5 Top IT Outsourcing Companies in Vietnam

Vietnam’s tech sector has grown rapidly, with many top IT outsourcing companies in Vietnam offering incredible solutions. Its IT services market is projected at $2.07 billion in 2024, with a CAGR of 11.5% through 2026. The country boasts around 560,000 IT professionals and graduates roughly 60,000 new developers annually. This deep talent pool, combined with lower labor costs and strong government support for innovation, drives the industry’s expansion. For example, the government reports Vietnam’s digital economy now accounts for ~16.5% of GDP and grew about 20% per year as of 2023. Global rankings also highlight Vietnam’s rise – it was recently listed among the top IT outsourcing destinations worldwide.

Vietnam offers modern work environments and infrastructure that support global IT projects. Major cities like Ho Chi Minh City and Hanoi have world-class offices and connectivity, making collaboration smooth. These factors – a skilled workforce, competitive pricing, and strong digital infrastructure – explain why Western businesses turn to top IT outsourcing companies in Vietnam for their software and web development needs.

Leading IT Outsourcing Companies in Vietnam (2025)

1. FPT Software

FPT Software is the digital arm of FPT Corporation, Vietnam’s largest technology group. Founded in 1988, FPT Corp has grown into a $2.47 billion company (2024) and is the only Vietnamese IT firm on Fortune’s Southeast Asia 500 list. Its global workforce exceeds 80,000 employees. FPT Software specializes in enterprise digital transformation, offering services in cloud computing, AI, IoT, RPA and more. It delivers end-to-end solutions – from consulting and system integration to custom software and cybersecurity.

• Services: Custom software development, system integration, cloud and telecom solutions, AI/ML and RPA platforms, IoT and embedded systems, cybersecurity.
• Notable Projects/Clients: FPT has global clients across the US, Europe and Asia. For example, in 2025 it expanded a strategic AI partnership with GE HealthCare by opening an FPT competency center in Vietnam. In 2024 FPT secured large deals valued at $225M (US), $115M (Germany) and $110M (Singapore). Its clients include Fortune 500 companies in finance, automotive, healthcare and more.
• Key Strengths: Largest outsourcing provider in Vietnam – recognized as a “trusted IT leader” with innovative, end-to-end solutions. Strong global presence (offices in 25+ countries) and a proven track record in digital transformation. FPT’s scale (80K+ staff) and broad expertise let it handle projects of any size. It consistently ranks among Asia’s top IT service firms due to its large revenues and comprehensive offerings.

2. TMA Solutions

Founded in 1997, TMA Solutions is one of the top IT outsourcing companies in Vietnam. Over 27 years, it has built a team of ~4,000 engineers serving clients in more than 30 countries. TMA offers end-to-end IT services, from dedicated offshore development teams to full product engineering. Its developers work in Ho Chi Minh City, Hanoi and Da Nang, and the company has sales offices worldwide (including the US, Europe and Asia).

• Services: Full-cycle software development, QA and testing, embedded systems, IoT solutions, Cloud & DevOps, AI/ML, and IT consulting. TMA also provides R&D services and legacy system modernization.
• Notable Projects/Clients: TMA’s portfolio spans industries like finance, healthcare, retail and manufacturing. It has partnered with global brands in Europe and Asia, delivering custom applications and managed services. (For example, TMA frequently highlights long-term projects for clients in Japan and Germany.)
• Key Strengths: Deep experience (27+ years) and a large talent pool. Flexible engagement models (outsourced project teams or staff augmentation) and strong quality standards (e.g. CMMI/ISO certifications). TMA invests in training through its own TMA Academy, ensuring a continuous flow of skilled talent. Its longevity and scale make it a reliable partner for complex, long-term projects.

3. KMS Technology

KMS Technology is a US-based IT services company (headquartered in Atlanta) with award-winning development centers in Vietnam and Mexico. Founded in 2009, KMS has 500–1,000 employees globally. Its Vietnam operations (in Ho Chi Minh City and Da Nang) focus on custom software development and testing services for North American clients. KMS emphasizes quality assurance, DevOps and advanced technologies like AI.

