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

15 Companies - Rankings updated: August 26, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

United States × California ×
  • Searchbloom

    Verified Verified by the DesignRush team for authenticity and credibility.

    Top Rated SEO Agency by Forbes, USA Today, Backlinko, & Search Engine Land

    Searchbloom is an award-winning, performance-driven digital marketing firm specializing in SEO, PPC, and CRO. We build custom strategies around business models and margins, execute under one roof, and stay accountable to measurable revenue focused results for mid market and enterprise brands...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed

    Searchbloom Services

    • SEO
    • PPC
    • CRO
    • eCommerce
    • Content Marketing
    • Advertising
    • Digital Marketing
    • Media Buying
    • eCommerce Development
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Nordstrom
    • Bill.com
    • 1800 contacts
    • Idera, Inc.
    • Divvy
    • Wh Law
    • Schwartzapfel Lawyers
    • Goedeker's
    • Suse
    • DeWils
    Data sourced from the agency's DesignRush profile

    Searchbloom Reviews & Testimonials

    • Sacha Awwa
      Sacha Awwa Founder at SAMG Marketing
      5.0

      SEO Review from Sacha Awwa

      Outstanding SEO Partner They Deliver Every Time Search Bloom is hands down the best SEO company I've worked with. What sets them apart is their commitment to actually delivering on what they promise something that's honestly rare in this industry. The team consistently extends themselves to push through challenges and get results. I've worked with them to support my clients' needs, and they've been nothing short of amazing on all fronts. Their level of trust and reliability is exactly what you want in a strategic partner. If you're looking for an SEO company that won't just talk the talk but will actually deliver, Search Bloom is it. Highly recommend them without reservation.

    • Clayton Johnson
      Clayton Johnson Director of Licensing and Publishing at Musicnotes
      5.0

      Advertising Review from Clayton Johnson

      Searchbloom managed our SEO and Paid Search Advertising channels with much success. They are deeply knowledgeable and professional. They can explain why they make the choices they do and provide a clear strategic vision for how to grow our brand in a challenging environment.

    • Anonymous
      Anonymous CMO at Food Manufacturing Company
      5.0

      SEO Review from Anonymous

      Our traffic has increased and our keyword positions have improved to the point where we’re ranking on page one. We know SEO is a long-term effort, but we’re happy with the results so far. What stands out most about Searchbloom is their transparency and integrity.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI-Enabled Đ¡ustom Software Development

    We're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs...

    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    33 Projects Listed

    JetRuby Services

    • Web Development
    • Software Development
    • Mobile App Development
    • Web Design
    • AI Development
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Financial Times
    • Universum Global
    • Linksquares
    • Sortly
    • NameCoach
    • Anova
    • Osram
    • BackBase
    • Glowforge
    • CampusOptics
    Data sourced from the agency's DesignRush profile

    JetRuby Reviews & Testimonials

    • Artur OzieraÅ„ski
      Artur Ozierański Chief Executive Officer at Holdapp
      5.0

      Mobile App Development Review from Artur Ozierański

      JetRuby provided staff augmentation services for us. developed a mobile app for a design platform. The team was responsible for implementing the backend server and admin panel, and frontend code. The team was made up of experienced developers that have great communication skills, which made resolving any issues or questions a breeze. JetRuby developers kept up-to-date with the latest technologies and trends in development and suggested updates and improvements to the application as needed.

    • Patrice Archer
      Patrice Archer Founder & CEO at Appy Ventures
      5.0

      Web Design Review from Patrice Archer

      They developed a SaaS web platform with smart scheduling and automation tools for us at and built the platform's front- and backend and integrated a custom analytics dashboard and calendar integrations. But to be honest what impressed us most was how deeply they engaged with our vision. They didn't just write code they challenged assumptions, proposed better workflows, and contributed as if they were part of our internal product team. Their ability to think strategically and focus on user experience made them feel more like tech partners than a typical outsourced vendor.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Branding and web design agency Los Angeles

    Brainbox is an expert agency in web design, UI/UX, branding, graphic design, and packaging design, aimed at helping businesses and organizations develop cohesive and effective visual identities. Our team of experienced designers and developers collaborates closely with clients to understand their business...

