Owner's Representative

sigg elektroplanung gmbh 

Thayngen · Since 2014

The core activity of Sigg Elektroplanung GmbH is the planning and modeling of electrical installations, particularly using Building Information Modeling (BIM).

SILCC GmbH 

St. Gallen · Since 2023

SILCC GmbH provides the “Smart Immo Life Cycle Concept”, conducting periodic building-component and structural condition assessments and producing customised maintenance and renewal plans to support long-term investment planning. The company also develops architectural solutions and performs architectural design and construction management for conversions, renovations and extensions.

SL Projekt GmbH 

Hergiswil Nw · Since 2022

The core activity of SL Projekt GmbH is the comprehensive management of real estate projects, including: acquisition and sales mandates for properties, strategic planning, architecture and construction planning, project development, owner representation and construction supervision, cost management and transaction process support. The company thus offers a wide range of services aimed at supporting customers in the planning, implementation and marketing of real estate projects.

Sonderegger Baurealisation AG 

Rüti Zh · Since 2024

The core activity of Sonderegger Baurealisation AG is the planning and realization of construction projects, particularly in the field of high-rise construction, such as residential buildings, schools, retirement centers, and multi-purpose buildings. The company offers services such as construction management, project management, and construction economics, and has a team of experts with corresponding qualifications in the fields of architecture, civil engineering, and business administration.

Spendier Baumanagement GmbH 

Einsiedeln · Since 2023

SPIESS+PARTNER AG Büro für Baurecht 

Zurich · Since 2018

The core activity of Spiess+Partner is consulting and litigation in Swiss construction, planning and tendering law. They offer specialized services such as contract drafting and management, negotiations, mediation, dispute resolution, litigation and expert opinions for builders, contractors and planners.

SPITZLI baumanagement 

Jona · Since 2019

The core activity of Spitzli Baumanagement is to advise and support private and public clients in the development, planning and realization of construction and infrastructure projects, including project management, organizational development, procurement, construction and environmental law, as well as contract and claim management.

S. Stern GmbH 

Herrenschwanden · Since 2020

The core activity of S. Stern GmbH is construction management in the infrastructure sector, particularly the planning and execution of construction projects.

Stadelmann Baumanagement AG 

Lucerne · Since 2010

The core activity of Stadelmann Baumanagement AG is construction management, particularly the planning, execution and supervision of construction projects, including renovations, new buildings and conversions of residential and commercial buildings, as well as consulting and supporting clients in all phases of construction.

Stefan Schrader AG 

Zurich · Since 2017

The company 'Büro für Nachhaltigkeit am Bau' primarily deals with the planning, conception and implementation of sustainable construction projects. The core activity includes in particular the consulting and accompaniment of builders and project partners in the realization of environmentally friendly and ecologically sustainable construction projects, with a focus on the renovation and refurbishment of existing buildings rather than new construction.

Steinmann Immobilien 

Berikon · Since 2007

The core activity of Steinmann Immobilien is the purchase and sale of real estate, in particular residential properties such as holiday apartments and terraced houses, as well as the associated management and organization of sales processes.

Stephan Gmür Bauherrentreuhand GmbH 

Fällanden · Since 2019

The core activity of Stephan Gmür Bauherrentreuhand GmbH is the independent project management and supervision of real estate projects, particularly in the areas of new construction, renovation and project development, as a trustee for private builders, SMEs, smaller pension funds and institutional builders.

Stokar + Partner AG 

Basel · Since 2000

The company Stokar+Partner AG offers comprehensive services in the areas of project management, building technology and cost planning for construction projects. The core activities include: Project management: planning, coordination and monitoring of construction projects Building technology: planning and implementation of building technology systems, including heating, ventilation, air conditioning and sanitation Cost planning and controlling: creation of cost plans, monitoring of cost development and controlling of construction projects The company supports customers in planning, implementing and monitoring construction projects and offers comprehensive services to achieve the customers' goals.

STONE2HOME AG 

Steinhausen · Since 2024

The core activity of Stone2Home AG is the provision of services in the field of construction management, particularly in owner consulting, owner representation and construction management itself. This includes advising and accompanying private and institutional clients in all phases of the construction project, taking over control and monitoring tasks, as well as conducting negotiations with companies. The goal is to ensure the optimal execution of the construction project in terms of costs, deadlines and quality.

Stratego4 AG - Wir entwickeln Standorte 

Egg B. Zürich · Since 2007

The core activity of Stratego 4 AG is the comprehensive development, planning, implementation and management of real estate and locations. This includes the entire value chain from property conception to planning, implementation, management and marketing of properties, including energy consulting, financing support and project management.

SUcasa Baudienstleistungen GmbH 

Zofingen · Since 2019

The core activity of SUcasa Baudienstleistungen GmbH is the provision of construction and project services, in particular supporting building owners, general contractors and planning offices in the realization of renovations, extensions and new buildings of all kinds. This includes personal, competent and uncomplicated consulting as well as the assumption of tasks such as construction and project management, local construction management and the processing of tenders.

SUN4Everyone GmbH 

Bern · Since 2021

The core activity of SUN4Everyone GmbH is the development and provision of energy solutions in the field of renewable energies, particularly solar technology, as well as the provision of services such as training, coaching and consulting in the field of photovoltaics and electrical engineering.

SwissBauCo GmbH Schweizer Baucontrolling 

Glattpark (Opfikon) · Since 2007

The core activity of SwissBauCo GmbH is the provision of services in the construction and real estate sector, particularly in the areas of: * Owner representation * Expert opinions and quality assurance * Risk management * Façade consulting * Training * Defect rectification * General mandate The company offers comprehensive technical support to building owners, general contractors, and property managers to design construction projects efficiently, safely, and sustainably.

Sycamo Sàrl 

Estavayer-Le-Lac · Since 2017

Sycamo Sàrl provides construction project management, site supervision and building handover (reception d’ouvrage) services. Its activities include buyer management (gestion acquéreurs), renovation and interior design, as well as preparation of tenders, scheduling, budgeting, punch lists and execution control. The company collaborates with owners, asset managers, architects, general contractors and property managers.

Takt Baumanagement AG 

Zurich · Since 1990

The core activity of Takt Baumanagement AG is the overall management, construction management, cost planning and client consulting of construction projects, particularly in the field of high-rise construction, such as new buildings, conversions and renovations of residential and commercial buildings, educational institutions, sports facilities, retirement and care centers, as well as other complex construction projects.