Why 2026 Is the Best Year to Switch Your Business Mobile Provider

Published: 4 March 2026 • Compare The Networks

Every year, we tell businesses that timing matters when switching mobile providers. But 2026 is genuinely different. The UK mobile market has just gone through its biggest structural change in over a decade, and the knock-on effects are creating opportunities that won’t last forever.

Here’s why right now is the best time to review your business mobile contract — and what you stand to gain.

The Market Has Fundamentally Shifted

The completion of the Vodafone and Three merger in 2025 didn’t just change one network — it reshaped the entire competitive landscape. With the UK’s two mid-tier operators now operating as one, the market has consolidated from four major networks to three. And that’s driving competition in a way that directly benefits business buyers.

Here’s what’s different:

• The combined network is aggressively pricing to win business customers — they need to prove the merger delivers value, which means competitive deals
• EE and O2 are responding with better offers — neither wants to lose market share to the new supernetwork
• Business brokers like us are seeing the best wholesale rates in years — which we pass directly to our customers

In short, the networks are fighting harder for your business than at any point in recent memory. That’s good news if you’re buying.

Coverage Has Taken a Giant Leap Forward

If you last checked network coverage a year or two ago, the map has changed dramatically. The merged Vodafone/Three network has already activated over 8,000 shared sites, removing more than 16,500 km² of partial coverage gaps — an area ten times the size of London.

That means areas that were previously dead zones on one network are now fully covered. If you chose your current provider based on which network worked best in your area, it’s worth rechecking — the answer may have changed.

4G Speeds Are Up 20%

Beyond just coverage, the combination of radio spectrum from both networks has delivered a measurable speed improvement. Over 7 million customers have seen an average 20% increase in 4G speeds — that’s faster downloads, smoother video calls, and less buffering in congested areas like high streets and city centres.

5G Is Rolling Out Faster Than Expected

The £11 billion investment behind the merger is accelerating 5G deployment. Around 50 million people — roughly 71% of the UK population — are expected to have access to the fastest 5G speeds by the end of year one. The long-term target is 99% 5G standalone coverage by 2030.

If you’re on a 24-month contract signed in 2024, you may have locked in at a time when 5G coverage was sparse and 4G speeds were lower. Switching now means accessing a fundamentally better network.

Annual Price Rises Make Old Contracts Expensive

Every major UK mobile network applies annual price increases — typically CPI + 3.9% each April. If you signed a 24-month contract in early 2024, you’ve already absorbed two rounds of increases. That £20/month plan could now be costing you £23+ per line.

Meanwhile, new contract prices have come down thanks to increased competition. You could switch to a better plan with more data and superior coverage and still pay less than your current inflated rate.

Here’s a real-world example:

The maths speaks for itself. For a business with 10 lines, that could mean saving £80–£130 per month.

Switching Has Never Been Easier

If the hassle of switching has put you off in the past, the process has been streamlined significantly:

1. Text PAC to 65075 — you’ll receive your porting authorisation code by text within 60 seconds
2. Give the PAC to your new provider — they handle the switch, usually within one working day
3. Your number transfers automatically — no downtime, no lost calls

Ofcom regulations mean your old provider can’t make it difficult. They can’t charge exit fees beyond your contract end date. And with a broker like Compare The Networks handling the process, you don’t even need to deal with the paperwork.

Five Signs It’s Time to Switch

Not sure if switching is right for your business? Here are the telltale signs:

1. Your contract has ended and you’re out of minimum term — you’re probably paying more than you need to. Networks don’t automatically reduce your price when the contract ends.
2. Your team complains about signal — if dropped calls and slow data are a regular frustration, the coverage landscape has changed enough that a different provider may solve the problem.
3. You’re paying for data you don’t use — or running out before the month ends. Either way, your plan doesn’t match your actual usage.
4. You’re not on 5G yet — if 5G is available in your area and you’re not taking advantage, you’re leaving speed and reliability on the table.
5. Your provider hasn’t proactively offered you a better deal — networks rarely volunteer their best rates. A broker will find them for you.

What to Look For in Your Next Contract

When you do switch, here’s what matters most for business users in 2026:

• Coverage at your specific postcodes — don’t just look at national coverage percentages. Check signal strength at your office, your team’s home addresses, and key client locations.
• 5G access included — make sure 5G is part of your plan at no extra cost, so you benefit as coverage expands in your area.
• Transparent price increases — all UK networks now apply annual CPI + 3.9% increases. Budget for this and factor it into your total cost comparison.
• Flexibility — 12-month contracts offer a good balance between price and freedom. Avoid 36-month lock-ins.
• Business features — account management portals, spend caps, MDM compatibility, EU roaming — these matter more than saving £1/month on the headline rate.

All prices exclude VAT. Annual CPI + 3.9% price increases apply to all tariffs. Compare The Networks is regulated by OFCOM.