About
Taxfix is Europe's leading digital tax filing platform. Unicorn at $1B+ valuation after $220M Series D led by Ontario Teachers. 6M+ tax returns submitted across Germany, UK, Spain. Recovered €4.5B+ for users. 5M+ app downloads. Doubled revenue Q1 2024 while expanding to Spain. 500+ employees in Berlin and Madrid. Costs €39.99 per submission or 20% of refund for expert service. Founded 2016 by Mathis Büchi and Lino Teuteberg.
Key Facts
- [1]Founded: Founded in 2016 in Berlin, Germany.
- [2]Funding: Total funding: $330M. Last round: Apr 2022. Stage: Late Stage.
- [3]Employees: Employee count: 201-500.
- [4]Website: Official website: taxfix.de.
- [5]AI Technology: Core AI/ML technologies: Predictive ML.
- [6]Region: Region: EMEA (Germany).
Founders
Mathis Büchi
Co-founder & CEO
Lino Teuteberg
Co-founder
AI Technology
Predictive ML
Traditional ML algorithms for classification, regression, and scoring models
Classification
Market Segments
Tech Stack Layers
Details
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View allFrequently Asked Questions
What is Taxfix?
Taxfix is Europe's leading digital tax filing platform. Unicorn at $1B+ valuation after $220M Series D led by Ontario Teachers. 6M+ tax returns submitted across Germany, UK, Spain. Recovered €4.5B+ for users. 5M+ app downloads. Doubled revenue Q1 2024 while expanding to Spain. 500+ employees in Berlin and Madrid. Costs €39.99 per submission or 20% of refund for expert service. Founded 2016 by Mathis Büchi and Lino Teuteberg. Taxfix is classified in the Enterprise Finance segment at the Applications layer of the financial AI stack.
Who founded Taxfix?
Taxfix was founded by Mathis Büchi (Co-founder & CEO) and Lino Teuteberg (Co-founder) in 2016 in Berlin, Germany. The company has been operating for 10 years.
How much funding has Taxfix raised?
Taxfix has raised $330M in total funding, placing the company at the Late Stage stage. The most recent round closed in Apr 2022. Among 79 funded Enterprise Finance companies, Taxfix ranks #16 by total capital raised. (Source: AIFI Map directory.)
What AI technology does Taxfix use?
Taxfix primarily leverages Predictive ML technology. Traditional ML algorithms for classification, regression, and scoring models. Within the Enterprise Finance segment, 58 companies use this technology.
What market segment does Taxfix operate in?
Taxfix operates in the Enterprise Finance market segment. AI enterprise finance companies are automating and enhancing the financial operations of businesses — from accounting and treasury management to financial planning, analysis, and corporate finance.
Where is Taxfix headquartered?
Taxfix is headquartered in Berlin, Germany. The company operates in the EMEA region. The team consists of 201-500 employees. Germany is home to 10 financial AI companies tracked by AIFI Map.
Who are Taxfix's competitors?
Companies similar to Taxfix in the Enterprise Finance space include Unit21 ($92M raised), Kaaj ($4M raised), Lendbuzz ($310M raised), Ramp ($2.3B raised), Brex ($1.5B raised). These companies operate in related areas of financial AI: Unit21 focuses on ai-powered fraud and aml platform. Kaaj focuses on agentic ai for small-business lending automation. Lendbuzz focuses on ai auto financing for underserved populations. (Based on AIFI Map classification data.)
What products does Taxfix offer?
Taxfix builds applications-layer solutions for the financial services industry. The company's core offering: AI-powered tax filing app. The platform is powered by Predictive ML technology.





