C7 Gruppe

What C7 Gruppe does

C7 Gruppe, legally C7 GmbH, is a privately held, family-owned real estate project developer and builder (Bautr\u00e4ger) headquartered in Munich, active since 2006 in the Munich metropolitan area. The company operates a self-investing model: it acquires land or existing buildings, develops and builds residential projects on its own balance sheet, and sells finished apartments directly to end-buyers through its own sales organization and project-specific websites. It manages the full project lifecycle from acquisition through planning, construction, and sales, and currently runs a portfolio that includes the Quartier 1907 heritage renovation in Haar (71 apartments across five Art Nouveau buildings, handed over in late 2025) and the Feldafinger H\u00f6he new-build in Landkreis Starnberg (136 apartments across eight buildings, topping-out April 2026, targeting Q1 2027 occupancy). Smaller Munich projects such as Stadthaus Westend, Fraunhoferstra\u00dfe, and Das Gr\u00fcntal 25 round out the portfolio. The customer base is HNW individuals and families seeking premium, architecturally distinctive residential units in prime Munich-area locations, plus a small subsidized-housing component at Feldafinger H\u00f6he.

Technically, C7 Gruppe's core differentiator is its Holzhybrid-Bauweise (wood-hybrid construction) deployed at Feldafinger H\u00f6he, combining solid timber upper-floor walls with reinforced concrete for ground floors and structural separation walls, external thermal insulation, and thermo-ash ventilated cladding. The development targets the Effizienzhaus-40 (Efficiency House 40) standard and is paired with a district energy system via a partnership with Bayernwerk Natur (biomethane combined heat and power plant) plus rooftop photovoltaic installations. On the heritage side, the firm has demonstrated regulatory competence navigating strict Denkmalschutz (monument protection) requirements across six listed buildings in Haar, a capability that earned the highest individual funding in Landkreis M\u00fcnchen's 2025 heritage preservation awards.

Commercially, C7 Gruppe generates revenue as a one-time, unit-level property sale on each completed development. It operates without external institutional capital, relying instead on owner/founder equity, and maintains a lean headcount of approximately 11 employees. Go-to-market is direct-to-consumer: dedicated project websites (e.g., quartier1907.de, feldafinger-hoehe.de), press coverage of project milestones, and an in-house sales team that has now taken over direct distribution at Feldafinger H\u00f6he rather than using external brokers. The company is co-led by managing shareholder Andreas Rethfeld (transactions, acquisitions, finance) and Managing Director Fridolin Lippens (technical project development), supported by a small in-house project management, controlling, and sales team, with construction executed through general contractor Markraf and architecture/design handled by specialist partners.

Name

C7 Gruppe

Legal name

C7 GmbH

Website

https://c7.de

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

C7 Gruppe is a privately held Munich-based real estate developer that self-invests in premium residential projects across the Munich metropolitan area, delivering both heritage renovations and new wood-hybrid construction, with a focus on HNW end-buyers served through direct sales.

Ownership category

akta.pro rank

Product category

Premium Residential Real Estate Development

NAICS

New Housing For-Sale Builders (236117), Residential Remodelers (236118), New Single-Family Housing Construction (except For-Sale Builders) (236115)

SIC

General Bldg Contractors - Residential Bldgs (1520), Real Estate Dealers (For Their Own Account) (6532)

akta.pro primary industry

Residential General Contracting (New Build) (IMAFAAAB)

Keywords

• Residential property development
• Heritage building renovation
• Wood-hybrid construction
• Premium apartment sales
• Munich real estate developer

Headquarters

HQ city

Munich

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D

Revenue model

1. Property Development and Sales: As a Bauträger (property developer), C7 Gruppe generates revenue by developing residential properties on their own risk and selling finished apartments to buyers. The company handles the complete project scope from property acquisition through planning and construction to final sales and delivery.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

C7 Gruppe is a self-investing residential real estate developer (Bauträger) that acquires land in the Greater Munich area, plans and constructs premium residential projects using sustainable wood-hybrid construction methods, and sells completed or off-plan apartments directly to private buyers. The portfolio combines heritage-listed building revitalization (e.g., the 71-unit Quartier 1907 in Haar) with new-build ensembles (e.g., the 136-unit Feldafinger Höhe at Lake Starnberg), all carried out under the company's own capital risk from acquisition through to handover.

Product overview

C7 Gruppe is a Munich-based real estate development company offering a portfolio of residential property projects ranging from heritage building revitalization to new construction. The portfolio includes the flagship Quartier 1907 heritage renovation project (converting Art Nouveau hospital buildings into 71 apartments across five buildings) and the new Feldafinger Höhe development (136 apartments in eight buildings with sustainable wood-hybrid construction). Additional products include urban renewal projects in Munich neighborhoods (Stadthaus Westend, Fraunhoferstraße, Das Grüntal 25) and individual buildings within the Quartier 1907 ensemble (Casinostraße 67, 69, 79, 80/81, 82, 88). The company operates as a full-service developer handling property acquisition through to sales.

