Business Mobile Deals for Limited Companies: Tax, VAT & Best Plans 2026

Published: 17 March 2026 • Compare The Networks

If you are a limited company director looking for a business mobile deal, you are in the strongest position of any business type when it comes to tax benefits. A mobile phone contract in your company name is fully deductible against corporation tax, the VAT is reclaimable, and the phone itself is exempt from benefit-in-kind tax. This guide explains exactly how to set up business mobile contracts through your limited company, what the tax advantages are, what credit checks to expect, and which deals offer the best value in 2026.

How to Get a Business Mobile as a Limited Company

Setting up a business mobile contract in your limited company name is straightforward. Here is what you need:

What You Will Need

• Company registration number: Your Companies House registration number (8 digits)
• Registered company address: As shown on Companies House
• Director details: Name, date of birth, and home address of at least one director
• Trading address: If different from the registered address
• Bank details: For direct debit setup
• Proof of identity: Some networks may require a director’s photo ID for verification

The Application Process

1. Choose your plan: Select the network, data allowance, and handset (if applicable)
2. Business credit check: The network runs a credit check on your company (and sometimes the director personally)
3. Contract agreement: The contract is between the network and your limited company, not you personally
4. SIM/phone delivery: Physical SIMs arrive within 1–2 working days; eSIMs can be activated instantly
5. Number porting: If transferring an existing number, text PAC to 65075 and provide the code to your new provider

The entire process typically takes 2–3 working days from application to active SIM. Using a broker like Compare The Networks can speed this up as we handle the paperwork and liaise with the network on your behalf.

Tax Advantages of Business Mobiles for Limited Companies

This is where limited companies have a significant advantage over sole traders and personal contracts. The tax benefits are substantial and straightforward:

Corporation Tax Deduction

The full cost of a business mobile contract — including line rental, calls, data, and any handset cost — is deductible against your company’s profits before corporation tax is calculated. At the current corporation tax rate of 25%, this means the government effectively pays a quarter of your mobile bill.

Example

That is an effective saving of 45% compared to the pre-tax cost. On a personal contract, you would pay the full competitive rates plus VAT (competitive rates) with no tax relief.

VAT Reclaim

If your limited company is VAT-registered, you can reclaim 100% of the VAT on business mobile contracts that are in the company name. This applies to:

• Monthly line rental
• Inclusive and out-of-bundle call charges
• Data charges
• The handset element of phone contracts
• Accessories purchased through the business

Important To reclaim VAT, the contract must be in the company name, not your personal name. If the contract is in your personal name, you can only reclaim VAT on identifiable business calls (not the line rental) — a much less favourable position.

Benefit-in-Kind (BIK) Exemption

Under ITEPA 2003, Section 319, one mobile phone per employee (including directors) provided by the employer is exempt from benefit-in-kind tax, provided it is used mainly for business purposes. This means:

• No additional income tax for the director or employee
• No employer’s National Insurance contribution
• No P11D reporting required
• Personal use is permitted (it just needs to be “mainly” for business)

This is a significant advantage. If you instead gave yourself a competitive rates phone allowance, it would be taxable as salary — you would pay income tax and NI on it, and the company would pay employer’s NI. A company phone avoids all of this.

Contract in Company Name vs Personal Name

The tax treatment differs dramatically depending on whose name the contract is in:

Our recommendation: Always put the contract in the company name. The tax benefits are substantially better, the admin is simpler, and there is no downside for a director who controls the company.

Credit Checks for Limited Companies

When you apply for a business mobile contract, networks run a credit check on your limited company. Here is what they look at and how to prepare:

What Networks Check

• Company credit score: Via agencies like Creditsafe or Experian Business
• Filed accounts: Whether your accounts are up to date at Companies House
• Company age: How long the company has been incorporated
• CCJs and defaults: Any county court judgments or defaults against the company
• Director history: Whether directors have been involved in dissolved companies
• Payment history: If you have existing trade credit, whether you pay on time

New Limited Companies (Under 2 Years Old)

If your company is less than two years old or has not yet filed accounts, networks have limited data to assess. In this case:

• Most networks will run a personal credit check on a director as a guarantor
• The director may need to personally guarantee the contract
• Some networks are more flexible with new companies than others
• A broker can advise which network is most likely to approve your application
• Starting with SIM only (lower financial commitment) improves approval chances

