Our expert analysts identified the top Ruby On Rails developers in California that can build high-performance websites, applications, eCommerce stores, service marketplaces, online libraries and more using the feature-rich software. Discover the best companies in the table below and filter listings by price, reviews and size to choose one that fits your business needs.

Best Ruby On Rails Development Companies in California

161 Companies - Rankings updated: August 26, 2026

All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.

United States × California ×
  • We Build Digital Products, Experiences, And Systems ‍that Matter.

    We Build Digital Products, Experiences, And Systems ‍that Matter.

    Born West is a creative tech agency. We turn ambitious ideas into working software from inception to launch. Our senior strategists, designers, and engineers work as one team to shape digital products, AI-powered tools, platforms, and experiences that are thoughtful, scalable, and built to ship...

    Top Services:

    • Product Design
    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Concord, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
  • Canadas Trusted Partner

    Canadas Trusted Partner

    iQlance Solutions Canada is a global technology service provider specializing in delivering advanced digital products tailored to modern business needs. The company focuses on building scalable, secure, and high-performance solutions, helping organizations turn their ideas into successful digital platforms...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    Location
    Ontario, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000
  • Empowering brands through digital transformation!

    Empowering brands through digital transformation!

    A.M.P Digital Media delivers innovative marketing solutions designed to propel businesses into the digital spotlight. With expertise spanning paid search (PPC), SEO, social media, email marketing, affiliate marketing, content creation, eCommerce strategy and development, and website design, we craft bespoke...

    Top Services:

    • Digital Marketing
    • Social Media Marketing
    • eCommerce Development
    • SEO
    • Email Marketing
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    Location
    San Diego, California
    Number of Employees
    Under 49
  • Expert Digital Marketing | Amplified Growth Strategies.

    Expert Digital Marketing | Amplified Growth Strategies.

    We provide result-driven digital marketing and brand launch solutions to scale businesses with profits. Most marketing leaders struggle to find a proactive, strategic agency partner with the expertise, services, & vision to drive long-term results online...

    Top Services:

    • Branding
    • Graphic Design
    • Web Design
    • Digital Marketing
    • SEO
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    Location
    Modesto, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Build Better Software.

    Build Better Software.

    Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey...

    Top Services:

    • AI Development
    • Mobile App Development
    • IT Services
    • Software Testing
    • Cybersecurity
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    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
  • Lukasa is a next-gen consulting partner helping organizations transform through data modernization,

    Lukasa is a next-gen consulting partner helping organizations transform through data modernization,

    Custom Software that Actually Works the Way You Do...

    Top Services:

    • Business Consulting
    • Software Development
    • AI Development
    • VR/AR
    • ERP Consulting
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
  • Websites That Keep Working After Launch

    Websites That Keep Working After Launch

    Digital Anchor is a San Diego web systems studio for small businesses, nonprofits, and growing teams. We rebuild dated websites, take over WordPress installs nobody wants to touch, and keep search rankings intact through the move. After launch, we stay on as the people you call when something breaks...

    Top Services:

    • Web Design
    • WordPress Website Design
    • Web Development
    • eCommerce Development
    • Digital Marketing
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • AI-Powered Community of Expert Dev Teams

    AI-Powered Community of Expert Dev Teams

    DevTeam.Space is an AI-powered community of expert dev teams. Our mission is to help more businesses build great online products...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • You Have a Business. We Have a Strategy.

    You Have a Business. We Have a Strategy.

    Spinning Web Media Solutions helps Bay Area businesses grow online with custom websites, SEO, digital marketing, and eCommerce solutions. Serving San Francisco, Oakland, San Jose, and surrounding communities, we create high-quality web solutions that boost visibility, drive traffic, and grow sales...

    Top Services:

    • Digital Marketing
    • Web Design
    • Web Development
    • SEO
    • PPC
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    Location
    Antioch, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
  • Strategy, design, engineering, and AI

    Strategy, design, engineering, and AI

    Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Design Services
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    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • We help accelerate your IoT!

    We help accelerate your IoT!

    Altiux Innovations is a software and product engineering services organization focused on helping you accelerate the development of your IoT solutions and products. We provide specialized engineering services across the entire IoT development cycle, from consulting, device engineering, cloud and mobility...

    Top Services:

    • IoT
    • Software Development
    • Software Testing
    • Mobile App Development
    • AI Development
    • Show more
    Location
    Milpitas, California
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Let Design, Function, and Strategy Meet!

    Let Design, Function, and Strategy Meet!

    We create websites and provide businesses with various opportunities to collect leads and make money from unexpected conversions. The custom website company is dedicated to fulfilling needs that our experts can handle. We only make the best promises when it comes to website creation...

    Top Services:

    • Branding
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    5 Projects Listed
  • Marketing That Works Like An In-House Team

    Marketing That Works Like An In-House Team

    Scoompy Inc. is a U.S.-based full-service digital marketing agency helping businesses grow through SEO, GEO, PPC, advertising, branding, public relations, content marketing, email marketing, digital strategy, web design, and development. We work as an extension of our clients in-house teams, combining search...

    Top Services:

    • Digital Services
    • Graphic Design
    • Public Relations
    • Digital Strategy
    • Reputation Management
    • Show more
    Location
    San Marcos, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

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