Second Business Number UK

Second Business Number

A clean, separate UK number for business calls — without buying a second phone, taking out a second SIM, or paying for an extra mobile contract.

No second phone or SIM Control business hours Cancel anytime

Your personal number is your business number — and that means you are always reachable

When every customer has your personal mobile number, work never stops. Calls arrive at 9pm, messages pile up on Sunday mornings, and there is no clean way to set boundaries without simply not answering. As your customer base grows, so does the intrusion.

A second business number gives you control. Business contacts get a number you can screen, forward, and switch off — while your personal mobile stays completely private. You decide when you are available for business, not your customers.

A separate UK business number — on your existing phone

CallCenturion gives you a virtual UK number that forwards to your existing mobile. Customers call your business number; you answer on your terms — during the hours you choose, with spam filtered out automatically.

Runs on your existing phone

No second handset, no second SIM card. Your CallCenturion number is virtual — calls forward to whichever phone you already use.

Set your own business hours

Define when your second number forwards calls and when it takes messages. Evening and weekend calls go to professional voicemail automatically.

Personal number stays completely private

Customers, listings, and directories only ever see your CallCenturion number. Your personal mobile number is never exposed.

Spam filtered on the business number

Robocalls and spam targeted at your business listing are blocked before they can reach you. Your personal number and your business number are both cleaner.

Professional voicemail for after hours

When you are unavailable, a professional greeting plays and the caller’s message is transcribed and delivered to your email — no customer left without a response.

Easy to change or close

If you want a different number, or need to close the business line, your personal mobile is completely unaffected. Change happens in your dashboard.

Who gets a second business number?

Anyone who shares their personal mobile for work and wants to draw a clear line between business and personal life.

Sole traders

Freelancers

Landlords

Side businesses

Online sellers

Gardeners

Cleaning services

Tutors

Dog walkers

Photographers

How to get a second business number with CallCenturion

Sign up, pick a number, set your hours — done. Your second business line is live in under 10 minutes.

Sign up and choose your second number

Pick a local area code or non-geographic UK number. This becomes your public-facing business number — entirely separate from your personal mobile.

Set where calls forward to

Enter your personal mobile or any other number as the forwarding destination. Genuine business calls ring through to you there.

Define your business hours

Choose when your second number is active. Outside those hours, calls go straight to professional voicemail — you are not disturbed.

Publish only your business number

Add your CallCenturion number to listings, social profiles, and marketing materials. Your personal number stays off the record entirely.

AI screens every business call

Spam and robocalls targeting your business number are blocked automatically. Only genuine customers reach you — on your schedule.

One personal number vs. a dedicated second business number

See what you gain by separating business from personal calls.

Feature Personal Number Only Second Business Number
Customers have your personal number Yes — cannot separate No — business number only
Turn off business calls in evenings No Yes — business hours control
Spam on business line filtered No Yes
Change number without disruption Major disruption Easy
Professional image on listings Inconsistent Yes
GDPR-friendly Uncertain Yes

Frequently asked questions about second business numbers

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Get your second business number today.

14-day free trial, then from £4.95/month. No second phone needed.

No second phone or SIM 14-day free trial, then from £4.95/month Cancel anytime