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Private Equity FundPuts its own capital into companiesLAST VERIFIED Oct 2026 · 17 SOURCES

COI Partners

German registered AIF-KVG of COI Partners AG (Switzerland)

Also known as COI Partners Deutschland GmbH, COI Partners Capital Management AG, COI Partners AG, Co-Investor

Frankfurt independent sponsor and registered AIF-KVG founded in 2001; makes deal-by-deal buyout and growth investments of €10–30M in DACH Mittelstand companies for family offices and institutions.

HEADQUARTERS
Frankfurt am Main, Germany
FOUNDED
2001
OUTSIDE CAPITAL
Yes
TEAM LISTED
15 people

Focus

STAGES
GrowthBuyout
ASSET MIX
Private equityDirect investments
GEOGRAPHY
GermanyAustriaSwitzerland

Overview

COI Partners began in 2001 as a co-investment club of four Swiss entrepreneurs and now describes itself as an independent sponsor rather than a fund, structuring deal-by-deal buyout and growth investments for institutional and private investors (family offices, UHNWIs), for example via a dedicated deal-by-deal fund in Luxembourg. It targets profitable B2B companies headquartered in Germany, Austria and Switzerland with around €5 million EBITDA, taking majority or significant minority stakes with a preferred equity ticket of €10–30 million. The German entity COI Partners Deutschland GmbH in Frankfurt has been a BaFin-registered AIF-KVG since 2011; the group, which integrated Equinet Venture Partners in 2009, also has offices in Berlin and Zurich and is owned through COI Partners AG by about 20 entrepreneurs from Germany and Switzerland, who co-invest 10–40% in every deal.

Investment thesis

Invests in market or innovation leaders with strong growth potential (organic or buy-and-build), a B2B focus, DACH headquarters and positive EBITDA of around €5M, in succession, MBO/MBI and growth situations, as majority owner or strong minority partner with governance rights.

PORTFOLIO (21)

  • B+G SchweizNOTABLE
    Industrial & Manufacturing · since 2025
  • GroverNOTABLE
    Consumer & E-commerce · since 2022
  • ResearchGateNOTABLE
    Software & SaaS · since 2020
  • TTTech GroupNOTABLE
    Deep Tech · since 2006
  • Supreme Sports Hospitality
    Food & Agriculture · since 2020
  • TestSolutions
    Software & SaaS · since 2023
  • Köhler-Transfer
    Mobility & Logistics · since 2017
  • Occlutech
    HealthTech · since 2021
  • Promedical
    HealthTech · since 2021
  • TSE Systems
    Industrial & Manufacturing · since 2019
  • Freaks4U
    Media & Entertainment
  • nextbike
    Mobility & Logistics
  • Mister Spex
    Consumer & E-commerce
  • AMICRA Microtechnologies
    Industrial & Manufacturing
  • Mobotix
    Industrial & Manufacturing
  • Fixatti Group
    Industrial & Manufacturing
  • Euroimmun
    HealthTech
  • Phenex Pharmaceuticals
    HealthTech
  • Generart
    HealthTech
  • casualfood
    Food & Agriculture
  • CCG Cool Chain Group
    Industrial & Manufacturing

People

  • Dr. Farsin Yadegardjam
    Partner / Investments; member of management; board member of COI Partners AG · source
  • Jan Claußen
    Partner / Investments; member of management · source
  • Julian Kohl
    Partner / Investments; member of management · source
  • Gregor Lubberich
    Partner / Investors, COO & CFO; Geschäftsführer of COI Partners Deutschland GmbH · source
  • Nicolai von Engelhardt
    Partner / Investors · source
  • Oliver G. Benz
    Chairman of the board (Verwaltungsratspräsident), COI Partners AG · source
  • Dr. Axel Endriss
    Board member (Verwaltungsrat), COI Partners AG · source
  • Andre Moritz
    Associate Director · source
  • Chervine Golbaz
    Associate Director · source
  • Draza Mihailovic
    Head of Finance & Controlling (Leiter Finanzen & Controlling), Frankfurt · source
  • Harald Haberkorn
    Head of Investment Controlling, Frankfurt · source
  • Fabian Schade
    Manager Investor Relations, Frankfurt · source
  • Jonas von Wyl
    Senior Associate, Zurich · source
  • Alexander M. Beck
    Associate, Frankfurt · source
  • Nick Memminger
    Associate, Zurich · source

Links

Frequently asked questions

COI Partners is a private equity fund based in Frankfurt am Main, Germany, founded in 2001.

Yes. COI Partners invests its own capital in private companies.

COI Partners invests at Growth and Buyout stages in Industrial & Manufacturing, Software & SaaS, HealthTech, Consumer & E-commerce and Food & Agriculture.

COI Partners's stated ticket size is €10M–€30M.

Key people at COI Partners include Dr. Farsin Yadegardjam (Partner / Investments; member of management; board member of COI Partners AG), Jan Claußen (Partner / Investments; member of management), Julian Kohl (Partner / Investments; member of management) and Gregor Lubberich (Partner / Investors, COO & CFO; Geschäftsführer of COI Partners Deutschland GmbH).

COI Partners's investments include B+G Schweiz, Grover, ResearchGate, TTTech Group, Supreme Sports Hospitality, TestSolutions, Köhler-Transfer and Occlutech, among others.

The most recent publicly reported investment by COI Partners is B+G Schweiz (Primary & secondary (with Patrimonium Asset Management and EGS Beteiligungen)), announced in Jan 2025.

COI Partners states that it accepts submissions through its official contact page.

Yes. COI Partners manages capital from outside investors.