Tanso
Tanso provides ESG and carbon accounting software for industrial companies in the DACH region, helping them meet sustainability regulations and customer demands. The Munich-based company, founded in 2021, has raised $23M in funding and employs 77 people.
The growth story
Tanso grew from 20 to 77 employees between 2022 and 2026, raising $23M along the way, most recently a Series A in August 2025.
About
Tanso sells software that helps manufacturing companies track and report their carbon emissions and sustainability metrics. Its platform integrates with existing IT systems and supports major regulatory frameworks like CSRD, EU Taxonomy, and ISO 14064, with TÜV Rheinland-certified carbon accounting methods.
The company has grown to 77 employees since its 2021 founding and raised $23M in Series A funding in August 2025. Its investors include Capnamic, Fortino Capital, and Picus Capital.
Founders and leadership
Sales is Tanso's largest department with 13 employees. The company has a median tenure of just 1 year, suggesting rapid organizational growth or turnover since its 2021 founding.
The Tanso org chart
Till Wiechmann (Co-Founder & CEO) leads 25 mapped leaders with 8 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Business Development 14 (+133% YoY), Sales 12 (0% YoY), Engineering 11 (+57% YoY), Customer Success and Support 9 (+13% YoY), Marketing 4 (+100% YoY), Finance 3 (+50% YoY).
Talent flow
Tanso recruits heavily from Technical University of Munich, Amazon, and Boston Consulting Group, with 4 hires from each. Alumni have moved to companies like Capgemini Invent, SAP, and Max Planck Institute for Innovation and Competition.
Most common previous employers of Tanso staff: Technical University of Munich (4), Amazon (4), Boston Consulting Group (BCG) (4), BMW (4), Picus Capital (3), ClimatePartner (3). Former Tanso employees most often moved to Capgemini Invent (3), Max Planck Institute for Innovation and Competition (2), SAP (2), Checkpoint GTM (1), Delta Charge (1), yoummday (1).
Alumni worth knowing
Web traffic
Traffic mix: 44% direct, 41% search, 3% social, 1% paid.
What this company is made of
Most common skills at Tanso: Microsoft Office (27), Teamwork (26), Project Management (24), Microsoft Excel (22), Microsoft PowerPoint (18), Communication (17), English (16), Analytical Skills (13).
Where the team actually sits
Tanso people are concentrated in Bavaria, Germany (28), Greater Munich Metropolitan Area (13), Germany (11), Berlin, Germany (3).
Search footprint
Tanso attracts about 1,750 organic search visits a month, traffic worth roughly $7K a month if bought through ads. It gained 252 ranking keywords and lost 275 in the last period.
Frequently asked
Tanso has 77 employees as of September 2026.
Tanso has raised $23M in total, most recently a Series A round in August 2025.
Tanso was founded in 2021 by Till Wiechmann, Gyri Reiersen, Fabian Sinn, Katharina Siegert, Lorenz Hetzel.
Till Wiechmann (Co-Founder & CEO) sits at the top of Tanso's reporting structure, with 8 direct reports.
The most common previous employers of current Tanso staff are Technical University of Munich (4 people), Amazon (4 people), Boston Consulting Group (BCG) (4 people).
Former Tanso employees most often move to Capgemini Invent (3), Max Planck Institute for Innovation and Competition (2), SAP (2).
Tanso attracts about 1,750 organic search visits a month, worth roughly $7K a month in equivalent ad spend.
The most common skills among Tanso staff are Microsoft Office, Teamwork, Project Management, Microsoft Excel, Microsoft PowerPoint.
Tanso staff are concentrated in Bavaria, Germany (28), Greater Munich Metropolitan Area (13), Germany (11).
Tanso has about 14 people in Business Development, up 133% over the past year, as of September 2026.
Tanso has about 12 people in Sales, up 0% over the past year, as of September 2026.
Computed from 59 current and 61 former Tanso profiles, as of September 2026. Source: Crustdata.
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