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About us

We have kept developing since 1951. Over decades, a small joinery has grown into a company with international reach. What has remained is the closeness to manufacturing, short lines of communication and the commitment to precise work.

What defines us

What matters is not breadth alone, but how it came about: from craft precision, technical curiosity, closeness to customers and the ambition to develop our own solutions for new tasks.
That keeps Erich Keller agile without becoming arbitrary.

Discover our history
Historical photo of the Erich Keller AG company building from 1951

Erich Keller in the press

What we build on

Precision

We plan carefully, manufacture under control and deliver projects with clear processes – from the first design to the last detail.

Reliability

Our solutions are installed in places where a great deal has to function reliably: in trading floors, corporate headquarters, control centres and control rooms of critical infrastructure, in high-quality interiors and technically demanding buildings.

Continuous development

At Erich Keller, new competences arise from concrete tasks. Interior fit-out gave rise to specialised workstations, workstation cooling to climate technology, and spatial and ventilation expertise to Talky.

Sustainability

Our environmental management has been certified to ISO 14001 since 1997. We document our environmental performance annually, prepare a corporate CO₂ balance and set new priorities where the impact is greatest.

Sustainability at Erich Keller

Quality

Quality shows in planning, manufacturing and delivery. Clear processes and controlled manufacturing ensure that projects are delivered as they were planned.

Quality at Erich Keller

Our team

At Erich Keller a team works that shares the company’s values. With enjoyment of the craft, an eye for detail and pride in the profession, more than 150 employees contribute to our success every day.

To the team
Management team of Erich Keller AG, group photo in the production hall

Management

Rooted in Sulgen, active internationally

Erich Keller plans and produces in Sulgen in the canton of Thurgau. Through showrooms, sales partners and service partners we are present where our customers plan, decide and deliver.

Location type