Family HoldingAllocates capital directlyLAST VERIFIED Oct 2026 · 2 SOURCES

Tretter Holding GmbH

Großhansdorf (near Hamburg) holding that groups independently run companies in consulting, real-estate sales, development and brokerage, networking and sport, plus strategic stakes such as ValuCore.

USEFUL FOR Co-investors

Family & background

HEADQUARTERS: Großhansdorf, Germany

Investment approach

SECTORS: Real Estate & PropTech
ROUTES: Direct investments
STRATEGIES: Direct investmentsReal estate

Overview

Tretter Holding GmbH, registered in Großhansdorf with locations in Hamburg, Berlin, Munich (Grünwald), Pollença and Winterthur, bundles a number of independently managed companies. These include Tretter Consulting, Tretter Sales (real-estate and company sales), Tretter Development (residential developer), the broker Waldreiter Immobilien, the Mallorca Capital Circle network and the Großhansdorf Business Center. It also holds strategic stakes, among them ValuCore GmbH in Berlin, and in construction, planning, hotels and sport.

Investment thesis

Think in generations, not quarters; each company is run on its own with clear responsibility.

Holdings & investments (1)

INVESTMENT ARMS & VEHICLES

Tretter Consulting
Consulting on company structures, sales, family office, real estate
Tretter Sales
Sale of large real-estate projects, portfolios and companies/stakes
Tretter Development
Residential property developer
Waldreiter Immobilien
Local real-estate broker (Stormarn)
Mallorca Capital Circle
Business network for wealth management and real estate on Mallorca
Großhansdorf Business Center
Flexible offices and office services

HOLDINGS & INVESTMENTS · MOST RECENT FIRST

ValuCore GmbH
Strategic stake

People

Timo Tretter
Managing Director (authorised representative) · source
Dr. Celina Tretter
Managing Director (authorised representative) · source

Classification

Family Holding. A family's holding company that owns stakes in several separate businesses or invests beyond its own group, without calling itself a family office. How family capital is classified →

FAQ

Tretter Holding GmbH is a family holding based in Großhansdorf, Germany.

Tretter Holding GmbH invests directly in companies. Its stated asset mix includes direct investments and real estate.

Tretter Holding GmbH invests in Real Estate & PropTech.

Key people at Tretter Holding GmbH include Timo Tretter (Managing Director (authorised representative)) and Dr. Celina Tretter (Managing Director (authorised representative)).

Tretter Holding GmbH's holdings and investments include ValuCore GmbH.