Complete managed IT solutions.

Based in Mallusk, Northern Ireland, Stem Systems are a versatile managed IT services provider, delivering a complete portfolio of IT solutions to the private and public sector for almost 20 years.

We operate in all sectors of the SME market, with many customers still on board with us since the company’s foundation.

implementing secure, scalable IT.

Utilising the Microsoft cloud our services are designed around security, scalability and high availability.

We work with a select range of hardware vendors, software houses and cloud providers in our delivery.

The ‘complete’ approach sees us implement and support every layer of technology in the majority of our customer sites –

:: website hosting and DNS management
:: email filtering
:: firewall management
:: network infrastructure and managed WiFi
:: VOIP communications based on 3CX and Microsoft Teams
:: IT hardware provisioning
:: software licensing
:: security and compliance
:: Microsoft .NET software development
:: ongoing IT consultancy and migration planning

This is wrapped up with our pro-active monitoring and managed support offerings.

Our client base encompasses NI health trusts, UK- and EU-based PLC’s along with recognised names in hospitality, legal, medical, accountancy, manufacturing, dental, construction, haulage and retail sectors.