Our client is looking to bring on a hands-on M&A; Integration Consultant to lead the deal from diligence through post-close integration. This is a high-impact role partnering directly with senior leadership and external advisors (Big 4), with full ownership of the transaction lifecycle.

In this M&A; Integration Consultant role, you will:
Lead buy-side due diligence (financial, operational, commercial)
Act as the internal deal lead across Finance, Legal, Tax, IT & Ops
Identify key risks, deal breakers, and “hidden issues” that could surface post-close
Support deal execution, structuring, and Day 1 readiness
Build and drive the integration plan (Day 1 / 30 / 90+)
Ensure seamless collaboration with external advisors
Proactively flag risks that could impact the business 3–6 months post-close
What we’re looking for:
8–15+ years in Transaction Services (Big 4), PE, or M&A; advisory
Strong buy-side diligence + integration experience
Deep understanding of asset purchase transactions
Proven ability to operate in rapid-paced,



unstructured deal environments
Someone who can “see around corners” and mitigate risk early
Ideal background:
Big 4 FDD / Deal Advisory
Private Equity or portfolio company integration
Experience in operational or tech-enabled environments
Additional Information:
The Mason Group is committed to fostering a diverse, inclusive, and accessible recruitment process. We welcome applicants from all qualified candidates. Accommodations are available upon request for candidates participating in all stages of the recruitment process, in accordance with the Accessibility for Ontarians with Disabilities Act (AODA).
This role is for an immediate vacancy, and we are actively hiring.
Technology-assisted screening tools including AI may be used during the recruitment process; however, all applications are reviewed by our Consultants.

TMGCT

📌 M&A Integration Consultant - 3 months (Ontario)
🏢 The Mason Group
📍 Ontario