About Northdoor plc
Northdoor is an award-winning London-based IT consultancy and managed services provider with over 30 years’ experience. We deliver secure, scalable IT solutions that improve operational performance and infrastructure optimisation across on-premise, cloud, and hybrid platforms. Clients engage us when systems are complex, teams are stretched, or reliable delivery is essential. What we do We design, run, and support IT environments to balance performance, cost, and reliability. Our services include infrastructure optimisation, cybersecurity, regulatory compliance (DORA, NIS2, GDPR, Cyber Resilience Act), business analytics, AI, IT automation, application development and migration, and managed IT services. We enable businesses to protect data, ensure compliance, unlock reporting and intelligence, and maintain critical platforms with continuity and accountability. We can provide experienced viewpoints on your concerns. Who we work with We support CIOs, CFOs, CISOs, IT directors, and senior managers in financial services, insurance, charity, healthcare, public sector, and retail. Our clients face cyber threats, regulatory pressures, digital transformation, and legacy system migration challenges. They need expert partners who deliver with minimal disruption and remain accountable beyond go-live. Proven track record & partnerships Nine of our top ten clients have partnered with us for over a decade, and we maintain a client satisfaction rate of 89%. Strategic vendor partnerships with IBM, Microsoft, and other leading providers enable us to deliver end-to-end cloud, data, analytics, security, and application solutions. Awards 2025 – Security Project of the Year, Computing Security Awards 2024 – EMEA Rising Star Partner of the Year 2023 – Big Data / Analytics Solution of the Year, IT Europa Channel Awards 2022 – Cloud Solution Provider of the Year, IT Europa Channel Awards 2021 – Security Solution of the Year, European IT & Software Excellence Awards. MillionPhones has 10 verified mobile phone numbers for Northdoor plc employees across 3 departments, helping sales teams connect with decision-makers directly.
Northdoor plc Phone Numbers by Department
| Department | Contacts | Verified Mobiles | Coverage |
|---|---|---|---|
| Other | 4 | 55% | |
| Customer Success | 2 | 70% | |
| Sales | 2 | 56% |