Get to know us

Services and history

ATC was founded by David Dunnem, an experienced tech consultant with a passion for driving business success through strategic IT solutions, we are committed to empowering organizations to thrive in the digital age.

David brings over 25 years of experience in the tech industry, with a proven track record of delivering value-added solutions to clients across various sectors. With a keen understanding of the ever-evolving technology landscape and a commitment to staying ahead of the curve, David leads our team of skilled professionals in providing tailored IT consulting services to meet the unique needs of each client.

At ATC we specialize in cybersecurity solutions, cloud migration and management, data analytics and business intelligence, IT infrastructure optimization, and digital transformation consulting. Our mission is to partner with businesses of all sizes to navigate the complexities of technology, unlock new opportunities, and drive sustainable growth.

Backed by a dedication to excellence, integrity, and customer satisfaction, we go above and beyond to deliver results that exceed expectations. Whether you're looking to fortify your cybersecurity defenses, harness the power of data analytics, or embark on a digital transformation journey, we're here to help you succeed.

People and culture

Our people are what make us unique. Capitalizing on a large Ontario-based network of consultants both technical and non-technical affords us the opportunity to build custom solutions that work. Oh, and we enjoy what we do.

David Dunnem

Founder / Senior Consultant

Lianne Kiarney

Data Analytics and Data Engineering

Jacob Shantz

Senior systems engineer/ Cloud guru