The deferred VAT payment from last March-June, must be paid by 31/3/21. If you cannot pay HMRC are offering an interest free payment scheme, paying monthly between March 2021-March 2022 to help.
If are a non tax payer earning below £12,570 you can earn up to £5,000 tax free of interest. If you are a basic rate tax payer earning over £12,570 up to £50,000 you can earn up to £1,000 of interest tax free.
From November 2025 Companies house legally have to check the ID for every Director. This is already introduced for new companies but will be required for all existing companies when the annual confirmation statement is filed with Companies house.
Regarding electric vehicles & tax allowances, if used for business, both self employed and Limited company businesses benefit from 100% first year capital allowances to help with their tax liability. This reduces to 18% of the cost price per year for used electric vehicles. Also you can claim 100% of the VAT for electric cars if used solely for business, when usually this is restricted to 50% for non electric cars.