General Contractors

Immo-Real Generalunternehmung GmbH 

Oberneunforn · Since 2006

The core activity of Immo-Real Generalunternehmung GmbH is the brokerage of real estate and building land, as well as the provision of services in the field of house construction, including general contracting and consulting.

IMMOREALIS AG 

Flims Dorf · Since 2016

The core activity of Immorealis is general contracting in the construction industry, particularly the planning, coordination and execution of construction projects for private and public clients, including the construction of residential and commercial buildings, as well as collaboration with regional partner companies and specialized firms for the maintenance and enhancement of properties.

Immorevis Sagl 

Quartino · Since 2011

The core activity of Immorevis Sagl is the provision of services in the construction sector, particularly in the fields of civil engineering and infrastructure development, including planning, execution and management of construction projects.

IMMOTECHconsulting GmbH 

Berikon · Since 2016

The core activity of IMMOTECHconsulting GmbH is the consulting and management of real estate, particularly in the areas of: * Holistic construction management * Comprehensive analyses and expert opinions * Renovation concepts * Real estate valuations * Condition analyses * Utilization concepts * Damage expert opinions * Quality management * Cost management * Time management * General and total contractors. The company thus offers a comprehensive range of services for real estate owners, developers and investors to increase the value creation of real estate.

IMPRESA BOGANA FRANCESCO SAGL 

Arvigo · Since 2001

IMPRESA BOGANA FRANCESCO SAGL is a construction firm offering roofing, timber-frame houses and general contracting services. The company carries out renovation of rural stone and timber buildings, provides feasibility studies and project design, and sells properties and land directly.

Impresa Tomamichel Sagl 

Bosco/Gurin · Since 1995

Impresa Tomamichel Sagl is a construction company providing general building and restoration services as well as carpentry and stone-slab roofing. Its services include stone-slab roofs, carpentry, restoration of rural buildings, masonry, paving and civil engineering works such as excavations, blasting, retaining walls, reinforced concrete and drainage, together with design and construction management.

Impresa Totale Impianti (ITI) SA 

Riazzino · Since 2020

Impresa Totale Impianti (ITI) SA carries out design, consultancy and installation of building systems, including electrical, heating, ventilation/air‑conditioning and sanitary systems. The company delivers turnkey projects, acts as a total contractor, designs photovoltaic and renewable‑energy systems and supports financing via energy performance contracting (EPC).

INDUBAT Sàrl 

Satigny · Since 2018

The company iNDUBAT is primarily active in the fields of construction and renovation, real estate (relocation, buying and selling) and event organization. In particular, the company focuses on the planning, construction and design of pools, spas, saunas and hammams in the cantons of Geneva, Vaud and Crans-Montana.

Ingenieurbüro David Baumann GmbH 

Habkern · Since 2023

Ingenieurbüro David Baumann GmbH provides engineering services in civil engineering with a focus on watercourse maintenance and flood protection. Services include planning, consulting and construction supervision for road and utility works, protective structures, renaturation and bioengineering measures.

Inhabita GmbH 

Siblingen · Since 2022

The core activity of Inhabita GmbH is architecture, particularly the planning, design and implementation of construction projects, such as the transformation of spaces and places, taking into account creative and calculative aspects.

INNOBAU Service GmbH 

Schattenhalb · Since 2023

insia AG 

Dornach · Since 2022

The core activity of insia AG is construction management, particularly the support of investors, builders and architects in the realization of construction projects in the Basel region, with the goal of meeting quality, cost and time targets.

Insyna GmbH 

Balgach · Since 2024

The core activity of Insyna Generalplanung GmbH is general planning and construction engineering services for construction projects, including new buildings, conversions and renovations of residential buildings, commercial buildings and other properties. The company provides services such as planning, design, materialization and implementation of construction projects, working closely with architects and other specialists.

IN-TIME Generalunternehmen GmbH 

Mönchaltorf · Since 2024

IN-TIME Generalunternehmen GmbH provides general contracting and construction services, including renovations and conversions, structural and civil works, concrete repair, façade scaffolding, trenching and crane operation.

i+R Industrie- & Gewerbebau AG 

St. Margrethen Sg · Since 2010

i+R Industrie- & Gewerbebau AG is a construction company that serves as a total and general contractor for industrial and commercial buildings. Its services include building and civil engineering, specialist deep foundation work, timber construction and related construction services.

Iris Engineering Sagl 

Vira (Gambarogno) · Since 2003

House Dream specializes in engineering and architectural services for the renovation and refurbishment of houses, particularly in the area of energy upgrading. They offer solutions for the technical and energy optimization of residential buildings and support customers in realizing their dream homes.

i+R Wohnbau AG 

St. Margrethen Sg · Since 1997

The company's core activity is the development and realization of real estate projects, particularly in the residential sector, as a general contractor and general contractor, with a focus on project and site development, as well as the trade of Takeuchi excavators and corresponding services such as service, rental and sales.

Iseni Bau AG 

Ostermundigen · Since 2022

Iseni Bau AG is a construction company offering demolition and deconstruction, asbestos remediation, renovation and interior finishing services. Its services include site stripping and entkernung, asbestos removal, plastering, carrier/structure installation, tiling and project/construction management.

Iten + Partner Architektur AG 

Mollis · Since 2007

The core activity of ITEN+partner architektur ag is the provision of architectural and construction management services, particularly in the areas of: project planning and execution planning, construction management and project management, scheduling and cost control, total and general contracting, building appraisals, feasibility studies and development concepts. The company offers these services to various clients, including private builders, entrepreneurs, industry, investors and the public sector, and focuses on the planning and realization of residential and commercial properties, including single-family homes, multi-family homes, overbuildings, residential and commercial buildings, as well as public buildings.

Iuliano Immobilien GmbH 

Wohlen Ag · Since 2012

The core activity of Iuliano Baumanagement GmbH is the planning, development and realization of construction projects, particularly in the field of residential construction. This includes the provision of services such as construction management, project planning, architecture and civil engineering services. The company accompanies its customers from the idea to the handover of the keys and offers high-quality apartments and single-family homes.