    Location
    Glendale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000

    Brainbox Design Services

    • UI/UX Design
    • Web Design
    • Logo Design
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Paysley
    • Sevan Meat Market
    • Jadore Les Fleurs
    • Payment Cloud
    • Usa TV LLC
    Data sourced from the agency's DesignRush profile

    Brainbox Design Reviews & Testimonials

    • Alexa Buckley
      Alexa Buckley co-founder at Margaux
      5.0

      UI/UX Design Review from Alexa Buckley

      Thanks to Brainbox Design's work, We was able to scale our business. They showed amazing camaraderie with our internal team that helped deliver a successful product. Above all, their quick turnaround time impressed us. Working with their team was so awesome, The workflow between our team and theirs went smoothly as they carried us along throughout all the project stages.

    • Lydia  Gilbert
      Lydia Gilbert FOUNDER at Dia & Co
      5.0

      Web Design Review from Lydia Gilbert

      Brainbox Design has been hired to spa for website development services. After finalizing our goals and objectives, they've designed and built a modern and informational WordPress website.Brainbox Design was able to create the website just as we wanted with the specifications needed. Communication an delivering was awesome. The overall service was of good quality.

    • Kristin Richardson
      Kristin Richardson founder at Sherah
      5.0

      Web Design Review from Kristin Richardson

      They presented two different designs to choose from and proceeded with the selected one. Working with Brainbox was straight forward - excellent work flow - quick understanding and perfect realization of the project - always with a grain of humor. thank you very much for the experience! We had a fast turnaround, and clients were happy because of their wonderful designs. Highly recommended!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Trusted IT Partner for SMBs & Enterprises Since 2001 | Dedicated Teams | Industry-Specific Solutions

    Altoros is a 350+ person strong IT consulting and development group. For over 20 years, we've been assisting Global 2000 organizations in getting software products to market faster and reducing the cost of R&D experiments to enable stable business growth...

    Location
    Pleasanton, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    12 Projects Listed

    Altoros Labs Services

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Staff Augmentation
    • Software Testing
    • AI Development
    • IoT
    • Cloud Consulting
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Siemens
    • Toyota
    • Hitachi
    • Huawei
    • Denso
    • LikeFolio
    • Dealflo
    • iFit
    • Walmart
    • EQ Bank
    Data sourced from the agency's DesignRush profile

    Altoros Labs Reviews & Testimonials

    • Daria Stolyar
      Daria Stolyar Manager at Custom Software Development Company
      5.0

      Software Development Review from Daria Stolyar

      We hired Altoros engineers as an essential extension of our client-facing internal teams. This was a tough decision because our reputation as a brand depends on the overall efficiency of our processes and we needed to make sure all risks are mitigated when it comes to delivery. Altoros has not let us down. Together with Altorosians we successfully deployed a number of tough and technologically complex projects on time. So our collaboration is certainly set to continue.

    • Victoria Lewis
      Victoria Lewis Director at Equine Affairs Ltd
      3.5

      Software Development Review from Victoria Lewis

      We enjoy working with our team, Roman Yurkin, Tatyana Kobzar, Svetlana Kalchanka and Tatiana Anop. They bring expertise and immense value to our business with each piece of work they complete. They are a major part of our business development and delivery.

