
If you’ve always used personal phone contracts, the world of business mobiles can seem confusing. Different billing, VAT rules, fleet management, spend caps — it’s a lot. This guide breaks down exactly how business mobile contracts work in the UK so you can make an informed decision.
Business Mobile Contracts: The Basics
A business mobile contract works much like a personal one, but with key differences designed for companies:
- The contract is in your company name — not a personal name
- Billing goes to the business with proper VAT invoices
- You can manage multiple lines from one account
- Multi-line discounts reduce the per-handset cost
- Credit checks are run against the business (Companies House), not your personal credit
SIM Only vs Handset Contracts
You have two main options:
SIM Only (From £6/month)
You keep your existing phone and just get a business SIM. This is cheaper and more flexible — contracts are often 30 days or 12 months. Ideal if your team already has handsets.
Handset + Plan (From £20/month)
The network provides a new handset bundled with your airtime. Contracts are typically 24-36 months. The full cost of the handset is spread across the contract term. The handset element is also a tax-deductible business expense.
How Business Mobile Billing Works
Business billing is simpler than you’d think:
- One consolidated bill for all your lines — no chasing individual receipts
- Line-by-line breakdown showing usage per employee
- Proper VAT invoices suitable for your accountant and HMRC
- Spend caps to prevent bill shock from data overuse or roaming
Keeping Your Existing Numbers
You don’t lose your phone numbers when switching. The PAC code process lets you port any UK mobile number to your new business contract. It takes 1 working day and is completely free.
Setting Up a Business Mobile Fleet
Whether you’re setting up 2 phones or 200, the process is straightforward:
- Audit your current usage — data, minutes, texts per user
- Choose the right network — based on coverage at your locations
- Select plans — mix of SIM only and handset contracts to suit each role
- Port numbers — request PAC codes from current providers
- Set up management — MDM, spend caps, and usage policies
- Activate and distribute — your provider handles provisioning
Business Mobile Tax Benefits
The financial benefits of business mobiles are significant:
- 100% VAT recovery on all airtime and rental charges
- Corporation Tax deduction — mobile costs reduce taxable profits
- Capital allowance on handset purchases
- No BIK tax — HMRC doesn’t treat a business mobile as a benefit-in-kind (one phone per employee)
Get Started
Setting up business mobiles doesn’t have to be complicated. Get a free quote and we’ll handle everything — from plan selection and number porting to device setup and ongoing support.
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