Clarity in complex environments.

Investigative lawyers supporting sensitive matters across borders.

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  • Warden Consulting at a Glance:

  • 40+ Years Experience

  • 100+ Undercover Operations

  • Cases in over 20 countries

About the Founder

“Crimetime” is the bestselling memoir of our founder, Mark van Leewarden—chronicling his undercover life and journey to becoming one of the world’s most successful fraud investigators.

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Book cover titled "Crimetime: From Undercover Cop to International Investigator" with a black and white photo of two people walking past cars on a city street. The cover features a red stamp-like label with "Code Name: Emu" and black bars covering some text. Author is Mark Van Leewarden, with a quote by Alan Duff at the bottom.

“We’ve worked with Warden Consulting on a continuing basis for more than twenty years. They’ve supported us across multiple parts of the business nationwide, and the value delivered has been many times the cost of engagement.”

CEO | International Freight Company

“Warden gave us clear facts in Mexico fast — discreetly, thoroughly, and in a format our legal team could use.”

— General Counsel | Multinational Company

Past cooperation includes

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Contact us.

All communications are strictly confidential.

CALL us:


USA +1 646 931 0281

MX +52 55 9602 3333

UK +44 7700 104653

NZ +64 9 414 4252

AU +61 488 277 788