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Corporate VCAllocates capital directlyActive · deal in last 18 monthsLAST VERIFIED Oct 2026 · 9 SOURCES

Abacus alpha

Wholly owned investment company of Johannes und Jacob Klein GmbH (foundation-bound holding, main shareholder KSB Stiftung; holds about 84% of KSB SE & Co. KGaA ordinary shares)

Also known as Abacus alpha GmbH, Abacus-Gruppe

Frankenthal investment company, wholly owned by Johannes und Jacob Klein GmbH (KSB's main shareholder); buy-and-hold stakes in Mittelstand tech, succession and growth deals since 2006.

HEADQUARTERS
Frankenthal (Pfalz), Germany
FOUNDED
2006
AUM
—
OUTSIDE CAPITAL
—
TEAM LISTED
6 people

FOCUS

STAGES
GrowthBuyout
SECTORS
Industrial & ManufacturingSoftware & SaaSClimate & Energy
ASSET MIX
Direct investmentsPrivate equityImpact
GEOGRAPHY
Germany

WHAT IT IS

Corporate VC. A corporation investing from its own balance sheet, usually with strategic goals.

ABOUT

Abacus alpha GmbH is a Frankenthal (Pfalz) investment company, active since 2006, that describes itself as financially independent and as an impact investor. It is a wholly owned subsidiary of Johannes und Jacob Klein GmbH, a foundation-bound holding whose main shareholder is the KSB Stiftung and which holds about 84% of the ordinary shares of listed pump maker KSB SE & Co. KGaA. It takes minority and majority stakes in Mittelstand companies in automation and digitalisation, clean/green tech, innovative materials and services, focusing on succession, MBO/MBI and growth financing with a buy-and-hold, buy-and-build approach; it holds about 20 participations, six of them at 100%. Its company builder Abacus neo handles early-stage ideas.

PORTFOLIO (19)

  • merlin.zwo InfoDesign GmbH & Co. KGNOTABLE
    Software & SaaS · since 2026
  • Abacus Experten GmbH
    since 2010
  • Abacus Resale GmbH
    Industrial & Manufacturing · since 2014
  • Fireboard GmbH
    Software & SaaS · since 2015
  • airinotec GmbH
    Industrial & Manufacturing · since 2015
  • AIM Service Italia S.r.l.
    since 2015 · Exited
  • Pyreg GmbH
    Climate & Energy · since 2015 · Exited
  • VSR Elektrotechnik GmbH
    Industrial & Manufacturing · since 2015 · Merged into AUTEC (2025)
  • ASB Systembau Horst Babinsky GmbH
    since 2016
  • JobTender 24 GmbH
    since 2016 · Exited
  • AddVolt S.A.
    Mobility & Logistics · since 2017 · Acquired
  • Autec Softwareentwicklung und Hardwareplanung GmbH
    Software & SaaS · since 2017
  • ASB Rental Solutions GmbH
    since 2018
  • JUMAG Dampferzeuger GmbH
    Industrial & Manufacturing · since 2019
  • Ludwig Heuse GmbH (interim-management.de)
    since 2019
  • PersonalHub Holding GmbH
    since 2023
  • SMART PR GmbH
    Media & Entertainment · since 2024
  • MTS Knobloch GmbH (listed on the portfolio page as MTS Metal Solutions GmbH)
    Industrial & Manufacturing · since 2025
  • VinRoc Solutions GmbH
    Exited

TEAM

  • Frank Hüther
    Managing Director (Geschäftsführer) · source
  • Dr. Heiko Jopp
    Chief Technology Officer · source
  • Thomas Götzmann
    Investment professional (BVK member profile) · source
  • Dr. Bertold Biffar
    Investment professional (BVK member profile) · source
  • Dr. Maciej Pasternak
    Investment professional (BVK member profile) · source
  • Lukas Pohl
    Investment professional (BVK member profile) · source

LINKS

FAQ

Abacus alpha is a corporate venture arm based in Frankenthal (Pfalz), Germany, founded in 2006.

Yes. Abacus alpha invests directly in private companies.

Abacus alpha invests at Growth and Buyout stages in Industrial & Manufacturing, Software & SaaS and Climate & Energy.

Key people at Abacus alpha include Frank Hüther (Managing Director (Geschäftsführer)), Dr. Heiko Jopp (Chief Technology Officer), Thomas Götzmann (Investment professional (BVK member profile)) and Dr. Bertold Biffar (Investment professional (BVK member profile)).

Abacus alpha's investments include merlin.zwo InfoDesign GmbH & Co. KG, Abacus Experten GmbH, Abacus Resale GmbH, Fireboard GmbH, airinotec GmbH, AIM Service Italia S.r.l., Pyreg GmbH and VSR Elektrotechnik GmbH, among others.

The most recent publicly reported investment by Abacus alpha is merlin.zwo InfoDesign GmbH & Co. KG (Succession buyout (100%)), announced in May 2026.

Abacus alpha states that it accepts submissions through its official contact page.