As a company director you may charge your company interest on the loan. This is usually at a similar rate to a commercial rate of interest.This article explores the tax implications of an overdrawn Directors Loan Account, potential tax opportunities, and our recommended actions. A detailed guide on charging Interest on Director's Loan to Company. However, this interest rate would need to be able to be justified to HMRC. Putting some money into your limited company and wondering how to open your director's loan account? Contact us for more info.