MNP Expands Eastern Ontario Footprint with Two Strategic Mergers…

Event summary

MNP merges with two Eastern Ontario firms, adding 25 partners and 200 team members effective September 21, 2026.
New locations include Ottawa, Gatineau, and rural Eastern Ontario offices (Carleton Place, Cobden, Kemptville, Morrisburg, Pembroke, Winchester).
Combined presence brings MNP to over 700 partners and team members in the region.
MNP has been expanding in Eastern Ontario since 2014 through multiple mergers.

The big picture

MNP's latest mergers solidify its position as one of the largest professional services firms in Eastern Ontario, aligning with its strategic focus on key growth markets. The move reflects a broader industry trend of consolidation among accounting and advisory firms seeking to strengthen regional footprints and service offerings. With over 150 locations across Canada, MNP continues to expand its national scope while maintaining a local focus, particularly in sectors like agriculture where it holds a leadership position.

What we're watching

Regional Dominance: How MNP's expanded presence will affect competition in Eastern Ontario's professional services market.
Integration Challenges: Whether MNP can successfully integrate the new teams while maintaining their entrepreneurial culture.
Agriculture Focus: The pace at which MNP can leverage its agriculture expertise to drive growth in rural Eastern Ontario.