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Advisory, Technology & Assurance to stimulate business productivity and profitability

Unrivalled breadth of expertise
C5 Alliance are a Microsoft Certifed Solutions Partner
C5 Alliance are a Microsoft Certifed Solutions Partner
Trusted by Regulated Industries
Proven track record with finance, legal, and government sectors
Proven track record with finance, legal, and government sectors
Leaders in Cybersecurity
Advanced protection with local incident response
Advanced protection with local incident response

Our Multi-disciplinary Approach

No matter what we do together, we take a broader view of the challenges that businesses face - helping you thrive.

OUR BESPOKE STRATEGIC FRAMEWORK
ADVISE
  • Assurance
  • Regulatory
  • Advisory
  • Tax
TRANSFORM
  • Cybersecurity
  • Data & AI
  • Cloud
  • Applications
RUN
  • Outsourcing
  • IT Services
  • People & Skills

We act as the catalyst for your IT operations helping you run faster, safer, and smarter.

We deliver measurable business outcomes:

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  • Deep Sector Insight

    We understand your world and your challenges
  • Unique Multidisciplinary Approach

    Strategy, technology and support, delivered as one
  • Always-On Resilience

    Keep your operations running with 24x7x365 support
  • Start Small, Scale Fast

    Test and iterate with agile, lower-risk delivery
  • One Partner, Many Solutions

    We offer Advisory, technology and support all under one roof
  • Clear Roadmaps, Real Outcomes

    Technology plans aligned to business goals from day one
  • Trusted in Regulated Markets

    Proven delivery in complex, compliance-heavy environments
  • Reduce Cost, Increase Agility

    Optimise spend without sacrificing performance or security
From compliance to connectivity, we help you stay ahead—no matter your pace or complexity.
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Latest News & Insights

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A double exposure image of a serene mountain lake overlaid with purple and blue computer code, highlighting the benefits of N-Able's MDR features
News

Cyber Security that Never Sleeps

Introducing N-Able Managed Detection and Response (MDR)

Tuesday 12 August 2025
Several IT Services C5 Team Members working on their laptops and additional monitors at their desks in the office
News

Ransomeware Attack Protection

How Our IT Managed Service Protects You from Ransomware Attacks

Monday 11 August 2025
An image of computer code overlaid on an underwater scene
Insights

Data is King

Why your data platform is the most important system in your business

Monday 21 July 2025
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