EVs qualify for 100% first year allowance, so you can write them off against tax, assuming your tax bill is large enough.
Claim capital allowances so your business pays less tax when you buy assets - equipment, fixtures, business cars, plant and machinery, annual investment allowance, first year allowances.
www.gov.uk
I'm not sure what the situation would be when/if you come to sell the car?
You can reclaim 50% of the VAT if you lease;
How to charge VAT, calculate VAT, VAT rates, reclaim VAT on business expenses, keep digital records.
www.gov.uk
EV BIK is 1% this year, 2% next year and the year after. Company car advisory fuel rate is currently 5p/mile, ok if you charge at home, a problem if you supercharge often.
Find out about advisory fuel rates for company car users, when you can use them, and how they're calculated.
www.gov.uk