List of Mitel Phone System Customers
Mitel
4000 Innovation Drive,
Kanata, K2K 3K1, ON,
Canada
Kanata, K2K 3K1, ON,
Canada
1 613-592-2122
Professional Services
4200
$1.1B
Since 2010, our global team of researchers has been studying Mitel Phone System customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased Mitel Phone System for PBX, VoiP and Phone Systems from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using Mitel Phone System for PBX, VoiP and Phone Systems include: British Telecom, a United Kingdom based Communications organisation with 85300 employees and revenues of $26.83 billion, Quilter, a United Kingdom based Banking and Financial Services organisation with 3005 employees and revenues of $5.10 billion, Carnival Corporation UK, a United Kingdom based Leisure and Hospitality organisation with 11000 employees and revenues of $1.61 billion, Hobson Prior International, a United Kingdom based Banking and Financial Services organisation with 2630 employees and revenues of $1.35 billion, North East Ambulance Service NHS Trust, a United Kingdom based Healthcare organisation with 6614 employees and revenues of $1.00 billion and many others.
Contact us if you need a completed and verified list of companies using Mitel Phone System, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight |
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British Telecom | Communications | 85300 | $26.8B | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2018 | n/a |
In 2018 British Telecom implemented Mitel Phone System to strengthen its PBX, VoiP and Phone Systems estate and to support enterprise telephony operations. British Telecom Mitel Phone System PBX, VoiP and Phone Systems was positioned to manage call control, SIP signaling, and core voice services across business switch and enterprise voice functions.
The deployment included Mitel 3300 platform configurations documented in technical staffing records, and configurations aligned with Session Initiation Protocol based SIP trunking. Functional capabilities emphasized IP PBX call control, handset provisioning, and SBC based session security, consistent with roles listing Session Border Controller and IP PBX expertise.
Integrations referenced in operational notes included interconnects with BroadWorks and Centrex style carrier interfaces, and the environment operated as a mix of on premise and hosted Mitel instances. Operational coverage tied to service operations and network engineering teams included second line and third line support tiers, reflecting recorded Business Switch 2nd line and Mitel 3rd line responsibilities.
Governance and support were organized around multi tier technical ownership, with third line VoIP technical specialists managing Mitel platform configuration, SIP and SBC troubleshooting, and ongoing voice operations. Change controls and configuration management practices were implied by the sustained specialist roles responsible for Mitel Phone System platform support.
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Carnival Corporation UK | Leisure and Hospitality | 11000 | $1.6B | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2018 | n/a |
In 2018 Carnival Corporation UK deployed Mitel Phone System for PBX, VoiP and Phone Systems to standardize shipboard and shore voice services. The Mitel Phone System was provisioned as the primary telecom application for core telephony across targeted UK vessels and shore administration, addressing PBX and VoIP switching needs for onboard communications.
Implementation focused on PBX functional modules common to the category, including core call routing and switching, SIP trunking and session management, handset provisioning and directory services, voicemail and unified messaging, conferencing and operator services. Configuration work encompassed voice provisioning templates for shipboard handsets and consolidated administrative tools for provisioning, fault ticketing and firmware management under a single telecom administration model.
Operational coverage included support and administration for the vessels Ventura, Arcadia, Britannia and Aurora, with onboard Mitel PBX instances managed alongside existing Siemens PBX equipment where present. Governance established centralized telecoms administration in the UK, standardized provisioning and incident workflows for fleet operations, and defined ship to shore operational handoffs for maintenance and support.
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Day Group | Construction and Real Estate | 529 | $62M | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2017 | n/a |
In 2017, Day Group implemented the Mitel Phone System. The Mitel Phone System is categorized as PBX, VoiP and Phone Systems and was provisioned to support Day Group's corporate telephony across its construction and real estate operations, with administration and operational ownership held by the internal IT team led by the IT Support Lead.
Deployment and configuration centered on core PBX capabilities including call routing, extension provisioning, voicemail management, and user provisioning tied to Active Directory for centralized identity and access control. Project activities documented in-house show requirements analysis, detailed technical specifications, and a supervised testing schedule, with explicit oversight of data migration tasks during the rollout.
Integrations and operational coordination were executed with Microsoft Office 365 and Skype for Business to align telephony identities and presence, and network-level interoperability was managed alongside existing Cisco routing and switching and Citrix desktop infrastructure. Governance covered change control, user training, technical documentation, and day-to-day 3rd Line Support responsibilities, with the IT Support Lead translating stakeholder requirements into technical briefs and maintaining system documentation and support processes.
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DHU Healthcare | Healthcare | 1728 | $115M | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2012 | n/a |
In 2012, DHU Healthcare implemented Mitel Phone System as its core PBX, VoiP and Phone Systems platform. The Mitel Phone System established a centralized telephony backbone to support NHS 111 call handling and corporate voice services across DHU Healthcare, positioning the application as the primary telephony infrastructure for the organisation.
