Business Details
22 Years
experience
Your Trusted Partner for IT Solutions in Mallusk
Stem Systems is a pioneering IT managed services provider based in Mallusk, Northern Ireland. With over two decades of experience, we specialise in delivering secure, scalable, and seamless technology solutions tailored to diverse industry sectors. Our approach focuses on eliminating single points of failure in IT networks, enabling businesses to operate resiliently and efficiently in a cloud-first environment. We combine extensive expertise in legacy systems with cutting-edge cloud technologies to design solutions that prioritise security, reliability, and low support footprints. Our services span managed IT, cybersecurity, software development, and business continuity, supported by a team of experienced engineers committed to proactive, monitored IT coverage.We serve public and private sector clients across the UK and Ireland, including recognisable names in healthcare, legal, manufacturing, and accountancy. Our proven track record includes successful migrations to Microsoft Azure, implementation of ISO 27001-compliant security frameworks, and development of bespoke applications that integrate seamlessly with third-party systems. We prioritise transparency, offering real-time visibility into our network management processes to ensure client confidence. Our clients consistently highlight our ability to deliver complex projects without downtime, resolve long-standing IT issues, and provide dependable support that extends beyond initial engagements.
Services
Managed IT Services
Cyber Security
Software Development
Business Continuity
Voice Solutions
Cloud Migration
Backup & Disaster Recovery
Infrastructure & WiFi
Azure Virtual Desktop
Microsoft 365 Integration
Details
- Year established: 2004
Highlights and features
- We offer 20 years of experience in managed IT services and cloud migration.
- Our engineer-led approach prioritises solutions with low support footprints.
- We design systems with security and recovery as foundational elements.
- We guarantee no downtime during critical IT infrastructure migrations.
- Our proactive monitoring prevents issues before they impact operations.
Associations and certifications
- ISO 27001
What people say
Trusted IT partner for years
No downtime during migration
Exceeded expectations
Seamless integration
Dependable support
Services
Managed IT Services
We provide proactive, monitored IT network coverage supported by experienced engineers. Our services include subscription management, patch updates, and responsive support to ensure continuous operations. Clients benefit from reduced support costs and enhanced system functionality through our tailored approach.
Cyber Security
Our layered security approach includes Microsoft 365 monitoring, device encryption, and compliance policies. We implement ISO 27001-compliant frameworks to protect against unauthorised access and cyber threats. Our SOC provides 10-minute response times for detected breaches, ensuring data integrity and regulatory compliance.
Software Development
We create bespoke applications using .NET and Azure technologies to meet specific business needs. Our solutions integrate with existing systems and third-party platforms, enhancing productivity through automated workflows. Clients receive ongoing support and updates throughout the software lifecycle.
Business Continuity
We identify and eliminate single points of failure in IT infrastructure. Our solutions ensure uninterrupted operations through cloud-based redundancy and hybrid working capabilities. Services include high-availability network design and data recovery strategies with four daily backups to third-party storage.
Voice Solutions
Our 3CX-based voice systems offer scalable cloud telephony with mobile integration. Features include call queuing, auto-attendants, and CRM integration. Deployed on Microsoft Azure, these solutions eliminate on-premise hardware while enabling secure remote communication across devices.
People
Stephen
Founder
Stephen founded Stem Systems in 2004, combining expertise in legacy systems, cloud migration, and automation. With over two decades in IT services, he leads the company's strategic direction, focusing on engineer-led solutions that prioritise security and operational efficiency.
Questions
What industries do Stem Systems support?
We serve accountancy, healthcare, legal, manufacturing, transport, and construction sectors across the UK and Ireland.
How does Stem Systems ensure data security?
We implement ISO 27001-compliant frameworks with layered security, including device encryption, compliance policies, and 24/7 SOC monitoring.
Can you migrate existing systems to the cloud?
Yes, we specialise in Azure migrations with zero downtime, as demonstrated by successful projects for law firms and accounting practices.
Do you offer custom software development?
We create bespoke applications using Microsoft technologies, integrating with existing ERP systems and third-party platforms.
How do you handle business continuity?
We design networks without single points of failure and provide four daily data backups to secure offsite locations.
What support options are available?
Our 24/7 SOC responds to breaches within 10 minutes, and we offer proactive monitoring with real-time visibility into network operations.