Computer Services Group Ltd (CSG) are the trusted Microsoft Solutions Designation Partner and Sophos Platinum Partner to over 400 SME & Enterprise businesses. We have been providing market leading IT, telephony and software services throughout the UK since 1985; making us one of the longest established IT companies in Wales.
At CSG we empower businesses to thrive in an increasingly digital environment through our proven Consult, Transform and Protect approach. We partner with you to understand your challenges, craft strategies and implement the latest technologies to help you reach your goals and stay ahead of industry demands.
Consult – We begin by listening. Our expert consultants work closely with your team to assess your current onsite and digital infrastructure to identify opportunities and use our experience in the most advanced technology to help you reach your business objectives.
Transform – Using powerful tools like Microsoft Copilot, we help you create and maintain an AI framework that helps automate your operations, increase productivity and bring your digital infrastructure to the 21st century through our trusted digital frameworks. Whether it’s automating workflows or gaining insights from your data, we help your business make the most out of technology to drive meaningful change.
Protect – Security is at the core of everything we do. With advanced solutions like Sophos Managed Detection and Response (MDR), we proactively defend your business against cyber threats. No business is safe from falling victim to a cyber breach so it’s important to review your systems and train your first line of defence, your employees.
At CSG, we don’t just deliver technology, we deliver outcomes. Let us help you build a smarter, safer and more connected business. Being partnered with the world’s leading technology vendors allows us to deliver the most trusted and innovative solutions to your business.
These strategic alliances ensure that you benefit from tools and platforms that not only vastly improve your business’ operational efficiency but also bring you closer to your customers, build greater trust with stakeholders and support a more technology-driven approach to growth.
With access to the best in the industry, we help you stay competitive, secure, and future-ready. Our partnerships include:

Whether your business needs an IT strategy developed, migrate your services into the cloud, want to simplify your voice services into a single platform or are in need of a complete technology upgrade, we can help.
Helping businesses succeed through technology transformation for 40 years
Consult
CSG begins by providing expert guidance and a clear strategy for your IT roadmap, with a strong focus on cloud transformation, helping you migrate systems to the cloud and leverage the latest in AI technologies so your business stays ahead.
All of this is delivered while maintaining an industry-leading security posture that not only meets the specific needs of your industry’s compliance and regulatory standards but also protects you against the latest AI threats and more. We can help make sure that your digital transformation is both innovative and secure.
Transform
CSG transforms your business through our managed IT services and expert infrastructure guidance. Our support includes transitioning your phone systems from traditional landlines to cloud-based solutions, while delivering 24/7 cybersecurity protection powered by Sophos MDR and Microsoft to keep your operations secure and resilient.
Our managed services begin with a 24 hour support help desk option to give you technical support no matter the time or day. Our technicians will also monitor your IT systems on a 24/7 basis through our immediate response team. Your systems and data will be automatically backed up and held securely, at our own data centres and in the cloud.
Protect
CSG combines our cyber security expertise we’ve gained for the last 40 years, from protecting businesses against the first computer bugs in the 1980s, to using advanced threat intelligence security tools like Managed Detection and Response (MDR) and helping your business adopt a zero-trust security methodology to proactively defend your business against cyber threats.
No organisation is immune to attack without taking proactive measures, at CSG we are experts in monitoring the latest threats specific to your sector, from charity organisations to the legal sector, helping you stay one step ahead of cybercriminals.