Property developer in
Basel

Dietziker Partner Baumanagement AG

Since 2005 · 21–50 empl.

The company's core activity is providing services in the field of construction management, particularly in the areas of construction trust, general planning and cost planning for construction projects. The company supports customers in planning, implementing and monitoring construction projects and offers solutions for new buildings, conversions and renovations in various industries such as office, commercial, industrial, healthcare, education and residential.

bau-plenum GmbH

Since 2005 · 1–10 empl.

The core activity of the company "Bau-Plenum" encompasses the planning, monitoring and realization of construction projects, including: cost planning and control, project management and supervision, construction management and coordination, fire protection planning and monitoring, integral construction trust and administration, as well as renovations, conversions and extensions. The company thus offers comprehensive services for the planning, realization and management of construction projects.

Unica Planen und Bauen AG

Since 2006 · 1–10 empl.

Unica Planen und Bauen AG is an architecture firm that plans and delivers single-family homes, multi-family buildings, renovations and public buildings. The company supports clients from the initial concept through to execution and also offers services for new-build projects, small houses and refurbishments.

baupro grunder ag

Since 2007 · 1–10 empl.

baupro grunder ag provides advice, support and representation for building owners, along with construction and project management. Its services include project development, general planning, cost and schedule planning, tendering, site management and quality control for new builds, alterations, refurbishments and renovations.

Schaub Bauexperten GmbH

Since 2008 · 1–10 empl.

The core activity of Schaub Bauexperten GmbH is the provision of services in the fields of architecture, construction engineering, building technology, and project management. This includes, among other things: architectural and design services, construction and building technology services, expert opinions and appraisals, including court and private appraisals, project management and owner representation, troubleshooting and damage analysis, construction management and supervision. The company thus offers a comprehensive range of services for building owners, architects, and other stakeholders in the construction industry.

REVERSUM GmbH

Since 2014 · 1–10 empl.

REVERSUM GmbH designs and constructs reversible architecture using prefabricated solid-wood elements that can be assembled, disassembled and transported. The company employs the Holz100 system and develops modular elements and room modules to support reuse and resource-conserving construction.

First Site Invest AG

Since 2015 · 1–10 empl.

First Site Invest AG is an independent real estate services company offering project development, architectural planning, owner's representation (bautreuhand), financing and property marketing. The firm develops projects to building readiness, represents clients during construction and arranges land transactions and investor contacts.

TerraStar AG

Since 2015 · 11–20 empl.

The core activity of TerraStar AG is the development and rental of real estate, including residential space, commercial and office space, as well as the management and administration of these properties.

Renosa Bau AG

Since 2016 · 1–10 empl.

The company's core activity is the execution of renovation and construction projects in the building sector, including planning, site management and execution of works such as drywall construction, carpentry and demolition, with the aim of delivering high-quality results at fair conditions and within the planned time and budget framework.

Oktant Plus AG

Since 2016 · 1–10 empl.

Oktant Plus AG is a family-run architecture firm that combines craftsmanship with sustainable design. The practice handles projects from feasibility studies and hand-drawn planning to detailed models, project management, site supervision and turnkey delivery of residential buildings.

Census Capital GmbH

Since 2016 · 1–10 empl.

Census Capital GmbH develops and delivers real estate projects in Switzerland and Mallorca. Its projects include condominiums, detached houses and villas, developed in collaboration with architects, planners and local construction partners.

Realista Immobilien AG

Since 2016 · 1–10 empl.

Realista Immobilien AG is a real estate agency providing brokerage, sales and property management services. Its services include marketing and communication for listings, digital owner access (online portal) with 24/7 access, property valuations and an online sales package offered at CHF 9'900.

cctm real estate & infrastructure AG

Since 2016 · 1–10 empl.

cctm real estate & infrastructure AG provides advisory and project-owner services for real estate and infrastructure projects, covering conception, planning, project and construction management, and client representation. Its offerings include area and district development, specialised properties (e.g. healthcare, social, logistics), real-estate advisory and transaction support, and financing/structuring solutions.

WSG AG, Basel

Since 2017 · 21–50 empl.

WSG AG, Basel is a real estate company that plans, develops, invests in and realises sustainable and innovative property projects. Its services include investment, development, realisation and design-build for residential and commercial developments.

Glaser Baupartner AG

Since 2019 · 11–20 empl.

The core activity of Glaser Baupartner is the sustainable development, construction and maintenance of real estate.

GreySky Properties Holding AG

Since 2019 · 1–10 empl.

GreySky Properties Holding AG is a real estate company that acquires, finances, develops and manages residential properties and builds property portfolios. The company applies strategies such as “Manage to Core” to optimise operating costs, vacancies and risks, and focuses its activities on the German-speaking region of Switzerland, particularly the Basel area.

JP DL AG

Since 2020 · 1–10 empl.

JP DL AG provides owner representation, project development and real estate advisory services for owners, companies, investors and the public sector, supporting projects from initial concept through completion. Services include client advisory and project support, target-group definition and positioning for new build, conversion and renovation, project and rent calculations, project steering and portfolio development (excluding property management).

Bauwert Schweiz GmbH

Since 2019 · 1–10 empl.

The company's core activity is the strategic planning and consulting of property owners, portfolio managers and planners in the field of real estate. This includes market and location analysis, the development of decision-making bases, the consideration of life cycles of building components and the accompaniment of planning and construction processes.

Sodor 22 AG

Since 2020 · 1–10 empl.

Sodor 22 AG is a real estate company that develops and manages a portfolio of residential properties. The company primarily invests in residential buildings in urban and suburban markets and assesses assets for repositioning and development potential through active asset management.

