Proactive IT Support Norwich Businesses Rely On Daily

Managed IT support, cybersecurity and Microsoft 365 management for businesses across Norwich. Fast remote support, responsive onsite assistance and reliable day-to-day IT services organisations depend on to keep operations running smoothly.

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 5.0 
   Top Rated Service 
 verified by Trustindex 
 Trustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.

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Complete IT Support for Norwich Businesses

From Microsoft 365 and cloud to cybersecurity and connectivity, we cover every layer of your IT stack with a single, accountable team.

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Fully Managed IT Support

Our managed IT services are designed to provide responsive day-to-day support alongside proactive maintenance and monitoring.

Unlimited remote IT support
Device and software troubleshooting
User account and access management
Proactive monitoring and maintenance
Ongoing technical guidance

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On-Site IT Support

We provide on-site IT support across Norwich for businesses requiring hands-on technical expertise.

Hardware diagnostics and deployment
Network troubleshooting
Office moves and site setup
Wi-Fi, firewall and switching support
Infrastructure upgrades

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Microsoft 365 & Cloud

We help Norwich organisations modernise and secure their cloud environments.

Microsoft 365 management
Email migrations and support
SharePoint and Teams configuration
Cloud backup and disaster recovery
Hybrid and remote working solutions

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Cybersecurity Services

Cybersecurity integrated into every service we deliver.

Endpoint protection and monitoring
Patch management
Firewall configuration
Multi-factor authentication (MFA)
Microsoft 365 security hardening
Cyber Essentials support

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Connectivity & Telecoms

Reliable communication and connectivity solutions designed for modern businesses.

Business broadband
Leased lines
4G/5G failover connectivity
VoIP phone systems (3CX)
Secure remote access solutions

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Backup & Disaster Recovery

Protect your business against downtime, data loss and cyber incidents with resilient backup and disaster recovery solutions designed to keep your organisation operational.

Microsoft 365 and server backup solutions
Immutable and offsite backup protection
Rapid recovery for files, systems and workloads
Business continuity and disaster recovery planning
Backup monitoring, testing and management

Sector-Focused IT Support in Norwich

We support organisations across a wide range of sectors throughout Norwich:

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Accounting & Professional Services

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Construction

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Education



Logistics & Warehousing

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Manufacturing

Client Reviews: Trusted IT Support for Businesses & Schools

      
 Excellent5.03 reviews
 5.0
 Excellent3 reviews
  Write a review 
 
 
 
   
 
 
      Posted on Google  
   
   Lucinda Knight 
 8 May 2025
 
 
 Trustindex verifies that the original source of the review is Google. CSLN Group Ltd recently installed new security cameras and a detection doorbell to my home. They have been extremely friendly and helpful throughout, making sure I was involved with the positioning of the camera locations and demonstrating the mobile phone app to me. I can highly recommend them to anyone who is looking for extra home security.
  
 
     Posted on Google  
   
   J Knight Design Ltd 
 29 April 2025
 
 
 Trustindex verifies that the original source of the review is Google. We have had CSLN as our IT support for over a year now and we couldn’t be happier with the professional, quick and responsive service they offer. CSLN provide a collaborative, friendly and professional approach to their work and clients. Their depth of knowledge has enabled them to consistently meet our requirements and keep us up to date with the latest security and software’s. We look forward to continuing this collaborative journey with CSLN as our IT partners. We would highly recommend.
  
 
     Posted on Google  
   
   Claire Cook 
 9 March 2025
 
 
 Trustindex verifies that the original source of the review is Google. I had a fantastic experience with CSLN Group Ltd! Their team is professional, responsive, and truly dedicated to delivering high-quality work. They went above and beyond to meet my needs, and their customer service was excellent. Highly recommend them for anyone looking for reliable, top-notch service!
  
 
 
  
 
 
   Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Business It Support Norwich | Csln Group | Business It Support | Managed Service Provider | 03303639976

Over the past three years, CSLN Group has been a key strategic partner in shaping and delivering our IT strategy. Their guidance and technical expertise have supported major projects including cloud transitions, infrastructure upgrades, and improved cybersecurity.

Their collaborative approach and deep understanding of our needs have enabled us to build a more resilient and future-ready IT environment. CSLN’s support has allowed our internal team to focus on service development with confidence in the stability and performance of our core systems.

We highly value our partnership with CSLN Group and would recommend them without hesitation.

Head of Information Technology, Hills Road Sixth Form College

Frequently Asked Questions

Do you have an office in Norwich?

Yes — we operate from a Norwich base, allowing us to provide fast, reliable on-site IT support across the area.

Do you provide IT support for local businesses?

Yes — we support SMEs, schools and larger organisations with flexible IT support services.

Can you support multiple sites?

Yes — we regularly support organisations operating across multiple locations within Norfolk and beyond.

Is cybersecurity included?

Yes — all services include core security protections, with advanced options available.

Ready to get your IT under control?

Book a free, no-obligation IT health check with CSLN Group. Straightforward advice, practical recommendations and support from experienced engineers — without the hard sell.