Free Tool

VoIP Savings Calculator

Calculate how much your business could save by switching from a traditional phone system to hosted VoIP, including line rental, call costs, maintenance, and hardware savings.

Enter Your Current Costs

Total analogue lines, ISDN channels, or SIP trunks
Include line rental + call charges (excl. VAT)
Annual PBX maintenance / support contract
Total UK landline and mobile minutes across all lines
Minutes to international destinations per month
Age of your current phone system hardware

Average Savings by Business Size When Switching to VoIP

Business SizeLinesAvg. Current Cost/moAvg. VoIP Cost/moAvg. Monthly SavingAvg. Annual Saving
Micro (1–5)2–5£120–250£60–120£60–130£720–1,560
Small (6–20)5–15£400–900£180–450£220–450£2,640–5,400
Medium (21–50)15–40£1,000–2,500£450–1,100£550–1,400£6,600–16,800
Mid-Market (51–100)40–80£2,500–5,500£1,000–2,800£1,500–2,700£18,000–32,400
Enterprise (100+)80+£5,000+£2,200+£2,800+£33,600+

Figures are based on UK market averages and include line rental, call charges, and maintenance. Savings vary by current provider, contract terms, and call volumes. International callers typically see higher savings. Talk to our VoIP team

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