Organization · Private Equity
Stemas AG
Stemas AG is a private equity investment company based in Germany, focusing on medium-sized industrial enterprises. They specialize in companies facing succession issues, requiring restructuring, or being spun off from larger corporations.
Overview
What Stemas AG does
What Stemas AG is
Stemas AG is a private equity investment company based in Germany, focusing on medium-sized industrial enterprises. They specialize in companies facing succession issues, requiring restructuring, or being spun off from larger corporations.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Private Equity
- Structured capabilities
- Funder
- Last reviewed
- March 4, 2026
Official channels
Find Stemas AG elsewhere
Open the official website or a supported primary organization account.
Capability profile
Stemas AG as a funder
Investment thesis
Stemas AG invests in specialized companies within the industrial sector, focusing on long-term strategic development and sustainable value creation. The organization seeks majority stakes in companies with annual revenues between 10-30 million EUR.
Focus narrative
Stemas AG invests primarily in specialized companies within the following sectors: Electronics/Electrical Engineering, Mechanical and Plant Engineering, and Fire Protection. The organization typically seeks majority stakes (at least 51%, preferably over 75%) in companies with annual revenues between 10-30 million EUR.
Value beyond capital
Stemas AG focuses on long-term strategic development and sustainable value creation for its portfolio companies, ensuring their independent continuation.
Focus and fit
- Sectors
- Industrial & Manufacturing
Availability
- Currently deploying
- Not published
Portfolio and track record
- Recorded portfolio count
- 6
Portfolio context
Notable portfolio companies include: Phytron GmbH: Develops and manufactures stepper motors and controls, including applications in the Mars Rover Curiosity. Fritz Massong GmbH: Distributes fire service equipment, including the 'Innotrade' hose coupling system. GEFEG Drive Technologies GmbH: Produces motors, controls, and gearboxes for use in medical technology. Frank Elektronik GmbH: Designs and manufactures LED boards up to 1.5 meters in length. Eker Systemtechnik Electronic GmbH: Manufactures and tests devices for regulating step transformers in medium and high voltage networks. EPS Electronic Products & Systems GmbH: Assembles circuit boards with wired LEDs for traffic control systems.
Common questions
What to know about Stemas AG
Upseed classifies Stemas AG under the Private Equity organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
March 4, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.