Taxfix is an app that simplifies complex tax filing systems by offering a chat-like interface that only asks relevant questions to the user.

Taxfix is on a mission to help people get their maximum tax refund effortlessly, without needing prior tax knowledge.

Taxfix was founded in 2016 by Mathis Büchi and Lino Teuteberg. The company is headquartered in Berlin, Germany, with an office in Madrid, Spain.


Taxfix's tax-expert led app helps customers get back millions of euros in refunds every year. The company's smart app only asks the questions most important to you, saving you time and getting you back the maximum refund.


Taxfix played out mostly simply for people who do not have complicated tax profiles with different assets or other money sources in the balance.


Taxfix has had “millions” of downloads of its app across its three current markets of Germany, Spain and Italy up to now, working out to over $1 billion in taxes refunded for those who fill out their forms using its mobile assistant.


Taxfix is backed by Index Ventures, Valar Ventures, Teachers’ Venture Growth (TVG), Creandum, Redalpine, and others. The company raised $220M in Series D round on Apr 28, 2022. This brings Taxfix's total funding to $330M to date. The latest round mints Taxfix a unicorn with a valuation of over $1B post-money.



  • Year founded: 2016
  • Funding Info: $330M over 4 Rounds (Latest Funding Type: Series D)
  • Yearly Revenue: NA
  • Employee Size: 501-1,000
  • Business Valuation: Valued at over $1B as of Apr 28, 2022
  • City/Town: Berlin
  • State: Berlin
  • Country: Germany
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