Last Updated: 14/10/2026

Calling all Amazon Flex delivery drivers in the UK! Did you know that your self employed? This means you are responsible for managing your taxes.

This may sound stressful, and a little daunting, so here is a list of things we tell our customers to do to avoid fines, overpaying tax, and generally staying on the right side of HMRC’s Laws:

Amazon Flex Tax Guide For Self-Employed UK Delivery Drivers

Register as Self-Employed – Making sure you complete your self-employed registration with HMRC is going to be one of your first tasks when you start working for Amazon Flex, because HMRC needs to know you are earning an income which hasn’t been taxed.

You may not need to register, thanks to the self-employed trading allowance, which means you can make a certain amount of money in a tax year without paying income tax.

Keep Accurate Records

As a self-employed Amazon Flex delivery driver, you need to keep records of all your income and expenses.

The best way to do this is to separate your business and personal finances by opening a dedicated bank account and using accounting software to track and record expenses.

If you are using a personal vehicle to deliver parcels for Amazon Flex, keeping a mileage record using software or a notebook (e.g., date, purpose, and miles travelled) is a good idea.

What expenses can Amazon Flex drivers claim

Research and know what your business-related costs will include such as vehicle maintenance, petrol costs and mileage. Thats because when you submit a tax return you can claim allowable expenses to reduce your taxable profit, which lowers the amount of Amazon Flex tax you have to pay on the money you earn. The 16 expenses delivery drivers claim on a tax return include things such as:

Amazon Flex Expenses

• Vehicle cost (Fuel, servicing and maintenance).
• Sat Nav, phone holder and chargers
• Insurance Cost
• Accountancy Fees

If there is an Amazon Flex expense you are not sure if you can claim, why not ask us by leaving a comment at the bottom of this page?

File a Self Assessment Tax Return – Complete and submit your tax return by the deadline (31 January for online submissions).

Some key dates to be aware of;

• UK tax year runs from 6th April to 5th April the following year.
• The deadline for submitting a self-assessment tax return is 31st January, after the end of the tax year on 5th April.
• Pay any tax you owe by the 31st January after the end of the tax year on 5th April.

If you are still not sure about the important deadlines, and are wondering, do I need to do a tax return dont panic – get in touch and ask a question.

Pay Income Tax and National Insurance – Calculate and pay what you owe based on your profits, and most importantly do so before the HMRC deadlines to avoid fines and penalties.

Get support from an accountant – Did you know Ugo Tax is a dedicated accountancy service for delivery drivers across the UK, helping them navigate the stressful world of self-employed tax.

We support people not only working for Amazon Flex, but also Deliveroo, Uber Eats and Just Eat. If you have questions about Amazon Flex tax, why not get in contact today?

How much tax should Amazon Flex drivers set aside

A great tip is to set aside money each month to cover taxes you may have to pay at the end of the tax year.

This is because tax is not deducted automatically from your Amazon Flex Pay. At Ugo Tax, we advise our Amazon Flex delivery driver clients to save between 15% and 20% of their monthly income to ensure they have funds available to pay any tax that may be due.

Do Amazon Flex drivers need to register for VAT

Depending on your circumstances you may need to register for VAT.

Do Amazon Flex drivers need to make a payment on account

Once you start paying tax over £1000, you may need to make an advance payment on account for your next tax year.

Claim The Amazon Flex Mileage Allowance if Using Your Own Vehicle

Claiming a mileage allowance may help to cover the cost of using your vehicle. From April 2026 Amazon Flex drivers can claim the 55p mileage rate for delivery drivers which has increased from 45p per mile to 55p per mile. The 10p extra drivers can claim on the first 10,000 business miles will cover the increased cost of running a vehicle.

Please be aware that there are strict rules apply to the Amazon Flex mileage allowance claims, so it is essential to consult a professional first. Making incorrect claims can result in you receiving fines from HMRC.

Rules:

• The mileage allowance is purely for business miles only. You must not claim for personal usage.
• 55p mileage rate applies to the first 10,000 miles and 25p per mile thereafter, and is for car and van drivers.
• You must keep accurate records when claiming a mileage allowance.
• Once you start using the simplified mileage rate for your vehicle, you cannot switch back unless you change vehicles.

Seek Professional Advice if Needed

if you work for Amazon Flex part-time, and also have a full time job, we can help to ensure you understand your complex tax situation.

If you love being a delivery driver and want other similar side hustles, companies like Relay and Stuart offer some excellent Amazon Flex Alternatives.

FAQ’s

Is Amazon Flex worth it?

You may be wondering is Amazon Flex worth it, especially if you’re working full-time already. Amazon Flex is an incredibly flexible side hustle that allows you to book slots at your convenience, such as the weekends, and is particularly busy in the lead-up to Christmas. This makes it really popular for people looking to make a bit of extra money. Make you understand self-employed tax and your responsibilities as a freelancer.

Can I use the Amazon Flex mileage allowance method instead of actual vehicle costs?

Yes, claiming a mileage allowance instead of adding up individual vehicle costs is a simpler way of claiming Amazon Flex expenses. You can claim 55p per mile for the first 10,000 miles and 25p per mile thereafter, from April 2026 on your tax return. The 55p mileage rate for delivery drivers in 2026/27 means you can cover more of vehicle expenses, costs which have increased over the past few years.

How can Ugo Tax accountants help Amazon Flex delivery drivers?

An accountant will be able to support you in the following ways:

• Help to complete yourself-employed registration with HMRC.
• Ensure that you claim for all your allowable expenses.
• File yourself-assessment tax return correctly and on time to avoid fines and penalties.
• Reducing your stress allows you to focus on deliveries.

What happens if I have another job alongside Amazon Flex?

You will need to declare your Amazon Flex pay separately via a tax return and pay any self-employed tax that might be due.

Got a question?

Why not get in touch if you have a question about how to submit your Amazon Flex tax return?

Drive smart. Earn more. Pay less tax.