Small business phone system UK businesses
Ditch the outdated landline phones and upgrade to a flexible small business telephone system that works across desk phones, mobile devices, and apps.
Why small businesses need more than just a phone line
Today’s small businesses need to be responsive, professional, and flexible. Especially when every phone call could mean a new customer or opportunity. But relying on a traditional phone system can hold you back. Missed calls, limited features, and lack of visibility make it harder to deliver great customer service or scale your operations.
A modern small business phone system gives you more than just a dial tone. It routes incoming calls to the right person, connects your team across devices, and makes you look and sound more professional — whether you’re at your desk, on the road, or working from home.
With cloud-based phone systems and VoIP services, you can stay connected without the complexity or cost of a legacy setup.
What’s the cheapest phone system for a small business?
For most small businesses, the cheapest way to get set up with a professional phone service is through a VoIP phone system.
Instead of paying for costly line rental or bulky hardware, VoIP (Voice over Internet Protocol) lets you make and receive business calls over your existing internet connection.
This kind of system offers a much lower total cost of ownership than a traditional business telephone system. You only pay for what you need, and it’s easy to scale up or down as your team changes.
How to choose the right small business phone system
Choosing the right phone system for your small business doesn’t need to be complicated—but it does need to reflect how your team works and how you want to present your brand. Start by thinking about where and how you take calls.
Are you in the office every day, out on the road, or a mix of both? A good small business phone system should work across desk phones, mobile phones, and desktop apps—so you’re covered, no matter where work happens.
Consider the features that will make a real difference to your day-to-day operations. Things like call routing, voicemail-to-email, and mobile apps can help you respond faster and deliver better customer service. And finally, look for a system that’s easy to manage, cost-effective, and ready to scale.
6 key benefits of small business phone systems
Get a professional setup without the high cost
Ditch expensive landline phones and traditional phone systems. VoIP phone systems offer crystal-clear calls, virtual numbers, and scalable pricing designed for small business needs.
Work from anywhere, on any device
Take calls on your mobile phone, desktop app, or IP phone —so your team can stay productive whether they’re in the office or on the go.
Handle every call like a pro
Set up auto-attendants, personalised greetings, and smart call routing to make sure every customer call is answered quickly and routed to the right person.
Grow at your own pace
Add users in seconds, manage features in one dashboard, and expand your phone system as your business grows—no hardware upgrades required.
Connect with the tools you already use
Easily integrate your phone system with CRMs, helpdesk platforms, and productivity apps like Microsoft Teams and HubSpot to streamline daily tasks.
Simple setup and easy management
Get up and running in hours, not days. Make changes, add features, or update users anytime — no need for technical support or on-site engineers.
Join 2,000+ UK businesses already switching to virtual phone systems
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Cloud vs on-site: What’s best for small businesses?
Feature
Hosted phone system
Traditional phone system
Connection type
Uses your internet connection (internet protocol) to make and receive calls
Uses copper phone lines via the public switched telephone network (PSTN)
Setup
Fast setup with no physical cabling or on-site installation required
Requires engineer installation, cabling, and physical line setup
Devices
Works with IP phones, mobile devices, or desktop apps
Requires desk phones connected to fixed phone lines
Flexibility
Ideal for remote working, hybrid teams, and multiple locations
Tied to one physical location
Cost
Cost Lower monthly costs with cheaper international calls and no line rental
Higher costs due to line rental, maintenance, and limited features
Record & review every call
✅ Call recording helps you monitor quality, support training, and resolve disputes — with easy access to saved recordings when you need them.
✅ Call analytics give you clear visibility into team performance, call volume, and missed opportunities, so you can make smarter decisions fast.
Look professional from the first call
✅ Auto-attendants and custom greetings help you route calls efficiently and create a great first impression for every caller.
✅ Virtual phone numbers let you establish a local presence—ideal if you want to appear bigger, expand into new areas, or protect your personal number.
Stay connected wherever you work
✅ Use your smartphone, desktop app, or IP phone to make and receive business calls from anywhere.
✅ Call forwarding and voicemail-to-email and mean you’ll never miss a customer enquiry, even when you’re away from your desk.
Make teamwork simple
✅ All-in-one communication tools like instant messaging and video calls bring your team together on one platform.
✅ Call transfers and internal extensions help you collaborate and respond faster—without switching tools.
CRM integration
Integrate your VoIP phone system with your CRM to instantly surface caller info and log interactions. Manage leads, support queries, and sales conversations more efficiently — all without toggling between apps.
Why UK businesses choose B4BC for their small business phone system
300+ 5 Star Reviews
Rated 4.8 stars on Google—trusted by small businesses across the UK.
UK-Based Support
Our in-house call team is ready when you need us. No call centres. No waiting.
Same Day Setup
Start using your new small business phone system in hours, not days.
Lower Monthly Costs
Save on line rental, hardware, and international calls with one affordable monthly plan.
No Hardware Needed
Use your mobile, laptop, or tablet—no IP phone required unless you want one.
99.999% Uptime
Our cloud infrastructure is built for reliability—so you’re always reachable.
Use your mobile phone
With our mobile app, your team can make and receive business calls from anywhere—without sharing their personal number. It’s perfect for on-the-go teams who need to stay responsive outside the office.
Turn your laptop into a business phone
Our desktop app gives you all the features of a desk phone, right on your computer. Take calls, check voicemail, and chat with your team—no extra hardware needed.
