Yes, you can absolutely claim Mileage when you are self employed for all your business travel.
The Self Employed mileage allowance when you use your car for business purposes is 45p per mile up to the first 10,000 miles per year and 25p per mile thereafter. This takes into consideration the running cost of a commercial car or van.
How to Claim Your Mileage
A simple spreadsheet is a great way to keep track of your mileage expenses. Fill them out monthly or on a trip by trip basis, depending on how your business operates. But always remember to keep as detailed a records as possible in case HMRC ask to look at your records. You should look to include details such as clients/suppliers met, dates, location and miles covered.
Download our Sample Mileage Claim Form for Your Business
Read our Ultimate Guide to HMRC Allowable Business Travel and make sure you are claiming everything you are entitled to.