The 2 best construction companies in Winterthur
avg 4.6 ★ · 0 open now · ranked by Hero Score · Updated 6 September 2026 How do we rank?
Anyone building, converting or renovating in Winterthur faces one key question: which company to trust with the project. Our overview lists 2 construction Construction Companies in the area and makes them easy to compare. On average that's 4.6 out of 5 stars. Top-rated: Boni AG. Check the specialisation: not every firm covers new builds, conversions, renovations and shell construction equally – make sure their expertise matches your project.
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Frequently asked questions
How many construction companies are there in Winterthur on CityHero?
CityHero currently lists 2 construction companies in Winterthur, rated 4.6 out of 5 stars on average. Currently top-rated: Boni AG.
How many construction companies are there in Winterthur?
CityHero currently lists 2 construction Construction Companies in Winterthur. You can compare them by rating and specialisation and contact the ones you like directly, free of charge.
What does a construction company in Winterthur cost?
Costs depend heavily on the type of project, its scope and the materials chosen, so there are no flat rates. The most reliable approach is to use CityHero to request quotes from several firms in Winterthur with one enquiry and compare them.
How do I find a reliable construction company in Winterthur?
Look at customer reviews, concrete reference projects and a transparent quote. On CityHero you can compare 2 firms in Winterthur by rating and request non-binding quotes to weigh price against service.
Should I get several quotes for my building project?
Yes, multiple quotes reveal the realistic price range and differences in what's included. With CityHero you send one enquiry to several construction Construction Companies in Winterthur at once and receive several comparable offers.