onsim.uk
UK mobile network offering call recording, virtual landline numbers and landline SIMs to businesses and households
Highlights
- New on EvolcAdded 2026-11-03
About onsim.uk
ONSIM runs a SIM-based mobile network in the UK. Its services include network-level call and SMS recording, virtual UK landline numbers (01, 02 and 03) on a mobile SIM, landline SIMs, call cost controls and an API. The service works without an app or VoIP client.
Customers are businesses and households that use business mobile and landline numbers, call recording and compliance recording. Virtual landline numbers are offered from £5 per month. The website cites 7,500+ customers and 4.53m monthly calls.
ONSIM was founded in 2013 and is headquartered in London. It also has an office in Ballasalla, Isle of Man, where it lists open roles for a marketing manager and a customer support role.
Product: SIM-based mobile network with network-level call and SMS recording, virtual landline numbers, landline SIMs and an API.
Jobs at onsim.uk
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Website technologies
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