Accounting services to small and medium sized businesses in the Chiltern and Thames Valley areas


© 2009-2018 Rosemount Accounting Services Ltd


Graham Trimming is the owner of Rosemount Accounting Services Ltd, a practice that he set up after more than thirty-five years’ experience in the private sector of industry.

Graham commenced his career at ITW Ltd, the UK subsidiary of the large USA-based Fortune 500 company Illinois Tool Works Inc. Whilst with ITW, Graham rose to the position of European Controller of the highly successful Hi-Cone plastic multi-packaging business.

After ITW, Graham joined Fourways (London) Ltd, a manufacturer and importer of garden furniture, as Group Financial Controller.

His next role was again in manufacturing as Chief Financial Officer for Triax UK Ltd, a company that enjoyed a 70% share of the Sky TV satellite dish market.

For his last position Graham swapped industries and joined Hummingbird UK Ltd, subsequently acquired by Open Text Corporation, as UK Finance Manager for Canada’s largest software company.

During his career, Graham has gained extensive experience of all types of accounting including cost accounting, management accounting, financial accounting and the filing of statutory financial statements.

He is ideally placed to produce your business accounts, including

Meet Graham Trimming ACMA CGMA

value-add management accounts, and use his advanced IT skills to create reports for your Board, your investors or your bank.

Budgets, profit forecasts and cash forecasts are, likewise, no problem. Graham has done it all before.

The same applies to your VAT, Corporation Tax, PAYE and Self-Assessment. The burden on you just disappears leaving you to do what you do best - manage your business.

Graham Trimming ACMA CGMA is a Chartered Management Accountant and a Member in Practice of the Chartered Institute of Management Accountants.

Chartered Management Accountant




Our mission:

To help business owners succeed by providing them with useful and timely financial information.

Our values:

Honesty and integrity: we always act in an honest manner retaining the integrity both of our clients and ourselves.

Accuracy: we provide accurate and reliable information that our clients can trust.

Timeliness: we provide our clients with information at the time they need it.

Compliance: we take the pain of compliance away from our clients by preparing and submitting their deliverables accurately and on time.

Reliability: we do what we say we are going to do at the time we say we are going to do it.

Professionalism: we always uphold the ethics of the accountancy profession.