    • Greg Lipper
      Greg Lipper Managing Director at Happi Pte Ltd
      5.0

      Ruby on Rails Review from Greg Lipper

      In my 30 years in the software business, I have never had as positive an experience with an outsourced development services provider as I have with Altoros. Each Altoros engineer we have worked with has been strong technically, estimated development times accurately, completed projects on time, and delivered code and projects with high quality. Beyond that, they have helped improve our thinking and approach with suggestions and ideas that were better than the spec of instructions we supplied.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Research, Design and Build

    Lollypop Design is a global UX UI and Interactive Design Company on a mission to empower and touch a billion lives across the world through world-class digital experiences...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    60 Projects Listed

    Lollypop Design Studio Services

    • Web Design
    • Web Development
    • UI/UX Design
    • Mobile App Development
    • Graphic Design
    • Design Services
    • Branding
    • Logo Design
    • Product Design
    • Creative Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Paytm Money
    • Burger King
    • Zee5
    • Standford University
    • Asianpaints
    • Ernst & Young
    Data sourced from the agency's DesignRush profile
  • Result-Driven Digital Solutions Since 2005

    We provide results-driven solutions in the Digital field since 2006. While working with us you will receive the expertise and knowledge from our Digital Agency and highly qualified resources from our Research & Development Competence Centre...

    Location
    Escondido, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    SEOTM Services

    • Web Development
    • Web Design
    • Mobile App Development
    • SEO
    • PPC
    • CRM Consulting
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Soudal
    • Servier
    • inbus.ua
    Data sourced from the agency's DesignRush profile

    SEOTM Reviews & Testimonials

    • Vitaliy Dyachenko
      Vitaliy Dyachenko CEO and Founder at UppLabs
      5.0

      SEO Review from Vitaliy Dyachenko

      We were lucky to find SEOTM, who appeared to be truly professional and experienced guys! The scope of their work included our website audit, comparison, and monitoring of our core competitors' activities, creating a semantic core, and planning tasks for content creation. Since we started working with SEOTM, our positions in Google raised and we started to get more traffic from our target countries and segments. Amazing work and a great team! Hope to work with them again!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Innovation Amplified: Offshore Software Solutions Redefined.

    Mangosoft is a top offshore software agency, offering web, mobile app, and enterprise development services. With a strong track record and a global presence, we have successfully delivered 250+ projects across 30+ countries. Our tailored teams of niche experts ensure optimal results, while our transparent...

    Location
    Santa Monica, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    18 Projects Listed

    Mangosoft Services

    • Software Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • Web Development
    • eCommerce Development
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bandai Namco
    • Nucleus
    • Honey Bee
    • Cargebeya
    Data sourced from the agency's DesignRush profile

    Mangosoft Reviews & Testimonials

    • Mitch Somach
      Mitch Somach CEO at Marketing Agency
      5.0

      eCommerce Development Review from Mitch Somach

      MANGOSOFT optimized a data platform for a marketing agency. The team also assisted the client with e-commerce development and user acquisition. MANGOSOFT ensured a successful platform launch for the client. The team delivered all tasks on time and demonstrated a sophisticated development process. Ultimately, the client was pleased with the engagement.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • One-stop scientific communication agency

    Nanobot Communication is an award winning one-stop scientific communication agency. We provide life science companies with marketing and communication strategies that are efficient, responsive, and centered on delivering a measurable return on investment (ROI)...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    23 Projects Listed

    Nanobot Medical Services

    • Video Production
    • Creative Services
    • Digital Strategy
    • Web Development
    • Web Design
    • Content Marketing
    • VR/AR
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • MSD
    • Novartis
    • Bayer
    • Biocad
    • Janssen
    • Fluosphera
    • Bionorica
    • Calidi
    • Ferronova
    • Exeltis
    Data sourced from the agency's DesignRush profile
  • Curl Ware, your one-stop shop for all your web development and design needs.

    Our team of experts focuses on delivering top-quality services to our clients, ensuring that they receive the best results. We aim to help businesses and individuals build their online presence through effective website development, optimization, and design. Our mission is to exceed our client's expectations...

