Top Software Development Outsourcing Companies And Services
Dominic Tarn
Head of Content - ReVerb
06.14.2024
This list compares top software development outsourcing companies for businesses that want to build custom software, extend their engineering teams or hand off full projects to an external partner.
When it comes to building custom software applications, many businesses choose to outsource the development work to specialized IT companies rather than gathering an in-house dev team.
Why? First of all, because of cost savings. Building a quality software product in-house can get extremely expensive. You have to hire and retain a scalable team, pay for various benefits and equipment, afford office space, and more.
But when you use software development outsourcing services, you bypass many of these heavy costs. The external vendor covers all office setup and recruitment fees.
What’s more, many software development companies are based in regions with lower living costs than major tech hubs. Thus, you can take advantage of the geographic cost arbitrage while still benefiting from working with a highly skilled global workforce.
On top of cost savings, outsourced software teams often have well-established development processes and strategies in place. With them by your side, you’ll hit the ground running and get to market faster. That’s what makes the outsourcing model a no-brainer for many organizations seeking fast, reliable, and cost-effective technological solutions.
In this article, we feature some of the top software development outsourcing companies from all around the world. Whether you’re a brand new startup or an established enterprise looking to scale, these firms will provide you with the first-class IT talent to take your software project from idea to reality in a record time.
Software Development Outsourcing Companies At A Glance
1. Company
Location
Services
1. DEV
Seattle, West Palm Beach, USA
Custom software development, IT staffing, web development
2. Kevych Solutions
Lviv, Ukraine
Mobile development, web development, MVP development
3. Kaizen Softworks
Montevideo, Uruguay
Custom software development, product discovery
4. Impekable
San Francisco, CA, USA
Software development, web app development, product design
5. 10Clouds
Warsaw, Poland
Software development outsourcing, web development
6. Sigma Software Group
Los Angeles, New York, Stockholm, Munich, Montreal and more
Established in 2008 as an onshore, nearshore, and offshore IT firm, Dev has evolved into the top software outsourcing company in the United States and gained recognition on the global stage. Today, their skillful team of over 250 experts provides technical support for multiple large-scale projects simultaneously, boasting hundreds of successfully delivered digital products.
Dev thoroughly evaluates each developer’s technical skills and experience before hiring them. This rigorous hiring process ensures that each specialist they bring on board has proven expertise in the specific industry and technology stack to work on a client’s outsourcing project effectively.
Their impressive portfolio and achievements speak louder than words — they’ve launched over 210 websites and web apps of different types and complexity, developed 150+ custom mobile applications, including one app (with 3M+ downloads) for Android & iOS, and implemented 24 scalable platforms for corporate and customer-facing projects with big data-powered integrated analytics. All these notable facts and rich history make Dev deservedly the best software development company on our list.
Services and expertise: custom software development, IT staffing, web development, mobile development, MVP development, SaaS development, API development, DevOps, QA & testing, project management
Founded in 2021, Kevych Solutions has quickly become a leading company in software outsourcing. Based in Lviv, Ukraine, this company specializes in providing comprehensive digital technology services — from mobile and web development to custom software solutions, each tailored to meet the distinctive demands of its clients. With five-star ratings on platforms like Upwork, Kevych Solutions is dedicated to delivering innovative, top-quality solutions that precisely align with client specifications, regardless of their industry, budget, or company size.
From defining the project’s core idea to design, implementation, testing, launch, and meticulous post-launch support, the company covers every phase of software development. With a team of expert developers, Kevych Solutions leverages customized technology stacks to adapt to each project’s specific technological needs. Whether you need an application integrating GPS and maps, a banking platform, or a system for managing rewards and loyalties, Kevych Solutions can handle different projects with expertise and precision.
Services and expertise: mobile development, web development, MVP development, SDK development, Software Quality Assurance testing, UX/UI design, hiring services
Kaizen Softworks, based in Uruguay, is a top software development outsourcing company known for delivering custom software solutions on time, within budget, and beyond quality expectations. Since 2014, their skilled team of designers, engineers, and scrum masters has been helping startups, small, and mid-sized US companies grow by turning business challenges into effective digital products.
