Next-generation business communications

Support Stack has a wealth of experience in delivering VoIP phone systems to businesses of all sizes across the UK and beyond. 

If you’re looking to:

  • Boost productivity 
  • Streamline your operations 
  • Improve customer services 
  • Reduce costs 

As VoIP service providers, we can help you remote-enable your communications and future proof your business.

All-encompassing VoIP for business

Support Stack specialises in delivering fully managed VoIP for business solutions that are comprehensive – no add-ons are required so the cost is capped, reducing expenditure.

Our VoIP phone system includes:

Video conferencing

Live chat

Instant messaging

Advanced security

The VoIP business phone platforms we provide integrate all the preferred methods and channels of communications for your customers and your workforce. This means everyone can stay in touch with everybody – wherever they are and at any time.

Support Stack’s VoIP phone system from 3CX can also be easily integrated with a range of other applications such as Salesforce, Google Contacts and Office 365 among others. Plus, our solutions are available with a variety of languages to facilitate communication on a global scale.

We partner with 3CX – a global leader in communications

With a wealth of experience as VoIP providers, Support Stack is proud to partner with and deliver 3CX solutions. 

3CX was founded in 2005 when VoIP for business was still an emerging technology. Today, 3CX is a global leader in business communications. The 3CX VoIP phone system has evolved from its roots as a PBX phone system to a complete communications platform, offering customers a simple, flexible, and affordable solution to call, video and live chat. 

With 3CX systems delivered and managed by Support Stack, your organisation can increase productivity and enhance customer experiences, while dramatically reducing costs and management headaches.


We partner with leading technology companies

“The Support Stack team delivered a professional software solution using their specialist expertise. They offer good value for money and are decent people to do business with. I would recommend them as an IT solutions supplier.”

Philip Adcock – Shopping Behaviour Xplained Ltd

“We have worked with Support Stack for nearly 5 years having transitioned over from our previous IT support. They have been instrumental in supporting the evolution of the IT infrastructure of HSSP Architects and its ongoing maintenance. Not only are they experts in their field, but they are also genuinely lovely people too. We would highly recommend them.”

Ros Harvey – HSSP Architects Limited

“Our organisation approached Support Stack in May 2020 as we urgently needed to update and modernise our current IT estate making full use of cloud services to enable efficient remote working. The team provided us with a proposal following an initial discussion, and we were delighted when they told us that the turnaround time to implement everything was 4 weeks! We would highly recommend Support Stack as they are professional and highly knowledgeable. We also took out their Support Plan where the service and response time to queries is excellent.”

Lisa Bushell – East Midlands Councils

“I cannot recommend John and the Support Stack team enough for the support they have given our business. Assisi Pet Care’s relationship with Support Stack started in March 2020 following the acquisition of Town and Country Petfoods, where Support Stack were providing the hardware and infrastructure support. Throughout the last number of months, we have expanded, rolled out and integrated a further 2 businesses onto the infrastructure, which has worked brilliantly.”

Will Cran – Assisi Pet Care

“Support Stack are fantastic with the support they provide ASHL. They are always on hand and offer a very prompt service. I would highly recommend Support Stack.”

Kelly Lewis – Adviser Services Holdings Limited

IT services

Frequently asked questions

Certainly not. With the 3CX VoIP phone system, it’s all about flexibility and choice. You choose and control your own numbers. You can choose an on-premises or cloud deployment, and you can choose your own hardware. You can also choose your own phones.

It certainly is. As VoIP providers, Support Stack will manage the solution for you, and it’s easy to add and manage extensions. Phone configuration and firmware is tested by 3CX, and your upgrades and updates can be deployed automatically. We can also provide hosting to further reduce any admin/maintenance.

Yes. 3CX is used by more than 600,000 organisations all around the world. It’s trusted by the NHS, American Express, and the Red Cross. And 76% of users gave the system a five-star rating on G2 Crowd.