters of both the business and the owners or Directors. 

More recently Graham has expanded the business to include US Tax Return services for individuals from the US including accidental Americans, who are resident in the UK.

In his spare time Graham enjoys spending time with his family, is involved with various local charitable organisations, has a penchant for cooking, enjoys his Nordic Walking and playing saxophone with his own big band “Orchestral Manoeuvres in Jazz” as well as various other bands and groups.

Katherine Picton


Katherine joined the team in September 2022. 

Katherine is a Chartered Accountant with a background in working for listed companies in the oil and energy industries and hospitality sector. She is experienced in external reporting for listed and limited companies, external audit and accounting. This experience in audit and accounting means her attention to detail is second to none, which is essential.

Katherine works alongside Graham to produce the financial statements for our business clients. 

In her spare time she enjoys spending time with her family and taking part in sport and fitness activities.

Isabella Stensel

PA to Graham Cook

Isabella joined the team in 2023 as Graham’s PA.

Isabella has worked in a number of roles in offices over the last 16 years across a number of different industries, the majority have been family companies. She is naturally organised with a keen eye for detail, she is also a qualified Gemmologist, Diamond Grader and valuer.

In her spare time she enjoys spending time with family and friends, cooking, travelling and being creative.



Sarra is our freelance Book Keeper.

She has considerable experience in book keeping. She prides herself on her attention to detail.

In her spare time she enjoys time with her family.

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