About us

Onecom is the UK’s leading business telephony and cloud communications provider, operating from regional offices across the UK.


The company currently manages nearly 100,000 business organisations, delivering IT services, communications, and unified solutions across fixed-line voice, connectivity and managed cloud to some of the UK’s most dynamic companies.


Its customers include Farrow & Ball, Thwaites, Celtic Manor, Laithwaite’s Wine, Yorkshire Building Society and 118 UK Ltd. In 2019, Onecom secured a funding package from mid-market private equity firm LDC and funds managed by Ares Management Corporation to help support organic and acquisitive growth.

Working with



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Products and Solutions

  • Horizon Collaborate
    Business Phone System
  • Cloud Contact Centre
  • Microsoft Teams
  • Direct Routing
  • SIP Trunking and Call Management
  • Inbound Call Routing
  • Gamma Mobile
  • Advanced Network Services Access
  • Security
  • WIFI

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