Prefer a desk phone? No problem
We support high-quality IP phones from trusted brands like Yealink, giving your office setup a reliable, professional feel. Ideal for reception teams, call handlers, or anyone who wants that familiar phone-in-hand experience.
Our reviews speak for themselves
Matthew Burton
I have used B4BC for almost 6 years now with my existing business & when it came to setting up my broadband / phone provisions for a new business I went straight to B4BC. These guys have exceptional customer service & take all the stress off your plate so you can focus on the million other things you need to take care of within your business. Could not recommend any higher!
Krishna Pariyar
B4BC has been the best system that I have used so far. They have solutions for every business phone system. The app works on both the desktop and phone, which have made operations convenient. Their support is great with response time and requests. And it’s really easy to reach the Account Manager through email, website chat support, phone and support ticket.
Dan Hall
I would highly recommend anyone to use B4BC for their phone and broadband needs. We have recently moved over to a VoIP system and the whole service from start to finish has been excellent.
Esther Wakeman
Absolutely thrilled with my experience after dealing with Best 4 Business. Not only have they saved our business a significant amount of money, but it has been a breeze to do. Efficient and friendly team.
Darren Lashford
Use B4BC for all our telecoms and its a breath of fresh air compared to who we used before. Recently moved our energy management through them and I’m equally as impressed. I wouldn’t hesitate for a second to recommend them.
Sarah Lowe
Fortunately getting in touch with the team at Best 4 Business is very easy, there are no long call queues so you’re not left on hold for ages & you don’t have to go through lots of different options before being connected to an actual person. The issues I have experienced have been dealt with immediately.
Conor Alexander
We’ve been working with B4BC for many years and they’ve consistently been a pleasure to deal with. Most recently, they upgraded our broadband and phone system – everything was handled smoothly and went exactly as planned.
Philip Wright
Working with Best 4 Business on a Communication system plan that provided modern solutions has been an absolute pleasure. The information afforded, depth of knowledge and flexibility provided was perfect for our future business requirements.
Mark James Morsley
Changing my entire office phone system and broadband is no small task, in fact it’s quite daunting. However luckily or really thanks to Google I found Best4 Business. These guys at B2B are just brilliant! I now have a new VOIP phone system, massively quick broadband, great phones, ongoing support and I have saved nearly £200 a month. Happy owner!!
Stuart Turley
Excellent service and support from these guys. It makes a change to be able to actually talk to someone when you require help without jumping through hoops, I would highly recommend them.
Matthew McKenna
Fantastic service from Best 4 Business Communications. I found this company online on Tuesday and within 2 days they had an engineer on site! We had been unable to get BT in for four weeks now.
Piotr Silwinski
I wholeheartedly recommend B4BC as an internet solution provider. Their outstanding customer service, technical expertise, everyday support make them the ideal partner. Thank you, B4BC, for your unwavering support and for keeping me connected every day!
VoIP Phone System FAQs
All you need is a stable internet connection, a compatible device (like a mobile phone, desktop, or IP phone), and a VoIP service provider. Optional add-ons like headsets, desk phones, or unified communication features can be included based on your team’s needs.
A VoIP phone system uses VoIP technology to turn your voice into data, sending it over your internet connection instead of a traditional phone line. Each voice call is transmitted through your VoIP provider’s cloud network and received just like a standard phone call—but with more flexibility and lower cost.
Installation is quick and easy. Most VoIP phone systems require no specialist hardware or engineering work. Just plug in your IP phones or install the mobile or desktop app. Your VoIP provider will handle number setup, call routing, and system configuration remotely.
Yes—modern VoIP phone systems are highly reliable when paired with a strong internet connection. Backed by trusted VoIP providers, many systems offer 99.99% uptime and deliver crystal-clear voice quality that often outperforms traditional landline phones.
The best VoIP phone system is one that fits your team’s workflow, scales with your business, and delivers excellent call quality. Look for a hosted VoIP service with reliable support, feature-rich IP phones, and simple management tools—all backed by strong uptime and customer reviews.
There are several trusted VoIP providers in the UK, including B4BC, BT, Vonage, and Zoom Phone. The best choice depends on your business size, support needs, and whether you need features like CRM integration or same-day installation.
VoIP phone systems are generally much cheaper than traditional phone systems. Most cloud VoIP plans are billed monthly and include bundled UK and international calls, eliminating the need for costly line rental or hardware. Pricing depends on the number of users, features, and your chosen VoIP service.
Yes—you can use a VoIP phone just like a regular phone, but with more flexibility and features. VoIP telephony supports voice calls, caller ID, call routing, voicemail, and even video calling, often through a single unified platform.
VoIP relies on your internet connection, so poor connectivity can affect call quality. However, with business-grade broadband and a reliable VoIP service provider, most businesses experience high-quality VoIP phone calls and 99.99% uptime.
Yes—most VoIP phones are plug-and-play. All you need is a compatible IP phone or VoIP handset and a stable internet connection. In some cases, you can also use a VoIP adapter to convert a traditional phone into a VoIP-enabled device.
A VoIP phone system lets you make telephone calls over your internet connection using internet protocol, instead of traditional phone lines. It’s a flexible, cloud-based VoIP solution that supports IP phones, mobile apps, and desktop devices—ideal for modern business communication and remote working.
Very. Most systems are designed with non-technical users in mind, offering a simple online portal where you can manage phone numbers, call routing, voicemail, and users. You don’t need any IT experience—plus, UK-based support is on hand if you ever need help or want to make changes.
