Onni Isännöinti
Property management for small housing companies across Finland, billed as a fixed monthly fee, with a resident portal
Highlights
- New on EvolcAdded 2026-11-03
About Onni Isännöinti
Onni Isännöinti Oy is a professional property management (ammatti-isännöinti) firm for small housing companies in Finland. Its monthly fee covers bookkeeping, invoice payment, accounts payable, maintenance charge monitoring with payment reminders, financial statements, management of one capital loan, and customer service for residents, property agents and contractors. Boards can also order additional support for board meetings, general meetings, and technical project negotiations and supervision.
Customers are housing companies (asunto-osakeyhtiöt), their boards, shareholders and residents. The company charges a fixed monthly price for its core bookkeeping and management services. Its Onnila customer portal, opened in October 2026, gives residents, shareholders and boards access to documents, payment and loan information, renovation notices, orders and bookings.
Onni was founded in 2018 and is headquartered in Helsinki. It lists service locations in towns and cities across Finland, from Helsinki and Espoo to Kolari and Iisalmi, and operates fully electronically as well as locally.
Product: Property management and bookkeeping services for housing companies, plus the Onnila online customer portal for residents, shareholders and boards.
Jobs at Onni Isännöinti
More real estate & proptech companies
op-koti.fi
Residential property brokerage and rental listings for home buyers, sellers and renters across FinlandNew on EvolcPähkinähoito
Property management and maintenance services for housing companies in western Vantaa, FinlandNew on EvolcPandia
Property management, budgeting and loan software for Finnish property owners and rental housing companiesNew on EvolcPihtiputaan Kiinteistöpalvelu
Property management and building maintenance services for property owners and residents in Pihtipudas and ViitasaariNew on EvolcPirkanmaan Laatuvälitys
Real estate brokerage for home sales, purchases and rentals in the Tampere region, FinlandNew on Evolc
Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
Analytics
- Google Tag ManagerMedium confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Integration code on pageinline script loader
- Microsoft ClarityMedium confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Integration code on pageinline script loader
- PlausibleHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Website resourcedeclared script/iframe or software asset
Backend
- PHPHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Response headerx-powered-by
Content management
- WordPressHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Website resourcedeclared script/iframe or software asset
Forms
- Contact Form 7High confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Website resourcedeclared script/iframe or software asset
Frontend frameworks
- jQueryHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Website resourcedeclared script/iframe or software asset
Hosting
- nginxHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Response headerserver
Privacy & consent
- CookiebotHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Website resourcedeclared script/iframe or software asset
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.