ISG is a global construction specialist, delivering places where people and businesses thrive.

Explore our work in fit out, technology and construction.

What we do

ISG in Germany

Since launching in 1992, our German business has delivered fit out and refurbishment projects across the offices, retail, technology and science sectors.

Our head office is based in Frankfurt, and we also have offices in Hamburg, Berlin, Munich and Cologne.

We are experts in delivering challenging, technology-led and innovative spaces that help people and businesses thrive, with an unwavering focus on achieving the best customer experience, regardless of the location, size or complexity of the project.

Complete certainty

At ISG, it’s our mission to ensure you feel complete certainty in our ability to deliver precisely to your needs. For three decades, we have been providing construction solutions to some of the world’s most successful and enduring businesses, cities and institutions. As demonstrated by our client list, our track record of repeat business, and our numerous industry accolades, our customers trust us to deliver—in Germany, and around the globe.

See our sector experience

Tecton Engineering

We are the majority stakeholder in German office fit out company Tecton Engineering. This partnership has strengthened our geographical coverage across Germany where we now have five offices. Tecton was established in 2000 and its customers are predominantly owners of commercial real estate and include Talanx, IVG, MEAG, DEVK, AXA, Immofinanz and Generali.

Tecton Engineering

Join #TeamISG

Join a company that values bold ideas, puts customers at the heart of everything we do and as a caring employer encourages you to never stop learning. #TeamISG.
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Careers - ISG