With a partnership approach, Kaizen Softworks works closely with clients and truly cares about their long-term success. Their results speak for themselves, with many projects coming from referrals and an average partnership lasting five years. Recognized by top platforms like Goodfirms and Designrush, Kaizen Softworks is trusted for providing reliable nearshore software development services for businesses that value quality, commitment, and friendly collaboration.
Impekable is an award-winning software development company and full-service digital studio based in Silicon Valley. The expert team helps clients create engaging user experiences, interfaces and design systems that build customer loyalty. Impekable offers support from MVP design to full-lifecycle development, helping businesses bring their digital projects to life.
Impekable’s process starts by understanding the target users and the MVP concept, aligning their design with the client’s technology, branding, and goals. They then develop initial MVP design concepts based on UX, UI, and best practices, refining them through client collaboration until the final design meets all requirements.
With over 600 projects completed, 250 clients served, and partnerships with 10 Fortune 500 companies, Impekable is a trusted partner for digital transformation. Their user-focused and collaborative approach ensures that each project is effective, functional, and engaging, helping clients succeed in the digital landscape.
Services and expertise: software development, web app development, product strategy and delivery, app development, UX/UI design
10Clouds is a top IT software outsourcing company established in 2009. They have an ingenious team of over 200 experts who have worked with 500+ clients from around the world. Their main focus is building high-quality software applications using agile development methods. This means the company builds software in an iterative and flexible way.
10Clouds works with all types of clients, from single-person startups to giant corporations like Pinterest. What’s more, as a leading software outsourcing provider, it has in-depth expertise across many industries, including tech, gaming, education, and non-profits.
Services and expertise: software development outsourcing, web development, mobile development, design, testing, DevOps
Sigma Software is one of the best software development outsourcing companies in the world. It has been operating as a trusted IT partner since 2002. With over 22 years of global delivery experience, the firm is considered one of the top 100 outsourcing providers worldwide.
Sigma Software has a large team of over 2,000 IT experts working across 42 offices in 19 different countries spanning 4 continents. What sets them apart is their focus on value-adding services to their clients. They strive to make their clients’ business operations smarter and more innovative through the power of technology, bringing 50% development cost savings and launching scalable platforms as quickly as 6 months.
Services and expertise: web development, app development, UI/UX design, dedicated teams, DevOps, software testing, support & maintenance, CTO-as-a-service, ML development, AR/VR development
Inoxoft is an international software development outsourcing firm. Their certified developers specialize in the latest tech stacks being available for hire as a dedicated team covering projects from A to Z or based on a team extension model to allow clients to select solo workers.
With over 80 custom software projects completed at the highest level, Inoxoft has valuable experience and innovative ideas to bring to your project. Their strengths come from a strong workplace culture where skilled professionals unite to provide high-quality results.
Services and expertise: software development outsourcing, dedicated development teams, software product discovery, custom web development, custom mobile app development, MVP development, UI/UX design, AI development
Digiryte is a top web development outsourcing company that works with startups, SMBs, and established Fortune 500 corporations. The firm is a proud partner of several organizations and platforms, including Microsoft Azure, AWS, and Pro-Manchester.
Their team starts every project with a comprehensive planning phase led by experienced business analysts. This allows Digiryte to thoroughly understand the client’s current situation, identify pain points and goals, and clearly document requirements to deliver the product that not only meets but exceeds clients’ expectations.
Services and expertise: team augmentation, web development, mobile app development, MVP development, product design and prototyping, code and UX audit, ML/AI development
Founded by a team with deep experience in technology services, Tangonet Solutions builds and runs nearshore tech teams in Argentina for US companies. It primarily partners with small and mid-sized SaaS firms and systems integrators that need to quickly expand their engineering capacity without the high cost of hiring locally. Its main advantage is time-zone alignment: Argentine developers keep the same working hours as US teams, so clients get real-time collaboration instead of the overnight delays that often come with far-shore vendors, all supported by a US-based oversight team. Clients can also choose how they work with Tangonet, from Employer of Record to staff augmentation to a full agile team – depending on what each project needs.
