Employment Law

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For further advice please contact us for a consultation.


UK Contact

+44 (0)3330 143 401

Germany Contact

+49 30 220 131-000


Employment Law


Thalis has a niche in the claimant employment market, running some very high value cases and a test case attracting media interest from television and a broad spread of media. He has specialised in employment law for nearly 20 years. His clients describe his work as ‘Outstanding’.

He is able to advise senior executives on all aspects of contentious and non-contentious employment law including: exit packages, internal grievances and disciplinaries, litigating matters in the employment tribunal and civil courts, partnership agreements, management of employees on team moves, permanent health insurance, unfair dismissal, discrimination, harassment, whistleblowing, victimisation, post termination restrictive covenants, injunctive relief, contracts of employment and service agreements.

His roles have seen him lead teams, create new products and provide excellent client service. Thalis’ practice also encompasses advising small to medium enterprises on contracts, staff manuals, retention and recruitment policies and termination agreements.

His work with senior executives has expanded his practice in advising on shareholder disputes and high stakes commercial contract disputes.

Thalis Advises

  • Legal and financial services, including solicitors, traders, brokers, Chief Operating Officers, Chief Financial Officers, Chief Executive Officers.
  • Accountancy
  • Media
  • Recruitment
  • Wealth management

Experience Highlights

Tribunal cases 

Work highlights

  • Advising on a partnership exit from a top 4 accountancy practice at a value of £1,500,000.
  • Acted on behalf of a broker for one of the major brokerage institutions on a claim where he was being sued for £1,500,000.
  • Acted on a secondment agreement to the US, with a value to the client in terms of income and salary at £2,000,000 over a one year fixed period with extensive claw back provisions.
  • Advising a Chief Financial Officer on alleged conduct and performance issues raised against him and successfully avoiding any disciplinary sanctions being imposed on him.
  • Advising a Chief Financial Officer on an exit package, including advising on the short term and long term incentive plans and tax issues on employment outside of the UK.
  • Advising a Research Team on a successful team move from an investment bank.
  • He has been instructed in sex discrimination claims against investment banks and have advised on test cases which have set legal precedents.
  • Advised senior executives and finance directors on exit packages.
  • Advised management employees on team moves.
  • He has been instructed in the Employment Appeal Tribunal and the Court of Appeal
  • Represented clients in hearings ranging from 5–35 day discrimination and whistleblowing claims, some of which have attracted extensive media attention.
  • Advising on an associative disability discrimination claim against a multi-national media company. This progressed to the Employment Tribunal.
  • Advised two brokers / bankers on an exit package within the background of FCA disciplinary issues.
  • Advised various bankers on exits from a large investment bank.
  • Advised banker on potential claim against large brokerage firm for sex and disability discrimination.
  • Advised on prospective TUPE claims against a multi-national company.
  • Obtained a successful outcome in the Employment Tribunal for breach of contract and with a successful costs order at in excess of £11,000.
  • Advising on a failure to pay a retention bonus in the civil courts at in excess of £120,000 with insurance backed litigation support.
  • Acted on claim for Permanent Health Insurance on behalf of a client and recovered £450,000 increasing the original offer by over 6 times.
  • Acted on a settlement agreement at a value of £600,000 with multi-jurisdictional tax implications.
  • Advises regularly on enforceability of restrictive covenants and strategy on obtaining waivers.
  • Advised a team of researchers on a move from a major banking institution to another.
  • Advised on an internal grievance against a major bank for a client and obtained in excess of £150,000 from a basic salary of £60,000 per annum.
  • Acted on a shareholders’ dispute recovering £1,200,000 for the clients.



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Commenting on Sexual Harassment survey for People Management magazine

Commenting on excessive internet browsing in the workplace for People Management magazine

Commenting on unfair dismissal tribunal in People Management magazine

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Thalis comments: More than a quarter of jobs have changed as a result of coronavirus, poll reveals

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Colour blind police officer stripped of driving duties was discriminated against, tribunal rules

A quarter of young women fear they could be fired for reporting sexual harassment

Teamwork in a fee share model — Alex Vlachos and Thalis Vlachos

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Career History

Previous Law Firms

  • Hine Legal, London — Partner
  • Slater & Gordon, London — Solicitor in the senior executive team, Employment Department
  • Access Legal (Shoosmiths) — Head of Employment Department
  • Lyons Davidson Solicitors — Employment Solicitor and Team Leader
  • TV Edwards, London — Assistant Employment solicitor
  • Goldwater & Co Solicitors — Trainee to Associate


  • College of Law, London — Legal Practice Course / Professional Skills Course
  • Southampton University — LLB Law