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Heizung & Sanitär Müller & Sohn GbR

Dortmund

About the company

Heizung & Sanitär Müller & Sohn GbR was established in 1992 by Klaus Müller in Dortmund shortly after German reunification. Klaus, a master plumber from West Germany, saw opportunity in the growing construction market. The business remained small until 2004 when his son Thomas joined after completing his apprenticeship and later his Meister qualification. In 2010, they formally restructured as a GbR (partnership under civil law) with father and son as equal partners. The company has maintained its small, family-oriented approach, focusing primarily on residential work within Dortmund and surrounding communities.

Values

Heizung & Sanitär Müller & Sohn GbR emphasizes traditional craftsmanship and personal relationships with customers. They pride themselves on reliability and straightforward communication, with many clients coming from word-of-mouth referrals. The company values flexibility and practical solutions over theoretical perfection. When it comes to work safety, their approach is somewhat inconsistent – while basic safety equipment is available, it's not always strictly enforced, especially for simpler tasks. Klaus has an old-school mentality of "we've always done it this way" regarding some safety protocols, though Thomas has been pushing for more consistent adherence to modern safety standards, particularly when apprentices are on site.

Workshop

The Müller & Sohn workshop occupies the ground floor of a small commercial building in an industrial district of Dortmund. The 250 square meter space is divided between a front office area with a small customer reception desk and the main workshop at the rear. The workshop has concrete floors with clear signs of decades of use, including stains from various materials and wear patterns near the main workbenches. Tools are stored in a combination of aging metal cabinets and open shelving units, generally organized but with a lived-in appearance. A small break room in the corner features a coffee machine, refrigerator, and a table where the team gathers for lunch. The company's three vans are parked outside in a small fenced lot adjacent to the building.

Services

Specifics

Buying behavior

We can't afford to waste money on fancy brands just for the name. I look for tools that offer good value and will last at least a few years of daily use. German brands when possible, but we're not snobs about it.

Tool brands

Bosch Professional, Rothenberger, Rems, Makita, Metabo, Buderus, Knipex

Employees

Contracts