About Us

A positive force for client growth

At GSM we offer high-quality accountancy services, distinctive, timely advice and unsurpassed commitment to our clients’ financial success.

GSM history in the making

Since 1918, we’ve built a stellar reputation for such excellence, coupled with the highest level of integrity and objectivity. The esteem in which GSM is held is the result of decades of hard work, diligent and superior client service, the development of industry expertise, taking an ethical stance in all we do and the creation of a great workplace.

Expertise, Experience & Enterprise

Over the years, our expertise, experience and enterprise have helped businesses succeed, families prosper and not for profit organisations pursue missions. Today, from our Central London office and through our partner-led service, we continue to offer a genuine duty of care in managing our clients’ finances effectively, providing you with confidence to move forward and grow.

Valued client relationships

For GSM clients, we are more than an accountant. We become trusted business advisors, part of your management team, offering valuable personal attention and yet a full range of services, assisting in any way necessary to help you fulfil your potential.

We establish a bond that goes beyond the financial to forge long-term business relationships with our clients – some have been with GSM for over 75 years.

A UK200 Group member

As a UK200 Group member, we are able to keep pace with changes in legislation and are regularly assessed to ensure that we are meeting the high standards that we set ourselves. So you can rest assured that those who choose GSM, receive timely reports, transparent evaluations and more than competent advice, as our team work together in pursuit of their goals.

As Central London accountants, decisions and solutions to your accounting issues are made right here in our office. There is no need to await answers from distant offices or absentee management. Answers to your questions are never more than a phone call away.

Make a call to us now to find out why we say together, we’ll build better business.

"We’ve been working with Richard Hill and GSM&Co for several years now and I’d highly recommend working with them. I have absolute confidence in the quality of their work."

Alex Shapland-Howes – Managing Director of Future First Alumni

"I would say that GSM are clear in their advice, responsive and helpful and their fees are both reasonable and discounted for charitable entities."

Robert Senior, Chairman - Lewes Community Screen

"The main factors that influenced our decision to go with GSM were: their fee was very competitive compared to other quotes we received, they showed a good understanding of a Parochial Church Council and the framework in which it operates."

Colin Edwards, Treasurer - St Luke’s Church, Wimbledon Park, London

"We are delighted with the proficient and individual service we receive and highly recommend them. They not only provide quality work and advice but are approachable and caring."

Philomena Freeman - Freeman Associates

"We have been working with GSM for more than 14 years. They manage our bookkeeping and advise on all levels of finance and accounting."

Richard Craig Managing Director, Margaret Howell Ltd

"GSM has been accountants to our company and family members for more years than we can remember. This is testimony to the truly excellent working relationships we have enjoyed with them over those years and the personal, friendly service they have always been able to provide."

Brian Lavender Managing Director, Lavender & Farrell Limited

"GSM have helped us grow from a dotcom start-up into a well known online brand. They have always provided a professional, friendly and helpful service."

Alison Sakai Head of Finance, Firebox.com

"GSM have supported our company, and more recently group, since our incorporation in 2009. They have consistently provided the highest standard of service and advice."

Christopher Dougan Chief Financial Officer, Olivetree Group Limited

"GSM have promptly prepared my annual accounts and tax returns and more recently looked after my monthly PAYE."

Robert Malleson Director, RPM Associates Limited

"Griffin Stone Moscrop made it on to our shortlist with their third-sector credentials alone. What won the tender for them however was a combination of not just that experience but also a demonstrable ‘real world’ pragmatism to auditing.

John Heasman Chief Executive, Rock UK

"The team at GSM know we need a specific type of service and support as a small business, and they work efficiently which allows us to save on costs as a result."
Keren Lerner Top Left Design

"Embarking upon the path of fashion business was quite agitating in the beginning, but Jenny provided so much guidance in such a calm and patient manner that suddenly all became clear and I could finally concentrate on other aspects of my company. Thank you for being my Egyptian marble pillar that I know is always there for me to lean on!"

Vera Sugurova Managing Director of Durbandaire & Co Limited

"Since I came into the business 32 years ago, I have found their advice to be invaluable and trustworthy, always responsive to sort out any queries. I have no hesitation in recommending GSM."

James Pimblett Partner at Parsonage Farm

"GSM were recently instrumental in guiding us through the R&D claim process, providing a very successful outcome for the group."

Christopher Dougan Chief Financial Officer - Olivetree Group Limited

"GSM have helped us grow from a dotcom start-up into a well known online brand. They have always provided a professional, friendly and helpful service."

Alison Sakai Head of Finance - Firebox.com

"I started my business in late 1992. Since then GSM have promptly prepared my annual accounts and tax returns and more recently looked after my monthly PAYE."

Robert Malleson Director - RPM Associates Limited

"We have been working with GSM for more than 14 years. They manage our bookkeeping and advise on all levels of finance and accounting. They are excellent at systems and have good international experience, they are also trusted and able auditors. They are experts in the industry and played a major role in our growth and internationalisation. They are trustworthy, efficient, technically able and thoroughly nice people. I am delighted to recommend them."

Richard Craig Director - Managing Director Margaret Howell Ltd

"GSM has been accountants to our company and family members for more years than we can remember. This is testimony to the truly excellent working relationships we have enjoyed with them over those years."

Brian Lavender Managing Director - Lavender & Farrell Limited

"GSM have audited our accounts for the past 3 years. They have also helped in the preparation of accounts. In a very short time they understood the workings of our charity and were able to offer friendly and helpful advice"

Lorna Stagg Administrator - The Eaton Fund for Artists, Nurses and Gentlewomen

07 Oct 2024

IPSE calls for fairer off-payroll rules in Budget

The Chancellor should use her Autumn Budget to make off-payroll working rules 'fairer and more effective', according to the Association of Independent Professionals and the Self-Employed (IPSE).

Key figures in the Charity sector got up to date with a recent briefing on accountancy and reporting at our offices, reported on by Charity Times. You can read it here.

If you’re new to GSM and would like to attend future briefings or be a part of a similar briefing for your sector, contact Richard Hill

Autumn Statement 2023

A review of measures for UK businesses and individuals.

Services

Committed to providing expert, objective and timely advice, delivered in an efficient and effective manner.

Sector

We have specialist expertise for clients in a number of business sectors including Fashion and Farming.

Case Studies

The advice and solutions we offer our clients are focused on helping them achieve their objectives.

Knowledge

Factsheets, resources, news and events to keep you up to date on the changes in the financial world.

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