Top Ruby Development Companies in USA

Building dynamic and high-performing applications is easier with Ruby. Top Ruby development companies in USA provide expert solutions to improve business functionality and user engagement. Work with experienced Ruby developers to create scalable applications. Find the best Ruby development firms in USA for reliable support.
...Read Full Description
Review Star Image Review Star Image Review Star Image Review Star Image Review Star Image
4.9 out of 5, based on 335 real reviews.
info-icon

SelectedFirms reviews agencies and verifies client feedback to support informed decisions. Featured placements may compensate us.

Explore Reviewed Ruby Development Companies in the USA — Find Skilled Ruby Developers for Your Project

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

160 Companies

Filter by

  • USA

    close

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 20% Artificial Intelligence

  • 20% Web Design

Great software is made by great teams. We build both.

Test Double is a senior-level software consulting agency helping technology-driven organizations modernize systems, improve product performance, and scale engineering operations. We specialize in custom software development, legacy application modernization, DevOps transformation, Ruby and Rails upgrades, and full “team-in-a-box” product delivery. Unlike traditional consultancies, we embed directly with your team to identify root causes across the entire software development lifecycle—from architecture and code quality to delivery processes and team dynamics. Our focus is long-term maintainability, measurable ROI, and sustainable engineering practices—not quick fixes. We partner with technology and business leaders to build scalable, high-performing products, strengthen development teams, and create customer experiences that drive growth. At Test Double, we build the right solution—and we build it the right way.

View Test Double Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Westerville, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 20% Web Design

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

Making real world magic through game development

Dream Foundry Games is a full-service game development studio transforming bold ideas into high-impact digital experiences. With over a decade in operation and 45+ years of combined software engineering expertise, our team has delivered everything from immersive 2D and 3D games to complex industrial control systems. We provide end-to-end game development services, guiding clients through every phase of the production lifecycle: pre-production planning, game design, Unity development, art production, quality assurance testing, and successful game launch. Our structured, systems-driven approach ensures that gameplay mechanics, visual design, performance, and scalability work seamlessly together. By analyzing each project holistically—from concept to deployment—we create optimized, market-ready games tailored to your business goals. Whether you’re building a commercial entertainment title, a serious game, or an interactive training solution, Dream Foundry Games delivers innovative, technically robust products designed for long-term success.

View Dream Foundry Games Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$50,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Pittsburgh, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 10% IT Services

  • 10% Digital Transformation

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

Building what comes next

Giga IT is a global software development and IT talent partner helping organizations scale their technology capabilities through flexible engagement models. With more than 15 years of industry experience, we support companies across sectors including manufacturing, energy and oil, fintech, healthcare, and other innovation-driven industries. Through our nearshore delivery model, Giga IT connects world-class technology talent from Latin America with businesses across North America and Europe. Our teams provide expertise in custom software development, web and mobile application development, artificial intelligence, data science, robotics, computer vision, engineering design, UX/UI design, and quality assurance testing. We offer three scalable collaboration models designed to match different project needs. Our staff augmentation services allow companies to quickly add experienced developers or engineers to existing teams. For larger initiatives, we build fully agile dedicated development teams tailored to your project goals. We also deliver complete end-to-end software outsourcing, managing the full development lifecycle from concept to deployment. Businesses choose Giga IT for rapid onboarding, cost-effective development, and access to a network of more than 300 vetted engineers across 16+ technical specialties. With fluent English communication, time-zone alignment, and full HR and administrative management, we provide a seamless way to accelerate product development and drive digital innovation.

View GIGA IT Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Houston, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 20% Blockchain Development

  • 10% Artificial Intelligence

  • 10% Ecommerce Development

Your strategic Technology

Mangosoft is a global software development company delivering innovative, business-focused digital solutions that help organizations improve efficiency, reduce operational costs, and increase revenue. Our team specializes in enterprise software, web development, and mobile app development, supported by DevOps, cloud services, UX/UI design, quality assurance, and dedicated development teams. With 250+ successful projects delivered across 30+ countries, Mangosoft has built a strong reputation for reliability and technical excellence. Around 70% of our specialists are senior or mid-level professionals, ensuring high-quality execution for every project. Our client-focused approach has resulted in a 90% recommendation rate, with many businesses maintaining long-term partnerships that average more than three years. With offices in the USA and Eastern Europe, we combine global expertise with agile collaboration. At Mangosoft, we go beyond simple outsourcing—we act as a strategic technology partner, taking full responsibility for delivering scalable, high-performing digital products that drive measurable business results.

View MANGOSOFT Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Dover, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 10% Web Design

  • 10% Artificial Intelligence

  • 10% Digital Marketing

  • 10% Ecommerce Development

Form Follows Function

IMRepublic, founded in 2005 with offices in San Francisco, CA, and Belgrade, Serbia, is a full-stack software development and design agency delivering tailored digital solutions for businesses of all sizes. We specialize in custom software development, enterprise systems, and process optimization to help clients achieve measurable growth. Our client-focused approach combines assessment, design, development, and optimization. We collaborate closely with your team to align technology solutions with business goals, leveraging the latest globally-adopted frameworks and languages while respecting your existing infrastructure. From backend, frontend, and middleware development to complex enterprise integrations, our experienced team advises on the most efficient technology stack to maximize ROI. Whether you need custom software to solve unique business challenges or enhancements to existing systems, IMRepublic provides agile, reliable, and scalable solutions that drive results and streamline operations. We are committed to client success, delivering innovative, high-quality software that boosts performance and revenue.

