Oak Tree Taxation
US and UK personal tax advice and compliance for individuals with cross-border and complex filing needs
Highlights
- Young companyFounded 2023
- New on EvolcAdded 2026-11-10
About Oak Tree Taxation
Harrison Swift provides US and UK personal tax advice, tax return preparation, compliance, planning and disclosure services. Its work includes expatriate taxation and filings involving partnerships, LLCs, trusts and investment structures.
The firm serves high-net-worth individuals, cross-border investors and other taxpayers with complex filing requirements. It is based in London and was founded in 2023.
Product: US and UK personal tax advisory, preparation, compliance, planning and disclosure services.
Jobs at Oak Tree Taxation
Leadership
- Tom Griffiths · FounderSource: company website
- Courtney Griffiths · Director of OperationsSource: company website
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Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
Analytics
- Google Analytics 4High confidence
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- Website resourcedeclared script/iframe or software asset
- Google Tag ManagerMedium confidence
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- Integration code on pageinline script loader
Content delivery
- CloudflareHigh confidence
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- Response headerserver
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Content management
- ElementorHigh confidence
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- WordPressHigh confidence
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Forms
- Contact Form 7High confidence
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- Website resourcedeclared script/iframe or software asset
- Google reCAPTCHAHigh confidence
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- Website resourcedeclared script/iframe or software asset
- WPFormsHigh confidence
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- Website resourcedeclared script/iframe or software asset
Frontend frameworks
- jQueryHigh confidence
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- Website resourcedeclared script/iframe or software asset
Privacy & consent
- TermlyHigh confidence
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- Website resourcedeclared script/iframe or software asset
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.