Top Ruby Development Companies in USA
SelectedFirms reviews agencies and verifies client feedback to support informed decisions. [How SelectedFirms Ensures Trust]
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 Ruby Development Agencies and Ruby Developers in USA
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
163 Companies
Filter by
-
USA
0.0 (0 Reviews)
6
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
6
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Building beautiful software through collaboration with you
Simple Thread specializes in digital transformation solutions for the electric utility and energy sectors, helping organizations navigate complex challenges through human-centered software design. For over a decade, we’ve partnered with utilities to optimize capacity planning, forecasting, team management, and data visualization, delivering solutions that improve efficiency and decision-making. Our team thrives in highly regulated industries, providing expertise that ensures regulatory compliance while designing software that empowers employees and enhances operational workflows. We understand that in the energy sector, meeting industry standards is not optional—it’s critical for long-term success. At Simple Thread, we believe software is about people, not just code. Our approach emphasizes user research, human-centered design, and iterative development, ensuring that each product addresses real user needs and drives measurable business impact. By asking the right questions and challenging assumptions, we deliver software that is intuitive, effective, and sustainable. From UX/UI design and software engineering to DevOps and product strategy, our multidisciplinary team collaborates closely with clients to build reliable, high-performing digital solutions. Since 2010, Simple Thread has helped dozens of partners design, develop, and operate enduring digital products that stand the test of time—combining technical excellence with user-focused innovation. Partner with Simple Thread to transform your utility operations with software that works for people and business alike.
View Simple Thread Profile
$150-$199/hr
$50,000+
10 - 49
Glen Allen, USA
0.0 (0 Reviews)
0.0 (0 Reviews)
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
Engineering World-Class Software. Powered by Product -First Approach.
Ardellion is a software development company specializing in scalable digital products and custom software solutions. Backed by proven SaaS engineering expertise, the team delivers innovative, high-performance applications that help businesses accelerate growth, optimize operations, and achieve long-term success through reliable, product-focused technology.
View Ardellion Profile
$50-$99/hr
$10,000+
10 - 49
Tampa, USA
0.0 (0 Reviews)
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
Top-Tier Software Development Company
Mind Studios is a global custom software development company delivering end-to-end digital product engineering—from rapid MVP development to complex, enterprise-grade systems. We help startups, scale-ups, and established enterprises innovate, integrate new technologies, and scale operations with confidence. Our services span the full product lifecycle, including business analysis, product discovery, UI/UX design, software architecture, web and mobile development, QA, and post-launch support. Companies can hire dedicated developers or build full-cycle offshore development teams tailored to their long-term growth strategy. With extensive experience across the US, Europe, China, and the Middle East, we understand regional market dynamics and compliance requirements. We specialize in Delivery & Logistics, Real Estate & Construction, Health & Fitness, Wellness & Meditation, and Entertainment—building secure, scalable, and high-performance software solutions that drive measurable business results.
View Mind Studios Profile
$25-$49/hr
$10,000+
50 - 249
Fairfax, USA
0.0 (0 Reviews)
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
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
$150-$199/hr
$25,000+
50 - 249
Westerville, USA
0.0 (0 Reviews)
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
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
$50-$99/hr
$50,000+
10 - 49
Pittsburgh, USA
0.0 (0 Reviews)
0.0 (0 Reviews)
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
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
$50-$99/hr
$10,000+
50 - 249
Houston, USA
0.0 (0 Reviews)
0.0 (0 Reviews)
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
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
$25-$49/hr
$10,000+
50 - 249
Dover, USA
Need help choosing a company?
Share your project requirements and we’ll connect you with the best-matched ruby development companies – for free.
Get Matched Now
-
100% Free
No obligation and no hidden fees -
100% Free
No obligation and no hidden fees -
100% Free
No obligation and no hidden fees
0.0 (0 Reviews)
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
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
$50-$99/hr
$5,000+
10 - 49
San Francisco, USA
0.0 (0 Reviews)
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
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
$25-$49/hr
$10,000+
10 - 49
Los Angeles, USA
0.0 (0 Reviews)
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
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
N/A
$5,000+
2 - 9
Arlington, USA
0.0 (0 Reviews)
0.0 (0 Reviews)
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
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
$50-$99/hr
$5,000+
50 - 249
Pleasanton, USA
0.0 (0 Reviews)
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
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
N/A
$1,000+
10 - 49
Belleville, USA
0.0 (0 Reviews)
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
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
N/A
$1,000+
10 - 49
Orlando, USA
Need help choosing a company?
Share your project requirements and we’ll connect you with the best-matched ruby development companies – for free.
Get Matched Now
-
100% Free
No obligation and no hidden fees -
100% Free
No obligation and no hidden fees -
100% Free
No obligation and no hidden fees
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.
