What we do

We free up your time to focus on the really important numbers - customers, sales and profits.

Business Accounting

You’re passionate about growing your business and being successful. We are too.

Regardless of whether you just need help with bookkeeping or want to computerise all of your business accounting, Sigma can help. We’ll help you run your business better, understand how well you’re doing and focus on future growth.

Explore our business accounting services below or get in touch to see how we can help.

Business Accounting
Cloud Accounting
Company Formation


We are members of the Institute of Chartered Accountants in England and Wales. Our specialists have experience transforming the fortunes of owner-managed businesses by preparing them for sustainable growth.

Tax Management

Your tax circumstances and needs are unique to you and so is our specialist advice.

Whether you need immediate help or are looking for more efficient ways to manage tax in the longer term, Sigma will first understand what you’re trying to achieve and then recommend practical measures to help you take control of your tax.

Explore our tax management services below or get in touch to see how we can help.

HMRC Investigation Management
Tax Advice & Planning
Tax Compliance
Tax Incentives & Reliefs


Our specialists have extensive experience managing the taxation affairs of clients ranging in size from individuals, all the way up to the NHS.

“Due to the regulated nature of our profession and the detailed bookkeeping requirements, we have found Sigma’s input to have been very important to the development and compliance of our practice.”

Tell us a bit about your business.