We are a team with extensive experience in complex projects for national and international clients. Our Architecture, Engineering, and Interior design projects deliver integrated and sustainable solutions, combining functionality, flexibility, and creativity. With over 30 years of experience, we stand for quality, reliability, and professional expertise.

30 years of experience

We offer our clients a comprehensive service in architecture, engineering, and interior design

As a Spanish-German firm, we combine reliability with Mediterranean creativity

30 years of experience in developing projects for national and international clients

BIM planning with Revit, implemented in general planning and together with our project partners

Sector Experience

Our Customers

  • Activ - Group
  • AEG
  • B|Braun
  • Bertelsmann
  • Barcelona d'Infraestructures Municipals
  • Bionorica extracts
  • Carburos Metálicos - Air Products
  • CBRE
  • Chancerygate
  • Doc Morris
  • Dow Chemical
  • Dragados S.A.
  • Drees & Sommer
  • ECE
  • BRD - Bundesrepublik Deutschland
  • GESA ENDESA
  • FORD Werke GmbH
  • Forum Barcelona 2004
  • Hamann Int.
  • ICI Paints
  • Itercom
  • Lecta
  • MEC METRO-ECE Centermanagement
  • Mercedes - Benz
  • Metro Properties
  • Motorworld
  • Port de Barcelona
  • Printer Industria Gráfica
  • Puratos
  • RACC Automóvil Club
  • Renta Corporación
  • Robinson Club
  • Seaside Hotels
  • SEAT
  • solidare real estate holding plc
  • Symrise
  • Tönnies
  • Unimo
  • Volkswagen
  • World Trade Center Barcelona

Do you have questions about a project? Contact us today.

Gregor Mertens

Gregor Mertens

Responsible for Architecture

1993–2000 University studies at TU Darmstadt, Germany, and ETSAB, Barcelona. Academic degree: Dipl.-Ing. Architect (Architect). 2008 Postgraduate in Architecture and Sustainable Urbanism at Universidad La Salle. Since 2008 at TBI as Project Director and Design Coordinator, and since 2019 partner and member of management.

Stefan Richter

Stefan Richter

Responsible for Architecture and Engineering

Born in 1974 in Schwerte, Germany. 2001 University studies at TU Dortmund, Germany. Academic degree: Dipl.-Ing. Architecture (Architect). 2004 Master’s in Computerization of Architectural Projects at UPC, Barcelona, 2020 Postgraduate in Project Management at Escola Sert, Barcelona. Since 2005 at TBI as Project and Construction Director, and since 2019 partner and member of management.

Sofia Alexanderson

Sofia Alexanderson

Responsible for Interior Design

Born in Karlskrona, Sweden, in 1976. Between 1999 and 2003, completed university studies at the Design Institute of San Diego (USA), earning the degree of Interior Architect BFA (Fine Arts). Worked at Puresang Diseño-Arquitectura (Barcelona) between 2007 and 2014. Since 2014 part of TBI as Head of the Interior Design Department and, since 2025, partner and member of management.

News

New contract from Qiagen

Sunday 01 June 2025 -

We are proud to announce that TBI Architecture & Engineering has been selected to design the new innovation hub for the biotechnology company Qiagen in Barcelona.

The new 6,000 m² center in the former Braun factory in Esplugues de Llobregat will support the development of tests for infectious diseases and precision medicine applications.

Together with our interdisciplinary team, TBI has completed the integrated architecture, engineering, and interior design executive project phase and will lead ...

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