# Top 30 property developers in Ontario

Tamtam tracks 30 property developers headquartered in Ontario. This list ranks all of them by number of employees on LinkedIn, led by Mattamy Homes, Oxford Properties Group and Cadillac Fairview. Their median headcount is 445. Half of them were founded in 1988 or later. The most common headquarters are Toronto (14), Mississauga (3) and Markham (2).

This selection of property developers in Ontario includes established firms primarily engaged in real estate, construction, and investment management. Companies like Mattamy Homes, a homebuilder, and Oxford Properties Group, a global real estate investor and developer, are featured. Cadillac Fairview manages office, retail, and residential properties, while Minto Group offers investment, development, and management services. Dream is a real estate asset manager and owner.

A notable pattern among these companies is their long-standing presence, with many founded between the 1950s and 1990s. Several firms, including Oxford Properties Group, Cadillac Fairview, Dream, GWL Realty Advisors, RioCan Real Estate Investment Trust, Tridel, and First Capital REIT, have their headquarters in Toronto, indicating a concentration of the sector in the city.

🇨🇦 Ontario · 30 companies · Updated Nov 12, 2026

| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [Mattamy Homes](https://www.tamtam.ai/c/mattamy-homes) (mattamyhomes.com)<br>A leading homebuilder in North America, helping over 8,000 families achieve home ownership each year across 11 US markets and several Canadian cities | Real Estate | 🇨🇦 Mississauga | 1,961 | 1978 |
| 2 | [Oxford Properties Group](https://www.tamtam.ai/c/oxford-properties-group) (oxfordproperties.com)<br>Global real estate investor, developer, and manager across various property types including office, life science, industrial, retail, living, and hotels. | Real Estate | 🇨🇦 Toronto | 1,627 | 1960 |
| 3 | [Cadillac Fairview](https://www.tamtam.ai/c/cadillac-fairview) (cadillacfairview.com)<br>Ownership and management of office, retail, residential, industrial, and mixed-use properties across North America with significant assets under management. | Real Estate | 🇨🇦 Toronto | 1,479 | 1956 |
| 4 | [Minto Group](https://www.tamtam.ai/c/minto-group) (minto.com)<br>Premier Canadian real estate group offering investment, development, and management services, recognized for sustainable practices and award-winning projects | Real Estate | 🇨🇦 Ottawa | 975 | 1955 |
| 5 | [Dream](https://www.tamtam.ai/c/dream) (dream.ca)<br>Real estate asset manager, owner, and developer with over $23 billion in assets under management, revolutionizing the way people live and work | Real Estate | 🇨🇦 Toronto | 903 | 1994 |
| 6 | [Giampaolo Group Inc.](https://www.tamtam.ai/c/giampaolo-group-inc)<br>Fully integrated metal management company with operations in metal recycling, steel processing, aluminum production, real estate development, and charitable fundraising events for various causes | Mining | 🇨🇦 Brampton | 829 | 1975 |
| 7 | [GWL Realty Advisors](https://www.tamtam.ai/c/gwl-realty-advisors) (gwlrealtyadvisors.com)<br>Leading real estate investment advisor offering asset management, property management, development, and advisory services to institutional clients across Canada. | Investment Management | 🇨🇦 Toronto | 707 |  |
| 8 | [Skyline Group of Companies](https://www.tamtam.ai/c/skyline-group-of-companies) (skylinegroupofcompanies.ca)<br>Fully integrated asset acquisition, management, and development entity with services in real estate and clean energy management Renowned for providing safe, comfortable spaces | Real Estate | 🇨🇦 Guelph | 633 | 1999 |
| 9 | [Empire Homes](https://www.tamtam.ai/c/empire-homes) (empirehomes.com)<br>A leading privately-held home builder with over 27 years of experience, offering new homes and condos in prime locations with exceptional customer care | Real Estate | 🇨🇦 Vaughan | 584 |  |
| 10 | [RioCan Real Estate Investment Trust](https://www.tamtam.ai/c/riocan-real-estate-investment-trust) (riocan.com)<br>A leading Canadian real estate investment trust that owns, manages, and develops retail-focused properties in high-density areas for shopping, living, and working | Real Estate | 🇨🇦 Toronto | 582 | 1993 |
| 11 | [DASS](https://www.tamtam.ai/c/dass-mississauga) (dass.ca)<br>Enhancing value of Retail, Industrial, and Hospitality properties through strategic renovations, repositioning, construction, improved operations, and capital planning for dedicated client service | Wholesale Building Materials | 🇨🇦 Mississauga | 521 | 1986 |
| 12 | [Amico Affiliates](https://www.tamtam.ai/c/amico-affiliates) (amico.build)<br>A company specializing in land development and construction services in Ontario with a dedicated team of professionals for successful project delivery | Construction | 🇨🇦 Windsor | 512 | 1987 |
| 13 | [Tridel](https://www.tamtam.ai/c/tridel) (tridel.com)<br>Leader in Toronto's condominium living with 90 years of expertise, delivering over 90,000 homes Offers new condo homes, high-rise, townhomes, and lofts Built Green | Construction | 🇨🇦 Toronto | 512 | 1934 |
| 14 | [Activa](https://www.tamtam.ai/c/activa) (activa.ca)<br>Activa develops land, builds homes, and creates communities that prioritize people and innovation in the Region of Waterloo and Southern Ontario | Real Estate | 🇨🇦 Waterloo | 447 | 1988 |
