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About Sumentic

A modern London accountancy firm serving the UK, Channel Islands and Isle of Man.

The firm

Finance and technology, handled together

SUMENTIC LTD (pronounced soo-MEN-tik) was incorporated in 2026 as a private limited company registered in England and Wales. We provide accounting, tax and advisory support alongside AI automation, IT and digital-asset services for clients in the UK, Channel Islands and Isle of Man.

We believe good accountancy is accurate, timely and easy to understand, and that technology should take the repetitive work out of finance so that people can focus on running their business.

Our approach is simple: understand the client, agree the scope in writing, work to professional standards and communicate clearly.

Our values

How we approach every engagement

Integrity

We follow the AAT Code of Professional Ethics: integrity, objectivity, professional competence and due care, confidentiality and professional behaviour.

Clarity

Plain-English advice and documents so you always know where you stand.

Technology

Smart use of cloud tools, automation and AI to improve accuracy and save time.

Confidentiality

Client information is handled securely and in line with UK GDPR.

Let’s talk about your business

Tell us what you need and we will explain how we can help — with no obligation.

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