The best real estate agencies in Au (SG)
Compare real estate agencies in Au (SG), ranked by proximity, reviews and number of transactions over the last 12 months, with their offices on the map and the best agents in the area.
Neho4,6 · 2,069 Trustpilot reviews- 2RT Immobilien Treuhand AG4.8· 70 Google reviews
- 3Ganahl Immobilien AG4.9· 13 Google reviews
- 4RL Immo2 properties for sale
Ranking of real estate agencies in Au (SG)
Agencies are ranked by the number of properties they have for sale locally.
- Flat fee from CHF 14,000
- Free valuation
- 4.6/5 on Trustpilot (2,069 reviews)
- 2RIRT Immobilien Treuhand AGChurerstrasse 53, 9450 Altstätten, Suisse4.8· 70 Google reviews35 % of listings
- 3GIGanahl Immobilien AGBahnhofstrasse 24, 9443 Widnau4.9· 13 Google reviews12 % of listings
- 4RIRL Immo2 properties for sale12 % of listings
- 5CCasielo GmbH1 property for sale6 % of listings
- 6HVHEV Verwaltungs AG4.1· 40 Google reviews6 % of listings
- 7IImmosky AG4.1· 357 Google reviews6 % of listings
- 8NAnovaron Architektur Baumanagement Konzept AG1 property for sale6 % of listings
- 9PHPREMIUM HOMES AG4.7· 266 Google reviews6 % of listings
See the 2 other agencies
- 10RRE/MAX4.8· 25 Google reviews6 % of listings
- 11SDSonnenbau Dienstleistungs AGMoosstrasse 1, 9444 Diepoldsau, Suisse3.8· 37 Google reviews6 % of listings
Data: November 2026. Ranked by the number of properties for sale published online by each agency. Neho, a partner of Acheteur.ch, is placed first (sponsored content). Trustpilot rating as of 26.10.2026.
Properties for sale per agency come from our partner Lookmove. Although Acheteur.ch strives to ensure their accuracy, these figures are an estimate, provided as a service to you, and may contain inaccuracies. Agencies’ Google ratings as of 27.10.2026.
The best agents near Au (SG)
A local agent guides you from the valuation to the signing at the notary.
Neho agents ranked by number of sales. Photos, areas, sales and Google reviews published on neho.ch; without reviews of their own, Neho’s Google rating in the canton.
Which agency to choose in Au (SG) for your situation?
The ranking does not tell the whole story: the right choice depends on your situation. Neho in most cases, another agency when it makes more sense.
You need to sell fast
Our pick: Neho · Rexhail JahiuWhen time is short, the asking price is everything. Rexhail Jahiu, with 59 sales in the area, sets a price based on sales actually signed near you. With 17 properties for sale in Au (SG) right now, a listing at the right price from day one keeps yours from getting lost in the crowd.
Why this pick: The 10 Neho agents listed in the canton have 708 sales between them. Source: neho.ch, October 2026
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You are selling after a separation
Our pick: Neho · Rocco VecchiaAfter a separation, you need a price both parties accept. Rocco Vecchia is the single contact for both of you, and Neho’s fixed fee is easy to split, with no percentage to negotiate. For a family house in Au (SG), at around CHF 8'991 per m², a valuation backed by comparable sales avoids many arguments.
Why this pick: Among the sold properties listed by Neho agents in the canton: 95 houses and 100 apartments. Source: neho.ch, October 2026
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You are selling an inherited property
Our pick: Neho · Rocco VecchiaFor an inherited property, the valuation is also used to divide the estate: Neho’s is reviewed by Rocco Vecchia, who knows local prices. The fixed fee is easy to split between heirs.
Why this pick: Neho’s Google rating in the canton: 4.4 from 38 reviews. Source: neho.ch, October 2026
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Retired, you are downsizing
Our pick: Neho · Rexhail JahiuSelling the family home and buying smaller means timing two transactions. Rexhail Jahiu follows you from valuation to the notary, with one contact throughout. To buy again in Au (SG), expect around CHF 8'182 per m² for an apartment.
Why this pick: 10 Neho agents listed in the canton: a contact close to you, from valuation to the deed. Source: neho.ch, October 2026
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You live abroad or speak another language
Our pick: Neho · Rocco VecchiaFrom abroad, you need someone on site. Rocco Vecchia speaks German, English and Italian and runs the viewings without you.
Why this pick: The 10 Neho agents in the canton speak German, English, Spanish, French and Italian. Source: neho.ch, October 2026
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Young family, selling to buy bigger
Our pick: Neho · Rocco VecchiaBefore visiting houses, get your apartment valued: Rocco Vecchia gives you a realistic price, and so your purchase budget. Useful benchmark: around CHF 8'182 per m² for an apartment, CHF 8'991 for a house.
Why this pick: Among the sold properties listed by Neho agents in the canton: 95 houses and 100 apartments. Source: neho.ch, October 2026
See profileYou are selling a luxury property
Our pick: Engel & VölkersLuxury properties often sell to buyers who go through specialised agencies: Engel & Völkers, an international agency network focused on high-end property, is our first choice. For comparison, 3 % of 3 million is CHF 90'000; Neho’s fee is CHF 16'500.
You are selling a rental building
Our pick: RT Immobilien Treuhand AGFor an income property, a management agency like RT Immobilien Treuhand AG (6 properties for sale in Au (SG)) knows how to present the rent roll to investors. For a single rented apartment, Rocco Vecchia at Neho does the job well, for a fixed fee.
Still unsure?
How to choose a real estate agency in Au (SG)?
- 1Step 1 of 5
Choose for your profile
Separation, inheritance, retirement, moving abroad: every sale has its constraints. Favour an agent who knows yours (see our recommendations by situation).
Separation Inheritance Retirement Moving abroad - 2Step 2 of 5
Compare fees
Most agencies charge 2 to 4% of the sale price. A flat fee is known in advance and does not rise with the price.
Traditional agencies2–4 %Neho flat feeCHF 16'500 - 3Step 3 of 5
Check local presence
An agency that already has properties for sale in the municipality knows local prices and buyers in the area.
- 4Step 4 of 5
Ask for a reasoned valuation
Beware of a price set too high to win the mandate: ask for the recent comparable sales that support it.
- 5Step 5 of 5
Read the mandate
Duration, exclusivity, fees if you withdraw: have each clause explained before signing.
- Duration
- Exclusivity
- Withdrawal fees
What is your property worth?
acheteur.ch values your property for free and with no commitment, based on hundreds of comparable property sales near you, analysed by artificial intelligence.
- Hundreds of comparable sales in your area
- A calculation refined by artificial intelligence
- Free, no commitment, result in a few minutes
