Rhiannon Baynham

Senior manager, tax

Rhiannon Baynham is a senior tax manager, based in Bristol. She joined PKF Francis Clark in 2024, bringing high-level expertise to the corporate tax department. She focuses on larger corporates, handling both compliance and advisory work within the team.

With over eight years of experience at HMRC, Rhiannon has worked as an international and corporate tax specialist for large corporates and mid-sized businesses. She has extensive experience in:

  • HMRC enquiries
  • Complex corporation tax issues
  • Tax compliance
  • UK tax assurance rules
  • International tax issues
  • Transfer pricing.

Rhiannon holds a Bachelor of Arts (Hons) in Professional Studies in Taxation (Corporation Tax). She thrives in fast-paced environments and enjoys solving a range of complex problems.

Outside of work, she enjoys travelling, running and skiing.

Latest posts featuring Rhiannon

business people sit around a table and one, a man stands talking, they are in a modern office and all wearing smart suits

Corporate criminal offence (CCO): As enforcement activity ramps up, is your business ready?

16 September 2025

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A male and female co-worker sit in an office looking at a computer tablet.

A practical guide to UK corporate tax governance in 2025

25 August 2025

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A male and female colleague look down at a laptop screen while sitting in a modern glass walled office.

Pillar two and uncertainty in the US  

11 July 2025

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A person and two children stand in a grassy field near a metal fence, looking at cows grazing in the distance under a partly cloudy sky.

Balfour and Macdonald: Clarifying the rules on loss relief

4 July 2025

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Three individuals in business attire are seated around a table, engaged in a discussion while looking at a laptop and holding documents with charts.

Pillar 2: What you need to know before 30 June 2025

13 June 2025

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Three people in business attire are seated at a desk in an office, reviewing a document together. The person on the left is pointing at the document while the other two look on attentively.

HMRC’s consultation on transfer pricing: what you need to know

30 May 2025

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A group of six people in a modern office setting having a meeting around a glass conference table. One person is standing and speaking, while the others are seated and listening attentively.

A corporation tax view on the government’s spring tax update

6 May 2025

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A businessman and businesswoman chatting while walking down an office corridor.

Corporate interest restriction reporting: HMRC updates approach

17 April 2025

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A client listens intently to his accountant as she gestures to information on a clipboard.

Corporate Criminal Offence (CCO) – are you compliant?

6 February 2025

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A close-up of two colleagues' hands showing paperwork with graphs and charts.

Corporate tax roadmap revealed

30 October 2024

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Employees of Bristol, Francis Clark, tax team.

New recruits strengthen our Bristol corporate tax team

21 March 2024

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