Improving Your Chances of Approval

• Ensure your Companies House filings are up to date (confirmation statement, accounts)
• Check your company’s credit score before applying (Creditsafe offers free checks)
• Start with a smaller number of lines and scale up as your credit history builds
• Offer to pay the first month upfront if the network requests additional security
• Consider SIM only deals initially — lower monthly cost means lower risk for the network

Best Deals for Limited Companies in 2026

Here are the best-value business mobile deals currently available for limited companies:

Best SIM Only Deals

Note “Effective cost after tax relief” assumes a VAT-registered limited company paying 25% corporation tax. The calculation: monthly cost minus 20% VAT reclaim, then minus 25% corporation tax on the remaining amount.

Best Phone Deals

Director’s Phone as a Business Expense

As a director of a limited company, the most tax-efficient way to handle your own mobile phone is:

1. Take out the contract in the company name — not your personal name
2. The company pays the bill directly — from the business bank account
3. No P11D reporting — one phone per director is BIK exempt under ITEPA 2003, Section 319
4. Personal use is permitted — the exemption applies even if you make personal calls, provided the phone is mainly for business use
5. No expense claim needed — since the company pays directly, there is no expense to claim

This is far simpler and more tax-efficient than taking out a personal contract and claiming back the business-use proportion. It is also better than paying yourself a phone allowance, which would be taxable as salary.

What If You Already Have a Personal Contract?

If you currently have a personal mobile contract and want to switch to a company contract:

• Wait for your current contract to end, or pay the early termination fee
• Text PAC to 65075 to get your porting authorisation code
• Take out a new contract in the company name and provide the PAC to port your number
• Start claiming the tax benefits immediately from the date the new contract begins

Adding Employee Phones to the Company Account

Once your company mobile account is set up, adding phones for employees is straightforward and delivers the same tax advantages:

Tax Treatment of Employee Phones

• One phone per employee is BIK exempt — no additional tax for the employee, no employer’s NI
• The full cost is corporation tax deductible — line rental, calls, data, and handset
• VAT is reclaimable on the full bill amount
• No P11D reporting for the first phone per employee
• A second phone for the same employee would need to be reported on P11D and would be taxable

Setting Up Employee Lines

1. Decide on a standard plan (or allow choices within a budget)
2. Request additional lines on your existing business account
3. Each line gets its own contract term (independent of your existing lines)
4. Set data caps and barring rules per line if needed
5. Include the phones in your written mobile device policy

Expenses and Record-Keeping Requirements

To ensure your business mobile expenses are properly claimed and compliant with HMRC requirements:

What Records to Keep

• Monthly invoices: Keep all invoices from your mobile provider. These are your primary evidence for tax deductions and VAT claims
• Contract documentation: Keep a copy of the original contract showing it is in the company name
• Business purpose: Be prepared to demonstrate the business need for mobile phones if HMRC queries the expense
• Employee records: Document which employee has which phone/number for BIK exemption purposes

Accounting Treatment

• Monthly line rental and calls: Debit “Telephone & Internet” expense account
• Handset element of phone contracts: Can be expensed monthly or capitalised — discuss with your accountant
• VAT: Reclaim on your quarterly or monthly VAT return
• Retain records for 6 years as required by HMRC

Common Mistakes to Avoid

• Contract in personal name: If the contract is not in the company name, you lose the full VAT reclaim and need to submit expense claims for the business-use proportion
• Not filing the VAT reclaim: Many small limited companies forget to include mobile phone VAT on their returns — check your invoices each quarter
• Multiple phones per person: Only one phone per employee is BIK exempt. A second company phone for the same person must be reported on P11D
• No records of business use: While the BIK exemption does not require detailed usage logs, HMRC expects the phone to be “mainly” for business. If queried, you should be able to demonstrate this

Related Reading

• Claim Business Mobile as a Tax Expense — Full HMRC Guide
• Employee Phone Allowance UK Guide
• Best Business Mobile Deals UK 2026
• Business Mobile Plans for Small Teams
• Business vs Personal Mobile Contract

All prices exclude VAT. Fixed competitive rates/month annual price increase applies each April. Compare The Networks is regulated by OFCOM.