List Of All solar energy company Leads in St. Gallen
Find solar energy company in St. Gallen — 20 local businesses are listed below with their contact details and ratings. Ammann Solar AG currently holds the top rating at 5.0★, while the average across the list sits around 4.8★. Everything below is current as of 9/9/2026; click through to any listing for a website, map link, or way to get in touch.
20 results · last updated 9/9/2026
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| Name | Phone | Links | Reviews | Category | |
|---|---|---|---|---|---|
| Ammann Solar AGNeuensteigweg 16, 9424 Rheineck, Switzerland | +**7*8*••••0 | in**••••**.chRegister to View | 5.0(23 reviews) | Solar energy equipment supplier | |
| Schaer Energie AGKantonsschulstrasse 6, 9043 Trogen, Switzerland | +**7***••••8 | in**••••**.chRegister to View | 5.0(12 reviews) | Solar energy equipment supplier | |
| Lio-Solar GmbHHauptstrasse 112, 9052 Niederteufen, Switzerland | +**798*••••3 | in**••••**.chRegister to View | 5.0(12 reviews) | Solar energy company | |
| LDL Energie GmbHHerisauer Str. 69, 9015 St. Gallen, Switzerland | +**799*••••0 | — | 5.0(2 reviews) | Solar energy equipment supplier | |
| Solar Energy AnstaltEspenstrasse 139, 9443 Widnau, Switzerland | +**7*7*••••0 | — | 5.0(1 reviews) | Solar energy equipment supplier | |
| Elis Montage GmbHBachwiesstrasse 1, 9404 Rorschacherberg, Switzerland | +**76**••••5 | in**••••**.chRegister to View | 5.0(1 reviews) | Solar energy company | |
| Free State AGSchmiedgasse 5, 9000 St. Gallen, Switzerland | +******••••5 | in**••••**.chRegister to View | 5.0(1 reviews) | Solar energy equipment supplier | |
| SOLEXUS Switzerland GmbHHauptstrasse 71, 9422 Thal, Switzerland | +**7*77••••0 | of****••••solarRegister to View | 4.8(59 reviews) | Solar energy company | |
| eco SolarHomeRorschacher Str. 109A, 9000 St. Gallen, Switzerland | +**7***••••4 | vs****••••*.comRegister to View | 4.8(58 reviews) | Solar energy equipment supplier | |
| LERM Solar AGLukasstrasse 29, 9008 St. Gallen, Switzerland | +**7**7••••3 | in**••••**.chRegister to View | 4.8(19 reviews) | Solar energy company | |
| energy factory St. Gallen AGZürcherstrasse 204F, 9014 St. Gallen, Switzerland | +**7**7••••9 | — | 4.7(3 reviews) | Consultant | |
| Helion Energy AGSpühlstrasse 4, 9016 St. Gallen, Switzerland | +**7***••••0 | — | 4.6(30 reviews) | Solar energy equipment supplier | |
| solarmotion agWehrstrasse 2, 9015 St. Gallen, Switzerland | +**7***••••0 | g.****••••**.chRegister to View | 4.5(17 reviews) | Solar energy equipment supplier | |
| SAK onergy AGBildweiherstrasse 9, 9015 St. Gallen, Switzerland | +**7**9••••7 | in**••••**.chRegister to View | 3.6(5 reviews) | Energy supplier | |
| Halo SolarLehnstrasse 66, 9014 St. Gallen, Switzerland | +**7679••••9 | m.****••••**.chRegister to View | — | Solar energy company | |
| Genossenschaft Solar St.GallenHaselstrasse 15, 9014 St. Gallen, Switzerland | +**797*••••4 | — | — | Add hours | |
| Fortis Tech AGFürstenlandstrasse 107, 9014 St. Gallen, Switzerland | +**7***••••8 | — | — | Solar energy company | |
| oikos-solarDufourstrasse 50, 9000 St. Gallen, Switzerland | — | — | — | Non-profit organisation | |
| OptisizerWehrstrasse 2, 9015 St. Gallen, Switzerland | +**7***••••4 | — | — | Software company | |
| CKW St. GallenFürstenlandstrasse 142, 9014 St. Gallen, Switzerland | +**7**9••••0 | — | — | Solar energy equipment supplier |