With the Spectrum Group’s experience in developing and marketing international, prime-quality projects, and a team of renowned architects and building companies, the company undertakes projects boasting international standards in Germany and Portugal, covering every stage from design to marketing.


The Spectrum Group’s projects reflect the company’s commitment to collaborating with local and national companies, which offer high potential in the field of urban regeneration and the realisation of high-end building projects.
Here is a selection of our projects.


Oporto, Portugal

DeHAUS_Garten Residenz is a gated community with 17 apartments, as well as shared and private gardens, located right on the Avenida da Boavista in Oporto. The project consists of an existing mansion, dating from the 1930s, and two additional constructions to the west and east of the plot. With a plot size of 4970 sqm and a floor space of 4850 sqm, this is currently one of the most exclusive projects being developed and sold in Oporto.
The project is currently being built and will be completed in December 2016.


Hotel Adagio München

Munich, Germany

This 120-room hotel is centrally located, close to Munich’s central train station, and was built by the Spectrum Group for the two French hotel groups Accor S.A. and Pierre et Vacances S.A. The project was undertaken for hotel operator Adagio as an apartment-hotel, and boasts a floor space of 5700 sqm.
The hotel currently figures in the portfolio of Spectrum Immobilien Verwaltungsgesellschaft mbH&Co.Kg

Hotel Atrium

Munich, Germany

This 160-room hotel is located between Munich’s central train station and the Theresienwiese. It was built by the Spectrum Group for the Best Western Group. The project has a floor space of 5000 sqm and a beautiful atrium, which fits seamlessly into Munich’s typical perimeter block building style and embraces nature on its rear façade and patio area.
In 2007 the project was sold to a Danish group of investors.


Munich, Germany

The Sabelschule is centrally located near to Munich’s central train station and is operated by the Sabel Bildungsgruppe. The Sabel Bildungsgruppe has several sites in Germany, operating a business school, a secondary school and other courses in their Munich site. The building complex has a floor space of 5560 sqm, providing several outdoor break areas on different levels.
The Sabelschule currently figures in the portfolio of Spectrum Immobilien Verwaltungsgesellschaft mbH&Co.Kg



The Spectrum Group currently owns several shareholdings in companies in Germany and Portugal. The individual companies are specialised in fields that include purchase of real estate, investments in international building projects, development and marketing of projects, advisory and consultancy services in the real estate sector, as well as letting and management of properties.


The satisfaction of each and every client is paramount for the Spectrum Group – as much in consulting and collaborative work, as in the realisation of projects. Transparency and quality are as much part of this quest for satisfaction as working as a team to achieve the best possible result for our clients.
For us, the future of the Spectrum Group involves an ongoing and strong commitment to Germany and Portugal. Through the stable development of both these member states of the European Community, great opportunities will continue to be assured, allowing our clients to undertake premium projects.




Jigsaw_architecture+design is a Portuguese-German architecture practice in Oporto, Portugal, with international experience in the planning and realisation of architecture and interior design projects. Through many years of experience in upmarket residential construction and in the public sector, the architecture firm ensures a reliable performance in terms of planning and costing, as well as meeting deadlines throughout the entire construction process.
When designing the projects, collaboration between the architecture practice and the client is of equally crucial importance as sustainability (on request with LiderA – seal of quality), cost effectiveness and the comfort of the completed building.



Omega, ltd. was founded in 1986 and has its headquarters in Oporto, Portugal. Boasting 20 years of experience in engineering projects, construction management and consulting services, the engineering company plans and carries out both national and international projects.
The aim of this engineering company is to find the best solution for the project and the client every time, using high-quality materials and efficient processes.



Grassinger Emrich Architekten GmbH, an architect and urban planning practice, designs and carries out building projects in Munich and throughout Germany. The guiding principle of the firm – human architecture – focuses on fair play and puts an emphasis on the needs of the people. The architecture firm places importance on finding a balance between the aims of the client, the needs of the user and the design principles of the architect.
The architecture firm undertakes building projects of all sizes. From project development to implementation, in addition to urban planning and the role of general planner. Established for many years in Munich, the firm boasts exceptional knowledge of the Munich real estate market, as well as an excellent contact network for private and public players.


Rua Arquitecto Cassiano Barbosa, 6F/29
4100-009 Porto | Portugal
T +351 226 102 035
Rua Arquitecto Cassiano Barbosa, 6F/29
4100-009 Porto | Portugal
T +351 226 102 035
Bayerstr. 18
80335 München | Germany
T +49 89 548 80 777-0