Welcome to
Warth & Klein Grant Thornton.

Warth & Klein Grant Thornton is one of the leading independently owned accounting firms in Germany. Being close to our clients is a key success factor. Find more about who we are at „About us“.

Film Reel

For more than a decade, we have provided services with Grant Thornton International. Now we have intensified our cooperation: we will be the exclusive member firm in Germany. Read our press release »

Global approach

Would you like to establish a subsidiary in China? Do you plan to acquire a company in Brazil and need a detailed and thorough due diligence of the target company? Learn more about it at “International”.

Ambition unites

Ambition unites.

Warth & Klein Grant Thornton has strengthened its market position through a strategic alliance with the audit company Treuhand Oldenburg, and has taken its place among the ten largest audit companies in Germany.

Personal, reliable and innovative.

Warth & Klein Grant Thornton is one of the leading independently owned accounting firms in Germany. Find more about who we are at About us.

From now on: Warth & Klein Grant Thornton.

Intensified cooperation with Grant Thornton International: we will be the exclusive member firm in Germany. Read our press release »

A different global approach.

Learn more about our gloabl approach at International.

Ambition unites.

Strategic alliance with Treuhand Oldenburg.
Press release »