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Confident in your current Mitel partner to support your organisation when you need it most?


Charterhouse understand that at the heart of every successful organisation is a customer-centric ethos and a strong focus on collaboration across both internal and external teams. When aiming to achieve this, the right technology, infrastructure and partner are intrinsic to success.



With 30 years experience, and over 15 years as a Mitel partner, our proactive approach ensures that your organisation can be confident in our capability to deliver the infrastructure, which underpins your business’ ability to deliver the services expected by your customers.


Why choose Charterhouse? 

Recommended by Mitel

As a Platinum Partner – the highest accreditation awarded by Mitel – we are one of only a few elite partners in the UK, recognised for our success, technical capabilities and commitment to designing, deploying and supporting Mitel solutions.

Proactive service 

Charterhouse support is available 24/7, with our Network Operations Centre providing proactive support for our customers, ensuring that any hiccups which may arise are dealt with efficiently and before they are able to significantly impact your organisation. This service runs parallel to our customer focused service desk, highly skilled engineers and dedicated PRINCE2 qualified project management team.

Technical Expertise

As part of your transition to Charterhouse, we are offering a full audit of your current Mitel estate, to ensure that your organisation is on a journey to collaboration success. We will deliver a roadmap from today to where you should be, based on Mitel best practice, as well as enabling your team to work remotely and securely.



Having built strong relationships with top-tier vendors across the technology stack, Charterhouse are eliminating the need to have multiple suppliers, by consolidating a range of solutions into a comprehensive package, which we will deliver as your trusted partner to transform your business.

Challenges your business may be facing

Hot Topics

How do I...

  • Get my Mitel into the Cloud
  • Migrate from ISDN to SIP
  • Integrate with Microsoft Teams
  • Better support home working
  • Get more value from my investment in Mitel

Our team of technology experts are on hand to talk through all of these challenges, and more. Making your technology choices simple is our business! 

Connectivity. Collaboration. Security.


Connectivity, collaboration and security are the three pillars underpinning our proposition, ensuring your business thrives in today’s world of digital disruption.  Making your technology choices simple is our business!


Watch our video to find out more>>


Case Studies

Museum of London selects Charterhouse Group to deliver telephony support that provides resilience and cost savings.

Museum of London

Charterhouse Group deliver telephony support to the Museum of London. By engaging with Charterhouse, the Museum of London have saved around £30,000 each year on their telephony costs, and now benefit from a stable, resilient telephony solution that offers the latest features and functionality.

Charterhouse took a highly consultative approach when designing and deploying our telephony system. They were diligent in ensuring that our telephony was fit for purpose, and met our expectations. CVD also trained our in house team, which helps us to help ourselves when we need to make simple changes to the telephony system.”   

Adam Monnery, Head of IT

Business Design Centre

The Business Design Centre selects Charterhouse Group to implement a scalable Unified Communications solution that improves customer experience. 

"Charterhouse understood our business needs, and adapted accordingly. No matter our question, big or small, Charterhouse always responded. They were a key fit for our culture, and we had the same great experience no matter who we spoke to." 

         Carly Kling, Property and Communications Manager

Speak to the team to find out how we can help your organisation