Top 15 Ruby on Rails Development Companies In The U.S. (2025)

Finding the right Ruby on Rails development company is not easy, especially when there are 24,000,000 results when searching for Ruby on Rails development companies in the United States.

Choosing the right partner can feel overwhelming, but the payoff is huge. The right Rails experts can help you build scalable web applications, accelerate product development, and boost your company’s growth.

In this post, you’ll see a breakdown of the best Ruby on Rails development companies in the U.S.—firms known for their expertise in custom web applications, API development, eCommerce platforms, SaaS solutions, and more.

Want to meet them? Let’s dive in.

What Makes a Top Ruby on Rails Development Company?

Before we jump into the list, here’s the criteria we used to select these companies—and what you should look for when choosing a Rails partner:

Client Retention

The best development firms don’t just win new clients; they keep them. A strong track record of long-term client relationships shows consistency, reliability, and a commitment to delivering results over time.

Rails Specialisation

While many agencies claim to “do it all,” the top firms have deep expertise in Ruby on Rails. They provide tailored solutions for each project, from architecture design to deployment and scaling, instead of offering one-size-fits-all development.

Proven Track Record

Case studies, testimonials, and a strong portfolio reveal how a company has solved complex problems for past clients. Look for examples of successful Rails projects, whether it’s launching startups, optimizing enterprise systems, or scaling SaaS applications.

Top Ruby on Rails Development Companies in the U.S.

1. 6B

You’re right—that’s us. But we’re not just talk, we’ve got the results to prove it. We’re 6B, a leading Ruby on Rails development company with a strong track record of delivering scalable, high-performance web applications.

We’re proud to provide top-tier services in:

• Custom Ruby on Rails Development
• SaaS & Web Application Development
• API Development & Systems Integration
• eCommerce Platforms
• Digital Transformation & Product Scaling

While headquartered in the UK, we proudly partner with clients across the U.S., helping startups, scaleups, and enterprises build digital products that make an impact. Our growing team of 50+ designers, developers, and strategists is dedicated to solving complex challenges with clean, reliable, and scalable code.

And we back it up with results:

• Scaled a U.S.-based SaaS platform to handle millions of requests per month, ensuring reliability and growth readiness.
• Developed a custom Rails-based healthcare platform that streamlined operations for thousands of patients and providers.
• Partnered with enterprises and fast-growing startups to build products that secured funding, scaled globally, and achieved lasting success.

We’re known for taking ambitious ideas and transforming them into market-ready applications that grow with your business.

So if you’re looking for a Ruby on Rails development company in the US that delivers results – click the button below to get in touch. Or, if you’d like to learn more about our Ruby on Rails development services, then check out our service page here.

Get in touch with our Ruby on Rails Development team

2. Aristek Systems

Aristek Systems is a custom software development company with strong expertise in Ruby on Rails. They specialise in building scalable, high-performing web applications, offering both development and consulting services. Their team focuses on fast project launches, robust backend solutions, and tailoring Rails projects to the specific needs of businesses.

In the United States, Aristek has a presence in several locations, including an office in Irvine, California. This local availability allows them to work closely with American clients, ensuring smooth communication, timely delivery, and solutions aligned with the expectations of the US market.

• Proven track record in delivering scalable Ruby on Rails web applications
• Strong focus on backend architecture and performance optimisation
• Expertise in customising Rails solutions to meet diverse business needs

3. Rubyroid Labs

Rubyroid Labs is a company founded in 2013, with a core focus on Ruby on Rails development. Their services cover full-cycle RoR delivery: from initial consulting, MVP creation, vendor transition, to refactoring, web APIs, and ongoing maintenance. On average their RoR developers bring around 3-7 years of experience, they emphasise coding standards, scalability, maintainability, and follow agile development methods.

They have a US presence with an office located in Springfield, Illinois. This enables them to engage with American clients more directly, offering overlapping working hours, English-speaking teams, and flexible engagement models (fixed price, time & materials, or dedicated team) tailored to project needs.

• Over a decade of dedicated Ruby on Rails expertise
• Skilled team with 3–7 years of RoR experience per developer
• Full-cycle development services from MVP to maintenance

4. Fourfold Tech

Fourfold Tech offers Ruby on Rails development services that emphasise building maintainable, secure, and scalable web applications. Their RoR team works across the full spectrum of development — from consulting and architecture design to implementation, testing, deployment, and post-launch support. They also focus on optimisation, code quality, and using modern tools and practices to ensure robustness for high-traffic applications.

They serve US clients and are able to align with American business expectations in terms of communication, timelines, and compliance. Their working model supports collaboration across time zones, enabling them to integrate with US-based teams and adapt project delivery to client needs.

• Specialisation in maintainability, security, and performance in RoR projects
• End-to-end service: from design & architecture through to support
• Experience in adapting to US client standards and expectations

5. Hashrocket

Hashrocket is a US-based software studio with deep ruby on rails expertise, alongside experience in other modern web and mobile technologies. Their team handles full project lifecycles: strategy/planning, design, development, quality assurance, deployment, and ongoing training or consulting.

They have physical offices in Jacksonville Beach, Florida and Chicago, Illinois, enabling US clients to work with them locally to ensure good communication, aligned working hours, and adherence to client-side expectations.

• Fluent, long-standing ruby on rails development capability
• Emphasis on building solid, maintainable, user-friendly applications that are engineered for long-term success
• Full spectrum of services: everything from early stage strategy to post-launch training and support

6. WhizzBridge

WhizzBridge is a consulting and software development company that offers Ruby on Rails (RoR) services including bespoke application development, backend architecture design, and performance optimisation. Their RoR practice emphasises agility, secure coding practices, robust backend systems, and building scalable web applications tailored to client needs.

