Business Phone System
Compare US and UK providers by the seats you will actually pay for, including minimums and the monthly billing premium.
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Business phone systems · United States
The five cheapest published prices for a 10-person team
Standalone phone systems only, ordered by effective cost per seat over three years. Prices are copied from each provider’s own pricing page; this is a price order, not a rating, and no position is for sale.
| Provider and plan | 10 users / month | First year | Taxes and fees | Provider site |
|---|---|---|---|---|
| GrasshopperSmall Business · flat package, $5.50 per user | $55 | $660 | Not stated | Check current plans |
| Vonage Business CommunicationsMobile (5–19 lines) · annual billing, $12.59 per user | $126 | $1,511 | Extra, no amount | Check current plans |
| Dialpad (Connect)Standard · annual billing, $15.00 per user | $150 | $1,800 | Extra, no amount | Check current plans |
| NextivaCore · annual billing, $15.00 per user | $150 | $1,800 | Extra, no amount | Check current plans |
| OpenPhone (now Quo)Starter · annual billing, $15.00 per user | $150 | $1,800 | Extra, varies by location | Check current plans |
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UK providers
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Prices checked 2026-09-06 and shown before taxes, regulatory fees, desk phones, porting and add-ons; monthly totals use each plan’s published rate on the billing term shown. Plans that need another subscription first (Google Voice, Microsoft Teams Phone) are listed on the full 10–24 seat table. We do not take payment for placement.
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Business phone pricing
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Our method
See what is included in every estimate.
We use vendors’ own pricing and help pages, show when figures were checked, and publish the limits and assumptions behind each calculator. A result is a budget estimate based on disclosed terms; taxes, location, discounts and a negotiated quote may change your bill.
Tables are ordered by the stated calculation, not by a product rating or payment for placement. We do not claim hands-on testing where we have not tested a product. For an example of the underlying work, see the phone pricing formula, price change log and the SEO pricing dataset.
Source linkedOfficial vendor pages appear beside the figures.
Usage basedSeats, sites or credits shape the estimate.
Dates visibleCheck the row date before you buy.