Top 100 JavaScript Development Companies in Toronto
The Best of October 2026Looking for a top JavaScript developer in Toronto?
If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.
To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in Toronto. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Toronto JavaScript Developers
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31$25,000+2 - 9 employeesToronto, CanadaSmall custom software development company AltoLeap Inc., is in Toronto, Canada and Kingston, Jamaica. Launched in 2012, the team specializes in Custom Software Development, Web Development, and Mobile App Development.Read More
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32$25,000+10 - 49 employeesToronto, CanadaRead More
Quantum Mob is a Toronto-based end-to-end digital innovation firm with a passion for building beautiful & functional products that deliver results. Established in 2016, they provide custom-tailored software solutions that empower their partners to succeed. Their services range from ideation to design, engineering to DevOps, support to team/staff augmentation, and much more. Clients include cutting-edge early-stage startups to elite Fortune 500.
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Air MilesIndustries
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33$10,000+10 - 49 employeesToronto, CanadaParacon Consultants Corp., a mobile app development firm, is headquartered in Toronto, Canada. The small team specializes in Mobile App Development, Web Development, Custom Software Development, and BI & big data consulting & SI. The company was launched in 2013.Read More
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3M Interspan Consolidated Contractors Company Titan AmericaIndustries
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34$5,000+10 - 49 employeesToronto, CanadaRead More
Simplistics Web Design Inc. Is an user experience design company. Established in 2011, the small firm is based in Toronto, Canada and Kitchener, Canada. Their team offers ux/ui design, e-commerce development, web design, web development, and more.
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35$5,000+10 - 49 employeesToronto, CanadaRead More
A2 Design Inc. Is a web development company. The small team is based in Toronto, Canada. Their services include web development, e-commerce development, web design, mobile app development, and more.
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HashtagioIndustries
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36$25,000+50 - 249 employeesToronto, CanadaMWDN is a midsize IT staff augmentation company. Founded in 2002, the agency is in תל אביב-יפו, Israel; Kyiv, Ukraine; Warszawa, Poland and Sofia, Bulgaria. Their team specializes in IT staff augmentation, Custom Software Development, Recruiting, Mobile App Development, and more.Read More
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Gett Twingate iRoofing NAX Technology GroupIndustries
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37$25,000+10 - 49 employeesVaughan, CanadaRead More
Codepaper is a custom software development company. The Toronto, Canada-based firm was founded in 2015. The small team focuses on custom software development, web development, mobile app development, BI & big data consulting & SI, and more.
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38$5,000+50 - 249 employeesToronto, CanadaIQlance Solutions LLC is a midsize custom software development company. The Toronto, Canada-based company was established in 2016. Their services include Custom Software Development, Mobile App Development, IT staff augmentation, Artificial Intelligence, and more.Read More
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39$5,000+2 - 9 employeesToronto, CanadaRead More
Harley Oliver is a Toronto-based digital design studio. It was founded in 2008 and maintains a small team of 3 employees. Harley Oliver provides UX/UI design, digital strategy, branding, product design, e-commerce development, and wearable app development.
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40$1,000+50 - 249 employeesMarkham, CanadaITechnolabs Inc, an app development company, is based in Markham, Canada; Sheridan, Wyoming; Calgary, Canada and Sahibzada Ajit Singh Nagar, India. They focus on Mobile App Development, Web Development, Custom Software Development, and Artificial Intelligence and were founded in 2020.Read More
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41$1,000+2 - 9 employeesMississauga, CanadaCS Web Solutions is a SEO agency. They specialize in Search Engine Optimization, Web Design, Web Development, Custom Software Development, and more and were founded in 2015. The agency is headquartered in Mississauga, Canada and Mississauga, Canada.Read More
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42$50,000+50 - 249 employeesToronto, CanadaRead More
Founded in 2002, TWG is a software development company headquartered in Toronto, Ontario, with a satellite office in New York City. With a team of around 140 employees, TWG provides web development, custom software development, and mobile app development services.
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Bell MediaIndustries
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43$5,000+50 - 249 employeesMississauga, CanadaRead More
Default-Value Software Developers is an e-commerce development company. They specialize in e-commerce development, custom software development, and web development and were founded in 2010. Their small team is Chercassy, Ukraine-based.
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Quad NovaIndustries
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44$10,000+10 - 49 employeesToronto, CanadaRead More
Majestic is a digital marketing firm based in Toronto, Canada. Founded in 2008, their team of around 24 employees provides web design, UX, and web development services.
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PepsiCo (Canada and US)Industries
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45$10,000+10 - 49 employeesToronto, CanadaRead More
Founded in 2006, ITW Consulting is a digital agency headquartered in Toronto, Ontario, with an additional satellite office in Tampa, Fla. With a team of 10 employees, ITW Consulting offers web design, web development, and custom software development services.
