General contractor in
Spreitenbach

Invertronix GU AG

Since 2013 · 11–20 empl.·4.6(43)

Invertronix GU AG carries out construction, conversion and renovation work, including smaller new-build projects. Its in-house trades team covers areas such as building and civil construction, electronics, tiling, flooring, painting and plastering; the company also handles maintenance and cleaning at its own properties.

B & B Baurealisierung GmbH

Since 2014 · 1–10 empl.

B & B Baurealisierung GmbH manages construction projects from project development and cost estimation through tendering and site management to cost control. Its work includes single- and multi-family homes, conversions, renovations, public buildings and industrial buildings.

Brescianini Holding AG

Since 2013 · 1–10 empl.·3.9(13)

The core activity of B&B Baurealisierung GmbH and B&B Immobilien AG is the realization of construction projects, particularly in the planning, execution and management of renovations, new buildings and extensions in the real estate sector. This also includes acting as general and total contractors as well as construction management and project management.

General Planning Poloni gmbh

Since 2024 · 11–20 empl.

General Planning Poloni gmbh provides consulting, general planning, architectural and planning services, cost planning and construction management. Its services include project management and control, client representation, tendering and site management across all SIA phases.

Confida Häuser AG

Since 2003 · 1–10 empl.·5.0(3)

The core activity of Confida Häuser AG is the planning, realization, sale, purchase, financing, appraisal and consulting of houses and apartments. Specifically, this includes: planning and development of flexible residential properties, realization of houses and apartments as general contractor at a fixed price, sale and brokerage of houses and apartments, purchase of plots of land, built and unbuilt, financing and consulting for planning, realization, purchase and sale of houses and apartments.

ABDI GmbH

Since 2023 · 1–10 empl.

ABDI GmbH provides construction and renovation services. Its work includes painting, drywall, fire protection, thermal insulation, flooring and tiling, as well as project and construction management.

B&L Baumanagement AG

Since 2019 · 1–10 empl.·1.0(1)

B&L Baumanagement AG is a construction and real estate company that serves as general contractor for new-build and renovation projects, providing project and construction management, coordination and execution. Services include trade coordination, cost control and advisory support from planning through to the sale of completed properties.

BauWerk360 GmbH

Since 2026 · 1–10 empl.

BauWerk360 GmbH provides construction and renovation services from a single source. The company focuses on remodeling, flooring, building protection, painting work, and plastering, supporting projects from planning through execution.

Dzabir Group AG

Since 2026 · 1–10 empl.

Dzabir Group AG is a construction company focused on formwork, renovations, masonry work and concrete construction. The company also provides construction coordination and carries out slab and wall formwork projects.

EverBest Immovest AG

Since 2020 · 1–10 empl.

Walter Strauss AG

Since 1964 · 1–10 empl.

ELIT GmbH

Since 2021 · 1–10 empl.