LAWYER PROFILE
Mark Lilley-Tams

Mark Lilley-Tams

UK 2026

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Ranked in 1 practice area

Contributions and articles

1 Articles, Press releases, highlights

About

Provided by OTB Legal

UK

Practice Areas

Mark specialises in personal immigration matter (family type applications, long residence, British citizenship and EU Settlement Scheme). Mark has a large amount of experience of complex cases and judicial review applications, as well as appeals to the higher courts. Mark also has extensive experience representing clients who are facing deprivation of their British citizenship.

Career

Mark is head of the Personal Immigration Team at OTB Legal and co-founded the firm. Having completed a law degree, followed by a Masters in Human Rights Law at the University of Nottingham, Mark has worked in the area of Immigration Law since 2006. Over this time, Mark has developed his expertise in Immigration Law and is well known for his in-depth knowledge of the law and his focus on achieving excellent outcomes for his clients. Before becoming a Director at OTB Legal, Mark was head of the Personal Immigration Team at one of the largest niche Immigration Practices outside of London.

In the Times list of 200 best law firms, Mark has been described as ‘renowned’ for his work representing detained clients and seeking compensation. Mark has also been recognised in independent legal directories ‘Chambers and Partners’ and ‘The Legal 500’ for his work in immigration law.

Mark has delivered training on behalf of ILPA on Judicial Review and presented at ILPA’s annual general meeting in 2017 on the area of Administrative Review. Mark has also been delivering workshops and training to Universities and Corporations on the impact of Brexit and on the Settled Status Scheme.

In addition to Mark’s representation of immigration clients, he has served on the Panel for the Legal Aid Agency as an Independent Funding and Costs Adjudicator, making important appeal decisions on whether clients should be entitled to legal aid services. Mark has also worked as a Peer Reviewer in the field of Immigration and Asylum for the Ministry of Justice, conducting audits of the quality of work carried out by other Practitioners to determine whether they are meeting their obligations to deliver legal aid services.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Immigration: Personal - UK-wide

Band 2
Band 2

Individual Editorial
Mark Lilley-Tams is a seasoned immigration partner with significant expertise across personal immigration. He is best known for his work on nationality matters and often handles complex deprivation of citizenship cases, as well as judicial reviews.

Strengths

Provided by Chambers

  • He is very professional but at the same time very caring.

    Immigration: PersonalChambers Guide to the Legal Profession
  • Mark manages stressful cases with a high level of calm.

    Immigration: PersonalChambers Guide to the Legal Profession
  • Mark is down to earth and very sincere, so I always had peace of mind when approaching him with my immigration concerns. He always gave unbiased, sound advice.

    Immigration: PersonalChambers Guide to the Legal Profession

Ranked Individuals at OTB Legal (4)

Other lawyers

UK-wide

Articles, Highlights and Press Releases

1 item provided by OTB Legal

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