Sigma Accounting:


Sigma Accounting specialises in providing accountancy and business advisory services to owner managed businesses based on the Isle of Man.


For an informal discussion about how we can help you with the accountancy requirements of your business please contact us.

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SIGMA accounting

Sigma Accounting is registered in the Isle of Man (number 023280B)

and is a member of the ICAEW Practice Assurance Scheme.


VAT schemes:

In contrast to standard VAT accounting, there are several alternative ways you can account for VAT that could save you time and money.

Some of these VAT accounting schemes have been designed for specific trade sectors. Others have been designed to deal with more general business issues. Some of the schemes can be used together.

The pages below give more information on the three most common schemes.


The Cash Accounting Scheme


The Annual Accounting Scheme


The Flat Rate Scheme


These pages contain some public sector information licensed under the open government licence.