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.