If you are running your business from your personal mobile, you probably know the struggle.
You are trying to relax on a Sunday afternoon, and suddenly your pocket buzzes. It’s an unknown number. Do you answer it? It might be a new client wanting to spend money. Or it might be a spam caller. You answer, putting on your “professional voice,” only to realise it’s just a delivery driver.
For a lot of small business owners, this is daily life. But there is a better way, and you don’t need to pay BT to install a new landline at your house.
In 2026, the best way to get a business number is to use a virtual phone app. These clever tools give you a professional “01” or “02” landline number that rings right on your existing mobile phone.
Here is why you should switch, and the best apps to help you do it.
Why swap your mobile number for a virtual one?
It’s not just about stopping those Sunday afternoon calls. There are two other big reasons to upgrade:
- Trust: Customers still trust local landline codes (like 01202 or 01458) more than mobile “07” numbers. A landline makes you look established, even if you are working from your kitchen table.
- Sanity: Virtual apps let you set “Business Hours”. When you finish work at 5 PM, the app switches to voicemail automatically, but your personal friends and family can still get through on your normal mobile number.
Here are the best apps we recommend for UK small businesses this year.
1. bOnline
If you just want a solid, affordable phone system that works, bOnline is usually the top choice for small UK businesses.
It is designed specifically for small teams and freelancers, not massive call centres. You get a proper UK landline number, and you can make and receive calls through their app on your mobile.
- Why we like it: It is very budget-friendly (often starting around £7-£10 per month) and includes features like welcome menus (“Press 1 for Sales…”) which make you sound much bigger than you are.
- Best for: Most small business owners, freelancers, and consultants.
2. Air Landline
If you don’t want a fancy app or complicated settings, Air Landline is a great alternative. It works slightly differently: instead of using an app to talk, it simply diverts calls to your mobile number.
When a customer calls your new landline number, your mobile rings. A “whisper” message plays just for you before you connect, telling you it’s a business call so you know how to answer.
- Why we like it: It uses your standard mobile network rather than internet data (VoIP), so the call quality is often more reliable if you are out and about in areas with bad 4G/5G.
- Best for: Tradespeople and mobile services who are always on the road.
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3. CircleLoop
If you want something that feels modern and slick, CircleLoop is a fantastic UK-based option. The interface is clean, easy to use, and it connects with other tools you might use, like HubSpot or Xero.
- Why we like it: It is completely self-service. You can sign up, pick your number, and be calling clients within minutes without speaking to a sales person.
- Best for: Agencies, tech-savvy freelancers, and growing teams.
4. RingCentral
If you have a larger team or need advanced features (like video meetings and team messaging built-in), RingCentral is a heavy hitter in the industry.
It is more “corporate” than the others on this list, but it is incredibly reliable. If you plan to hire five staff members next year, this system will grow with you easily.
- Why we like it: It is powerful and rarely goes down, though it can be more expensive than the smaller options.
- Best for: Rapidly growing businesses who want a “future-proof” system.
How to get started
Getting set up is usually easier than ordering a pizza.
- Pick a provider from the list above (most offer a free trial).
- Choose your number. You can usually pick a local code (like Bristol, Poole, or London) to match your customer base.
- Download the app and do a test call.
Got your new number? Let’s get it on your site.
Once you have secured your new business line, don’t forget to update the internet! If you are a Site Design Squad client, you don’t need to fiddle with the settings yourself.
Just send a quick email to support with your new number. We can then use some of your monthly support time to update your header, footer, and contact page so your customers can start calling the right place immediately.
Not yet a client? Buy a quick fix and we can do the updates for you.