View IM Republic, Inc Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

San Francisco, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 20% Web Design

  • 20% Cloud Computing Services

ENJOY THE JOURNEY TO YOUR SUAPPERNOVA

Attractor Software LLC is a custom software development company providing reliable outsourcing services since 2012. We deliver scalable, high-quality solutions for startups and enterprises, handling projects of all sizes—from data visualization tools and web applications to complex eCommerce platforms and fintech systems. Our core services include MVP development for startups, SaaS applications, fintech solutions, business intelligence systems, CRM/HRM platforms, social networks, and enterprise-grade eCommerce marketplaces. We also build navigation apps and innovative VR solutions for business use. With expertise across modern technologies such as React, Angular, Node.js, Python, Ruby on Rails, Golang, Laravel, and Flutter, we develop robust web and mobile applications tailored to your needs. Our team uses agile methodologies and industry-leading tools to ensure efficient project management, transparent communication, and timely delivery. Attractor Software focuses on delivering secure, scalable, and performance-driven digital products—helping businesses innovate, optimize operations, and achieve long-term success.

View Attractor Software LLC Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Los Angeles, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Digital Marketing

  • 20% Ecommerce Development

  • 20% Web Development

  • 20% CMS

High-impact SEO and performance marketing

This performance-focused digital agency harnesses the power of AEO (Answer Engine Optimization) to dramatically reduce customer acquisition costs by capturing high-intent traffic directly from AI-powered search results. As platforms like ChatGPT, Gemini, and Perplexity become primary discovery channels, brands that appear in AI-generated answers gain a decisive cost and conversion advantage over those still relying solely on traditional paid and organic search. This agency specializes in building the technical and content infrastructure that earns those coveted AI citations—structuring brand knowledge, optimizing for semantic relevance, and engineering content that AI models trust and reference. The result is a lower cost-per-acquisition, higher-quality lead pipeline, and stronger brand authority in the channels where your buyers are already looking for answers. For growth-stage companies and performance-oriented marketing teams tired of escalating CPC costs and diminishing paid media returns, this agency's AEO-first strategy offers a smarter, more sustainable path to profitable customer acquisition.

View GimmeGamma Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

Arlington, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Software Development

  • 20% Ecommerce Development

  • 20% Mobile App Development

  • 10% Web Development

  • 10% Web Design

  • 10% IT Services

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

Driven by technology, designed for people, built to last

We are a results-driven technology company based in California, specializing in cloud transformation, custom software development, and big data analytics. By combining advanced engineering with data-driven insights, we help businesses scale efficiently and achieve measurable growth. Our expertise spans cloud security, mobile app development (iOS & Android), software testing, and IT consulting. We also provide end-to-end cloud migration services and analytics solutions to optimize operations and drive informed decision-making. Focused on innovation and execution, we deliver scalable, secure, and high-performance digital solutions that empower businesses to stay ahead in a competitive marketplace.

View Jaxel Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Pleasanton, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Software Development

  • 25% Digital Marketing

  • 15% Web Development

  • 10% Web Design

  • 10% CMS

  • 10% Ecommerce Development

  • 10% Mobile App Development

Digital and E-Commerce Solutions

Ecommerce Inside is a full-service digital marketing and web development agency helping businesses strengthen their online presence and accelerate growth. Based in Karachi, Pakistan, the agency specializes in digital strategy, web development, social media marketing, content marketing, influencer marketing, online advertising, public relations, and creative design solutions. By combining data-driven insights with innovative marketing approaches, Ecommerce Inside helps brands generate qualified leads, increase customer engagement, and improve profitability. The team focuses on measurable results through customized KPIs, transparent reporting, and performance-focused campaigns. Their collaborative approach enables businesses to adapt to changing digital trends and achieve sustainable long-term success.

View Ecommerce Inside Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Belleville, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Software Development

  • 50% Digital Marketing

  • 20% Mobile App Development

  • 10% Web Development

  • 10% Web Design

Finally Get The Results You've Been Looking For

Central Florida Media Solutions (CFLMS) is a premier full-service digital marketing and design agency based in Central Florida, helping local and regional businesses build stronger online presences and achieve their growth objectives. The agency offers website design, SEO, social media management, and digital advertising services tailored to the unique needs of each client. With a strategic focus on improving search engine rankings and brand recognition, CFLMS serves businesses of all sizes across the Orlando metro and surrounding areas. The team's hands-on approach and in-depth understanding of the Central Florida market make them a trusted partner for businesses seeking customized digital solutions that drive real results.

View Central Florida Media Solutions Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Orlando, USA

Location
Pagination
1
2
3
4
Pagination

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.

why_companies_trust_sf_1

Human-verified companies

We manually review companies to ensure they meet our quality standards before they appear on the platform.

why_companies_trust_sf_2

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.

why_companies_trust_sf_3

Always up-to-date insights

We regularly refresh listings with new reviews, portfolio updates, and market changes to keep decisions relevant.

why_companies_trust_sf_4

Verified credibility signals

From verified badges to editorial reviews, we highlight companies that show real commitment to quality and transparency.

Scroll To Top