One number.
Every business call.
A real UK phone number for your business — calls and SMS arrive on the mobile in your pocket. Set up in 60 seconds. From £6.99/month.
Pick the number that fits
how you work.
WhatsApp
Business Number.
A dedicated UK number for the WhatsApp Business app. Messages and SMS arrive on your existing phone — keep work and personal separate.
Business
Landline Number.
A real UK landline that redirects calls to your existing mobile. Pick a clean direct line, or add an IVR menu — you decide.
Live in 60 seconds.
It just works.
Pick a UK area code
660+ areas — London 020, Manchester 0161, Birmingham 0121, Edinburgh 0131, or the national 0330. Pick anywhere.
We connect it to your mobile
Your existing phone becomes your business phone. No new SIM, no new device — just tell us where to ring.
Your phone rings
Customers ring your new UK number, your mobile rings. SMS gets forwarded as a text. Done.
A control panel
built for your phone.
See every call, listen to voicemails with transcripts, edit your IVR menu, change forwarding numbers — all from a clean dashboard, on any device.
Overview
Don't just take
our word for it.
"Set up an 020 number in two minutes flat. Customers think we're a London agency now — we're actually two people in a coworking space in Bristol."
"Finally separated my personal WhatsApp from work. Verification was a doddle and customers love being able to message me on a proper business number."
"The IVR builder is properly clever. 'Press 1 for emergencies, 2 for quotes' — and out-of-hours goes straight to voicemail-to-email. Couldn't be easier."
Simple, honest pricing.
Cancel any time.
7-day free trial on every plan. No setup fee, no contract.
WhatsApp Business
- Real UK number — local or 07 mobile
- Inbound SMS forwarded to your phone
- WhatsApp Web on desktop
- No new SIM, no new device
Business Landline
- 660+ UK area codes (or 0330 national)
- Inbound calls redirect to your mobile
- Optional IVR menu
- Voicemail-to-email + transcripts
Quick answers.
Do I need a new phone, SIM, or app?
No. Your existing phone stays exactly the same. Inbound calls to your new UK business number redirect through to your mobile — your phone just rings. SMS get forwarded as a text. There's no app to download and no hardware to plug in.
How fast is setup?
Most customers are live within 60 seconds. Pick an area code, give us the mobile to redirect to, and your number is generated and emailed to you straight away.
Can I get a London 020 number for my business?
Yes — and 660+ other UK area codes including Manchester 0161, Birmingham 0121, Bristol 0117, Edinburgh 0131, Glasgow 0141, Leeds 0113, Liverpool 0151 and the national 0330.
What if I want to cancel?
No contract. Month-to-month, cancel any time from your dashboard, no cancellation fee.
Is OfficeNumber affiliated with WhatsApp or Meta?
No. OfficeNumber is independent — we provide UK numbers compatible with the WhatsApp Business app, but we are not affiliated with WhatsApp LLC or Meta. WhatsApp registration is subject to WhatsApp's policies.
Get your UK business number.
In about a minute.
Start free for 7 days. No card required to begin. Pick a number, give us your mobile, you're live.
Pick a number