Services and expertise: nearshore software development, staff augmentation, agile teams, Employer of Record, data engineering, DevOps, AI/ML development, Python development
Tech stack: Python, JavaScript, React, Node.js, AWS, Azure, and others
Location: Roswell (Atlanta), Georgia, USA; Argentina
Industries: SaaS, Technology, Telecommunications, Retail, Transport & Logistics
Clients: SaaS companies and systems integrators across the US
Orases is a superior IT company offering the best software outsourcing services in the USA. Their exceptional work has earned them recognition as one of the “Best and Brightest Companies” by the National Association for Business Resources.
Orases takes pride in being a 100% US-based company, never outsourcing any part of work to third-party vendors. With a net promoter score of 84, which is much higher than the industry average of 17, it’s clear that their customers are highly satisfied with their services.
Services and expertise: web development, mobile app development, UI/UX design, testing and QA, consulting and advisory, integration and modernization, ERP development, CRM development, data analytics and visualization
Tech stack: jQuery, React, Angular, Angular.js, PHP, Node.js, Python, Microsoft ASP, AWS, Microsoft Azure, Google Cloud, MySQL, Docker, Kubernetes, GitLab, Magento, Shopify, WooCommerce, Drupal
Location: Frederick, Washington, D.C., New York, Chicago, USA
Industries: Automotive, Construction, Energy & Utilities, Insurance, Media & Entertainment, Retail, Sports, Transportation & Logistics, Travel, Non-Profit
Clients: Fivestar, American Kidney Fund, National Public Radio, and others
Founded in 2004, ValueCoders has established itself as a top software outsourcing company, providing cutting-edge digital technology services to a diverse global clientele. With its headquarters in India, ValueCoders offers a broad spectrum of services, including software development, mobile and web app development, AI & machine learning solutions, and cloud computing. Recognized for its commitment to quality and customer satisfaction, the company has earned numerous accolades, consistently securing five-star ratings on platforms like Good Firms and Trustpilot. ValueCoders is dedicated to delivering high-quality, scalable, and innovative solutions tailored to meet clients’ specific needs across various industries.
ValueCoders supports clients throughout every stage of software development, from conceptualizing and designing to implementation, testing, deployment, and ongoing maintenance. With a team of highly skilled developers, designers, and quality assurance specialists, the company leverages the latest technology stacks to ensure each project aligns perfectly with the client’s vision and goals. Whether developing a complex enterprise application, crafting a user-friendly mobile app, or implementing AI-driven solutions, ValueCoders ensures precision and expertise in every project.
Services and Expertise: Software development, mobile app development, web app development, AI & machine learning, cloud computing, IT consulting, DevOps, UI/UX design, software testing & QA, MVP development, and dedicated development teams.
Tech Stack: JavaScript, TypeScript, React.js, Angular, Node.js, Python, Django, .NET, Java, Swift, Kotlin, Flutter, React Native, AWS, Azure, Google Cloud, Docker, Kubernetes, and more.
Location: UK, UAE, USA, Gurugram, Noida
Industries: Healthcare, Finance, Retail & eCommerce, Education, Travel & Tourism, Media & Entertainment, Real Estate, Automotive, Logistics, and others.
Clients: Capgemini, Estée Lauder, Sony, Veolia, Vodafone, Thomson Reuters, and many others.
Saritasa is one of the best software development companies that has been in business for almost two decades. During this time, they have successfully delivered remarkable 1,769 projects for their clients. With a team of 205+ dedicated professionals, the company is committed to ensuring the success of every project they undertake.
Being a highly reliable software outsourcing company, Saritasa has received acknowledgments from reputable organizations such as Inc. and Forbes Technology Council.
Services and expertise: dedicated teams, web development, mobile app development, custom software development, UI/UX design, software prototyping, 3D design, IoT solutions, DevOps
Merixstudio is a leading technology consulting firm that integrates strategy, design, and software engineering expertise to help businesses unlock new value from digital solutions. With over 20 years of experience in the global market, this top software outsourcing company builds a deep, holistic understanding of their clients’ businesses to deliver the best-fit software solutions.
