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Sarah Williamson

Partner and Head of Commercial

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Sarah Williamson is a Partner and Head of Boyes Turner’s Commercial & Technology team specialising in complex technology, digital and commercial arrangements for a diverse client base ranging from emerging growth companies to established international businesses.

Sarah has extensive experience advising on a broad range of commercial contracts including those with an international aspect. She specialises in technology and digital media and acts for well-known online publishers. She also has experience in marketing and advertising in creative and media sectors and has advised a number of creative and digital agencies and online platforms.

Through the team’s outsourced legal counsel service, Sarah acts as a seamless extension of her clients’ in-house legal function, or as their sole legal adviser, delivering pragmatic, commercially driven guidance that supports business growth, innovation and strategic decision-making.

Sarah is also an experienced data protection lawyer and holds the Certified Information Privacy Professional/Europe (CIPP/EU) certification with the IAPP. She advises on compliance with data protection and e-privacy laws particularly in the technology and marketing sectors and has written a number of articles for external publications.



Sarah's awards and recognitions

  • Leading partner – Legal 500
  • Leading individual – Legal 500
  • Band 1, Information technology, individual – Chambers
  • Band 2 – Information technology, group – Chambers
  • Band 1 – IT and telecoms, South East, group (12 years+) – Legal 500
  • Band 2 – Media & Entertainment, South East, group – Legal 500
  • Band 2 – Intellectual Property, South East, group – Legal 500

Sarah's accreditations

  • Society for Computers and Law member
  • Certified Information Privacy Professional
  • Europe (CIPP/EU) certification

Sarah Williamson's expertise

Commercial Contract Lawyers

Specialists in commercial contracts & agreements, managing risk, optimising relationships to increase profitability & accelerate growth.
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Data protection

Data Protection Solicitors providing expert legal advice on compliance, breaches, audits, and regulatory investigations.
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Regulatory & compliance

Data Protection Solicitors providing expert legal advice on compliance, breaches, audits, and regulatory investigations.
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Intellectual property

We have a specialist intellectual property law team, helping clients identify, protect & profit from their business assets.
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Trademarks

Expert UK trade mark solicitors offering brand protection, trademark registration, and legal advice to safeguard your businesses assets.
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Technology, media & telecoms

We have worked with technology solutions providers over many decades and are recognised by the leading legal commentators as leaders...
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Contact Sarah Williamson

Please complete the enquiry form and Sarah will respond to your enquiry as soon as possible.

Or get in touch by phone:

0118 952 7240

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Adopting consumer facing AI agents: CMA guidance for UK businesses

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No liability exemption from data protection obligations for online marketplaces

On the 2nd December 2025, the Court of Justice of the European Union (ECJ) ruled that an online marketplace may be a (joint) controller of personal data included in user generated adverts published on its...
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Data Use and Access Act 2025: what does it mean for your business?

The Data Use and Access Act 2025 (DUAA) received Royal Assent on 19th June, implementing a reform of data laws and updating existing UK data protection legislation (including UK GDPR). The governments objectives for the...
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CMAs provisional findings regarding cloud services market investigation

On 28th January 2025, the Competition and Markets Authority (CMA) published their provisional decision following their investigation into the supply of public cloud infrastructure in the UK, the purpose of which, was to identify if...
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SaaS subscriptions – sale of goods for the purpose of the Commercial Agents Regulations?

In the recent case of Kompaktwerk GmbH v LivePerson Netherlands B.V the Commercial Court ruled that a time-limited SaaS subscription was not a sale of goods under the Commercial Agents (Council Directive) Regulations 1993 (Commercial...
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Commercial & technology – advising on commercial agreements and negotiations

https://youtu.be/0FuOz0ymxaw Sarah Williamson, Head of Commercial & Technology, and her team advise primarily on commercial agreements, covering an array of sectors such as technology and media, marketing and advertising and intellectual property. They also advise...
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Whats on the horizon? A look at some of the legislation working its way through Parliament

In our Whats on the horizon series we keep an eye on some of the legislation working its way through Parliament to give you a heads up of what may be in store and what...
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Competition: a new kid on the block (exemption)

Under the Competition Act 1998, agreements and arrangements that restrict competition in the UK are prohibited. A safe harbour was providedvertical agreements if they met the requirements of the EUs Vertical Agreements Block Exemption Regulation...
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