Müller Family Office AG
5.0(123)Immobilien / Vermögensverwaltung / Kunst, Neugasse 1
avg 4.6 ★ · ranked by Hero Score · Updated 22 October 2026 · How do we rank?
Request for free – up to 2 businesses with one request → · Select up to two listings or start the request right away.
4.6(16)Lukasstrasse 21
5.0(6)Hintere Bahnhofstrasse 3
5.0(6)Lerchentalstrasse 21
4.6(11)Schuppisstrasse 3
4.6(9)Herisauer Str. 45
4.6(9)Greithstrasse 17
4.4(19)Walenbüchelstrasse 23
5.0(4)Martinsbruggstrasse 65
4.9(7)St. Georgen-Strasse 174A
4.3(40)Burgstrasse 108
4.3(16)Zürcherstrasse 244
5.0(3)Obere Friedhofstrasse 10
5.0(1)Flurhofstrasse 22
5.0(1)Herisauer Str. 58
4.3(7)Industriestrasse 15
3.4(5)Schönbüelpark 10
5.0(1)Oberer Graben 16
2.6(13)Feldlistrasse 2
Wehrstrasse 12
Bachstrasse 19
Fürstenlandstrasse 122
Heimatstrasse 29
Lukasstrasse 29
Key facts
CityHero lists 26 real estate developers in St. Gallen (as of October 2026), averaging 4.6 out of 5 Google stars. Number 1 in the Hero Score is Müller Family Office AG (5.0 stars, 123 reviews).
Source: CityHero directory, ratings via Google · as of October 2026.
Real Estate Developers develop, build and sell property projects, from apartment buildings to individual condominiums. In St. Gallen there are currently 26 providers to choose from, each with its own focus, construction method and project portfolio. On average that's 4.6 out of 5 stars, with addresses in 9000 St. Gallen, 9016 St. Gallen and 9015 St. Gallen and beyond. Top-rated: Müller Family Office AG. Compare the contractual basis carefully: works contract or purchase agreement, a defined finishing standard, a payment plan tied to construction progress, plus warranty and guarantee periods (SIA standards) should all be clearly set out.
Grouped by postcode – areas with the most listings first.
CityHero currently lists 26 real estate developers in St. Gallen, rated 4.6 out of 5 stars on average, with addresses in 9000 St. Gallen, 9016 St. Gallen and 9015 St. Gallen and beyond. Currently top-rated: Müller Family Office AG.
Counted by postcode, most listings are in 9000 St. Gallen: 10, 9016 St. Gallen: 5 and 9015 St. Gallen: 4. The neighbourhood sections on this page show the addresses for each area.
With a turnkey purchase the developer's work is included in the price, and a separate fee like an architect's usually does not apply. Costs depend heavily on location, finishing standard and project size, so ask for a concrete offer with a payment plan.
A property developer takes a building project from the plot all the way to turnkey handover and usually sells the finished units as condominiums or houses. Planning, building permits, financing and coordinating the trades are all handled in one place.