Last updated: March 2026 • Reviewed by Compare The Networks
Business Mobiles in London
London businesses benefit from the best mobile coverage in the UK. All four major networks offer full 4G and extensive 5G across the capital, meaning you can choose based on price and features rather than worrying about signal strength.
London 5G Coverage by Network
| Network | Central London 5G | Greater London 5G | Unlimited SIM Only |
|---|---|---|---|
| EE | Excellent Widest | Very Good | £19/mo |
| Three | Excellent | Good | £10/mo Cheapest |
| Vodafone | Very Good | Good | £16/mo |
| O2 | Good | Growing | £25/mo |
In London, Three offers the best value at £10/month for unlimited 5G data. EE is the premium choice with the widest and fastest 5G.
London Business Mobile Packages
| Package | Includes | Monthly Cost | Best For |
|---|---|---|---|
| Startup Package | SIM Only Unlimited on Three | £10/mo | Freelancers & sole traders |
| Professional Package | SIM Only + 020 Virtual Landline | £16/mo | Consultants & small offices |
| Team Package (5 lines) | 5x SIM Only Unlimited | £45/mo | Small businesses |
| Office Package | 10x SIM Only + VoIP | £180/mo | Growing London offices |
Get a London Business Mobile Quote
We help London businesses find the best mobile deals. Free, impartial comparison across all networks.
Get London Quote020 Virtual Landline for London Businesses
A virtual landline with a 020 number gives your business a professional London presence:
- Local credibility — a 020 number says “established London business”
- Calls to your mobile — answer your 020 number anywhere, from your mobile
- No hardware needed — just a mobile phone
- From £6/month — fraction of the cost of a physical office line
Particularly valuable for estate agents, consultants, freelancers, and home-based businesses wanting a professional London presence.
London Industry-Specific Deals
- Creative agencies — unlimited data for file sharing, cloud design tools, and client video calls
- Finance & legal — secure devices with encryption, call recording for compliance
- Estate agents — unlimited calls + 020 virtual landline for property listings
- Retail & hospitality — card terminal SIMs + staff mobiles
- Couriers & delivery — unlimited data for navigation and proof-of-delivery apps
Which network has the best 5G in London?
All four networks have strong London 5G. EE is widest, Three is cheapest (£10/month unlimited). For most London businesses, any major network will work well.
Can I get a 020 number for my business?
Yes. A virtual landline gives you a 020 London number from £6/month. Calls forward to your mobile. No hardware needed.
What is the cheapest business mobile in London?
SIM only from £6/month (1GB). Unlimited data from £10/month on Three. London’s excellent coverage means you can safely choose the cheapest network.