Navigating you towards the right resolution.

We are specialists in dealing with a variety of tax investigations and enquiries whether they are instigated by HMRC or when a client wishes to make a voluntary disclosure.

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Helping you through complex processes.

We help clients navigate the intricacies of tax investigations and enquiries, offering comprehensive support and strategic guidance at every stage.

Our support typically includes:

Disputes covering all main UK taxes and HMRC investigations
Insolvency arrangements
Disclosing offshore matters under Worldwide Disclosure Facility
Property income under the Let Property Campaign
Matters under HMRC’s Digital Disclosure Service
Complex technical disclosures under COP8
Voluntary disclosures of deliberate tax errors under COP9
Alternative Disputes Resolution
Litigation through the UK’s First Tier Tax Tribunal all the way to the European Court of Justice

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Turning tax complexity into certainty.

Our approach is rooted in a deep understanding of tax laws, regulations, and procedures, coupled with a commitment to delivering tailored dispute resolutions strategies that address the unique circumstances of each case.

Trusted advisers to businesses and individuals.

Supporting individuals and businesses at every stage.

We act for a wide range of clients — from individual clients to large corporates and international groups — delivering the same level of precision, care and strategic insight to every engagement.

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Personal service, backed by national strength.

You receive thoughtful, tailored advice from experienced tax specialists who take the time to understand your circumstances. With the national expertise of Sumer Group behind us, we can support even the most complex matters.