20 Line Business Mobile Deals | Fleet Pricing UK 2026
Compare The Networks is a UK-based comparison service helping UK businesses compare telecoms options. We compare 20 line business mobile deals from EE, Vodafone, O2 and Three so you can make an informed decision.
Compare The Networks is UK-based, and current customer feedback is available on Trustpilot. You can request a free, no-obligation quote.
Get a free quote tailored to your business, or keep reading to learn more.
About 20 Line Business Mobile Deals
We compare 20 line business mobile deals from EE, Vodafone, O2 and Three. Whether you are looking for the cheapest option, the best coverage, or specific business features, we will show you what each network offers side by side.
How It Works
- Tell us what your business needs (number of lines, data usage, coverage requirements)
- We compare deals from all four major UK networks
- You choose the best option with no obligation
You can request a free, no-obligation quote. Compare The Networks is UK-based and helps businesses compare telecoms options.
Why Compare?
Most businesses overpay on their mobile contracts by 20 to 35 percent. The main reasons are auto renewed contracts at inflated rates, data plans that do not match actual usage, and hidden charges. Comparing all four networks side by side reveals whether you are getting good value or paying more than you need to.
| What We Check | Why It Matters |
|---|---|
| Coverage at your postcodes | The cheapest deal is useless with poor signal |
| Data vs actual usage | Right sizing prevents overpaying and overage charges |
| Contract terms | Length, price rises, exit fees all affect total cost |
| Multi line discounts | 5+ lines typically save 10 to 25 percent |
| Business features | Fleet management, MDM, roaming, support levels |
Frequently Asked Questions
How much do 20 business mobile lines cost?
The cost of 20 SIM only lines with unlimited data depends on the network, data allowance and contract length. At 20 lines you qualify for the deepest volume discounts, typically 15 to 25 percent below individual line pricing. We compare EE, Vodafone, O2 and Three to confirm your best price when you enquire.
What account-management support is available with 20 lines?
Account-management arrangements vary by provider and contract. Ask who will handle onboarding, number porting, technical issues, billing and renewals, and make sure those responsibilities are recorded in the quoted terms.
Can I roll out 20 lines in stages?
Yes. Staggered rollout is standard for larger orders. You can deploy lines in batches for example, 10 lines in week one and 10 in week two to minimise business disruption. All lines still qualify for the 20-line volume discount from day one.
What is MDM and do I need it for 20 lines?
MDM stands for Mobile Device Management. It lets you remotely configure, secure, and manage all 20 devices from a central dashboard. You can enforce security policies, push app updates, remotely wipe lost devices, and control data usage. For 20 lines we strongly recommend MDM most networks offer it as part of their business packages or as an affordable add-on.
What is the annual price increase on 20 line deals?
All networks apply a fixed price increase each April, added per line rather than as a percentage. It takes effect from the April after your contract starts. We'll confirm the exact amount for your chosen plan when you enquire.
Can I mix different plans across my 20 lines?
Yes. You can mix SIM only and handset lines, different data allowances, and even different networks in some cases. For example, field staff might need EE for rural coverage while office staff use Three for the best value. We design the optimal mix for your business.