Top 100 Advertising Agencies in Ontario
The Best of October 2026Looking for a top advertising agency in Ontario?
Businesses looking to develop a relationship with media outlets should consider working with an advertising agency. Beyond increasing visibility, top agencies are a gateway to a variety of crucial resources, including researchers, designers, SEO/PPC experts, and social media managers.
To assist you in your search for a partner, we’ve compiled this list of the top advertising and marketing companies in Ontario. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Ontario Ad and Marketing Companies
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61$1,000+2 - 9 employeesMississauga, CanadaRead More
Law Firm Marketing Canada is a marketing agency based in Mississauga, Canada with fewer than 10 experts. Founded in 2017, they specialize in advertising, branding, and PR solutions for clients in the field of legal services.
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62$1,000+2 - 9 employeesMississauga, CanadaRead More
Astromic is a digital advertising agency headquartered in Mississauga, Canada. Their team of approximately 4 employees provides branding, digital strategy, and SEO in addition to more traditional advertising. Their branding focus includes but isn't limited to corporate identity, brand messaging, and naming.
Clients
Fashion Nova -
63$1,000+50 - 249 employeesToronto, CanadaFounded in 2008, GlobeSign is a midsize web design company. Their services include Web Design, UX/UI Design, Branding, Social Media Marketing, and more. The agency is located in Toronto, Canada and San Francisco, California.Read More
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AR pest Control Ace Q Bank Fizazzle Barndo CanadaIndustries
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64$1,000+2 - 9 employeesOakville, CanadaRead More
Look Digital Marketing is a full-service digital marketing agency headquartered in Oakville, Canada, and founded in 2014. Their team of nearly 5 employees caters mostly to small businesses, offering an array of services with the most prominent being web design, advertising, digital strategy, social media marketing, and more.
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Union Chicken -
65$1,000+2 - 9 employeesNew Tecumseth, CanadaLaunched in 2019, Ascenda Brand Marketing, a small branding company, is headquartered in New Tecumseth, Canada. Their team specializes in Branding and Marketing Strategy.Read More
Clients
BentallGreenOakIndustries
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66$5,000+10 - 49 employeesToronto, CanadaSocial Signals Marketing is a Halifax, Canada-based social media marketing company. They specialize in Social Media Marketing, Content Marketing, Video Marketing, Web Design, and more and were launched in 2023.Read More
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67$10,000+2 - 9 employeesOakville, CanadaRead More
Thirdperson.ca is a creative team comprised of freelancers Jamie Way and Susan Elsley. Based in Toronto, they have provided small businesses with their video production, business advertising, and corporate photography needs since 2012. They work with industries such as consumer products & services, advertising & marketing, and education.
Clients
Sheridan CollegeIndustries
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68$5,000+2 - 9 employeesToronto, CanadaRead More
Neumarkets is a SEO company. The small team is headquartered in Toronto, Canada. Their services include search engine optimization, web design, advertising, ux/ui design, and more.
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69Undisclosed2 - 9 employeesSt. Catharines, CanadaRead More
Social media marketing firm KREATURE Web Design is in St. Catharines, Canada. The agency offers social media marketing, web design, advertising, search engine optimization, and more and is small.The agency was launched in 2016.
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70$5,000+50 - 249 employeesToronto, CanadaThe Influence Agency is an Advertising company located in Toronto, Canada. Established in 2017, the midsize team focuses on Advertising, Digital Strategy, Social Media Marketing, Web Design, and more.Read More
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71$10,000+10 - 49 employeesToronto, CanadaRead More
Marshall Fenn Communications is a marketing communications agency that was founded in 1954. Based in Toronto, its team of 32 specializes in digital and marketing strategy, advertising, direct marketing and more for primarily enterprise-level clients.
