Karen Holden

Founder & Managing Director 

Founder & Managing Director

Karen, the visionary founder of A City Law Firm, brings a wealth of expertise since her admission to the roll in 2005. Her entrepreneurial spirit has propelled the firm into a niche emerging technology sector, driving change and innovation.

With a Law degree and a Master’s from the University of Cambridge, Karen’s journey to success was marked by her simultaneous pursuit of higher education while serving in senior management within the public sector.

Specialising in empowering founders on their growth journey, Karen provides strategic guidance to scale effectively. From preparing for investment rounds to safeguarding intellectual property rights, Karen equips founders to navigate every step of their journey with confidence and precision. Karen and her team specialise in the disruptive technology sector such as AI, Blockchain, cryptocurrency and autonomous flying vehicles such as drones. Drafting bespoke and tailored documents for future regulations and emerging technologies where the regulations have not yet kept up she pushes the boundaries.

Expert talks

Recognised as a thought leader, Karen frequently speaks at prestigious events and universities, including hosting the annual NatWest international women’s day conference , small business reasearch centre , innovate U.K.,the House of Lords and Oxford University. She can also be found on the radio and at the spearhead of the female founders growth initiative hosting Events for female founders rapidly scaling their business & preparing for investment.


Karen’s trailblazing approach has earned her numerous accolades, including Best Business Women in Legal Services and Legal Advisor of the Year. Female champion by rising stars We Are City for her work assisting female founders. Her employment team one employment lawyers of the year through the solicitors journal. The law firm itself most innovative law firm, London.

She has a commitment to drive equality, evidenced by her Freedom of the City honor in 2019, whereby she was invited as one of the leading 100 females in the UK, which underscores her dedication to making a difference. This is accompanied by her gaining an Albert for her charitable contribution to the Albert Kennedy trust supporting the LGBT community.

Recent cases

Recent highlights of Karen’s work include assisting UK companies expanding into the USA & Dubai , resolving several high-profile overseas disputes, acting for a member of overseas royalty and championing discrimination for a knighted Sir. Her client is preparing for investment and negotiating these deals having included drones, AI, autonomous flying vehicles, e-commerce platforms and regulated Fintech businesses.

Karen’s influence extends far beyond the legal realm, shaping the landscape of diversity and inclusion and inspiring future generations of legal professionals.



Karen is highly regarded by her clients. Her longest standing client of 17 years say’s ‘she has a command of litigation and her robust approach has always proven successful for our company. It’s her initiative and drive that means we achieve results, even my opponent after he lost to us engaged her afterwards he was that impressed’



Read more on her expert opinion in the employment publications HR Grapevine, elite Business for SMEs, enterprise times for emerging businesses, working mums, we Are City publications and often find us in national magazines and newspapers along with other specialist publications. Also check out our articles page for thought leadership and bespoke tailored articles to assist our founders.


Karen was invited and given freedom of the City in 2019 for her work in Equality as such is part of the Guild of Freeman. She has also attended 10 Downing Street where she was awarded small business of the year.

She has won Best Business Women in Legal Services and Legal advisor of the year , whilst her firm maintains its listing in the Legal 500 year upon year and has been shortlisted by the Law Society Excellence in Law. This is due to her entrepreneurial approach to law. Her team has also won Employment Team of the year from the Solicitors Journal and Most Innovative Law Firm, London.

Karen was given an Albert for her charitable work for the Albert Kennedy Trust for setting up and running a successful, exclusive members networking group that boosted business in the LGBT business world whilst assisting AKT’s charity.



Karen is frequently asked to give specialist talks and give expert advice at the Law Society, University of Law and Oxford University, Business Funding Show and Natwest events across London. She has also appeared on various radio stations.

She publishes monthly blogs in working mums, Enterprise times , Elite Business and HR Grapevine ,which advises entrepreneurs and businesses.

Karen can be seen giving comments or articles in the Independent, Home & Country magazine, the Guardian, the Daily Mail, London Loves Business, Grazia, Intercontinental Law & Finance Magazine, Innovation Enterprise, We are your City, Wealth & Finance International First Women, Just Entrepreneurs to name but a few.

Recent Work

  • Assistance with UK company launching into the USA coordinating array of USA Attorneys;
  • High profile overseas royal family member’s overseas Trust dispute;
  • Pro bono High Court case regarding a transgender parent application to change the law
  • Sports sponsorship termination dispute between Argentina and the UK (£250,000);
  • Successful High Court freezing order/injunction & civil claim and assisting with the criminal/private prosecution of the same party for fraud, theft and deception (£263,000);
  • Settling a Transgender discrimination case for a large compensation sum without the stress of court;
  • Broadcasting license deal, film production bond, royalty agreement & associated documents for a group company (current worth 11 Million);
  • Vice President employment dispute concluding in a confidential settlement agreement (1.3Million)
    Executive Director sex discrimination & Harassment claim settled (£234,000).

Karen Holden

T: 020 7426 0382

E: karen@acitylawfirm.com


Quick Contact

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We can usually offer a free consultation to businesses before you commit to any particular type of legal action or commercial project. All your business requirements can be handled under one roof by our team. Simply call our client management department for a free consultation or no-obligation quotation for our services.

What do our clients say about Karen?

“I am pleased to say that the service provided by Karen and her team was exceptional. The work was completed in a timely manner, and queries were raised promptly from the legal side. Similarly, queries of my own were responded to in an efficient and highly professional way. This excellent communication allowed documents to be amended and finalised to a very high standard in time for our deadline. I would not hesitate to recommend Karen and her team to other businesses looking to complete legal documents and wish the company all the best in servicing SMEs in future.”

Ben Lobel – smallbusiness.co.uk


“We are lucky to have Karen Holden in the drone community.  Out of all the legal firms (and they are many) I have interacted with, Karen has been the most approachable and dynamic.  A real pleasure to work with.”

Chairperson – Comit Projects