Constantine Law Limited

Constantine Law Limited: Established in 2015, Constantine Law, branded as “Employment and Regulatory Solutions at Work,” is a UK national law firm headquartered in London, with additional hubs in Manchester and Birmingham. The firm is partner-led and comprises a highly experienced team of employment, business immigration, regulatory, and business crime specialists. Operating with a streamlined, entrepreneurial structure, Constantine Law aims to deliver cost-effective, solutions-oriented advice while maintaining high professional standards.

The firm serves both employers and employees. For employers, it primarily acts for middle-market and owner-managed businesses, providing guidance on restrictive covenants, injunctive relief, employment agency and recruitment matters, complex discrimination and whistleblowing claims, TUPE due diligence, corporate support, contracts and handbooks, settlement agreements, and business immigration, including sponsor-licence support. For employees, Constantine Law advises senior executives, law firm partners, and wealth managers on high-value claims, partner exits, and settlement negotiations. Its dual expertise in employment and regulatory law also supports individuals facing workplace investigations and challenges.

Constantine Law’s regulatory and criminal investigations team advises professionals and businesses across legal, accountancy, financial services, and healthcare sectors in interactions with UK regulators and prosecuting authorities. Sarah Wallace leads a team providing specialist representation for individuals facing enforcement action.

The firm is an active member of professional and trade organisations, including the Employment Lawyers Association (ELA), Association of Partnership Practitioners, ILPA, APSCO, BITA, and WISE. Its lawyers regularly contribute to sector publications and policy discussions.

Languages: English
Staffing: 10 UK partners; 4 other UK fee-earners
Offices: 8 St James’ Square, London SW1Y 4JU, with hubs in Manchester and Birmingham
Principal Contact: John Hayes – John.Hayes@Constantinelaw.co.uk