Dillon Consulting

Dillon Consulting

Professional planning, engineering, environmental management consulting

Overview

Dillon Consulting is a Canadian, employee-owned professional consultancy with over 1,100 staff offering planning, engineering, environmental science and management services for complex projects. It works by bringing together multidisciplinary teams to partner with clients and deliver integrated, practical solutions from planning through design and implementation, using a collaborative approach to address multifaceted challenges. The company differentiates itself through its employee-owned structure, strong Canadian focus, and in-house multidisciplinary capabilities that prioritize collaboration and tailored, hands-on problem solving for each project. Dillon’s goal is to help clients successfully navigate complex regulatory, environmental and community considerations by delivering concrete, well-supported solutions that meet project objectives.

About Dillon Consulting

Simplify's Rating
Why Dillon Consulting is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Toronto, Canada

Founded

1946

Get referred to Dillon Consulting

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • August 12, 2026 DNA partnership expands Dillon Architecture into Western Canada.
  • June 15, 2026 Peterborough County transit study shows active municipal demand.
  • AXL partnership positions Dillon to commercialize AI consulting workflows before 2027 competitors.

What critics are saying

  • DNA still operates separately, so integration gains depend on execution through 2027.
  • AXL, Gilytics, and peers can commoditize Dillon’s workflows if pilots stall.
  • A failed acquisition culture fit could erode employee ownership trust and trigger senior departures.

What makes Dillon Consulting unique

  • Dillon is 100% employee-owned, with over 25 Canadian offices and 1,100 employees.
  • Its 2025 FBM and 2026 DNA partnerships build a coast-to-coast architecture platform.
  • Dillon combines planning, engineering, environmental science, and architecture under one national consulting brand.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Employee Share Purchase Plan

Flexible Work Hours

Hybrid Work Options

Health Insurance

401(k) Retirement Plan

401(k) Company Match

Gym Membership

Wellness Program

Professional Development Budget

Student Loan Assistance

Company News

Financial Post
Aug 12th, 2026
David Nairne + Associates Ltd. joins Dillon Consulting Limited.

David Nairne + Associates Ltd. joins Dillon Consulting Limited. Business Wire Published Aug 12, 2026 Article content TORONTO - Dillon Consulting Limited (Dillon) is pleased to announce that it has entered into a Partnership with David Nairne + Associates Ltd. (DNA). Article content DNA is an award-winning multidisciplinary consulting firm providing planning, architecture, civil and structural engineering, and project management services that has been in practice since 1972. Dillon is an award-winning engineering, planning, management, and environmental science firm that was founded in London, Ontario in 1946. These two proudly Canadian, employee-owned firms are excited to join forces to support the needs of clients from coast to coast to coast. Article content Advertisement 1 Story continues below Article content DNA is highly recognized across the West Coast and Northern Canada for its deep, meaningful relationships with Indigenous communities and leaders, as well as its work with municipalities, non-profit organizations and federal, provincial, and territorial governments. The DNA team includes architects, engineers, and planners who approach every project with the mindset of community builders, combining their expertise to improve quality of life and infrastructure. DNA will continue to operate separately from Dillon Consulting Limited as David Nairne + Associates Ltd. Article content Top Stories Interested in more newsletters? Browse here. Article content "We are excited to partner with the incredible team at DNA," commented Sean Hanlon, CEO and President, Dillon. "When we looked at DNA, we saw a firm that genuinely shares our passion for nation-building and community improvement projects. We deeply respect the 50-year legacy of trust and loyalty DNA has built, and together we will continue to live our shared mission to elevate value every day for our clients." Article content "I'm deeply honoured for the opportunity to build on the legacy established by my father, David Nairne, and Fereydoun Dabiri," commented Kathryn Nairne. "Their leadership, vision, and commitment have laid an exceptional foundation, and I'm excited to help carry that legacy forward while shaping the next generation of our success." Article content "I am very pleased that we are now part of Dillon Consulting. Dillon is a proudly Canadian, 100% employee-owned, professional consulting firm. And they are a perfect fit," commented Andy Mill, DNA President and COO. "Dillon is sincere, human, employee-centric, honest, kind and capable. I believe they share our DNA and that together great things will be accomplished." Article content Following Dillon's March 2025 Partnership with Atlantic Canada's FBM Architecture Ltd. (FBM), the alliance with DNA represents the western expansion of Dillon's architectural subsidiary, Dillon Architecture Limited (DAL). With FBM anchoring the practice on the East Coast and DNA driving capabilities in the West, DAL is positioned to provide a connected, coast-to-coast presence that dissolves traditional boundaries and delivers premier architectural design backed by Dillon's full suite of multidisciplinary consulting services. Article content About Dillon Consulting Limited Article content Founded in 1946, Dillon is an established, Canadian, employee-owned professional consulting firm specializing in planning, management, engineering, and environmental science. With over 25 offices and more than 1,100 employees across Canada, Dillon offers a wide range of services related to building and improving facilities and infrastructure, protecting the environment, and developing communities. www.dillon.caAbout David Nairne + Associates Ltd. DNA is an award-winning multidisciplinary consulting firm providing planning, architecture, civil and structural engineering, and project management services. With a team of over 50 dedicated employees, DNA has spent over 50 years successfully completing projects throughout British Columbia, Yukon, the Northwest Territories, Manitoba, and Alaska. The firm is founded on long-term, trusting relationships and a commitment to creating sustainable communities. www.davidnairne.com Article content View source version on businesswire.com: Article content All media inquiries: Karl Makuch [email protected] 519.852.7047 Article content Advertisement 1

City of Owen Sound
Jul 30th, 2026
Guelph Owen Sound Transportation (GOST) service to continue through December 2026.