Clients
ScotiabankIndustries
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72$5,000+2 - 9 employeesGuelph, CanadaHeadquartered in Guelph, Canada and Woodstock, Canada, 2H Media is a Marketing Strategy company. They offer Marketing Strategy and Advertising and were established in 2017.Read More
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73$1,000+10 - 49 employeesKitchener, CanadaREM Web Solutions Inc. Is a Content Marketing company located in Kitchener, Canada. The company focuses on Content Marketing, Search Engine Optimization, Web Design, Web Development, and more and has a small team.The company was established in 2001.Read More
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74$250,000+2 - 9 employeesOttawa, CanadaLGG Media is a PPC company. Their small team is located in Ottawa, Canada. Their services include Pay Per Click and Advertising.Read More
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75Undisclosed2 - 9 employeesCambridge, CanadaLaunched in 2017, Masai Marketing is an Advertising company. The small team provides Advertising and Search Engine Optimization.Read More
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76$10,000+10 - 49 employeesToronto, CanadaAdvertising company Barrett and Welsh is located in Toronto, Canada. The small company was established in 2003. Their team provides advertising, branding, marketing strategy, and social media marketing.Read More
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77$5,000+10 - 49 employeesToronto, CanadaIntent is a small Advertising company launched in 2013. Their services include Advertising and Branding.Read More
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78$10,000+2 - 9 employeesToronto, CanadaRead More
Toronto Auto Consulting is an automotive consulting firm of fewer than 10 employees. Founded in 2017, their headquarters is in Toronto, Canada. They offer services in business consulting, marketing strategy and advertising to clients in the automotive industry.
Clients
Automotive DealershipsIndustries
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79$5,000+10 - 49 employeesToronto, CanadaRead More
Based in Toronto, Canada and Johannesburg, South Africa, SearchKings is a small advertising company. Established in 2009, the team offers advertising, pay per click, search engine optimization, and web design.
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80Undisclosed2 - 9 employeesToronto, CanadaRead More
Clutch Marketing is a marketing company founded in 2004 and located in Toronto. With a team of fewer than 10 employees, they provide advertising, branding, and web design services.
Clients
Ridout & Maybee LLP -
81$1,000+2 - 9 employeesToronto, CanadaGrand Estate Marketing is a web design agency launched in 2024. They are in Toronto, Canada and have a small team. Their services include Web Design, Web Development, Branding, Search Engine Optimization, and more.Read More
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82$1,000+50 - 249 employeesToronto, CanadaStinson Design is a small branding firm based in Toronto, Canada. Launched in 2009, the team focuses on branding, advertising, and other marketing.Read More
Clients
Microsoft SoftBank Amazon CrowdStrikeIndustries
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83$5,000+2 - 9 employeesMississauga, CanadaOneblueshirt is a branding firm established in 2014. The team focuses on Branding and Advertising and is based in Mississauga, Canada.Read More
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84Undisclosed2 - 9 employeesToronto, CanadaFRC Marketing is an Advertising company. The Toronto, Canada-based team focuses on Advertising and Branding.Read More
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85$1,000+2 - 9 employeesAjax, CanadaEstablished in 2025, Calibre Commerce is a small Ecommerce Marketing company. Their team specializes in Ecommerce Marketing, Advertising, and Marketing Strategy. The agency is located in Ajax, Canada.Read More
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86$1,000+10 - 49 employeesOttawa, CanadaDuco Media & Technology Solutions, an Advertising company, is headquartered in Ottawa, Canada. The team focuses on Advertising and Media Planning & Buying.Read More
Clients
Government of Ontario Ontario Cannabis Store (OCS) Information and Communications Technology Council (ICTC) NokiaIndustries
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87$10,000+10 - 49 employeesToronto, CanadaBlackJet is an Advertising company. They are headquartered in Toronto, Canada, and their services include Advertising and Branding.Read More
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88$5,000+10 - 49 employeesToronto, CanadaMPP Marketing Group is a Marketing Strategy company. The Toronto, Canada-based team specializes in Marketing Strategy and Advertising.Read More
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89$10,000+10 - 49 employeesToronto, CanadaDominion Capital & Advisors Limited is a Marketing Strategy company. They are based in Toronto, Canada and have small team of experts. Their services include Marketing Strategy and Direct Marketing.Read More
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90$10,000+10 - 49 employeesMississauga, CanadaMaple Diversity Communications Inc is a Mississauga, Canada-based Advertising company. Founded in 2010, the team provides Advertising and Public Relations.Read More
Industries
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