Find the ideal business phone system in the United Kingdom

Explore leading on-premise PBX and cloud systems for businesses


A trusted provider of PBX phone systems for businesses in the United Kingdom

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Established in 1985, United Telecoms was created to address the demand for dependable and affordable business telephony solutions.

As a leading provider, we cater to businesses across Kent and the entire United Kingdom.

Greater London: City of London, Hounslow, Barking and Dagenham, Islington, Barnet, Kensington and Chelsea, Bexley, Kingston upon Thames, Brent, Lambeth, Bromley, Lewisham, Camden, Merton Croydon, Newham, Ealing, Redbridge, Enfield, Richmond upon Thames, Greenwich, Southwark, Hackney, Sutton, Hammersmith and Fulham, Tower Hamlets, Haringey, Waltham Forest, Harrow, Wandsworth, Havering, Westminster and Hillingdon.

We offer tailored on-premise (analogue and IP PBX) and cloud phone systems for businesses across industries, ranging from local small businesses to larger enterprises with operations in many counties across the UK.

Contact us to get expert help finding the perfect PBX system for your business.

Get in touch using our national office number provided below, or the “chat now” button in the bottom right hand corner of this page. 

Contact us 033 1630 0516

What is a business phone system?

A business phone system can refer to on-premise analogue and VoIP systems including cloud PBX, hybrid IP PBX, SIP trunks, cloud phone systems (also known as hosted PBX systems) and more. 

Business phone systems aim to provide reliable communication and collaboration solutions for seamless operations

Business PBX systems are implemented based on the unique requirements of a business, considering factors such as team size, existing phone system setup, internet connection and more. 

Contact an expert from our team for help finding the ideal business phone system.


Telephone system options for managing office communications & home offices

Streamlining business communications can be a challenging task, but having the right phone system can simplify the process of managing internal and external communications.

Businesses can choose from several options, each with its own installation requirements, features, and costs. 

Let’s take a look at our PBX solutions (including traditional phone systems and IP PBX) and Cloud PBX phone systems.

On-premise analogue and hybrid IP PBX systems

At United Telecoms, we are dedicated to creating personalised on-premise phone systems that enable businesses to optimise their communication workflows. 

Our team of experts excel at handling fresh installations, upgrades, downgrades, and reinstallations of both analogue and hybrid PBX telephone systems.

Our analogue and hybrid VoIP systems are fully customizable and can be designed to support a range of features that cater to the specific needs of your business, such as voicemail, call routing, conferencing, and more.

Explore our on-premise phone systems for business in the United Kingdom, and contact a friendly expert from our team to assess your unique requirements.

On-premise PBX systems
cloud pbx system

Feature-rich cloud phone systems

A business cloud phone system provides a complete enterprise-grade business phone system that is managed in the cloud and accessed using a web or mobile application. Hosted PBX phone systems are packed with standard and advanced features to streamline voice communications. 

With Cloud PBX, businesses can rely on their internet connection to manage voice communications – eliminating cost of line rentals and complex hardware installation as well as reducing maintenance costs, call rates and other expenses. 

Our hosted PBX system options including United Voice Cloud PBX and H.V Select PBX systems

United Voice Cloud PBX is our own solution that provides businesses with a feature packed and scalable hosted phone system, and three different packages to suit their team size and needs.

Explore cloud phone systems and contact us for support setting up a hosted PBX system that suits your unique requirements.

Cloud hosted PBX systems

Small business telephone systems for small teams & home offices

Ideal for small businesses and startups (Team size: 2 to 5 users)

Our small business phone systems are perfectly suited for handling the voice communication requirements of small teams and startups. 

We provide on-premise analogue and hybrid PBX systems as well as cloud phone systems to help small businesses streamline and centralise communications.

Our PBX systems for small businesses are highly scalable and customisable, with key features including call routing, recording, auto-attendant, unified communications capabilities and more. 

Learn more about our small business phone systems and contact us to submit your custom enquiry. 

Small business phone systems

PBX systems for medium sized businesses

Ideal for growing businesses (Team size: 6 to 30 users)

We also provide business phone systems tailored to suit the requirements of growing enterprises with medium sized teams. 

Our on-premise analogue and hybrid IP PBX systems, and cloud based phone systems are capable of managing the unique needs of growing teams, optimising internal and client communications.

With key features the include everything from call routing and recording to remote access functionality and unified communications capabilities – our PBX solutions will match your demands perfectly. 

Learn more about our business phone systems for medium sized businesses and contact us to submit your custom enquiry. 