• Services: Custom application development, software testing and QA, DevOps automation, cloud solutions (AWS/Azure), data analytics, and Salesforce/CRM consulting. KMS also offers cybersecurity and digital transformation advisory.
• Notable Projects/Clients: KMS is known for long-term engagements with leading US tech and healthcare firms. Its KMS Solutions subsidiary works closely with clients in financial services and high tech. (The company has won multiple “Atlanta’s Best and Brightest” awards, reflecting its strong project execution.)
• Key Strengths: Global footprint with local presence. KMS bridges US-based clients with top Vietnamese talent for nearshore development. It combines Western management practices with Vietnam’s cost advantages. KMS’s focus on testing and engineering excellence helps ensure high-quality deliverables. Its offices have won awards for workplace culture, making it attractive to top engineering talent.

4. Rikkeisoft

Rikkeisoft is one of the fast-growing top IT outsourcing companies in Vietnam. It has expanded rapidly – by 2024 it reached about 2,000 employees across Vietnam and overseas offices. In addition to its Hanoi headquarters, Rikkeisoft has branches in Ho Chi Minh City, Danang and Hue in Vietnam, plus offices in Japan (Tokyo, Osaka, Fukuoka), Thailand and the USA (Texas). It serves global clients in finance, education, retail and other sectors.

• Services: Custom web and mobile app development; enterprise software (ERP/CRM, e-commerce platforms); cloud and DevOps; embedded systems and IoT; AI/ML and data science solutions; UI/UX design; QA and testing. Rikkeisoft also specializes in blockchain development and digital payment solutions.
• Notable Projects/Clients: Rikkeisoft has completed over 1,000 projects for 500+ clients worldwide. Its portfolio includes large financial platforms in Japan, edtech apps, and ecommerce sites. The company has gained a reputation in Japan and Southeast Asia; it even established a U.S. subsidiary (RKTech, Texas) to serve American clients.
• Key Strengths: Rapid growth and regional expansion (entered Japan and Thailand markets early). High client retention – around 97% repeat business – reflects customer satisfaction. Strong technical capabilities in emerging tech (AI, blockchain) and strategic partnerships (e.g. recent partnership with Japanese Sumitomo). Rikkeisoft’s certified processes (ISO 9001, CMMI3) and innovation awards underscore its quality focus.

5. Designveloper

We are Designveloper, one of the top IT outsourcing companies in Vietnam. With over a decade of experience, we have grown to a team of 50+ developers and designers specializing in enterprise solutions. Our core strengths are in web applications, mobile apps, UI/UX design, VoIP and communication apps, as well as AI-driven tools and cybersecurity. We follow a systematic, agile approach to ensure high quality and cost-effective delivery for every project.

• Services: We offer end-to-end digital solutions – including custom web and mobile development, cloud integration, real-time communications (VoIP apps), and AI/ML integration. Our UX/UI experts ensure user-friendly designs, and we provide ongoing maintenance and DevOps support.
• Notable Projects/Clients: Our clients range from startups to established businesses. For example, we developed Lumin, a collaborative PDF document platform with cloud integration and secure e-signatures. We also built Bonux, a blockchain-powered crypto wallet app. In all projects, we act as a true partner, helping clients achieve their goals on time and budget.
• Key Strengths: As a Vietnamese team, we blend technical excellence with a strong commitment to customer service. We emphasize quality and innovation – for over 11 years we’ve delivered solutions that clients rely on. Our “customer satisfaction first” ethos means we maintain long-term partnerships. With Designveloper, you get a responsive, cost-effective outsourcing partner that already ranks among Vietnam’s top IT firms.

FURTHER READING:

1. 10 Best Web Development Companies in Germany

2. 10 Best Web Development Companies in Australia

3. 10 Best Mobile App Development Companies in Germany: An Expert Guide

Conclusion

Vietnam continues to stand out as one of the world’s most competitive and fast-growing IT outsourcing destinations. With a highly skilled talent pool, cost-effective service delivery, and strong digital infrastructure, the country offers excellent opportunities for Western companies looking to scale their tech capabilities.

The top IT outsourcing companies in Vietnam—including FPT Software, TMA Solutions, KMS Technology, Rikkeisoft, and Designveloper—have proven track records in delivering software solutions across various industries. Each firm brings distinct strengths, whether in scale, technical specialization, international presence, or innovation.

At Designveloper, we’re proud to be part of this dynamic ecosystem. Our mission is to help businesses worldwide transform their ideas into powerful digital products—while staying lean, agile, and reliable.

For companies exploring outsourcing to Vietnam, now is the ideal time to find a partner that understands your vision and delivers measurable results.