John McHarry

John McHarry

Chief Technology Officer

John joined Gravita in November 2023 as Chief Technology Officer, having previously led technology – both at a divisional and group level – at Kantar, a global data insights and professional services company.

John brings a wealth of experience in building and delivering platforms that enable companies to grow.

Away from the office, John enjoys family life, going out in London and any opportunity for being out in our great outdoors.

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Services

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Locations

London Office

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Leadership team

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Simon Gateley

Group Head of Operations and Transformation

Leadership team

London

Ruth Smyth

Group Chief People Officer

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London

Paul Berlyn

Managing Partner

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Bristol

Matthew Bracher

Regional Lead Partner

Leadership team

London

John McHarry

Chief Technology Officer

Leadership team

London

John Sheekey

Group COO

Leadership team

London

Heather Swanston

Chair

Meet the Whole Team

Insights

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Digital assets

What to do if you receive an HMRC letter about crypto tax

5th November 2025

Written by: Dion Laycock

HMRC has started contacting individuals it believes may have under-reported income or gains from crypto transactions. These “one to many” letters, often known as nudge letters, are being sent to taxpayers whose records suggest they...

Tax UK Budget Insights Autumn Budget 2025

Understanding the talk around a UK exit tax before the 2025 Budget

4th November 2025

Written by: Michaela Lamb

With less than a month to go before Rachel Reeves Autumn 2025 Budget, rumours are abound as to how she is going to plug the blackhole in the economy. From a Wealth Tax to the...

UK Budget Insights Personal finances Autumn Budget 2025

Budget 2025 predictions: Potential 1% hike in Basic Rate of Income Tax

29th October 2025

Written by: Nikhil Oza

The rumour mill will not stop spinning in the run up to the Chancellor’s Budget on 26th November 2025, but the latest news around Income Tax is likely to upset a huge proportion of the...

VAT

Understanding the changes to the VAT penalty regime

28th October 2025

Written by: Ashraf Cuerdo

Keeping on top of VAT obligations is more important than ever, and the rules around penalties have recently changed. If you want confidence that your business is staying compliant while managing cash flow effectively, our...

News and Economy VAT

Supreme Court decision in the Hotel La Tour case expected soon

27th October 2025

Written by: Sandy Cochrane

The Supreme Court is expected to release its decision shortly in the Hotel La Tour Limited case, which could have a major impact on how VAT is recovered on costs linked to share disposals. Talk...

UK Budget Insights Personal finances Autumn Budget 2025

Will the 2025 Autumn Budget make Family Investment Companies even more fashionable?

27th October 2025

Written by: Kelly Fern

Family Investment Companies (FICs) have been in fashion for several years now, and when structured correctly, they offer a flexible and tax-efficient alternative to traditional trusts when it comes to succession planning. With a FIC,...