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Dialphone Limited

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The Phone System That Pays for Itself: 12 Real UK Case Studies With Hard Numbers

Every VoIP provider claims to save you money. We decided to prove it with data from 12 real DialPhone customers. No cherry-picking — these are consecutive deployments from Q1 2026, presented with actual figures.

The 12 Cases

# Industry Users Old Cost/mo DialPhone/mo Savings/mo Savings % Break-Even
1 Solicitors (Bristol) 35 £1,650 £840 £810 49% 2.1 months
2 Recruitment (Leeds) 12 £890 £288 £602 68% 1.1 months
3 Accounting (Birmingham) 28 £1,480 £672 £808 55% 1.8 months
4 Estate Agency (London) 22 £1,340 £528 £812 61% 1.5 months
5 Construction (Manchester) 45 £2,400 £1,080 £1,320 55% 2.3 months
6 Insurance Broker (Edinburgh) 18 £1,100 £432 £668 61% 1.4 months
7 Dental Practice (Cardiff) 8 £520 £192 £328 63% 1.2 months
8 IT Consultancy (Reading) 15 £680 £360 £320 47% 2.8 months
9 Marketing Agency (Manchester) 50 £3,945 £1,200 £2,745 70% 0.8 months
10 Logistics (Midlands) 65 £4,200 £1,560 £2,640 63% 1.9 months
11 Financial Advisers (London) 20 £1,250 £480 £770 62% 1.6 months
12 Architecture Firm (Glasgow) 14 £780 £336 £444 57% 1.7 months

Aggregate Statistics

Metric Value
Average monthly savings £1,022
Average savings percentage 59%
Average break-even 1.7 months
Minimum savings 47% (IT consultancy — already had competitive deal)
Maximum savings 70% (marketing agency — heavily overcharged)
Companies that saved money 12/12 (100%)
Average 3-year net savings £34,900

Every single company saved money. The range was 47-70%, averaging 59%. Not one company paid more after switching.

Common Patterns

Pattern 1: Companies paying separately for call recording saved the most (avg +8% extra savings)

Pattern 2: Companies with PRI circuits saved more than companies on SIP trunks (legacy PRI = most overpriced)

Pattern 3: Companies with remote workers saved additionally on mobile twinning fees (£4-8/user/month eliminated)

Pattern 4: Break-even was under 3 months for all 12 companies. Under 2 months for 9 of 12.

Get Your Number

DialPhone — free bill analysis. Email your invoices. Get your personalised savings calculation within 48 hours. If we cannot save you money, we will tell you.

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