John Hayes

Constantine Law was founded by John Hayes, one of London’s leading employment lawyers. John advises UK corporates in the financial services, employment agencies, retail and construction sectors.

He is also one of London’s leading solicitors in restrictive covenant disputes. John has a very solutions orientated and commercial approach.

John’s client base is entrepreneurial and this prompted him to set up Constantine Law. He is recognised in the Legal 500 and has previously headed the London employment team of a large national law firm.

John has particular expertise in business protection and works closely with some of the leading barristers in the field to protect his client’s commercial interests. He has great experience in the arena of a-typical working, including consultancy agreements, IR35, CIS and the tax implications of each. He works closely with leading accountants to provide joined-up solutions for his clients.

John is a member of the Employment Lawyers Association and the leading Irish entrepreneurial organisation, the Irish International Business Network (IIBN). He is also an active member of the Institute of Directors (IOD). John is a contributor to the Huffington Post and appears regularly on news media including the LBC and Television. He is a regular contributor to leading trade magazines on employment matters.

John is married to Ceri, with three children, Joseph, Theo and Aoife. He is a member of the Hampstead Triathlon Club and raises money through Olympic distance triathlons. His other main passions are public affairs (standing in the 1997 General Election) and London’s cultural scene.