Mid-sized business telephone systems

Enterprise PBX phone systems for established businesses

Ideal for large businesses and multi-site enterprises (Team size: 31 to 201 users)

We provide PABX systems tailored to suit the needs of single or multi-site enterprises with large teams. 

Our on-premise analogue and hybrid IP PBX systems, and cloud PBX solutions are tailored to suit the unique requirements of big businesses that need to streamline and centralised communications across touchpoints. 

Our solutions are equipped with robust features and advanced capabilities, including advanced telephone management reporting, call routing, call recording, IVR, voicemail to email, video conferencing and much more. 

Explore our phone systems for large businesses and contact us to submit your unique requirements.

Large business telephone systems

On-premise PABX system purchase options

At United Telecoms, we offer flexible payment options for business PBX systems. You can either purchase your phone system outright via BACS payment or opt for a fixed-term rental.

PBX fixed-term rentals and upfront purchases

Purchasing equipment outright through a BACS payment enables businesses to take immediate ownership of their hardware and potentially save on the total cost of the system.

Choosing to rent the equipment affords businesses the chance to sidestep substantial one-time payments while enjoying increased flexibility in terms of upgrades, expansions, and maintenance.

PABX rental terms may range between 12 – 60 months depending on your requirements and budget. Short-term rental options are also available. 

Contact one of our specialists to learn more about our pricing and purchase options for on-premise business telephone systems

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Explore key features of business phone systems

Our PBX solutions for businesses boast an extensive set of features tailored to improve business communications and boost efficiency.

Let’s take a closer look at some of the main features that on-site PABX systems deliver, assisting businesses in refining their communication processes.

Requirements for business telephone system installation

The installation requirements for various PBX phone systems depend on the type of phone system you choose, such as a traditional phone system, hybrid VoIP system, or cloud telephone system.

To gain a deeper understanding of the requirements for installing PBX systems, take a look at our PBX installation page or reach out to us for further assistance.

Required for a traditional phone system and hybrid PBX systems. The number of lines you’ll need depends on the number of users required.

For analogue PBX systems and hybrid PBX systems, you will need a PBX main unit and other essential hardware components.

Desk phones and base stations for cordless phones require proper physical connections to your PBX system, which requires correctly laid-out cabling within your premises. The extent of your cabling needs may differ for installing cloud based phone systems.

Location is a crucial factor as it can influence the type of phone system and network solution that best suits your communication needs. If you’re implementing a VoIP phone system, you will need to utilise a reliable internet connection (broadband or fibre) to facilitate communication.

Existing PBX handsets need to be compatible with your system or new handsets can be purchased, such as analogue, digital, or VoIP phones, to help manage your communications. Handsets and peripherals must be selected based on compatibility with your system and their ability to manage voice communications.

Frequently asked questions about on-premise PABX system

Choosing the right telephone system requires careful consideration of your communication needs, team size, budget, network and desired setup (analogue, hybrid or cloud PBX). 

When installing an on-premise PBX system, the landscape of your business’s current telephone system and infrastructure is also important (for example, traditional phone lines, wiring and other hardware components may need to be in place in order to install the system successfully. 

When installing a cloud phone system, your network, team size, IP phones and peripherals, and required features are key considerations. 

Contact an expert from our team to assess your needs and get help finding the ideal business phone system.

The acronym PBX stands for Private Branch Exchange, which denotes a multiline phone system commonly employed by businesses.

In today’s era, PBX solutions have evolved to encompass on-premise analogue, hybrid VoIP phone systems, and cloud PBX systems, which help companies in efficiently manage their voice communications while offering a wide array of features and benefits.

Contact us, and our team will assist you in finding the perfect PBX solution that aligns with your specific requirements.

Got questions? Contact our experts today.


We service the following locations across London and the United Kingdom

Greater London: City of London, Hounslow, Barking and Dagenham, Islington, Barnet, Kensington and Chelsea, Bexley, Kingston upon Thames, Brent, Lambeth, Bromley, Lewisham, Camden, Merton Croydon, Newham, Ealing, Redbridge, Enfield, Richmond upon Thames, Greenwich, Southwark, Hackney, Sutton, Hammersmith and Fulham, Tower Hamlets, Haringey, Waltham Forest, Harrow, Wandsworth, Havering, Westminster and Hillingdon.

What Our Customers Say

“Once we approved the installations we were kept up to date daily with the levels of progress on our various sites and were very impressed with the final installation”

Spear Properties


Get In Touch

London Office

2 Osborne Way
KT19 8GR
United Kingdom (UK)

Tel: 033 1630 0516
Tel: 020 3399 8011


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