    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Portfolios Count
    20 Projects Listed

    Curlware Services

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Software Testing
    • Mobile App Development
    • IT Services
    • Business Consulting
    • SEO
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Advantage Inspection
    • Faith Travel
    • YHTV NOW
    • Prime Elevator
    • OKSEOTOOLS
    • Onehealthpetfood
    • Lavelier
    • Smart Office
    • Tyrstrup Kro
    • Winner
    Data sourced from the agency's DesignRush profile
  • AI-First Company for Rapid Product Development

    We are global web3.0 Software engineering company making success stories for more two decades with highly motivated and experience teams and a proven agile framework. we prioritize the commercial goal of our customer deliver the highest business value. we are a renowned blockchain app development company in...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed

    NetSet Software Solutions Services

    • Blockchain
    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • Web Development
    • Staff Augmentation
    • eCommerce Development
    • WordPress Website Design
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Riskcare
    • BetFolio
    • EFX Inc.
    • BotFather
    • AI Health Assistant
    Data sourced from the agency's DesignRush profile

    NetSet Software Solutions Reviews & Testimonials

    • Kowshik Mullapudi IT Analyst at Techdoquest
      4.7

      Mobile App Development Review from Kowshik Mullapudi

      When we hired NetSet Software Solutions to create our enterprise mobile apps, they promptly produced excellent, user-friendly solutions. Throughout the process, their team demonstrated professionalism, promptness, and attention to our needs.

    • Rakesh Thakkar
      Rakesh Thakkar Executive Vice President of Fooda at Fooda
      4.5

      Blockchain Review from Rakesh Thakkar

      Throughout every phase of our product journey, the Blockchain-Based Supply Chain Tracking System provided us with the visibility and control we required. It increased openness, decreased mistakes, and assisted us in guaranteeing the genuineness and caliber of our food and drink products. Our activities are now more dependable and effective thanks to the solution.

    • Mark Trudeau
      Mark Trudeau VP, Sales | Executive Leader | Building High-Performing Teams at FloWater
      4.0

      Blockchain Review from Mark Trudeau

      Our capacity to track and monitor our food and beverage items from farm to retailer has significantly increased thanks to the Blockchain-Based Supply Chain Tracking System. Our processes are now more dependable and efficient due to the enhanced transparency, decreased errors, and guaranteed product authenticity.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Creating amazing software products!

    CognitiveClouds is a custom software product and consumer app development company with a reputation for excellence in creating tailored software solutions...

    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed

    CognitiveClouds Services

    • Mobile App Development
    • Software Development
    • IoT
    • AI Development
    • eCommerce Development
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Walmart
    • Sony
    • Yahoo
    • UBS
    • Volkswagen
    • Mahindra Electric
    • Katerra
    Data sourced from the agency's DesignRush profile
  • Scaling New Heights

    At HyScaler, we're driven by a mission to be your trusted partner in achieving transformative business objectives. Our global vision focuses on harnessing cutting-edge technologies to craft sustainable, intelligent, and secure solutions...

    Location
    Santa Clara, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 Projects Listed

    HyScaler Services

    • Mobile App Development
    • Blockchain
    • Software Development
    • AI Development
    • IoT
    • IT Services
    • Cybersecurity
    • Cloud Consulting
    • Web Development
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Urban Sports Club
    • Artisan
    • Stanford University
    • Khelnow
    • Doctegrity
    • EA
    • Tune Protect
    Data sourced from the agency's DesignRush profile

    HyScaler Reviews & Testimonials

    • David Robinson
      David Robinson Review from Google
      5.0

      David Robinson's Review Sourced from Google

      Can't say enough about this group! Amazing work and great people. You can really tell that the culture here is far above other shops because everyone seemingly loves what they do, and it shows in the final product. Solid work, agreeable rates, and on time delivery. 100% recommend!

