List Of All extension builder Leads in Helsinki
17 extension builder in Helsinki are covered on this page, listed with their contact details and customer ratings. The highest-rated listing here is Renew Construct Oy at 5.0★; across the full list, ratings average close to 4.6★. Updated 8/21/2026 — scroll down to compare the full list and follow through to whichever business suits your needs.
17 results · last updated 8/21/2026
Want this list saved for later?
Free account: export to CSV, save to your CRM, and get alerts when new extension builder appear in Helsinki.
| Name | Phone | Links | Reviews | Category | |
|---|---|---|---|---|---|
| Renew Construct OyKarjopolku 9, 01360 Vantaa, Finland | +**8****••••7 | in**••••**.fiRegister to View | 5.0(32 reviews) | Home builder | |
| Rakennus Renki Oyrakennusrenki.fi | +**8**76••••2 | ka****••••**.fiRegister to View | 5.0(23 reviews) | Construction Company | |
| Gmk-Design Oy AbKnaapilantie 28, 04330 Lahela, Finland | +**8***7••••2 | in**••••**.fiRegister to View | 5.0(14 reviews) | Construction Company | |
| Raksire Oyraksire.fi | +**8***6••••2 | — | 5.0(6 reviews) | Custom home builder | |
| XinhAlbertinkatu 19 F 67, 00120 Helsinki, Finland | +**8***9••••4 | us**••••*.comRegister to View | 4.9(127 reviews) | Nail salon | |
| JFR Jugofin Rakennus OyRiihitie 11b17, Helsinki, Finland | +**8****••••2 | ju****••••*.comRegister to View | 4.9(82 reviews) | Construction Company | |
| Pluspuu TalotElimäenkatu 17-19, 00510 Helsinki, Finland | +**8**87••••7 | in**••••**.fiRegister to View | 4.8(8 reviews) | Custom home builder | |
| Sunhouse talot OyHauhontie 4 F, 00550 Helsinki, Finland | +**8**79••••0 | in**••••**.fiRegister to View | 4.6(10 reviews) | Construction Company | |
| Laatoitus- ja Muurauspalvelu PPPannipolku 11 G 14, 00430 Helsinki, Finland | +**8****••••9 | pa**••••**.fiRegister to View | 4.4(13 reviews) | Tile contractor | |
| YIT Rakennus OyPanuntie 11, 00620 Helsinki, Finland | +**8***••••1 | so****••••*.comRegister to View | 4.0(63 reviews) | Construction Company | |
| Skanska CDFNauvontie 18, 00280 Helsinki, Finland | +**8**7••••1 | — | 3.9(55 reviews) | Construction Company | |
| Runtu Works OyNuijamiestentie 5, 00400 Helsinki, Finland | +**8**76••••0 | to****••••**.fiRegister to View | 3.4(11 reviews) | Home builder | |
| JobDone oy+358 44 2490460 | +**8****••••0 | — | — | Home builder | |
| PREVITALE OÜprevitale.ee | +*7****••••8 | in****••••*.comRegister to View | — | Construction Company | |
| Jalus OyLyhtytie 19 Halli 1, 00750 Helsinki, Finland | +**8***6••••2 | — | — | Home builder | |
| DomCon Oy+358 41 3134272 | +**8****••••2 | — | — | Home builder | |
| RS-Business Oy+358 44 2400401 | +**8****••••1 | — | — | Custom home builder |