The 31 best renovation companies in St. Gallen
avg 4.6 ★ · 1 open now · ranked by Hero Score · Updated 6 September 2026 How do we rank?
Whether it's an older-building refurbishment, an extension or a modernisation after buying a flat, St. Gallen offers 31 Renovation Companies to choose from. Each listing shows specialisms and references so you can match the firm to your job. On average that's 4.6 out of 5 stars. Top-rated: Der Cleaner. Always request a detailed written quote with itemised positions, a payment schedule and references for comparable projects – that's how you spot hidden costs and judge experience rather than just the bottom-line price.
31 results
HOCH, Kantonsspital St.Gallen, Zentrale Aufnahme
4.5(85)
Rorschacher Str. 95/Haus 07
Closed · opens Monday at 06:15
multistudio GmbH | Architekt St. Gallen | Innenarchitekt
5.0(12)
Feldlistrasse 1
Closed · opens Monday at 09:00
SENN MALEREI GmbH
Stationsstrasse 15
Egloff Wörwag Architects AG
St. Jakob-Strasse 103
Boscardin + Roefs Architektur + Baumanagement GmbH
Harzbüchelstrasse 6
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Frequently asked questions
How many renovation companies are there in St. Gallen on CityHero?
CityHero currently lists 31 renovation companies in St. Gallen, rated 4.6 out of 5 stars on average. Currently top-rated: Der Cleaner.
How do I find a good renovation firm in St. Gallen?
On CityHero you can compare the 31 Renovation Companies in St. Gallen by rating, specialism and references. The easiest route is to send your request free of charge to several firms at once and choose based on the quotes you receive.
What does a renovation cost in St. Gallen?
Costs depend heavily on scope, the building's condition and your choice of materials – a light refresh sits well below a full gut renovation. You only get reliable figures from an on-site quote, so gather a few to compare.
Does the firm also coordinate the trades?
Many Renovation Companies in St. Gallen offer renovation from a single source, including site management and scheduling for plumbing, electrics and painting. Ask when you enquire – the profile and reviews show who handles this.
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.