Guelph Owen Sound Transportation (GOST) service to continue through December 2026. Residents and visitors can continue to rely on regional transit connections throughout Grey, Bruce, Wellington, and Dufferin Counties, with both Guelph Owen Sound Transportation (GOST) and Grey Transit Route (GTR) 2 confirmed to operate through December 31, 2026. Funding required for 2027 operations will be included in the annual budget for Grey County Council consideration. GOST provides public transportation between Owen Sound and Guelph, with stops in Chatsworth, Williamsford, Durham, Mount Forest, Arthur, Fergus, and Elora. The service offers an affordable and convenient option for commuters, students, visitors, and residents travelling throughout the region. From the Owen Sound Transit Terminal, GOST departures are available daily at 7:30 a.m. and 2:30 p.m. The service operates seven days a week, including statutory holidays, with the exception of Christmas Day. Passengers can also connect with additional transit services in Owen Sound and Guelph to continue travelling beyond the GOST route, expanding access to employment, education, healthcare, recreation, and other destinations across the region. To support active transportation, GOST buses are equipped with a bike carrier that can accommodate up to two bicycles. The carrier is available at no additional cost on a first-come, first-served basis until late fall. Bike carrier spaces cannot be reserved in advance. The service extension coincides with ongoing work on a regional transit study involving the Counties of Bruce, Dufferin, Grey, and Wellington, along with Saugeen Mobility and Regional Transit (SMART). The partners are working with Dillon Consulting to develop a draft unified regional transit plan that will help guide future transit services across the region. As part of this work, interim bus service is being expanded while the regional study continues. Dillon Consulting is expected to present a draft regional transit plan to participating councils and the SMART Board this fall, with final decisions regarding a long-term regional transit model anticipated in 2027. Residents interested in learning more about routes, schedules, fares, and transit connections are encouraged to visit the transit service websites or contact Owen Sound Transit. About GOST Guelph Owen Sound Transportation (GOST) is a regional transit service connecting Owen Sound and Guelph, with stops in Chatsworth, Williamsford, Durham, Mount Forest, Arthur, Fergus, and Elora. About GTR 2 Grey Transit Route (GTR) 2 provides public transportation connections between Dundalk, Orangeville, and surrounding communities, supporting regional mobility and transit accessibility. Quick Links: * For all regional transit information, visit the Grey County webpage. Contact Us 808 2nd Avenue East, Owen Sound, ON N4K 2H4 Phone: 519-376-1440 Email Owen Sound

Cavan Monaghan Township
Jun 15th, 2026
Peterborough County transit feasibility Study.

Peterborough County transit feasibility Study. In Partnership with Community Care - Jun 15, 2026 Community Care and Peterborough County have partnered with Dillon Consulting to conduct a Public Transit Study. They are seeking your input! The project team has launched a community survey to better understand the needs and opportunities for expanded public transit within its community. This brief survey will help Cavanmonaghan understand what solutions are best suited to the many areas of the county, and how transit can support its residents' travel. Please fill out the survey at this link before July 10, 2026. https://www.surveymonkey.com/r/RBFYDLC This is a drop-in style event with no formal presentation, meaning you can visit, review the project information, and discuss your thoughts with the project team at any point during the open house. This is your chance to: * View information boards outlining public transit options * Speak directly with the project team * Provide feedback on the key travel destinations that matter most to you Contact Us Cavan Monaghan Municipal Office, 988 County Rd 10 Millbrook ON L0A 1G0, Municipal Office hours: Monday to Friday, 8:30 a.m. to 4:30 p.m. (excluding holidays).

Malahat Nation
Apr 8th, 2026
Watershed Governance Framework - complete!

Watershed Governance Framework - complete! Carmen Pavlov April 8, 2026 Malahat Nation Lands and Environment department is pleased to announce the completion of the Watershed Governance Framework project! Malahat Nation Lands and Environment department worked alongside Dillon Consultants to create a Watershed Governance Framework. The Malahat Benchlands and Shawnigan Creek watersheds face pressures including population growth, unsustainable extraction from water bodies, overdevelopment, infrastructure deficits and issues, agriculture, forestry, and mining uses, and pollution. Through investigating governance models that are culturally appropriate and sustainable, Lands and Environment worked to develop a framework that helps guide the protection and restoration of Malahat's watersheds. Guiding principles that influenced this document include: long-term benefit to the Nation, respect for culture and customs, innovation, preservation and protection, ecosystem-based management, sustainability, cooperative relationships, self-sufficiency, and opportunities for Malahat members. For any questions about this or other works, please reach out to us at: [email protected], (250)-743-3231 ext. 4, or come visit the office at 7 Kwunew Kwasun Lane (downstairs) anytime between 9am-4pm! huy tseep q'u!

The Montreal Gazette
Sep 16th, 2025
AXL Partners With Dillon Consulting Limited to Accelerate Applied AI in Engineering-Consulting Workflows

AXL partners with Dillon Consulting Limited to accelerate applied AI in engineering-consulting workflows.

Recently Posted Jobs

Sign up to get curated job recommendations

Dillon Consulting is Hiring for 89 Jobs on Simplify!

Find jobs on Simplify and start your career today

Don't see your dream role? Check out thousands of other roles on Simplify. Browse all jobs →