Differentiator

Problem solved

Functional benefit

Products and services

• Quartier 1907 (Casinostraße 67, 69, 79, 80/81, 82, 88 — Haar) Heritage-building revitalization in Haar (Munich district) converting former Art Nouveau psychiatric hospital buildings from the 1900s into 71 high-quality residential units across five historic buildings, plus three exclusive townhouses at Casinostraße 88. Extensive renovation executed under strict Denkmalschutz (heritage protection) guidelines, integrating modern living standards while preserving Art Nouveau character; the project received the Landkreis München award for outstanding heritage preservation in December 2025.
• Feldafinger Höhe (Feldafing) New-build residential ensemble of eight buildings with 136 apartments (37–227 m²) on a 15,300 m² site in Feldafing at Lake Starnberger See. Constructed in sustainable Holzhybrid-Bauweise (wood-hybrid) to Effizienzhaus-40 energy standard, with rooftop photovoltaic installations and a district energy system featuring a high-efficiency biomethane combined heat and power plant partnered with Bayernwerk Natur. Includes both market-rate and subsidized rental housing components. Over 40% of apartments pre-sold as of November 2024.
• Stadthaus Westend (Munich) Urban residential project in Munich's Westend district featuring sharing concepts, a green courtyard with tenant gardens, a rooftop terrace, and ground-floor gastronomy, designed for urban dwellers seeking quiet yet connected city living.
• Fraunhoferstraße (Munich-Gärtnerplatz district) Revitalization of a heritage-protected residential and commercial building in Munich's Gärtnerplatz district, including roof conversion to two premium apartments, facade restoration, and staircase renovation with a newly installed elevator.
• Das Grüntal 25 (Munich-Herzogspark) Exclusive residential property on an approximately 2,800 m² park plot with private creek access in the Herzogspark landscape protection area near the English Garden, comprising 10 apartments across four floors with private gardens and basement parking.

Quantifiable outcome

• Energy-efficient buildings meeting Efficiency House 40 standard
• +1 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered minor, core and major.

• Nachbarschaftshilfe Haar e.V.minorOthers · 16 December 2025C7 Gruppe supported the family center of Nachbarschaftshilfe Haar e.V. as part of the district award funding received for Quartier 1907, creating a community meeting place.
• Bayernwerk Natur GmbHcoreStrategic or Co-development Partner · 12 July 2024Partnership for climate-friendly and cost-effective energy supply for FELDAFINGER HÖHE project. Bayernwerk Natur provides a high-efficiency biomethane combined heat and power plant for heating and electricity, complemented by rooftop photovoltaic installations for local solar power generation.
• W. MARKRAF GmbH & Co KGcoreImplementation/ SI/ Consulting Partner · 12 July 2024General contractor responsible for construction of the FELDAFINGER HÖHE residential project, handling the main building works for the eight-building complex.
• MasterPlan Projektconsulting und -management GmbHmajorImplementation/ SI/ Consulting Partner · 12 July 2024Project consulting and management partner for the FELDAFINGER HÖHE development, supporting project coordination and management alongside C7 Gruppe.
• Archiv B Ebert & Matschke Architekten PartGmbBmajorTechnology or Integration · 12 July 2024Architecture firm responsible for the design of FELDAFINGER HÖHE, developing the architectural concept and building design for the eight-building residential ensemble.
• Breining + Buchmaier Architekten mit Peter Wilhelm LandschaftsarchitektmajorTechnology or Integration · 23 March 2022Winner of the urban development competition for the FELDAFING clinic site, awarded first prize for their design concept featuring nine free-form building volumes organized around two residential courtyards in the park setting.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Isaria München Projektentwicklungs GmbH: Munich-headquartered self-investing project developer active in residential and mixed-use developments across the metropolitan area. Closely comparable to C7 Gruppe in geography, product type, and buyer segment.
• Pandion AG: Cologne-based residential developer building premium multi-family housing in major German cities. Comparable in customer segment, premium product positioning, and direct sales of new-build apartments.
• Baywobau Baugesellschaft mbH: Munich-based property developer and Bauträger delivering residential projects in the greater Munich area, with overlapping customer profile (premium owner-occupiers and investors) and similar project-acquisition-to-sales model.
• Bonava Deutschland GmbH: Swedish-origin homebuilder with significant German operations developing multi-family and single-family housing for sale, including the Munich area. Comparable product category and direct-to-buyer sales motion.
• Euroboden GmbH: Premium-positioned German residential developer focused on architecturally distinctive urban projects. Comparable in design-led, premium-segment positioning and developer-to-buyer sales model.
• Wüstenrot Haus- und Städtebau GmbH: German residential developer focused on urban infill and new housing construction across southern Germany, including Bavaria. Comparable in residential project execution and sale of finished units to end buyers.
• Büschl Unternehmensgruppe: Munich-region family-run real estate developer active in residential project development and heritage-sensitive renovations. Comparable regional focus, owner-managed structure, and premium local buyer base.

Regional players

• Peter Rauscher Immobilien: Munich-area developer of high-quality residential properties, particularly townhouses and premium single-family homes. Comparable in Munich geography and upper-segment buyer profile, with narrower product focus than C7 Gruppe.
• Bayernhaus Wohnungsbau GmbH: Bavaria-focused residential developer building single-family and multi-family housing for sale. Comparable in regional geographic focus and project-developer / Bauträger business model, though with more mass-market positioning than C7 Gruppe's premium niche.

Broad incumbents

• Instone Real Estate Group AG: Listed German residential developer developing new-build apartments across major German metropolitan regions including Munich. Overlaps with C7 Gruppe in new-build-for-sale residential, but at much larger scale and broader geographic footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/c7-gruppe

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about C7 Gruppe