Callum is Head of Technology and Commercial and leads the firm’s Band 1 ranked Technology practice. He has worked in the field of information and communications technology law for over 25 years and has a life-long passion for technology. He specialises in a broad range of technology and sourcing projects for clients on both customer and supplier side, principally in the regulated utilities, financial services and public sectors. This includes ICT procurement and sourcing, enterprise cloud and digital transformation deals, and AI and cyber advisory work.

Callum is a recognised thought-leader in Technology, having been named in the UK Lawyer magazine’s “Hot 100”, in The Times’ Digital List of 100 people from Scotland’s digital technologies industry who are “changing the world”, and is a past winner of the Leadership Award at the ScotlandIS Digital Tech Awards.

He is a published co-author of “Outsourcing” (Globe Law & Business), and features in a number of other publications, including “LinkedIn for Lawyers” (2nd. Edition, LexisNexis NZ). He also blogs and speaks regularly at conferences, tailored client training, and on webinars.

Callum is a serving Board Member of ScotlandIS (the representative trade body for the digital industries in Scotland), a former member of the Scottish AI Alliance Leadership Group, and part of the Scottish Government’s Digital Assets Expert Reference Group.  He is also a former member of the Law Society of Scotland Technology Committee. Callum has in-house experience, having completed a six-month senior secondment to the legal team at Clydesale Yorkshire Bank (now Virgin Money).

Callum chairs the IT Contracting and Advisory Special Interest Group of the Lex Mundi international alliance of premium in-market independent law firms (of which Burness Paull is the only UK headquartered member).

has a formidable market reputation for his IT work”; “sources say he is ‘exceptionally good in negotiations" and find his "clarity of thinking extraordinary’

Chambers and Partners UK

Easy to work with, relaxed and friendly, and a fast mover. Commercial and practical." "A very bright guy, good at what he does and incredibly calm.

Chambers and Partners UK

Callum Sinclair makes you feel like a valued client, he’s hugely enthusiastic and very personable whilst delivering excellent work

Legal 500 UK

Related Insights

Risk Conference Series5

Risk Resilience in 2025

26/03/2025


Join our expert team to consider the top issues that we believe should be on your risk register in 2025.

Read more
Thumbnail Threat Landscape

Cyber Crime in the Trust Economy: Navigating an evolving threat landscape

Read our latest Trust Economy paper here.

Read more
Is A Ban On Payments To Hackers The Answer To The Growing Threat Of Ransomware

Is a ban on payments to hackers the answer to the growing threat of ransomware?

Ransomware continues to be a fast-growing and hugely damaging form of cyber attack. It is believed to have earned criminal gangs over $1billion in 2023 and shows no sign of abating in 2025.

Read more

Want to hear more from us?

Subscribe here