The company has successfully implemented over 400 digital products for clients worldwide. The Merixstudio team comprises over 150 highly skilled and experienced professionals, all of whom are expert-level talents in their respective domains.
Services and expertise: web development, mobile development, discovery & analysis, product design, software modernization, cloud engineering, DevOps
CodeNinja is the top software development outsourcing company in Chile. Their strength is being involved in every step of a project — from initial ideas and design to building the software to ongoing support after launch. The CodeNinja team works 24/7.
The company has earned recognition and partnerships with prestigious organizations, including being an official member of the Forbes Technology Council, and an ISO 27001 certified provider for information security. CodeNinja also partners with leading technology companies like AWS, Google Cloud, Microsoft, and Adobe.
Services and expertise: outsourcing software development services, IT staff augmentation, dedicated software development team, software development, UX/UI design, cloud engineering, SaaS, PaaS, IaaS
Vention, a leading provider of software development outsourcing services, empowers businesses to innovate and scale with high-performance engineering teams. Whether you need to augment your current workforce or outsource an entire project, Vention offers flexible, tailored solutions to meet your unique needs.
Since its inception, Vention has helped companies worldwide accelerate their software development efforts by providing dedicated teams of skilled developers. Their expertise spans a wide range of industries, delivering cutting-edge solutions from custom software development to advanced product engineering.
With a focus on quality and efficiency, Vention ensures that each project is executed with precision, offering businesses the technical expertise they need to succeed in an ever-evolving digital landscape.
Services and expertise: software development outsourcing services, custom software development, IT staffing, web and mobile development, MVP development, SaaS development, API development, DevOps, QA & testing, project management
Django Stars is a mono-stack Python-focused software outsourcing provider with a customer satisfaction rating of 4.8. They build long-lasting relationships with their clients, working with them for an average of 3.2 years.
The fact that their clients have raised over $1 billion in funding after launching digital products with Django Stars speaks volumes about the quality of their services. Although the company operates globally, the USA, UK, Switzerland, and MENA (Middle East and North Africa) are its target areas.
Services and expertise: custom software development, team extension, IT consulting & advisory, ML and AI services
Red Stag Labs is a software development and ERP solutions company focusing on creating customized, high-performance software that meets clients’ unique requirements. Specializing in custom software development, including web and mobile development, ERP, AI-driven solutions, and data engineering, Red Stag Labs supports businesses in leveraging technology to streamline operations, enhance customer experiences, and drive growth. They employ agile methodologies, ensuring efficient project delivery while maintaining flexibility for various project durations and complexities.
Their data engineering services are particularly focused on transforming business data into actionable insights, enabling companies to make informed decisions. Additionally, Red Stag Labs offers advanced SEO and link-building strategies to enhance online visibility, helping clients increase organic traffic and improve search engine rankings. Their experienced teams, with over a decade of expertise, stay updated on technology trends, delivering secure, high-quality products within strict deadlines.
Red Stag Labs emphasizes customer satisfaction, which is demonstrated by positive testimonials from clients across various sectors. They provide dedicated project teams to tailor solutions closely aligned with clients’ objectives. With a strong commitment to innovation, efficiency, and accountability, Red Stag Labs establishes itself as a reliable partner for businesses looking to adopt cutting-edge software and IT solutions.
Services and expertise:custom software development, ERP solutions, AI-driven automation, data engineering services
CONTUS Tech, headquartered in Chennai, India, is a leading software development outsourcing company that specializes in full-stack digital engineering and SaaS product development. Since 2008, they’ve empowered startups, enterprises, and Fortune 500 companies with cutting-edge digital solutions, consistently delivering high-quality products on time and within budget.
Backed by a 350+ member team of engineers, designers, and solution architects, CONTUS Tech takes a product-first approach to solving complex business challenges. Their agile delivery model and strong domain expertise have led to long-term partnerships across 40+ countries, with clients often returning for newer projects or expanded support. With recognition from global platforms like GoodFirms, CONTUS Tech stands out for its commitment to innovation, scalability, and seamless collaboration.
