Modern IT Services

Technology That Lets Your
Business Focus on Business

At D.E. Systems, we believe technology should empower your business — not slow it down. For more than 3 decades, we've helped organizations across Ontario and Quebec build secure, reliable, and scalable IT environments. We become an extension of your business — not just another vendor.

30+
Years delivering IT solutions in Ontario & Quebec
24/7
Proactive monitoring and support coverage
11+
Industries served across Ontario and Quebec
Ottawa &
Toronto
Two locations. Local experts on the ground.
24/7 Monitoring Cybersecurity Protection Microsoft 365 Management Cloud Solutions Data Backup & Recovery Network Security Remote & Onsite Support AI Business Integration

IT Services Offered by D.E. Systems

Core Service

Managed IT Services

Technology shouldn't be unpredictable. Our Managed IT Services provide complete monitoring, maintenance, patch management, and support for your desktops, servers, cloud infrastructure, and network devices — all under one predictable monthly cost.

Instead of simply fixing problems after they happen, we work to prevent them — keeping your team productive and your systems running without interruption.

Unlimited Help Desk
Remote Support
Onsite Support
Server Management
Microsoft 365 Admin
Server Deployment
User Administration
Patch Management
Hardware Procurement
Warranty Tracking
Vendor Management
Asset Lifecycle Mgmt
Get a Free IT Assessment

Protection

Cybersecurity Services

Cyber threats evolve every day — and they're no longer limited to large enterprises. Our layered security approach protects your business before problems occur, combining technology, policy, and human awareness to reduce risk at every level.

From endpoint detection to dark web monitoring, we build a security posture that keeps your data, your clients, and your reputation protected.

Our Layered Security Stack

Endpoint Detection & Response (EDR)
Real-time threat detection on every device
Email Security
Phishing, spoofing, and malware filtering
Multi-Factor Authentication
Identity protection across all accounts
DNS Protection & Firewall
Block malicious sites before they load
Security Awareness Training
Turn your team into a security asset
Vulnerability Assessments & Audits
Find gaps before attackers do
Dark Web Monitoring
Alert if your credentials appear online
Incident Response
Rapid containment if a breach occurs
Request a Security Assessment

Cloud & Productivity

Microsoft 365 & Cloud Solutions

Modern businesses rely on cloud technology to stay productive and collaborative. Our Microsoft-certified specialists help organizations migrate, secure, and fully manage Microsoft 365 environments while maximizing the value of your existing licences.

Whether you're moving from on-premises Exchange or building a hybrid infrastructure, we handle every detail so your team can hit the ground running.

Exchange Online
Hosted business email
SharePoint
Document management
Microsoft Teams
Unified communications
OneDrive
Cloud file storage
Azure AD
Identity management
Licence Optimization
Stop overpaying
Cloud Migration
Zero-disruption moves
Hybrid Infrastructure
On-prem + cloud blend
Discuss Your Microsoft 365 Setup

Resilience

Business Continuity & Disaster Recovery

Your data is one of your most valuable assets. A ransomware attack, hardware failure, or accidental deletion can bring your business to a standstill — unless you have a tested recovery plan in place.

We design and manage backup strategies and disaster recovery plans tailored to your recovery time objectives, so you can bounce back from any scenario — fast.

Image Backups
Full system snapshots for rapid bare-metal restore
Cloud Backups
Off-site encrypted copies, automatically tested
Microsoft 365 Backup
Protect email, Teams, and SharePoint data
Disaster Recovery Planning & Testing
Documented, tested recovery procedures
Review Your Backup Strategy
New

AI-Powered Business Solutions

Artificial Intelligence is changing how businesses operate — but adoption without the right governance creates new risks. Our team helps organizations safely adopt AI tools to improve productivity while protecting sensitive information and maintaining compliance.

Whether you're evaluating Microsoft Copilot or exploring workflow automation, we guide you from readiness assessment through full deployment.

AI Policy Development
Microsoft Copilot Readiness
ChatGPT Integration
Workflow Automation
Document Automation
Knowledge Management
AI Security Best Practices
Explore AI for Your Business

Strategy & Advisory

IT Consulting & Virtual CIO (vCIO)

Need guidance before making a technology investment? Our consultants help organizations make informed decisions through strategic planning and technology roadmapping — delivering the expertise of a seasoned CIO without the full-time overhead.

We assess your current environment, identify risks and opportunities, and build a practical IT roadmap aligned with your business goals and budget. For organizations that need ongoing strategic oversight, our Virtual CIO (vCIO) service provides executive-level IT leadership on a flexible, fractional basis.

Infrastructure Assessments
IT Roadmaps
Budget Planning
Network Design
Server Virtualization
Wireless Design
Hardware Refresh Planning
Technology Procurement
Virtual CIO (vCIO)
Book a Strategy Consultation

Who We Work With

Specialists in Your Industry

Our solutions are tailored to the compliance requirements, workflows, and technology demands of your sector — not adapted from a generic template.

Law Firms Accounting Firms Municipal Governments Healthcare Clinics Dental Offices Professional Services Engineering Firms Non-Profit Organizations Construction Companies Manufacturing Small, Medium & Large Business

IT Support for Law Firms

We understand the confidentiality and compliance requirements that govern legal practices. Our managed IT ensures your client data is protected, your systems are always available, and your team can work from anywhere securely.

Talk to us about your firm →

IT Services for Healthcare & Dental

From electronic health records to patient scheduling systems, we help clinics and dental offices maintain PHIPA-aware IT environments that are reliable, secure, and always operational when patients need you.

Talk to us about your clinic →

Managed IT for Municipalities

Municipal technology infrastructure requires reliability above all else. We serve local governments across Ontario with proactive managed IT, secure network design, and strategic IT planning aligned with public-sector budgets.

Talk to us about your municipality →

Our Promise

Technology Should Never Keep Your Business from Succeeding.

At D.E. Systems, we provide proactive support, responsive service, and strategic guidance that keeps your systems secure, your employees productive, and your business moving forward.

Our goal is simple: maximize productivity while protecting your business from today's evolving technology threats.

Your technology. Protected. Optimized. Ready for tomorrow.