Being a limited company has nothing to do with whether you must register for VAT. The test is the same for a company, a sole trader and a partnership: it is about taxable turnover, not legal form. That surprises people who assume incorporation brings VAT with it, and it is worth being clear about, because registering when you did not have to is a decision rather than an obligation.
The test is turnover, not incorporation
You must register if total taxable turnover for the last twelve months goes over £90,000, or if you expect it to go over £90,000 in the next thirty days. Nothing in that test mentions company status. A company turning over £40,000 has no obligation to register, and a sole trader turning over £120,000 has one. Taxable turnover is the total value of everything you sell that is not exempt or out of scope, and it includes zero-rated and reduced-rated goods as well as standard-rated ones.
What the company version of the form asks
A limited company registers with the company registration number, the business bank account details, the company's Unique Taxpayer Reference, the annual turnover and an estimate of taxable turnover for the next twelve months, plus information about Self Assessment, Corporation Tax and PAYE. That is the only real difference from an individual registration, which asks for a National Insurance number and an identity document instead. The number that comes back is nine digits and belongs to the company, not to its directors.
Group registration, and why a company might want it
Companies under common control can register as a VAT group and file one return for all of them. The practical effect is that supplies between the members fall out of VAT altogether, which matters when one company in the group makes exempt supplies and would otherwise be unable to reclaim the VAT charged to it by a sibling. Grouping is an application rather than a default, and a limited liability partnership registering as the representative member must apply by post rather than online.
Questions people ask about register a limited company for vat
Does a limited company have to be VAT registered?
Only if its taxable turnover for the last twelve months goes over £90,000, or is expected to in the next thirty days. Being a limited company creates no VAT obligation by itself.
Can a limited company register for VAT voluntarily?
Yes. You can choose to register with turnover under £90,000. It lets you reclaim input tax, and it means charging VAT to customers who may not be able to reclaim it.
Is the VAT number attached to the company or the director?
To the company. It is issued to the registered entity, is nine digits, and must appear on every invoice the company raises.