Keeping your business IT infrastructure secure, efficient, and scalable is no small task. That’s where Managed IT Service Providers (MSPs) come in—offering dedicated support, cybersecurity, cloud management, and 24/7 monitoring to keep operations smooth. London is home to world-class MSPs who deliver tailor-made technology solutions for businesses of all sizes.
Here’s an expertly curated list of London’s top 20 managed IT service providers in 2025.
1. Virtuoso
Website: www.virtuoso.tech
Phone: +44 20 3322 2370
Services: Managed IT, Cloud Migration, Cybersecurity, Backup & Recovery, Email Security
About: Virtuoso is an award-winning Microsoft Cloud partner offering cutting-edge IT support solutions. Their 24/7 assistance and proactive monitoring help businesses maximize uptime.
How to Contact: Visit their site or email hello@virtuoso.tech to book a free consultation.
2. SecurityHQ
Website: www.securityhq.com
Phone: +44 207 868 1900
Services: Managed IT, Threat Detection, Incident Response, SOC Services, Identity Management
About: SecurityHQ stands out globally for its managed cybersecurity services and rapid incident response solutions. Known for its SOC operations in London, it provides customized security frameworks for enterprises.
Contact: Reach out directly from their website for expert consultation.
3. OryxAlign
Website: www.oryxalign.com
Phone: +44 207 740 7222
Services: IT Support, Cloud Hosting, Backup & Recovery, Cybersecurity, Managed Networks
About: Founded in 2006, OryxAlign integrates IT strategy and innovation for SMEs. Their digital transformation services are designed to enhance efficiency and resilience.
Contact: Schedule a call through their online contact page.
4. Exponential-e Ltd
Website: www.exponential-e.com
Phone: +44 207 702 3750
Services: Cloud Infrastructure, Cybersecurity, Networking, AI & Data Analytics
About: A London-based industry leader offering hybrid cloud and AI-driven services, Exponential-e merges connectivity with security for agile growth.
5. Wanstor Ltd
Website: www.wanstor.com
Phone: +44 20 7940 5520
Services: IT Support, Cybersecurity, Cloud Migration, Data Storage, Managed Infrastructure
About: Wanstor’s expertise in business transformation earns it accolades among UK enterprises. Their technology drives measurable digital success.
6. Doherty Associates
Website: www.doherty.co.uk
Phone: +44 20 3655 6555
Services: Cloud Services, DevOps, Domain Hosting, Backup Solutions, Cybersecurity
About: Offering round-the-clock IT monitoring, Doherty Associates provides tailored MSP solutions with a strong focus on cloud and network innovations.
7. Wavex Technology Ltd
Website: www.wavex.co.uk
Phone: +44 20 7407 8617
Services: IT Outsourcing, VoIP, Cybersecurity, Microsoft 365, Cloud Support
About: Founded in 1998, Wavex delivers proactive IT management and secure, scalable technology solutions for large enterprises across London.
8. Conosco
Website: www.conosco.com
Phone: +44 20 7317 9000
Services: IT Managed Services, Data Security, ERP, Cloud Management
About: Conosco combines managed IT with strategic consultancy—empowering businesses through digital innovation and automation.
9. Ingentive
Website: www.ingentive.co.uk
Phone: +44 203 916 5100
Services: Microsoft 365, Azure, Cybersecurity Consulting, IT Strategy
About: A gold Microsoft partner specializing in modern workplace solutions integrating Microsoft Cloud tools.
10. Version 1
Website: www.version1.com
Phone: +44 20 7038 8700
Services: IT Strategy, ERP, DevOps, Cloud Migration, Data Analytics
About: Version 1 has helped global brands harness the power of cloud innovation and transformation.
11. Texaport
Website: www.texaport.co.uk
Phone: +44 131 322 7979
Services: Managed IT Support, Cybersecurity, Cloud Consulting, IT Strategy
About: Praised for prompt, reliable support, Texaport offers transparent pricing and hands-on service that makes them a perfect partner for SMEs.
12. Andersen Inc.
Website: www.andersenlab.com
Phone: +44 207 097 9280
Services: IT Managed Services, AI Solutions, Custom Software, CRM Integrations
About: Andersen delivers technology excellence and innovative IT management with seamless execution and global reputation.
13. Transparity
Website: www.transparity.com
Phone: +44 333 888 4740
Services: Cloud Migration, Azure, Cybersecurity, IT Consulting
About: Transparity leads in Microsoft Azure consulting and cybersecurity with proven client satisfaction across industries.
14. SPD Technology
Website: www.spd.tech
Phone: +44 20 4525 1441
Services: AI Development, Managed IT, Product Engineering, DevOps Consulting
About: Known for its proactive project management, SPD Group blends technical innovation with reliability.
15. Digitalis.io
Website: www.digitalis.io
Phone: +44 20 3318 6232
Services: Data Architecture, Cloud Migration, Infrastructure Management
About: Renowned for its Apache Cassandra and Kafka expertise, Digitalis.io reduces costs through automation and managed data pipelines.
16. Six Degrees Group
Website: www.6dg.co.uk
Phone: +44 20 7852 8200
Services: Backup, Cloud Migration, Cybersecurity, Colocation
About: A staple MSP in London’s enterprise ecosystem, Six Degrees provides secure, hybrid-managed cloud solutions.
17. Transputec Ltd
Website: www.transputec.com
Phone: +44 20 8584 1400
Services: IT Support, Cybersecurity, Cloud Solutions, AI Automation
About: With over 35 years of experience, Transputec delivers robust technology support and digital transformation solutions.
18. Akita
Website: www.akita.co.uk
Phone: +44 207 100 7233
Services: IT Support, Microsoft 365, Backup & Recovery, Cybersecurity
About: Akita supports both private and public institutions with reliable IT and business application management.
19. Foresite Cybersecurity
Website: www.foresite.com
Phone: +44 1252 757460
Services: Managed IT, Cybersecurity, Cloud Compliance, Data Protection
About: As a cybersecurity powerhouse, Foresite provides cost-effective security monitoring, risk detection, and compliance management solutions.
20. Deployflow
Website: www.deployflow.com
Phone: +44 77 1223 3674
Services: Cloud-Native DevOps, Infrastructure Management, Enterprise App Modernization
About: Combining AI and infrastructure expertise, Deployflow is known for delivering solid solutions that stand the test of time.
Final Thoughts
Choosing the right managed IT service provider is about more than outsourcing—it’s about partnership, innovation, and scalability. Each of the MSPs listed above in London brings specialized expertise to secure, modernize, and optimize your digital environment. Whether you’re a small business or a growing enterprise, these agencies will ensure your IT foundation remains strong and your operations future-ready.