In terms of US presence, WhizzBridge has an office in Dover, Delaware, which allows them to serve American clients more directly with local touchpoints, easier coordination, and better alignment with US market requirements.

7. JetRuby

JetRuby is a software agency with deep roots in Ruby on Rails, offering full-cycle RoR development including something they call “Ruby Code Upgrade Services” and opportunities to hire RoR developers directly. Their services stretch from the early discovery and design phases through development, QA, managed delivery, and ongoing support.

Their US presence is anchored by a headquarters in San Francisco, California, located at 535 Mission Street, which helps them engage closely with American clients and respond according to US market needs.

8. Bluebash

Bluebash is a software development company that offers Ruby on Rails among its tech stack, typically used for web and custom application development, especially in industries like healthcare, e-commerce, and education. They emphasise compliance (e.g. HIPAA, HL7) in regulated sectors, backend robustness (using RoR + PostgreSQL + Redis + AWS), and delivering solutions tailored to client needs.

In the US, Bluebash has an office in Sheridan, Wyoming, providing local presence for American clients, which helps with coordination, support, and alignment with US legal or regulatory expectations.

9. Sloboda Studio

Sloboda Studio is a full-cycle software development company with strong Ruby on Rails capabilities. They build platforms, SaaS, marketplaces, and web applications, and are praised for clean architecture, reliable backend systems, scalable Rails deployments, and rigorous testing.

They have representative or sales presence in the US (Austin, Texas is mentioned on their LinkedIn). They mostly operate from European locations (Germany/Berlin, Poland/Krakow, Spain/Madrid) along with remote and global delivery.

10. Itransition

Itransition is a global software development and consulting company that offers end-to-end Ruby on Rails development services. They build web apps (consumer, enterprise), MVPs, APIs, legacy system modernisation, and offer dedicated RoR developers or teams. Their Ruby on Rails practice emphasises security, code quality, scalability, automated testing, refactoring, and cloud deployment.

In the US, Itransition has a presence with an office in Decatur, Georgia. This gives US clients a local touch-point, reducing friction around communication, legal/regulatory matters, and project management with closer time-zone alignment.

11. Bacancy technology

Bacancy Technology is a global software development agency with strong Ruby on Rails expertise. They offer customised RoR development including MVP development, upgrades of existing Rails apps, API backend work, portal/web app building, cloud migration & hosting, and ongoing support and maintenance. Their Rails practice emphasises agile methodology, test-driven / behaviour-driven development, clean architecture (following Rails conventions like DRY / COC), and quick onboarding of developers.

In the US, Bacancy has several offices including locations in Iselin, New Jersey, San Francisco, California, Boston, Massachusetts, and Miami, Florida, which allow them to serve American clients with local touch-points, time-zone aligned collaboration, and familiar legal/regulatory frameworks.

12. BItcot

BitCot is a San Diego-based software development company with strong Ruby on Rails capabilities. They design, build, and maintain RoR web applications, marketplaces, web portals, APIs, and perform migration and performance tuning of Rails apps.

They are located in San Diego, California (Rancho Bernardo area) and serve US clients directly from this base, allowing for local collaboration, clear communication, and alignment with American business expectations.

13. Radixweb

Radixweb is a global custom software development company that provides enterprise-grade Ruby on Rails services. Their RoR offerings include building and scaling web and mobile applications, consulting, integrating third-party services, performance tuning, security enhancements, MVP development, CMS solutions, and Rails-based e-commerce platforms. They also work with best practices such as Agile development, clean and maintainable code, and using Rails’ ecosystem (RubyGems, API/REST designs etc.) to accelerate delivery and reduce costs.

In the US, Radixweb has several offices including Frisco, Texas, and Artesia, California, which serve as hubs for innovation, closer client engagement, and to align with American business and regulatory expectations.

14. JetBase

JetBase is a software development company offering Ruby on Rails among its core tech stack. They deliver full-RoR services including custom web app development, eCommerce, MVP building, migrations, API integration, and ongoing maintenance. Their approach emphasises speed, scalability, lean planning, clean code and guiding clients from planning through to post-launch support.

They are based in the United States with headquarters at 30 N Gould St, Sheridan, Wyoming.

15. Monterail

Monterail is a Poland-based software development agency with strong Ruby on Rails capabilities. Their team has delivered hundreds of web and mobile projects using RoR, often for fintech, e-commerce, proptech, wellness and other industries. They emphasise quality craftsmanship, clean code, maintainability, and long-term partnerships with clients around the world.

They do not currently list a US office or base of operations in the US. Their main development hub is in Wrocław, Poland, and they work with US clients remotely, aligning their working hours, processes, and communication to suit American market needs.

Why Hire One of the Best Ruby on Rails Development Companies in the U.S.?

There are plenty of development firms that promise world-class results, but too often they underdeliver—leaving businesses frustrated with missed deadlines, poor code quality, and wasted resources.

Your product deserves better. That’s why we’ve put together this list of the top Ruby on Rails development companies in the U.S.—to help you find a reliable partner that can bring your web application ideas to life.

If you’re serious about building scalable, high-performing applications with Ruby on Rails, choosing the right team is critical. The companies featured here have proven expertise, strong client relationships, and a track record of delivering results that last.

So if you’re interested in working with us, and having a free strategy call with our team to see if we’re a good fit, then get in touch with our Ruby on Rails development team today.

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