Location: Chennai, India (with offices in the USA & UAE)
Industries: Video streaming, Logistics, Automotive, Communication, Retail, Healthcare
Clients: Amazon, Hyundai, Daimler, JLL, Accenture, Mahindra, and others
Software Outsourcing Engagement Models
Outsourcing companies usually offer several ways to work together. Choosing the right model matters as much as choosing the right vendor:
Project-based outsourcing: The vendor delivers a defined project end to end, often on a fixed price or milestone basis.
Dedicated team: A full team works only on your product under your direction, billed monthly.
Staff augmentation: Individual engineers join your in-house team to fill skill gaps or add capacity.
Time and materials: You pay for actual hours and resources, which suits products with changing requirements.
Nearshore and offshore delivery: Nearshore teams share similar time zones, while offshore teams in more distant regions can offer a wider talent pool.
Outsourcing Partners By Tech Stack
Stack fit often matters more than company size when you outsource. These groupings use only the technologies each entry states.
Python: DEV, 10Clouds, Sigma Software Group, Inoxoft, Digiryte, Tangonet Solutions, Orases, ValueCoders, Saritasa, Merixstudio, CodeNinja, Vention and Django Stars. Of these, 10Clouds, ValueCoders, Saritasa, CodeNinja and Django Stars also list Django, and Merixstudio lists FastAPI.
JavaScript and TypeScript: Kevych Solutions and ValueCoders list both, and Sigma Software Group and Tangonet Solutions list JavaScript. Most entries also list React or Node.js.
.NET and Java: Inoxoft, ValueCoders and Saritasa list .NET, while DEV, Sigma Software Group, Digiryte, ValueCoders and Vention list Java.
Native mobile: Kevych Solutions, 10Clouds, Digiryte and Saritasa list Swift and Kotlin, and Inoxoft and Django Stars list iOS and Android.
Software development outsourcing means hiring an external company to design, build, test or maintain software instead of doing all of it in-house. Businesses outsource to access specialist skills, add capacity quickly or control costs. The work can cover a whole project or support an existing internal team.
How do software outsourcing companies charge?
Most outsourcing companies charge on a time and materials basis, a fixed price for a defined scope, or a monthly fee for a dedicated team. Rates vary with the location of the team, seniority, technology stack and length of the engagement. Ask for a breakdown by role and phase so you can compare proposals fairly.
Which countries are best for outsourcing software development?
Popular destinations include Eastern and Central Europe (such as Poland and Ukraine), Latin America (such as Argentina, Uruguay and Mexico) and India. Nearshore regions offer closer time zones for US or European clients, while offshore regions often offer larger talent pools. The best choice depends on your budget, collaboration needs and required skills.
Which software outsourcing companies specialize in Python development?
On this list, Django Stars lists Python and Django in its stack, and Tangonet Solutions lists Python as a service line. 10Clouds, ValueCoders, Saritasa and CodeNinja list Django alongside Python, and many other entries include Python within a broader stack. Ask for Python case studies similar to your project before you shortlist.
Are there software development outsourcing companies based in the USA?
Yes. On this list, DEV (Seattle and West Palm Beach), Impekable (San Francisco), Orases (Frederick, Washington, D.C., New York and Chicago) and Saritasa (Chicago, Dallas, New York and Tampa) are US-based. Tangonet Solutions is based in Roswell, Georgia with developers in Argentina, and Inoxoft lists a Philadelphia office alongside Tallinn and Lviv. US-based vendors can simplify contracting and time zone overlap, while teams abroad can stretch a budget further.
The software development outsourcing market is vast and filled with numerous adept companies offering a wide range of services. So, take the time to explore the best software development outsourcing firms we’ve highlighted and find the perfect fit for your project needs.
If you want to feature your software development firm on this list, email us or submit a form in the Top Choices section. After a thorough assessment, we’ll decide whether it’s a valuable addition.
