About TK

We support your business

TK advocaten notarissen is a Dutch law firm with offices in Amsterdam (TKtech), Leiden and Alphen aan den Rijn. We represent and advise (international) businesses, institutions and private clients.

Our ambition

We translate complicated issues into legal solutions in the best and most practical way. Not only by providing expert advice, but also through our personal approach. Social commitment and energy are a major part of our culture, which is aimed at:

  • Enabling growth
  • Investing in our community
  • Working together


TK is an ever-developing law firm of attorneys-at-law and civil-law notaries, a market leader in the Leiden region, and one of the top law firms in the Netherlands. We operate from the heart of the Randstad, a megalopolis in the central-western Netherlands consisting primarily of the four largest Dutch cities (Amsterdam, Rotterdam, The Hague and Utrecht) and their surrounding areas. We share are knowledge through our own training institute, the TK Academy.


TK is known for its legal expertise, up to date market knowledge, and personal approach. In integrated specialist teams, our attorneys-at-law and civil-law notaries act swiftly and effectively. Quality and efficiency are key at any time. With short lines and dedicated specialists we provide the best legal solutions for the problems and challenges you encounter.


Jan Versteegh / managing partner attorneys-at-law
is an experienced director with extensive legal and business knowledge. In addition to the daily management of TK, Jan is engaged in complex administrative matters, mostly in the public domain. He is also the trusted advisor of many entrepreneurs.

Rik Kamps / managing partner civil-law notaries
has been a civil-law notary and a director since 1998. In addition to the daily management of TK, he is a qualified legal mediator, with a focus on mediating in disputes between directors and/or shareholders.