Raymond Gaëtan Architecture & Development AG

Since 2018 · 1–10 empl.·5.0(3)

The core activity of Raymond Gaëtan Architecture & Development is the planning, development and realization of high-quality residential properties, particularly luxury apartments and houses, taking into account sustainability, design and individual customer requirements. The company offers a comprehensive service that ranges from architecture to planning, realization and sales of residential properties.

Zanotelli AG

Since 1988 · 1–10 empl.·4.5(2)

Zanotelli AG is active in real estate development and management and holds investments in other companies. It also produces and distributes Fontclara olive oil.

wir vor Ort GmbH

Since 2022 · 1–10 empl.

The core activity of the company 'Wir vor Ort GmbH' is the consulting and support of builders and real estate developers in the planning, implementation and communication of construction projects. This includes in particular: Development of real estate strategies and utilization concepts, stakeholder management and communication, marketing and branding for construction projects, healthcare-specific consulting and support, project accompaniment and management. The company positions itself as an agency for construction communication, real estate strategies, interim and final uses, stakeholder management, branding and marketing.

Complimmo Development AG

Since 2023 · 1–10 empl.·4.9(7)

Complimmo Development AG develops, constructs and markets real estate projects and manages projects from feasibility study through to handover. The company acts as both a general contractor and a total contractor and, in cooperation with KOHLERSTRAUMANN ARCHITEKTEN AG, offers architectural services.

De Cornalin Immobilien GmbH

Since 2018 · 11–20 empl.·4.8(5)

The core activity of De Cornalin Immobilien encompasses the provision of services along the entire value chain surrounding real estate, including: real estate development and marketing, consulting for property owners and prospective owners, real estate investments and brokerage, as well as transactions and sales of real estate. The company positions itself as a modern, owner-managed service company with long-standing experience in the regional and national real estate market as well as in private banking.

Sodor 21 AG

Since 2021 · 1–10 empl.

Sodor 21 AG is a real estate company focused on acquiring, developing and managing residential properties. The company primarily invests in urban and suburban residential assets—with an emphasis on affordable housing—and applies active asset management to realize repositioning and value potential.

Rimmo-Invest AG

Since 2020 · 1–10 empl.

Wegwarte AG

Since 2023 · 1–10 empl.

Wegwarte AG is responsible for the operational implementation of the Franck Areal and will take the site under leasehold (Baurecht). It coordinates area development activities and is listed as leading communications for the project.

Werkarena Basel AG

Since 2019 · 11–20 empl.·3.9(19)

The core activity of Urban Estates AG is the rental of commercial spaces, in particular in the Werkarena Basel, a modern industrial park in a prime location. The company offers individual spaces for companies that are rented in a shell state, allowing tenants to design and build out their spaces according to their specific needs.

DOMA Family AG

Since 2022 · 1–10 empl.

DOMA Family AG provides renovation and refurbishment services, offering independent construction management, consulting, and turnkey (contract-for-work) solutions. Services include property potential analyses, cost estimates, planning and building-permit submissions, tendering, site supervision and final acceptance with defect checks.

Sodor 23 AG

Since 2022 · 1–10 empl.

Sodor 23 AG is a real estate company that focuses on the development and management of residential properties. The company invests in housing in urban centres and peripheral areas of Swiss agglomerations and applies active asset management to identify repositioning and value-enhancement opportunities. It also develops residential projects, including condominiums and single-family homes.

Sodor 24 AG

Since 2022 · 1–10 empl.

Sodor 24 AG is a real estate company that develops and manages existing property portfolios and acquires new residential properties. The company focuses on housing investments and applies active asset management to unlock repositioning and redevelopment potential.

gsi Bau- und Wirtschaftsingenieure AG

Since 1974 · 11–20 empl.·4.5(2)

The core activity of gsi Bau- und Wirtschaftsingenieure AG is the provision of services in the field of engineering and construction consulting, particularly in the areas of civil and special foundation engineering, pipeline construction, transportation infrastructure, water and wastewater management. This includes, among other things: construction consulting, organization, information and communication, engineering, construction project management and implementation, and expert opinions. The company offers these services to authorities and industrial companies and has its own team of engineers, construction managers and designers who plan, advise and implement projects.

Höhn + Co.

Since 1994 · 1–10 empl.·5.0(2)

The core activity of Hoehn&Co is real estate management and development, particularly in the residential construction sector in the Basel-Stadt agglomeration. Specific services include usage studies, portfolio analyses, development of real estate projects, support for investment and divestment decisions, as well as restructuring of existing properties.

VISIONAPARTMENTS BASEL AG

Since 2016 · 101–500 empl.·3.2(22)

VISIONAPARTMENTS BASEL AG offers fully furnished serviced apartments for short- and long-term stays. Apartments are available in various sizes and include amenities such as high‑speed internet, weekly housekeeping, self check‑in and local customer support.

Walde MFH AG

Since 2025 · 1–10 empl.

Walde MFH AG is a real estate company focused on the sale, purchase and rental of residential, investment, new-build and holiday properties. It also provides property appraisals and advisory services for property marketing.

mereas GmbH

Since 2010 · 1–10 empl.·5.0(5)

The core activity of Mereas is the renovation and conversion of real estate, in particular old buildings and style buildings, as well as the sale and rental of condominiums and rental properties.

Intercity Immobilien AG, Zweigniederlassung Basel

Since 2025 · 11–20 empl.

Intercity Immobilien AG, Zweigniederlassung Basel brokers and markets real estate. The company focuses on the sale of properties and owner-occupied homes, as well as rental services and project development.

Rhystadt AG

Since 2019 · 1–10 empl.·3.7(3)

Rhystadt AG is developing the Klybeck site into a mixed-use urban district. The company is gradually transforming the former industrial site into a place for living, working and leisure, and leases studio, laboratory and office space during the development process.