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Family HoldingPuts its own capital into companiesLAST VERIFIED Oct 2026 · 17 SOURCES

Soleal Unternehmerkapital AG

Zurich holding that buys majority stakes in profitable Swiss, German and Austrian SMEs with the private capital of its two founders, Karl Spielberger and Fabrice Nava.

USEFUL FOR Business owners seeking a long-term partner · Co-investors

Family & background

HEADQUARTERS
Zurich, Switzerland

Investment approach

GEOGRAPHY
SwitzerlandGermanyAustria
STAGES
Buyout
ROUTES
Companies (own capital)
STRATEGIES
Private equityDirect investments

Overview

Soleal Unternehmerkapital AG, based in Zurich, acquires majority stakes (over 50%) in established small and mid-sized companies in Switzerland, Germany and Austria, typically in succession, carve-out or turnaround situations. It states that it invests only the private funds of its two founders and that holding periods are unlimited. Its group of companies in Switzerland, Germany and Italy employs about 1,300 people. Targets have EBIT of CHF 2-10 million; start-ups, technology-driven models, construction and hospitality are excluded.

Investment thesis

Buys profitable SMEs with an established market position facing succession, corporate spin-offs or turnarounds; majority control only; EBIT CHF 2-10 million (add-ons can be smaller); no start-up or growth financing; no sector focus but excludes heavily technology-driven businesses, construction and hospitality/tourism.

Holdings & investments (12)

  • Aartech GmbH
    Industrial & Manufacturing
  • ASS Alu-Schaltschränke AG
    Industrial & Manufacturing
  • Gugler Electronic AG
    Industrial & Manufacturing
  • Härterei Arbon AG AKA
    Industrial & Manufacturing
  • Hagmann Tec AG
    Industrial & Manufacturing
  • Listemann
    Industrial & Manufacturing
  • Martin Staud GmbH
    Consumer & E-commerce
  • olo Marzipan O. Lohner AG
    Food & Agriculture
  • Valimmobilier
    Real Estate & PropTech
  • Wärmebehandlung Klingnau AG
    Industrial & Manufacturing
  • WMT S.r.l
    Industrial & Manufacturing
  • Zwick GmbH
    Industrial & Manufacturing

People

  • Reto Furrer
    Portfolio Director · source
  • Karl Spielberger
    Founder · source
  • Fabrice Nava
    Founder · source
  • Reto Eisenbart
    Principal · source

Frequently asked questions

Soleal Unternehmerkapital AG is a family holding based in Zurich, Switzerland.

Soleal Unternehmerkapital AG invests its own capital into companies. Its stated asset mix includes private equity and direct investments.

Soleal Unternehmerkapital AG invests at Buyout stage in Industrial & Manufacturing, Food & Agriculture, Consumer & E-commerce and Real Estate & PropTech.

Key people at Soleal Unternehmerkapital AG include Karl Spielberger (Founder), Fabrice Nava (Founder), Reto Eisenbart (Principal) and Reto Furrer (Portfolio Director).

Soleal Unternehmerkapital AG's holdings and investments include Aartech GmbH, ASS Alu-Schaltschränke AG, Gugler Electronic AG, Härterei Arbon AG AKA, Hagmann Tec AG, Listemann, Martin Staud GmbH and olo Marzipan O. Lohner AG, among others.