About us
Radiator Software is a software company specialising in development and sales of network authentication products. Our headquarters are in Tampere, Finland. Radiator has a global clientele in over 180 countries across all continents. Radiator is most well known for Radiator AAA server, our all-in-one RADIUS, Diameter and TACACS+ server product.
Years in business
Our engineers have expertise from decades of development and design of enterprise and ISP networks. The initial Radiator AAA Server product was first released in 1998 and has been in active development since.
With the release of Radiator Policy Server in 2025, Radiator brings a new industry standard to RADIUS server performance and security with the completely rewritten and overhauled Rust-based Policy engine.
Used in most of world’s countries
Radiator is an extensible platform that comes with extension packs tailored for different carrier, enterprise, and public organisation needs. Radiator products are used by customers ranging from Tier 1 telcos to smaller ISPs and educational institutions in over 180 countries across the globe.
Extensive partner network
Radiator has extensive partner network on all continents for license sales and consulting services. Find more information the Radiator partner program here.
Radiator offices

Tampere headquarters
Varastokatu 3 A
33100 Tampere
Finland
+358 45 1266 895

Bergen office
Vestre Skostredet 2
5017 Bergen
Norway
Company information
Company information
Finnish Business ID: 1806724-6
European VAT number: FI18067246
Billing address
Our e-invoicing data is as follows:
Name: Radiator Software Oy
VAT-number: 1806724-6
E-invoicing address: 003718067246
Operator: Maventa
Operator Broker ID: 003721291126
Operator Broker ID in banking network: DABAFIHH
Paper format invoices
18067246
PL 100
80020 Kollektor Scan
Finland