The 4 best renovation companies in Schlieren
avg 4.5 ★ · ranked by Hero Score · Updated 19 October 2026 · How do we rank?
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Friedrich Gebäudetechnik GmbH
4.1(15)Grabenstrasse 5, 8952 Schlieren
Key facts
CityHero lists 4 renovation companies in Schlieren (as of October 2026), averaging 4.5 out of 5 Google stars. Number 1 in the Hero Score is Dober AG (4.5 stars, 36 reviews).
- Listings
- 4
- Avg. Google rating
- 4.5 / 5
- No. 1 Hero Score
- Dober AG
- Reviews in total
- 64
Source: CityHero directory, ratings via Google · as of October 2026.
Renovation Companies in Schlieren: what to know
Renovating is all about planning: Schlieren lists 4 Renovation Companies that guide you from quote through site management to handover. Instead of ringing round one by one, check ratings and services in one place. On average that's 4.5 out of 5 stars. Top-rated: Gruezh AG. Ask about site management and trade coordination (electrics, plumbing, painting): a firm that delivers everything from one source with a fixed schedule and clear cost breakdown spares you juggling several contractors.
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Frequently asked questions
How many renovation companies are there in Schlieren on CityHero?
CityHero currently lists 4 renovation companies in Schlieren, rated 4.5 out of 5 stars on average. Currently top-rated: Gruezh AG.
How long does a renovation take?
A bathroom is often done in one to two weeks, while a whole flat can take several weeks to months depending on scope. Ask for a concrete timeline with milestones in the quote so you can plan around it.
How do I find a good renovation firm in Schlieren?
On CityHero you can compare the 4 Renovation Companies in Schlieren by rating, specialism and references. The easiest route is to send your request free of charge to up to two firms at once and choose based on the quotes you receive.