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ZayoIndustries
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46$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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47$50,000+10 - 49 employeesMississauga, CanadaBlank Space is an user experience company. The small Mississauga, Canada-based agency was founded in 2014. Their team offers UX/UI Design, Mobile App Development, Low/No Code Development, Custom Software Development, and more.Read More
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Dunkin'Industries
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48$1,000+50 - 249 employeesToronto, CanadaRead More
BrandLume Inc. Is a SEO company launched in 2011. Their midsize team is located in Toronto, Canada and Vaughan, Canada. The firm specializes in Search Engine Optimization, Pay Per Click, Advertising, Social Media Marketing, and more.
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BrandLume Empowers 6400+ clients across the worldIndustries
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49$10,000+2 - 9 employeesToronto, CanadaRead More
Thinkbound Inc. is a digital development and optimization company based in Toronto. The company, founded in 2010, has a team of less than ten that provides web design & development services to small companies and organizations in various industries that include advertising & marketing, business services, and nonprofit.
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Canadian Music CentreIndustries
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50$5,000+10 - 49 employeesToronto, CanadaEstablished in 2021, Canadian Software Agency Inc is a custom software development company. They are located in Toronto, Canada and have a small team. Their services include Custom Software Development, Mobile App Development, E-Commerce Development, Web Development, and more.Read More
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Walmart OPTA Nescafe Toronto GreenP ParkingIndustries
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51$5,000+50 - 249 employeesVaughan, CanadaAdroit Outsourcing is a software development firm. The small Jodhpur, India-based firm was launched in 2009. Their team offers custom software development, web development, mobile app development, application management & support, and more.Read More
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52$10,000+10 - 49 employeesToronto, CanadaIn Oakville, Canada and Toronto, Canada, Produktiv is a small user experience design company. They offer UX/UI Design, Digital Strategy, Content Marketing, Pay Per Click, and more and were founded in 2017.Read More
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SalesforceIndustries
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53$50,000+10 - 49 employeesToronto, CanadaBoldheart, a mobile application development firm, was founded in 2020. The agency specializes in Mobile App Development, Custom Software Development, UX/UI Design, IT strategy consulting, and more and has a small team. The agency is in Berlin, Germany; München, Germany; Zürich, Switzerland and Wien, Austria.Read More
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ValoraIndustries
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54$5,000+10 - 49 employeesToronto, CanadaSRH Software is a small web development company launched in 2023. Their services include Web Development, Mobile App Development, E-Commerce Development, Branding, and more. The firm is based in Noida, India and Toronto, Canada.Read More
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IBO City VaiStat Apsession ERP Success PartnerIndustries
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55$10,000+10 - 49 employeesToronto, CanadaGuaraná Technologies is a mobile application development firm. They are located in Toronto, Canada and Montréal, Canada and have a small team. The company focuses on Mobile App Development, IoT development, UX/UI Design, and Web Development.Read More
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RadenIndustries
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56$25,000+10 - 49 employeesToronto, CanadaParachute Design Group Inc. Is a web design agency. Their small team is located in Toronto, Canada and provides Web Design and Web Development. The agency was established in 2003.Read More
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The JUNO AwardsIndustries
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57$5,000+10 - 49 employeesToronto, CanadaArete Soft Labs Inc. Is a small SEO company. Located in Toronto, Canada and Brampton, Canada, the company was established in 2008. Their services include Search Engine Optimization, Web Design, Web Development, Mobile App Development, and more.Read More
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Digital Governance Council, CanadaIndustries
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58$5,000+10 - 49 employeesToronto, CanadaDesigno Graphy is a website development company established in 2013. The small team offers Web Development, Mobile App Development, Search Engine Optimization, and Custom Software Development. The company is based in Calgary, Canada; Toronto, Canada; Vancouver, Canada and Edmonton, Canada.Read More
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Heat Master SS Canadian Union Infinity Network Solutions World of SpasIndustries
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59$5,000+10 - 49 employeesToronto, CanadaEggs Media is a web design agency. Launched in 2013, the team provides Web Design, Web Development, and E-Commerce Development. Their small firm is in Toronto, Canada.Read More
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Government of OntarioIndustries
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60$5,000+10 - 49 employeesToronto, CanadaWEBDESK SOLUTION is an e-commerce development firm in Great Neck, New York and Toronto, Canada. The small team provides E-Commerce Development, Artificial Intelligence, Custom Software Development, Search Engine Optimization, and more. The agency was established in 2011.Read More
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ATR SportsIndustries
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