The deployment encompassed standard PBX and VoIP capabilities consistent with the PBX, VoiP and Phone Systems category, including call routing and queuing for a staffed call centre, agent desktop telephony for NHS 111 operators, voicemail and receptionist console functionality, and SIP based VoIP connectivity to staff handsets. Configuration and handset provisioning workflows were implemented to support desk phones and IP handsets, and the system was configured to enable remote worker telephony for community based staff.
Operational support and rollout activities continued into the Covid period, with an IT Desktop and Field Engineer supporting desktop configuration of the NHS 111 Call Centre and performing build and deployment of laptops and Mitel Phones to community based staff and homeworkers from DHU Healthcare Head Office in Derby during 2020 to 2021. Governance emphasis was placed on device provisioning and field deployment procedures, with on site configuration and remote onboarding workflows used to extend telephony to distributed teams and homeworkers as part of the pandemic response.
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Good Energy Group | Utilities | 362 | $330M | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2019 | n/a |
In 2019, Good Energy Group implemented Mitel Phone System to centralize enterprise telephony and contact centre administration. The Mitel Phone System is classified under PBX, VoiP and Phone Systems and was administered as part of the company Service Desk operational remit.
Configuration work centered on Mitel Connect Director and Mitel Contact Centre Director, with administrators performing user provisioning, adding and removing workgroups, managing permissions, and defining wrap up and release codes for contact centre agents. Management tooling included MSI Management Studio and Call Recording Admin and Desktop Client, which were used to control recording permissions, enable live listening, grant record privileges, and execute deletion of recorded calls on request.
Operational coverage for the Mitel Phone System was handled by the Service Desk and contact centre teams, and day to day activities included desk moves, desktop client configuration, and processing new starters, internal movers and leavers to align phone extensions and access rights. Service Desk workflows ran alongside ticketing and device inventory processes provided by KACE, which supported incident and change handling for telephony requests.
Governance practices emphasized role based permission controls for call recording and agent functions, request driven removal of recordings, and structured management of wrap up codes and contact centre permissions. These controls were embedded into onboarding and offboarding procedures to maintain operational accountability for the Mitel Phone System.
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Banking and Financial Services | 2630 | $1.3B | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2019 | n/a |
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Professional Services | 989 | $47M | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2015 | n/a |
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Healthcare | 6614 | $1.0B | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2009 | Wavenet |
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Banking and Financial Services | 3005 | $5.1B | United Kingdom | Mitel | Mitel Phone System | PBX, VoiP and Phone Systems | 2019 | n/a |
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Buyer Intent: Companies Evaluating Mitel Phone System
ARTW Buyer Intent uncovers actionable customer signals, identifying software buyers actively evaluating Mitel Phone System. Gain ongoing access to real-time prospects and uncover hidden opportunities. Companies Actively Evaluating Mitel Phone System for PBX, VoiP and Phone Systems include:
- University of North Florida, a United States based Education organization with 1160 Employees
- Global Technical Systems, a United States based Aerospace and Defense company with 120 Employees
- HostedBizz, a Canada based Professional Services organization with 30 Employees
Discover Software Buyers actively Evaluating Enterprise Applications
| Logo | Company | Industry | Employees | Revenue | Country | Evaluated | ||
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FAQ - APPS RUN THE WORLD Mitel Phone System Coverage
Mitel Phone System is a PBX, VoiP and Phone Systems solution from Mitel.
Companies worldwide use Mitel Phone System, from small firms to large enterprises across 21+ industries.
Organizations such as British Telecom, Quilter, Carnival Corporation UK, Hobson Prior International and North East Ambulance Service NHS Trust are recorded users of
Mitel Phone System for PBX, VoiP and Phone Systems.
Companies using Mitel Phone System are most concentrated in Communications, Banking and Financial Services and Leisure and Hospitality, with adoption spanning over 21 industries.
Companies using Mitel Phone System are most concentrated in United Kingdom, with adoption tracked across 195 countries worldwide. This global distribution highlights the popularity of Mitel Phone System across Americas, EMEA, and APAC.
Companies using Mitel Phone System range from small businesses with 0-100 employees - 0%, to mid-sized firms with 101-1,000 employees - 33.33%, large organizations with 1,001-10,000 employees - 44.44%, and global enterprises with 10,000+ employees - 22.22%.
Customers of Mitel Phone System include firms across all revenue levels — from $0-100M, to $101M-$1B, $1B-$10B, and $10B+ global corporations.
Contact APPS RUN THE WORLD to access the full verified Mitel Phone System customer database with detailed Firmographics such as industry, geography, revenue, and employee breakdowns as well as key decision makers in charge of PBX, VoiP and Phone Systems.