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

Solid buy-side diligence + integration experience

Deep understanding of asset purchase transactions

Proven ability to operate in fast-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 (Mississauga)
🏢 The Mason Group
📍 Mississauga