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15 Years
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Your Trusted IT Partner in Croydon
RedDoor IT has been delivering comprehensive IT support and cybersecurity solutions since 2011, establishing itself as a trusted technology partner for businesses of all sizes. Our team of certified professionals specialises in managed IT services, cloud infrastructure, and proactive cybersecurity measures, ensuring organisations can focus on core operations while we handle technical complexities. With 24/7 UK-based support and a client retention rate exceeding 95%, we combine technical expertise with exceptional service delivery. Our Microsoft Solutions Partner status and IASME Cyber Essentials certification demonstrate our commitment to industry standards.

We provide tailored solutions for businesses ranging from SMEs to enterprises, offering scalable services including network management, data protection, and IT consultancy. Our proven track record includes successful implementations for diverse sectors, supported by a robust SLA guaranteeing 98.3% response rates for critical issues. We maintain transparency through real-time reporting and regular client consultations, ensuring alignment with evolving business needs. Our investment in continuous staff training and cutting-edge technologies enables us to deliver forward-thinking solutions that drive operational efficiency and digital resilience.
Services
Managed IT Support Cybersecurity Solutions Microsoft 365 Services Cloud Storage Hosted Desktops Hardware Sales Consumables Supply VOIP Systems Business Broadband Cyber Essentials Certification
Details
  • Year established: 2011
Highlights and features
  • We offer 24/7 UK-based technical support with 98.3% SLA compliance
  • Our team holds Microsoft Solutions Partner certification
  • Proven track record with 95%+ client retention rate
  • IASME-certified Cyber Essentials and Cyber Essentials Plus status
  • Customised solutions for businesses with 10-200+ employees
Associations and certifications
  • Cyber Essentials
  • Cyber Essentials Plus
  • IASME
What people say
Quick response Excellent technical support Resolved efficiently Proactive improvements Professional service
Services
Managed IT Support
Our comprehensive managed IT support ensures businesses maintain optimal system performance through proactive monitoring and rapid issue resolution. We provide SLA-backed services including network management, server maintenance, and 24/7 technical assistance. Our solutions scale from SMEs to enterprise clients, with pricing starting at 17.50 per device.
Cybersecurity Solutions
We offer multi-layered cybersecurity protection including threat detection, vulnerability assessments, and Cyber Essentials certification support. Our services include firewall management, email security, and employee training programs to combat evolving cyber threats across UK businesses.
Microsoft 365 Services
As Microsoft Solutions Partners, we provide complete Microsoft 365 implementation, migration, and management services. Our support covers cloud storage, collaboration tools, and security configurations to maximise productivity for businesses using Microsoft's ecosystem.
Cloud Storage
Our secure cloud storage solutions offer scalable data management with automatic backups and enterprise-grade security. We support hybrid and full-cloud implementations with ISO27001-certified data centres, ensuring business continuity and compliance with UK data protection regulations.
Hosted Desktops
We deliver hosted desktop solutions enabling remote access to business systems with enterprise security. Our VDI services include infrastructure planning, implementation, and ongoing support for flexible working arrangements while maintaining data protection standards.
People
Mark Deragon
Managing Director
With over 30 years' experience in IT leadership, Mark directs RedDoor's strategic vision. His expertise spans network infrastructure and cloud computing, supported by a passion for golf that mirrors his disciplined business approach.
Barry Hannah
Cybersecurity & Technology Director
Bringing 25 years of technical leadership, Barry oversees cybersecurity operations. A Fulham FC season ticket holder, he combines football enthusiasm with delivering robust IT security solutions for business growth.
Kirsten Taylor
Operations Director
With 8 years at RedDoor, Kirsten manages operations and accounts while maintaining fitness commitments. Her organisational skills ensure smooth delivery of IT services and client communications.
Tony Deragon
Director of RedDoor Trade
With 7 years' experience, Tony specialises in account management for trade sector clients. His technical expertise combines with pool and golf skills to deliver tailored IT solutions for tradespeople.
Gordon Walker
Business Mentor
An experienced business coach, Gordon supports leadership development at RedDoor. His expertise in IT outsourcing contracts helps shape strategic growth initiatives for the management team.
Questions
What IT services do you offer for small businesses?
We provide managed IT support, cybersecurity solutions, cloud storage, and hardware supply tailored for SMEs with 10-50 employees.
Do you provide 24/7 technical support?
Yes, our UK-based team offers 24/7 support with 98.3% SLA compliance for critical issues.
Can you help with Cyber Essentials certification?
We are IASME-licensed to provide Cyber Essentials and Cyber Essentials Plus certification support.
What Microsoft 365 services do you offer?
We provide Microsoft 365 implementation, migration, and management services as certified Microsoft Solutions Partners.
Do you support remote working solutions?
Yes, we offer hosted desktop solutions and cloud infrastructure to enable secure remote working environments.
What are your service pricing options?
We offer tiered packages from £17.50 per device, including Essential, Core, Advanced, and Ultimate service levels.