Overview

Circle of Fifths Advisory was founded in Toronto by a team of senior practitioners who saw a persistent gap in the market: businesses in complex, high-stakes industries needed advisory partners who had actually worked inside those industries — not consultants reading from a playbook.

Our founders bring decades of hands-on experience across Architecture, Engineering and Construction (AEC), Oil & Gas, Power, Infrastructure, Services, and Facility Management. Together, they have negotiated over USD 1.5 billion in contracts, managed programs across 21 countries, and guided organizations through AI transformations, M&A transactions, and large-scale operational change.

We are boutique by design — which means every client engagement is led by senior professionals, not delegated to junior staff. You get direct access to experience, judgment, and accountability at every stage.

Our mission is straightforward: help businesses in complex industries make better decisions, protect their interests, and achieve measurable outcomes — faster and with greater confidence than they could alone.

We believe great advisory work is defined not by the size of the report delivered, but by the quality of the result achieved. Every engagement we take on is measured against one question: did our client win?

We work across Canada and internationally, bringing global perspective and local accountability to every mandate.

Senior Practitioners, Not Junior Analysts: Every engagement is led by professionals with 15–25+ years of industry experience. Your file is never handed off. 

Industry-Specific Depth: We don't consult across every industry. We go deep in the ones we know — AEC, Oil & Gas, Infrastructure, Services, and Facility Management — which means faster diagnosis and sharper solutions. 

Boutique Agility: No bloated teams, no bureaucracy. We move quickly, adapt to your timeline, and give you direct access to decision-making partners throughout.