Buying an electric car through a limited company: what is the real tax cost?

In short: A new, unused zero-emission car the company buys before April 2027 can qualify for a 100% first-year allowance (GOV.UK: Claim capital allowances: 100% first-year allowances). For a company paying the 25% main rate throughout, a qualifying £36,000 car therefore saves £9,000 of Corporation Tax. But in 2026/27 the director pays Income Tax on a benefit of 4% of the car's list price, the company pays 15% Class 1A National Insurance on that benefit, and VAT on the purchase is normally blocked (GOV.UK: Work out the appropriate percentage for company car benefits).

A company electric car can receive favourable tax treatment, but the purchase deduction is only one part of its cost. Compare capital allowances, blocked VAT, the director's benefit-in-kind tax, employer National Insurance, running costs and eventual resale. A 100% first-year allowance means deducting qualifying expenditure from profits; it does not mean HMRC refunds the purchase price. HMRC explains first-year allowances.

This guide covers a zero-emission car provided by an ordinary UK company. It uses 2026/27 benefit rates and rules checked on 25 September 2026. Hybrid cars, vans and unusual ownership arrangements need their own analysis.

Does every electric car qualify for 100% first-year relief?

No. Under the current rules, a new and unused zero-emission car can qualify for the 100% first-year allowance, subject to the conditions and expenditure deadline. For Corporation Tax, the current extension runs to 31 March 2027. A second-hand electric car generally enters the main capital-allowance pool instead, so relief is spread through writing-down allowances. HMRC's business-car guidance and first-year allowance guidance explain the distinction.

Cars do not qualify for the Annual Investment Allowance. Do not use the company's general equipment allowance as a substitute for the car-specific rules. Recheck the first-year allowance deadline when ordering or arranging finance: expenditure timing is a tax question, not simply the date a dealer accepts a deposit.

What does the Corporation Tax deduction actually save?

The saving is the difference between the company's tax calculation with and without the allowance. It depends on available profits, applicable rates, losses and the accounting period. A profitable company paying 25% throughout the affected profit range has a different immediate result from a company with losses or profits crossing the marginal-relief range.

Illustration: a company purchases a qualifying new zero-emission car for £36,000 including VAT, which it cannot reclaim. It incurs the qualifying expenditure in time for full first-year relief. Its taxable profits before the claim are £300,000 for a full 12-month period, with no associated companies, distributions or other relevant complications. After the £36,000 deduction, profits are £264,000, so both figures remain above the £250,000 upper limit.

The company still pays £36,000 to acquire the car. The £27,000 figure is the purchase component after the illustrated tax relief, not the car's lifetime cost. It excludes finance, running costs, benefits taxes and disposal. HMRC's Corporation Tax rates support the rate assumptions.

How much personal tax does the director pay?

A company car available for private use normally creates a taxable benefit. For a zero-emission car in 2026/27, the appropriate percentage is 4%. This is applied to the relevant list-price figure, including taxable accessories, rather than automatically to the discounted price the company paid. The director then pays Income Tax on the resulting benefit at the applicable rate. HMRC's company-car percentage table and company-car tax explanation set out the rules.

Continue the example with an assumed £40,000 list-price figure, no employee contributions or other adjustments, and availability throughout 2026/27:

The 20% and 40% rows are alternatives, not amounts added together. They assume England, Wales or Northern Ireland rates and no allowance withdrawal or other income interaction. Scottish employment-income rates differ. A part-year provision or employee payment can change the benefit.

The company also needs to handle the relevant benefits reporting and payment obligations. Class 1A NI is 15% for 2026/27. It is a separate cost from the director's tax and must be included in the company's model. HMRC publishes the employer rates.

Can the company reclaim the VAT?

Electric propulsion does not create a general exception to the VAT block on buying cars. Where a company car is available for private use, input VAT on its purchase is normally blocked. Recovery under the business-only exception requires, among other conditions, that the car is not available for private use. Business mileage alone does not establish that restriction. HMRC's motoring VAT notice, section 3 explains the tests.

For a qualifying leased car with business and private use, the normal rule blocks 50% of the VAT on rental charges, with recovery of the rest still subject to the usual VAT rules. Separately supplied maintenance and other charges need their own treatment. This is one reason a lease quote and purchase quote should be compared after their respective VAT treatment, not just by headline monthly payments.

The £36,000 example assumes purchase VAT is blocked. Do not deduct VAT again from the cost used in that example.

How should you compare company ownership with buying personally?

Use the same car, ownership period, mileage and resale assumption for both options. Then record who pays each cost. Company ownership may provide tax relief but creates its own benefits and reporting costs. Personal ownership may allow qualifying business-mileage reimbursement, but funding the purchase from newly withdrawn company money can itself bring salary or dividend taxes.

Build the comparison in this order:

1. Start with the actual purchase or lease quote, including the VAT that cannot be recovered.
2. Add finance costs, insurance, maintenance, charging and vehicle tax over the chosen period.
3. Deduct estimated disposal proceeds where the car will be owned, and include the disposal's tax consequences.
4. Calculate company deductions and allowances using the relevant accounting periods.
5. Add director benefit tax and employer NI for each year of company provision.
6. For personal ownership, include any taxes needed to extract the purchase money from the company and treat mileage reimbursements consistently.

An internal reimbursement is a cost to the company and income to the recipient. Do not count it as a free saving on both sides of a combined company-and-director comparison. Also do not assume 2026/27's benefit percentage applies unchanged for every future year.

What records will the company need for its return?

Keep the invoice, specification, emissions evidence, acquisition and availability dates, relevant list price, finance agreement and VAT decision. Maintain the capital-allowance record through eventual sale. First-year relief affects the tax calculation; the accounts still record the asset and depreciation, and a later disposal can create a tax adjustment.

See the guide to equipment, depreciation and capital allowances for the accounts-to-tax connection. When you know the required treatment, check whether Taxley supports your company return. Company-car benefits reporting and VAT obligations are separate from filing the CT600.

Frequently asked questions

Is an electric company car tax-free?

No. Private availability can produce a taxable benefit and employer Class 1A NI, although electric cars currently sit in a low benefit-in-kind band. Purchase relief and personal benefit tax are separate calculations.

Does a used electric car get the same first-year deduction as a new one?

Generally not. The new-and-unused condition matters for the zero-emission first-year allowance; used electric cars generally receive writing-down allowances instead, usually in the main pool at 14% a year from 1 April 2026 (18% before that, with a blended rate for a period that straddles the change).

Is the benefit based on the price the company negotiated?

Normally the relevant list price and accessories are the starting point, rather than the discounted invoice price the company actually paid. Check the full benefit calculation and any adjustments.

Does the company need enough profit to use the deduction immediately?

The allowance can affect a loss as well as a profit, but that does not guarantee an immediate cash refund. The timing and availability of loss relief need their own calculation.

General information, not personalised tax or accounting advice.