Jonathan Sachs

Partner

+44 (0)20 7783 3646

+44 (0)7422 072525
[email protected]
Location

London

Profile

Services

Jonathan has over 30 years’ experience as a specialist claimant professional negligence lawyer dealing with both individual and group claims. He has won cases at the Supreme Court, the Court of Appeal and High Court and has also gained many settlements for his clients through mediation.

Jonathan has a calm approach to litigation and because of his experience he will often know and have a good relationship with his opponents.

He also conducts fraud claims often with an international element and has experience of all injunctive and enforcement applications.

In addition, Jonathan has a general corporate commercial practice.

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'He is very good at negotiation, which is his greatest skill, and he knows the law inside and out.'
Chambers 2025
'Jonathan's a very experienced litigator with excellent commercial awareness.'
Chambers 2025
'Jonathan has real expertise in this area.'
Chambers 2025
'Jonathan Sachs is a tenacious litigator. He is the general driving his cases with everyone else, including silks, usually in awe of his tactical analysis.’
Legal 500
'Jonathan is commercial, tactical and wears his knowledge of the law very lightly.'
Chambers UK, 2024
'Jonathan provides excellent client service. He is always willing to take time to discuss matters and provide advice.'
Chambers UK, 2024
‘Jonathan Sachs has an encyclopaedic knowledge of the law, which is married up with a tactical astuteness that makes him a formidable colleague and an even more formidable opponent.’
Legal 500 2024
‘Jonathan Sachs – the doyen of the commercial litigation world. He is extremely client friendly and a joy for Counsel to work with.’
Legal 500 2024
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Career Highlights

Acting successfully on the seminal notice period case of Newcastle v Haywood (2018) UKSC 22 at the Supreme Court, the important committal decision of Newson-Smith v Al Zawawi (2017) EWHC 1876 (QB), the tax professional negligence case of Shepherd v Byrne and Partners LLP (2017) EWHC 758 (ch) , the case of Frederick v Positive Solutions Ltd which settled shortly before the Supreme Court Appeal and the then leading professional negligence conveyancing case of Santander v RA Legal (2014) EWCA CIv 183
Successfully concluded after a contested trial a group claim against a solicitor arising from an Unauthorised Collective Investment scheme relating to the purchase of rooms in a hotel
Acted for an airline in freezing applications in cross border jurisdictions arising from a fraud
Defended a pensions company on a claim for £138 million by the Pensions Regulator