| 15 | [First Capital REIT](https://www.tamtam.ai/c/first-capital-reit) (fcr.ca)<br>The company owns, operates, and develops grocery anchored open air centres in neighborhoods with strong demographics, creating thriving properties for businesses, investors, and communities | Real Estate | 🇨🇦 Toronto | 445 |  |
| 16 | [Starlight Investments](https://www.tamtam.ai/c/starlight-investments) (starlightinvest.com)<br>A global real estate investment firm with CAD $28B AUM, owning, developing, and managing multi-residential and commercial properties with impact-driven strategies | Real Estate | 🇨🇦 Toronto | 426 | 2011 |
| 17 | [SmartCentres REIT](https://www.tamtam.ai/c/smartcentres-reit) (smartcentres.com)<br>Transforming shopping centres into city centres by developing transit-connected residential and commercial spaces with green areas and community gathering places across Canada | Real Estate | 🇨🇦 Vaughan | 416 |  |
| 18 | [Choice Properties](https://www.tamtam.ai/c/choice-properties) (choicereit.ca)<br>A real estate investment trust focused on owning, operating, and developing high-quality commercial and residential properties to create enduring value for tenants and communities | Real Estate | 🇨🇦 Toronto | 325 | 2013 |
| 19 | [Great Gulf](https://www.tamtam.ai/c/great-gulf) (greatgulf.com)<br>Innovative home builder focusing on design, technology, and experience to create homes with higher resale and rental value | Construction | 🇨🇦 Toronto | 261 | 1975 |
| 20 | [Medallion Corporation](https://www.tamtam.ai/c/medallion-corporation) (medallioncorp.com)<br>A privately held real estate company specializing in high rise residential rentals, commercial properties, single family subdivisions, and developer/constructor projects in Southern Ontario | Real Estate | 🇨🇦 Toronto | 185 | 1997 |
| 21 | [Orlando Corporation](https://www.tamtam.ai/c/orlando-corporation) (orlandocorp.com)<br>A leading Canadian real estate developer and landlord with a diverse portfolio, premium locations, sustainable practices, and a focus on customer satisfaction | Real Estate | 🇨🇦 Mississauga | 185 | 1928 |
| 22 | [CLV GROUP](https://www.tamtam.ai/c/clv-group) (clvgroup.com)<br>A leading player in Real Estate industry offering diverse career opportunities including Property Management, Sales, Marketing, Finance, and Development in key markets | Real Estate | 🇨🇦 Ottawa | 182 | 1969 |
| 23 | [Lankin Investments](https://www.tamtam.ai/c/lankin-investments) (lankin.com)<br>Real estate asset management firm in Ontario with $1 Billion assets under management, specializing in multi-family residential units and development projects Driving investor performance and community impact | Financial Services | 🇨🇦 Woodbridge | 72 | 2007 |
| 24 | [Bluebird Self Storage](https://www.tamtam.ai/c/bluebird-self-storage) (bluebirdstorage.ca)<br>Leading self-storage company in Canada specializing in development, acquisitions, and management with a focus on operations, revenue management, and digital marketing | Warehousing and Storage | 🇨🇦 Toronto | 52 | 2016 |
| 25 | [Montez Corporation](https://www.tamtam.ai/c/montez-corporation) (montezcorp.com)<br>Integrated real estate investment advisor and fund manager, with $7 billion assets under management, focusing on Canada-wide development in various asset classes | Real Estate | 🇨🇦 Toronto | 30 | 2002 |
| 26 | [Dunsire Developments](https://www.tamtam.ai/c/dunsire-developments) (dunsire.com)<br>A company focused on building environmentally responsible communities, with values of integrity, innovation, teamwork, sustainability, and making a positive impact | Construction | 🇨🇦 Hamilton | 26 | 2010 |
| 27 | [Clifton Blake Asset Management Ltd.](https://www.tamtam.ai/c/clifton-blake-asset-management-ltd) (cliftonblake.com)<br>Alternative Asset Manager specializing in real estate investments, acquisitions, mortgage lending, and advisory services for public, private, and institutional clients with integrity and expertise | Real Estate | 🇨🇦 Toronto | 22 | 2005 |
| 28 | [Fortune Group](https://www.tamtam.ai/c/fortune-group) (f18mgmt.com)<br>Global real estate investment fund specializing in development, financial services, and asset management Focus on residential, commercial, and industrial projects in Asia and North America | Leasing Non-residential Real Estate | 🇨🇦 Markham | 11 |  |
| 29 | [Wyview Group](https://www.tamtam.ai/c/wyview-group) (wyviewgroup.com)<br>Innovative company focuses on visionary design and technology in building construction, prioritizing sustainability, community needs, and economic feasibility | Construction | 🇨🇦 Markham | 10 | 2013 |
| 30 | [Coughlan Homes](https://www.tamtam.ai/c/coughlan-homes) (coughlanhomes.com)<br>A real estate development company with a history of building quality homes, golf courses, and commercial properties while focusing on innovation and employee appreciation | Construction | 🇨🇦 Ajax | 9 | 1958 |

## How this list is built

Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.

## More company lists in Ontario

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## The same list elsewhere in Canada

- [Property developers in Canada](https://www.tamtam.ai/l/property-developers-canada) (60)

## The same list elsewhere

- [Property developers in the world](https://www.tamtam.ai/l/property-developers-in-the-world) (3,244)
- [Property developers in North America](https://www.tamtam.ai/l/property-developers-in-north-america) (735)

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Source: https://www.tamtam.ai/l/property-developers-ontario