Established 1969

Simplifying Technology
for Canadian Business.

For over 55 years, D.E. Systems has been the technology partner that Canadian organizations rely on when reliability matters. From a single laptop rental to a national conference platform, we deliver solutions that just work.

Who We Are

One Partner for Every Technology Need.

D.E. Systems Ltd. is a Canadian technology company headquartered in Ottawa, Ontario, with offices in Mississauga serving the Greater Toronto Area. We provide event management technology, managed IT and network services, and technology equipment rentals to businesses, associations, governments, and institutions across Ontario, Quebec, and beyond.

What sets us apart isn't just our longevity — it's the continuity of relationships. Many of our clients have worked with us for decades. We know their names, their events, their infrastructure. That's not something you can replicate with a new vendor.

1969
Year Founded
55+
Years in Business
2
Ontario Locations
3
Core Service Lines

Our History

Over Five Decades of Canadian Technology.

D.E. Systems has grown steadily since its founding, expanding its services to meet the evolving needs of Canadian businesses. Each milestone reflects a deliberate choice to go deeper, not just broader.

1969
D.E. Systems Founded
Established in Ottawa, Ontario, with a mandate to simplify technology for Canadian organizations.
1985
Technology Rental Division Launched
D.E. Systems begins providing computer and technology equipment rentals throughout Ontario and Quebec, growing one of Canada's largest rental inventories.
Early 2000s
myConferenceSuite Platform Developed
We develop and launch myConferenceSuite — a cloud-based event registration and management platform built to serve Canadian associations and corporations.
2010s
IT Services & Global Reach Expansion
Our rental division extends its reach to serve clients internationally, and IT & Network Services expands to serve SMBs across Ontario.
2020s
Mississauga Office Opens & AI Services Added
We open our Mississauga branch to better serve the Greater Toronto Area. AI business integration is added to our IT services portfolio.
Today
55+ Years Strong
Serving clients across Ontario and Quebec from our Ottawa and Mississauga offices — with the same commitment to reliable, responsive technology service we've held since 1969.

Our Values

What We Stand For

Reliability Above All

We understand that our clients' technology must work — not almost always, but always. We build our systems, processes, and support structures around that standard.

Real People, Real Service

Our clients work with people, not portals. When something goes wrong, you call us and a person answers. That's a choice we make deliberately.

Proactive, Not Reactive

We monitor, test, and plan ahead — so our clients rarely experience the crises that reactive vendors scramble to fix.

Canadian-Rooted, Globally Connected

We're proudly Canadian, with deep roots in Ottawa and Toronto. Our global partner network connects us to 40+ partners when your needs extend beyond our borders.

Our Offices

Two Locations. One Team.

Ottawa
Head Office

2212 Gladwin Crescent, Unit C6
Ottawa, Ontario K1B 5N1

Get Directions →
Mississauga
Toronto / GTA Office

215 Traders Blvd. East, Unit 5
Mississauga, Ontario L4Z 3K5

Get Directions →

Our People

The Team Behind D.E. Systems

The D.E. Systems team gathered together at a company holiday dinner
The D.E. Systems team celebrating together at our annual holiday dinner.

Let's Work Together

Ready to Experience the D.E. Systems Difference?

Book a 30-minute call and tell us what you're working on. We'll show you exactly how we can help.