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Mark Callaghan

  • Senior Associate
  • London
Mark Callaghan advises on the full range of employment law matters, with a particular focus on clients who have international operations and/or face multi-jurisdictional employment law challenges.
  • Office: +44 (0)20 3743 7900
  • Mob: +44 (0)7443 063590
mcallaghan@littler.co.uk
Profile
Mark Callaghan

Mark particularly enjoys finding solutions to knotty employee relations issues regarding (amongst other things) performance, redundancies, disciplinaries and grievances, and post-termination restrictions. His advice is pragmatic and empathetic.

Mark previously worked as the sole in-house employment lawyer at a tech-driven information services company, covering labour issues across ten jurisdictions and an employee population of c.1800.

Mark is a member of the Employment Lawyers Association.

Mark provides “comprehensive advice and solutions, no matter how big or small the concern is” and is trusted by clients for his “sound knowledge and judgement.”

Legal 500

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Practice Areas:

Compliance & Advisory

International Employment Law

Redundancy & Business Restructuring

Whistleblowing & Investigations

Recent Insights

Take a look at some of Mark Callaghan’s recent Insights.
All Insights

ASAP

April is upon us, which means that, as with every year, new statutory rates and limits have been introduced in England and Wales. We set out the key rates below.

April 2025: Key Changes to Statutory Rates and Limits

  • 3 min read

News & Analysis

We set out the latest developments on the Government’s proposals in regards to ethnicity and disability pay gap reporting.

Consultation on Ethnicity and Disability Pay Gap Reporting

  • 5 min read

ASAP

With more conversations about neurodiversity taking place, we summarise the key practical pieces of advice from Acas' recently published guidance on neurodiversity at work. 

Neurodiversity Celebration Week: translating neurodiversity into neuroinclusivity at work

  • 3 min read

Blog

The team at Santa’s workshop may excel at crafting toys and spreading joy, but even the most magical workplace faces HR challenges when employment laws evolve.

Santa’s workshop: navigating a winter wonderland of new employment laws

  • 3 min read

Blog

The 2024 Paris Olympics graced us with many incredible sporting moments and demonstrated the dedication and commitment that athletes put into competing for their country at the highest level.

Time off for elite sport: going for gold

  • 5 min read

Blog

As the world watched the greatest athletes compete against each other, we here at Littler were naturally left wondering how athletes who have full-time jobs manage to balance their gruelling training and competition schedules with the commitment that comes with being employed.  

Sports in the news – what do the employment lawyers think this August?

  • 5 min read

In the Press

Data obtained by employment law firm Littler highlighted the number of men in receipt of statutory paternity pay (SPP) in 2023 was 195,300, despite there being 605,000 births in the UK last year. 

Statutory paternity pay uptake falls amid financial pressures, Littler data shows

  • 1 min read

Blog

Sports in the News: disciplinary action based on an employee’s gambling addiction is therefore more fraught and complicated than it may first seem – employers should not assume that disciplinary action is a home-run.

Baseball and bookmakers: what to do when your employees engage in illegal activity

  • 1 min read

Legislation & Case Update

When parties enter into a settlement agreement, they want to have certainty that they have effectively drawn a line under the matters that have been addressed.

Bathgate: can settlement agreements be used to settle unknown future claims?

  • 10 min read

In the Press

We are delighted to have been awarded the Future of Legal Services Innovation Award in the Small-sized Private Practice category at Legal Week's Innovation Awards ceremony.

Winners of Legal Week’s Future of Legal Services Innovation Award 2020

  • 1 min read

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