Top 100 Mobile App Developers in Ontario
The Best of October 2026Looking for a top mobile app development company in Ontario?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in Ontario. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Ontario Mobile App Development Companies
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a custom software development company, is in Irvine, California. Established in 2017, the small team offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more.Read More
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421$1,000+10 - 49 employeesMississauga, CanadaAmmrys Studios, a small social media marketing agency, is located in Mississauga, Canada. Their services include Social Media Marketing and Email Marketing.Read More
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422$1,000+10 - 49 employeesMississauga, CanadaThe IT Cart is a social media marketing agency established in 2024. Their services include Social Media Marketing and Email Marketing.Read More
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423Undisclosed10 - 49 employeesMississauga, CanadaJSiTHub Private Limited, a social media marketing agency, is based in Mississauga, Canada and Mississauga, Canada. The team offers Social Media Marketing and Search Engine Optimization.Read More
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424$1,000+10 - 49 employeesToronto, CanadaLocated in Toronto, Canada, MantraCollab is a branding agency. They offer Branding and Digital Strategy and were launched in 2023.Read More
Industries
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425$1,000+10 - 49 employeesToronto, CanadaHeadquartered in Toronto, Canada and Karachi, Pakistan, YammTech is a web development company. The team provides Web Development and Social Media Marketing.Read More
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426$10,000+10 - 49 employeesMilton, CanadaPython Technologies is a software development company. They focus on Custom Software Development and Artificial Intelligence and were founded in 2022.Read More
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427$5,000+10 - 49 employeesOshawa, CanadaCRM consulting and SI company Red Minstrel Marketing was established in 2022. Headquartered in Oshawa, Canada, their small team provides CRM consulting and SI, Mobile App Development, Social Media Marketing, Pay Per Click, and more.Read More
Clients
Unavu Skillmatrix Data Monetization LabIndustries
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428$5,000+10 - 49 employeesMississauga, CanadaNascenture is a software development firm. The small Sahibzada Ajit Singh Nagar, India-based company was launched in 2013. Their services include Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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429$10,000+2 - 9 employeesToronto, CanadaEther, a Digital Strategy company, is headquartered in Toronto, Canada. They specialize in Digital Strategy and Web Design.Read More
Clients
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430$5,000+2 - 9 employeesWaterloo, CanadaIn Waterloo, Canada, Fluxuous, Inc. Is a custom software development company. Their services include Custom Software Development and Web Development.Read More
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431$1,000+2 - 9 employeesMississauga, CanadaRainMaker Digital Marketing Agency is a website development company. Launched in 2023, the company focuses on Web Development and Advertising.Read More
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432$1,000+2 - 9 employeesToronto, CanadaLaunched in 2022, Projectsity is a branding agency. The small team specializes in Branding and Web Design.Read More
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433$1,000+2 - 9 employeesBrampton, CanadaLocated in Brampton, Canada and London, England, Devinti is a small social media marketing company. The team specializes in Social Media Marketing and Pay Per Click.Read More
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434$1,000+2 - 9 employeesMississauga, CanadaEstablished in 2023, CaIoT Inc. Is a web design agency. Their team offers Web Design and Logo.Read More
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435$5,000+2 - 9 employeesToronto, CanadaAgileCode Studio is an IT strategy consulting company. Their small team is based in Toronto, Canada and provides IT strategy consulting and UX/UI Design. The company was established in 2023.Read More
Industries
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436$1,000+2 - 9 employeesMississauga, CanadaMOSLAB Innovations Inc, a web development company, was founded in 2018. The agency specializes in Web Development and Custom Software Development.Read More
Industries
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437$1,000+2 - 9 employeesMississauga, CanadaThe Creative Horse is a SEO company established in 2023. Their services include Search Engine Optimization and Web Design.Read More
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438Undisclosed2 - 9 employeesBurlington, CanadaCollectiveXP is an IT staff augmentation company. The small Burlington, Canada-based team offers IT staff augmentation and Custom Software Development. The firm was launched in 2023.Read More
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439$1,000+2 - 9 employeesToronto, CanadaInnovatech Solutions is a social media marketing company. The Toronto, Canada-based team provides Social Media Marketing and Content Marketing.Read More
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440$1,000+2 - 9 employeesMarkham, CanadaArtificial intelligence firm Mindlab Inc is based in Markham, Canada. They offer Artificial Intelligence, ai consulting, custom software development, web development, and more and were launched in 2019.Read More
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441$10,000+2 - 9 employeesToronto, CanadaKazisu is a website development company located in Sheridan, Wyoming and Toronto, Canada. Their services include Web Development and Custom Software Development.Read More
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442$1,000+2 - 9 employeesOakville, CanadaEstablished in 2024, NOTH Technology Group Inc. Is a software development company. The team specializes in Custom Software Development and AI Agents.Read More
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443Undisclosed2 - 9 employeesBrampton, CanadaSicklebill Consulting is an IT staff augmentation company. The Brampton, Canada-based company focuses on IT staff augmentation and Cybersecurity.Read More
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444$5,000+2 - 9 employeesMississauga, CanadaCybernamix AI is an artificial intelligence firm. The agency is in Mississauga, Canada. Their team focuses on Artificial Intelligence and AI Agents.Read More
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445$10,000+2 - 9 employeesLondon, CanadaSoge Digital Hub is an UX design agency located in London, Canada. They provide UX/UI Design and Web Development and were established in 2023.Read More
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446Undisclosed2 - 9 employeesMississauga, CanadaPayon Agency is a software development firm. They were founded in 2025 and provide Custom Software Development and UX/UI Design.Read More
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447$1,000+2 - 9 employeesToronto, CanadaCalafold is a software development firm launched in 2025. The team provides Custom Software Development and UX/UI Design and is in Toronto, Canada.Read More
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448Undisclosed10 - 49 employeesToronto, CanadaCustom software development firm EdgeFirm was established in 2024. They are in Karachi, Pakistan and Toronto, Canada and have a small team. Their services include Custom Software Development, UX/UI Design, Application Management & Support, E-Commerce Development, and more.Read More
Industries
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449$25,000+50 - 249 employeesToronto, CanadaRead More
Atlantis Consulting Group Inc is a midsize application testing company. Founded in 1989, the firm is headquartered in Toronto, Canada; Albany, New York; Hyderabad, India and Paud, India. Their team specializes in application testing, custom software development, social media marketing, IT staff augmentation, and more.
Clients
Common Wealth of VirginiaIndustries
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450$1,000+10 - 49 employeesToronto, CanadaBased in Toronto, Canada, Techiosos is a software development firm. They focus on Custom Software Development, Web Development, E-Commerce Development, Mobile App Development, and more and were established in 2025.Read More
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