UK business phone number
No documents to upload, but precise details about the company and the person responsible.
Local and mobile, document by document
Required documents, local and mobile
UK local number
+44 · For businesses only
Required address
Address in the UK
The company must declare a valid UK address. No supporting document is needed.
To provide
- Company nameTo enterThe company’s official name.
- Registration body and numberTo enterFor example Companies House, or the business register of the country where the company is registered (the RCS in France), with the corresponding number.
- Company websiteTo enterThe address of the official website.
- UK addressTo enterA valid UK address, with no document to attach.
- Director responsible for the numbersTo enterTheir name, business email and mobile number, on which they can be reached. This mobile number cannot be a virtual number.
No documents to upload: only details to enter.
UK mobile number
+44 · For businesses only
Required address
Address anywhere in the world
The company’s address can be anywhere in the world. No supporting document is needed.
To provide
- Company nameTo enterThe company’s official name.
- Registration body and numberTo enterFor example Companies House, or the business register of the country where the company is registered (the RCS in France), with the corresponding number.
- Company websiteTo enterThe address of the official website.
- Company addressTo enterA valid address, in any country, with no document to attach.
- Director responsible for the numbersTo enterTheir name, business email and mobile number, on which they can be reached. This mobile number cannot be a virtual number.
No documents to upload: only details to enter.
Indicative list updated on 15 October 2026. Requirements are set by each country’s authorities and may change; the exact list is confirmed when you order the number.
Getting a UK virtual phone number for your business
London remains Europe’s leading business hub, and a 020 number opens doors there. The UK has one particularity: no supporting document has to be uploaded, for either a landline or a mobile number. The details requested about the company and the person responsible are, however, thorough.
The real difference between landline and mobile is the address. For a landline, the company must declare a valid UK address. For a mobile, the address can be anywhere in the world: a company based outside the UK can therefore get a UK mobile number without a London office.
The declared responsible person must be a company director in charge of phone numbers. You will be asked for their personal mobile number, on which they can be reached, and which cannot itself be a virtual number.
Country code and number format
- Local (landline)
- +44 +44, then usually 10 digits. Landlines start with 1 or 2 after the country code: 20 London, 161 Manchester, 121 Birmingham, 131 Edinburgh. Example: +44 20 7946 0123.
- Mobile
- +44 +44 7, then 9 digits (07 nationally). Example: +44 7700 900123.
What you need to know
The register: Companies House or equivalent
You will be asked for the body that registered the company and its registration number: Companies House for a UK company, or the national business register for a company registered elsewhere (for example the trade and companies register, RCS, in France).
Silent calls are penalised
The UK regulator Ofcom can penalise silent or abandoned calls, typical of auto-dialers set up with too few agents, under its powers against “persistent misuse” of networks. The fine can reach £2 million.
Mobile or landline?
Without a UK address, mobile is the only option. With a local office, a 020 or 0161 landline clearly shows your local presence.
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