Real Estate Project Development in
Basel

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.

The core activity of Baupro Grunder AG is the planning, execution and management of construction projects, including new buildings, conversions, renovations and refurbishments, as well as the provision of services such as owner consulting, project management, general planning, cost and schedule planning, tendering and submission, contract management and construction management.

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.

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 focused on residential buildings and villas. The company cooperates with architects and construction partners to provide project development, sales of condominiums and single-family homes, and renovation projects. Projects are carried out in Switzerland and on Mallorca.

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.

Novexus Real Estate Development AG

Since 2024 · 1–10 empl.·5.0(46)

Novexus Real Estate Development AG is a real estate development company that plans and implements residential and commercial projects. The company also operates digital platforms and consumer brands, including a software-based procurement platform and skincare/product lines.

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.

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.

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.

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.

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.

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.

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).

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.

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.

Zanotelli AG

Since 1988 · 1–10 empl.·4.5(2)

The core activity of Zanotelli AG encompasses four main areas: 1. **Real Estate Development**: The company develops and implements real estate projects. 2. **Real Estate Management**: Zanotelli AG manages and maintains real estate portfolios. 3. **Participations**: The company holds shares in other companies and is thus invested in various industries and projects. 4. **Fontclara Olive Oil Production and Distribution**: Zanotelli AG produces and distributes olive oil under the Fontclara brand. These activities are the main focus of the company and form the basis of its business operations.

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.

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.

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.

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.

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.

Rimmo-Invest AG

Since 2020 · 1–10 empl.

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.

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.

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.

Courvoisier Stadtentwicklung GmbH

Since 2010 · 11–20 empl.·4.5(2)

The core activity of Courvoisier-Projekte is the development of areas, public spaces and neighborhoods, as well as the establishment of institutions. They provide impulses, lead and accompany projects for authorities, companies and non-profit organizations such as foundations and cooperatives.

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.

Ekon Modulbau GmbH

Since 2022 · 1–10 empl.

Ekon Modulbau GmbH provides design, factory production and on-site assembly of prefabricated and modular timber buildings. Services include single-family prefabricated houses, multi-storey modular buildings and mobile units, as well as packaging, logistics, export documentation, installation, site supervision and consulting, using certified eco-friendly materials and targeting low-energy performance.