    • Ernesto Berrum
      Ernesto Berrum Review from Google
      5.0

      Ernesto Berrum's Review Sourced from Google

      Great group of people to work with. Very flexible and have been delivering on all of our request in a timely manner. Our platform runs on Ruby on Rails but they have Python, Node.js, React, React, and HTML experts on hand.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Digital Growth Partner

    Sadja WebSolutions is a digital agency focused on creating custom websites, mobile apps and digital marketing to grow brands online. We help companies around the world increase their online presence and ROI through design, development and online marketing...

    Location
    Torrance, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000

    Sadja WebSolutions Ltd Services

    • Web Design
    • Digital Marketing
    • Digital Strategy
    • Graphic Design
    • Logo Design
    • Package Design
    • SEO
    • eCommerce
    • Social Media Marketing
    • Content Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • DHL
    • Mint Home Ltd
    • Ecobank
    • Rawbank
    • Vodaphone
    Data sourced from the agency's DesignRush profile

    Sadja WebSolutions Ltd Reviews & Testimonials

    • Patricia Tendo
      Patricia Tendo Manager at Mint Home
      5.0

      Web Design Review from Patricia Tendo

      100% brilliant work again! Extremely highly recommended

    • Lavit Singh
      Lavit Singh Review from Google
      1.0

      Lavit Singh's Review Sourced from Google

      This company is completely fake and untrustworthy. I spent 150+ hours working on their website, but in the end, they refused to pay even a single penny. :warning: Warning to other freelancers: do not trust this client. They waste time, exploit efforts, and do not respect the work. Stay away to save your valuable time and energy.

    • Robert Zgozi
      Robert Zgozi Review from Google
      5.0

      Robert Zgozi's Review Sourced from Google

      Sadja Web-solutions are the best Web developers and Digital Marketing Company I have ever known. They professional with a lot of Experience I recommend they work.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Solve-Automate-Scale Leveraging Technology for your Business

    YES IT Labs is a top software development company delivering innovative, high-quality solutions tailored to client needs. Our expert team uses cutting-edge technology to turn ideas into reality. Services include custom software, mobile/web apps, IT consulting, and more...

    Location
    Laguna Beach, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    YES IT LABS Services

    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Mobile App Development
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Roniece
    • Chris-Tia Donaldson
    • Len
    • Philip
    • Frederico
    Data sourced from the agency's DesignRush profile

    YES IT LABS Reviews & Testimonials

    • Chad Stein
      Chad Stein Review from Google
      5.0

      Chad Stein's Review Sourced from Google

      I worked with Amy during the design phase and she was very helpful and made very nice looking screens based on my input. She was very easy to work with. THANKS!

    • Firey doodley Demi-god
      Firey doodley Demi-god Review from Google
      5.0

      Firey doodley Demi-god's Review Sourced from Google

      YES IT LAB LLC is an excellent software development company. Actually this is Phyllispecantan7 submitting the review. Four and I uses the same email address. YESIT Labs dba Top rated on Guru.com has an almost perfect success rate. They provided a great service and continue to "Deliver with Commitment." They also deliver with Love. I am happy and satisfied with the quality of the results they did on meetphyllis.com. They are an excellent Software Development Company, which I highly recommend.

    • Four He’s just a number
      Four He’s just a number Review from Google
      5.0

      Four He’s just a number's Review Sourced from Google

      YES IT LAB LLC is an excellent software development company. Actually this is Phyllispecantan7 submitting the review. Four and I uses the same email address. YESIT Labs dba Top rated on Guru.com has an almost perfect success rate. They provided a great service and continue to "Deliver with Commitment." They also deliver with Love. I am happy and satisfied with the quality of the results they did on meetphyllis.com. They are an excellent Software Development Company, which I highly recommend.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000

    Tech.us, Inc Services

    • AI Development
    • Mobile App Development
    • IT Services
    • Software Testing
    • Cybersecurity
    • Cloud Consulting
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ivionics
    • OpenGym
    • IDP Consulting
    • Zone
    • Trader PhD, LLC
    Data sourced from the agency's DesignRush profile

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