Top JavaScript Development Companies in Ontario
Not sure which
agency is right for you?
Tell us about your project, and get matched with agencies that fit your requirements.
List of the Best JavaScript Development Agencies and JavaScript Developers in Ontario
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
52 Companies
Filter by
-
Canada
-
Ontario
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Driving Business Growth Through Tailored Web & IT Solutions.
ACT360 is a full-service IT solutions provider delivering proactive managed IT services, system installation, and ongoing support for businesses across Barrie and the GTA, helping organizations leverage secure, cutting-edge technology to improve efficiency, performance, and growth.
View ACT360 Web & IT Inc Profile$100-$149/hr
$5,000+
10 - 49
Barrie, Canada
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Accelerate Your Business Growth with Web Design, Web App & Mobile App Development Solutions.
We are a fast-growing IT services and digital solutions company helping businesses scale and succeed in competitive markets. As a trusted technology partner, we provide end-to-end services including website design, custom software development, mobile app development, and digital marketing to drive measurable business growth. Our team works with clients globally across Canada, the USA, UK, Europe, and the Middle East, delivering scalable, high-performance digital solutions tailored to diverse industries. We have successfully collaborated with well-known brands such as Enercare, Walmart, Home Depot, and government organizations, building reliable and results-driven platforms. From branding and web development to SEO, PPC, and application development, we offer a comprehensive suite of services designed to enhance online visibility, improve user engagement, and increase conversions. By combining technical expertise, strategic insight, and creative execution, we help businesses streamline operations and accelerate growth—allowing you to focus on what matters most: expanding your business.
View Telkoware Profile< $25/hr
$1,000+
10 - 49
Mississauga, Canada
Why Companies Trust SelectedFirms?
SelectedFirms bridges the gap between businesses and digital service providers as a trusted B2B research and listing platform. With the trust of 14,000+ companies and a growing community of 1M+ users, we empower businesses with reliable insights to make confident decisions.
Human-verified companies
We manually review companies to ensure they meet our quality standards before they appear on the platform.
Research-driven rankings
We rank companies using a clear ranking methodology based on real client feedback, expertise, market credibility, and how well teams execute — not hype.
Always up-to-date insights
We regularly refresh listings with new reviews, case study updates, and market changes to keep decisions relevant.
Verified credibility signals
From verified badges to editorial reviews, we highlight companies that show real commitment to quality and transparency.