Stantec Acquires Barton Willmore to Deepen UK Planning and Design Capabilities

Stantec Acquires Hydrock, UK Integrated Engineering Design Firm

April 30, 2024

Engineering Services

Stantec has acquired Hydrock, a 950-person integrated engineering design firm headquartered in Bristol, England; the transaction closed on April 30, 2024, and terms were not disclosed. The acquisition increases Stantec's UK workforce by over 30%, broadening its capabilities in fire safety, energy and sustainability, civil and structural, MEP, transport, environmental, and geotechnical services to support low-carbon and infrastructure projects.

Stantec Acquires Page

April 3, 2025

Engineering Services

Stantec has signed a definitive agreement to acquire Page, a 1,400-person architecture and engineering firm headquartered in Washington, DC. The acquisition will expand Stantec's US Buildings practice (roughly +35% in the US), deepen capabilities in advanced manufacturing, data centers, healthcare and cleanroom design, and positions Stantec as the second-largest architecture firm in the United States; terms were not disclosed and the deal is subject to regulatory approvals.

Stantec Acquires Morrison Hershfield

January 9, 2024

Engineering Services

Stantec has signed an agreement to acquire Morrison Hershfield, a 1,150-person engineering and management firm headquartered in Markham, Ontario. The deal, structured as a court-approved plan of arrangement and subject to shareholder and regulatory approvals, expands Stantec's presence and capabilities across Canadian markets and strengthens its buildings, transportation, and environmental services offerings.

Stonbury Acquires Panton McLeod

March 22, 2024

Environmental Services

Stonbury, the LDC‑backed water and environment sustainability specialist, has acquired Panton McLeod, an advanced inspection and cleaning specialist for public, commercial and industrial water assets. The 50‑employee Panton McLeod will be integrated into Stonbury’s operations (joining ~350 staff) to broaden Stonbury’s capability set and strengthen its position serving UK water companies and environment agencies.

Stantec Acquires Ryan Hanley

April 8, 2025

Engineering Services

Stantec has acquired Ryan Hanley, an Irish engineering and environmental consultancy with approximately 150 employees and offices across Ireland. The acquisition strengthens Stantec's presence in Ireland and adds local water, wastewater, structural, and environmental expertise to support projects for local authorities, utilities and government clients.

Stratus Acquires Stewart to Expand Multidisciplinary Design Capabilities

January 28, 2026

Engineering Services

Stratus Team, LLC has acquired Stewart, a Raleigh-based multidisciplinary engineering, planning, landscape architecture, surveying, and design firm. The acquisition expands Stratus' structural engineering and landscape architecture capabilities and strengthens its footprint across the Carolinas and the broader Southeast.