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John Griffin, the founder of Addison Lee, has been ordered to pay £20.5 million in taxes by a London tribunal after his claim for non-UK domicile status was dismissed. The ruling came following HM Revenue and Customs' challenge to Griffin’s tax returns from 2013 to 2020, which he had filed based on his Irish domicile claims despite living primarily in the UK since childhood. The tribunal concluded that England was Griffin's permanent home due to his significant ties and activities there over many years.
Written locally by qwen2.5:14b on 2026-09-18,
using this article's own text rather than the other coverage of the
same event (that is the story summary below).
Story summary
The founder of Addison Lee, John Griffin, now owes £20.5 million in tax after a tribunal dismissed his claim to be treated as a non-UK domiciled individual (nom-dom). Griffin argued that Ireland should be considered his home due to his strong connection to the country and his Irish heritage. Born to Irish parents in 1942, Griffin lived briefly in Ireland before moving to London at age nine. Despite this, HM Revenue and Customs (HMRC) challenged Griffin's domicile status on his self-assessment tax returns from 2013 to 2020, arguing that England should be considered his home due to his family life and business activities there. The tribunal ruled in favor of HMRC, stating that Griffin had settled in England by April 5, 2013, negating his claim to avoid UK tax rates on foreign earnings kept outside the country.
Written for “Addison Lee Tax Debt” on 2026-09-18,
grounded in this article and the 0 other(s) covering the same event.
Why this leaning score
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answer rather than a gap: a match report or a rescue can be warmly
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No political leaning scored for article 17147 · logged 2026-09-18
The founder of Addison Lee owes £20.5m in tax after a tribunal dismissed a claim that he should be treated as a nom-dom despite living in the UK since childhood.
uncertain
he → owe → childhood
John Griffin had argued he should be treated as a nom-dom due to his connection to Ireland, saying: “I was and am besotted with Ireland, infatuated with Ireland.
asserted
I → argue → Ireland
I believe that I have always been and am Irish.”
asserted
I → believe → ?
HM Revenue and Customs challenged the domicile status on Griffin’s self-assessment tax returns from 2013 to 2020, which would have allowed the 84-year-old not to pay UK tax rates on foreign earnings kept outside the country.
asserted
old → challenge → country
This week, a London tribunal ruled in the tax authority’s favour.
asserted
tribunal → rule → favour
Griffin was born to Irish parents in 1942 and briefly lived there until he moved to London at the age of nine, according to tribunal documents.
uncertain
he → bear → documents
HMRC argued that England should be considered Griffin’s home, with the businessman raising a family in Hertfordshire and building his London-based taxi empire, having founded Addison Lee in 1975.
asserted
businessman → argue → 1975
Tribunal judge Michaela Snelders and tribunal member Gill Hunter said: “We are satisfied that by 5 April 2013, Sir John had settled in England in every meaningful sense.”
asserted
John → say → sense
“England was where he had established his home, raised his family, built his business, accumulated his wealth and organised his personal, social and professional life.
asserted
he → establish → life
“Although he retained a powerful emotional attachment to Ireland and a genuine hope that he might one day spend more time there, those sentiments never crystallised into a sufficiently definite intention to make Ireland his permanent home.”
uncertain
Ireland → retain → intention
The tax chamber tribunal was told Griffin spent eight nights in Ireland in 2015, one of the years he claimed to be domiciled there, which the chamber ruled was “inconsistent with someone seriously preparing for permanent relocation”.
asserted
chamber → tell → relocation
As part of his appeal against HMRC’s stance, Griffin had argued that his domicile should be the same as his father, Jack, who had come to England from Ireland in search of work in 1935.
asserted
who → argue → 1935
Legal counsel for HMRC, however, said Griffin’s domicile status under UK law would have changed when his father’s domicile of choice became England.
asserted
domicile → say → choice
They argued it had done so some time before Griffin reached adulthood at the age of 21 in 1963.
asserted
Griffin → argue → 1963
The tribunal agreed with HMRC’s stance.
asserted
tribunal → agree → stance
The ruling caps off a long-running inquiry into Griffin’s tax affairs and reflects the period after he sold Addison Lee to private equity firm the Carlyle Group in 2013.
asserted
he → cap → 2013
The business was reported to be worth £300m at the time.
asserted
business → report → time
Having Irish domicile would have potentially allowed Griffin to avoid being taxed on earnings made outside the UK, a legal benefit of being classified as a nom-dom.
asserted
Griffin → have → dom
The tribunal’s ruling makes his worldwide income from the period subject to UK tax rules, with HMRC calculating that he owes an additional £20.5m covering the seven-year period.
asserted
he → make → period
Nom-dom status was scrapped by the Labour UK government in April 2025, following a promise a year earlier by Rishi Sunak’s Conservative administration to do the same.
asserted
status → scrap → same
Griffin, knighted in 2024 for services to business and charity, did not give evidence in person to the tribunal after HMRC accepted he was not medically fit to do so due to “cognitive decline”.
asserted
he → knight → decline
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