Baugenossenschaft Sonnengarten

What Baugenossenschaft Sonnengarten does

Baugenossenschaft Sonnengarten (BGS) is a Swiss non-profit housing cooperative (Baugenossenschaft) founded in 1944 and headquartered at Triemlistrasse 22 in Zürich. The cooperative owns and manages approximately 1,038–1,200+ residential units across 15 settlements spanning the Zürich quarters of Albisrieden, Altstetten, and Höngg as well as the Limmattal municipalities of Dietikon, Weiningen, Geroldswil, and Fahrweid. Its portfolio comprises apartments ranging from 1.5 to 6.5+ rooms, 53 single-family row houses (Einfamilienhäuser), and 209 house entrances. Members acquire cooperative membership by signing indefinite-term leases; rents are set at cost-covering, non-profit levels. Operations are delivered through a staff of 30–40+ people spanning the management office (Geschäftsstelle), the board (Vorstand), and the maintenance team (Unterhalts-Team), supported by two workshops (Werkstatt Triemli and Werkstatt Rütihof).

The cooperative's product surface is anchored in long-term affordable housing but extends into community infrastructure: community rooms (Gemeinschaftsraum Trotte, Triemli), guest accommodations (Gästezimmer Villa, Gästewohnung), shared gardens, and e-mobility charging infrastructure. Technology is delivered primarily through the proprietary Beunity app, launched in 2022, which acts as a digital community hub for residents — providing BGS-wide news, settlement-specific feeds, online reservations for common spaces and guest rooms, a neighborly help-and-share marketplace, and a digital bulletin board. A separate Mieterservice (tenant service) portal handles repairs, downloads, and FAQ. Distribution is direct: BGS manages its own portfolio end-to-end, publishes vacancies on its website every Tuesday morning, and prioritizes its internal member waiting list before accepting external applicants.

BGS's go-to-market is fundamentally community-led. There are no external investors, no funding rounds, and no parent company; the entity is owned by its tenant-members and governed under Swiss cooperative law within the broader city of Zürich affordable-housing support framework. Strategic expansion is realized through land-banked redevelopment — Villy, Towny, and the Stadtstück Triemli are the named active projects — alongside ongoing energetic renovations such as Rütihof 1 (2023–24) and full renewal of Fahrweid (2025). Architectural quality is recognized externally, with the Hagenbuchrain settlement receiving the City of Zürich's 'Auszeichnung für gute Bauten' in 2005.

Name

Baugenossenschaft Sonnengarten

Legal name

Baugenossenschaft Sonnengarten

Website

https://bg-sonnengarten.ch

Company type

Private

Founded year

1944

Operating status

Operating

Headcount range

11–50 employees

Short description

Swiss non-profit housing cooperative founded in 1944, managing over 1,000 affordable rental apartments across 15 settlements in Zürich and the Limmattal for tenant-members who acquire membership through indefinite-term leases.

Ownership category

akta.pro rank

Product category

Affordable Residential Housing (Housing Cooperative Services)

NAICS

Other Residential Care Facilities (623990)

SIC

Services-To Dwellings & Other Buildings (7340), Services-Facilities Support Management Services (8744)

akta.pro primary industry

Affordable Housing & Community Development (Housing, Community Land Trusts) (BPAGALAC)

akta.pro secondary industry

Build-to-Rent (BTR) Community Management (BPAJAFAC)

Keywords

• Affordable housing rentals
• Housing cooperative management
• Non-profit residential
• Community housing services
• Rental property management

Headquarters

HQ city

Zürich

HQ country

Switzerland

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Others

Revenue model

1. Residential Rentals: As a non-profit housing cooperative, BGS generates primary revenue from residential rents. Membership is obtained through signing an indefinite-term lease. Rents are set at affordable, cost-covering levels consistent with the cooperative's non-profit mission. BGS prioritizes existing members when allocating vacancies.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Baugenossenschaft Sonnengarten (BGS) is a non-profit housing cooperative that provides affordable rental housing across approximately 15 settlements in Zürich and the Limmattal region, comprising over 1,200 apartments ranging from 1.5 to 6.5 rooms plus 53 single-family row houses. Membership is obtained by signing an indefinite-term lease, and rents are set at affordable, cost-covering levels consistent with the cooperative's non-profit mission. The cooperative supplements its housing offering with a digital community platform (Beunity app), shared community spaces, guest accommodations, and e-mobility infrastructure.

Product overview

Baugenossenschaft Sonnengarten (BGS) operates as a non-profit housing cooperative offering affordable rental housing across 15 settlements in Zürich and the Limmattal region. The portfolio includes approximately 1,038 apartments ranging from 1.5 to 6.5 rooms and 53 single-family row houses. The core product is rental housing supplemented by the Beunity digital app for community networking and room reservations. Supporting services include guest accommodations (guest apartment, villa guest room), community spaces (Trotte, Triemli community rooms), and e-mobility charging infrastructure. The Beunity app serves as the primary digital platform enabling residents to network, access events, use an online marketplace, and reserve common areas.

Differentiator

Problem solved

Functional benefit

Brands

• Beunity: Digital community platform/app for BGS residents providing networking, space reservation, and community engagement features. Launched in 2022.

Products and services

• Rental Housing
• Beunity App
• Gästewohnung (Guest Apartment)

Quantifiable outcome

• Over 1200 apartments managed across 15 settlements
• +2 more outcomes

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Berufslehr-Verbund Zürich (BVZ)minorOthersBGS collaborates with the Berufslehr-Verbund Zürich (BVZ) for commercial vocational training (KV-Lehrstellen). Prospective apprentices are directed to contact BVZ directly for KV apprenticeship placements. This is an administrative placement partnership rather than a strategic alliance.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Market position

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Baugenossenschaft Sonnengarten