Top Custom Software Development Companies
- Leanware Editorial Team
- Apr 16
- 8 min read
Updated: May 5
TL;DR: The top custom software development companies in 2025 are Leanware, Instinctools, Itransition, Kanda Software, and others. Choose based on expertise, team structure, and proven delivery.
Rates vary. Latin America, e.g., Colombia, offers engineers at $25 -$49/hr. Good mix of quality and cost.
In this guide, we’ve listed the top custom software companies you can actually hire, no sponsorships. All were picked based on Clutch reviews and real project data. Let’s take a look.
What is a Custom Software Development Company?
A custom software development company builds software customized to your needs. These teams design systems from the ground up to solve real problems - like automating workflows, integrating platforms, or launching new products.
They handle the full process: from understanding your needs to design, development, testing, and support. The focus is on building software that actually fits how your business runs.
Benefits of Custom Software Solutions
Custom software works the way your business works. You don’t have to adapt to the tool - it adapts to you.
Important benefits are:
Fits your exact needs - no bloat, no gaps
Scales easily as your team or product grows
Integrates with your existing systems
You control it - no license fees or vendor lock-in
Security is built for your context
Gives you an operational edge over competitors using generic tools
How to Select the Best Custom Software Development Firms?
Choosing the right partner impacts the project. It’s more than development - domain knowledge, communication, and delivery matter. These are what you should look for:
1. Industry Experience and Expertise
A solid track record in your industry helps avoid guesswork. Developers familiar with healthcare, finance, or logistics understand the regulations, data structures, and edge cases.
That means faster ramp-up, smarter decisions, and fewer risks.
Look for companies that have built-in your space before - they’ll understand the language, risks, and priorities.
2. Client Testimonials and Case Studies
Case studies show how a team thinks and solves problems. Look for real examples: what the challenge was, how they approached it, and what the outcomes were.
Testimonials can also give you a hint of how they communicate, stay on schedule, and support clients after launch.
3. Technical Expertise and Innovation
Remember, good firms don’t just build - they design for the long run. They use modern frameworks, implement CI/CD, automate testing, and follow scalable architecture patterns.
It’s a bonus if they can handle advanced needs like AI, system integration, or real-time analytics. Flexibility with tools and infrastructure matters just as much as technical depth.
Top Custom Software Development Companies in 2025
# | Company | Headquarters | Pricing | Clutch Rating |
1 | Leanware | Bogotá, Colombia | $25-$49/hr | 5.0 (18 reviews) |
2 | Instinctools | Stuttgart, Germany | $25- $49/hr | 4.6 (27 reviews) |
3 | Itransition | Denver, CO, USA | Undisclosed | 4.9 (39 reviews) |
4 | Kanda Software | Newton, MA, USA | $50-$99/hr | 4.9 (16 reviews) |
5 | Oxagile | New York, NY, USA | Undisclosed | 5.0 (10 reviews) |
6 | Andersen | Warsaw, Poland | $50-$99/hr | 4.9 (124 reviews) |
7 | Profil Software | Gdynia, Poland | $25-$49/hr | 4.9 (18 reviews) |
8 | Saigon Technology | Ho Chi Minh City, Vietnam | $25-$49/hr | 4.8 (9 reviews) |
9 | Tensorway | Alicante, Spain | $50-$99/hr | 5.0 (unlisted) |
10 | Binary Studio | L'viv, Ukraine | $50-$99/hr | 4.9 (unlisted) |
1. Leanware
Leanware builds AI-driven custom software with a focus on user experience, performance, and reliability. Their team works with modern stacks to deliver scalable web and mobile apps.
They also support companies through flexible engagement models, from staff augmentation to full-cycle product teams.
Feature | Details |
Founded | 2020 |
Headquarters | Bogotá, Colombia |
Team Size | 10 - 49 employees |
Pricing | $25 - $49/hr |
Min. Project Size | $25,000+ |
Average Rating | 5.0 / 5 (Based on 18 Clutch reviews) |
It operates as a US-registered company with engineering teams in Latin America. This gives you cost efficiency and legal peace of mind. It has well-experienced developers in AI development, cloud-based platforms, and system integration.
Most of their clients stay for the long term, with projects averaging over two years. The company’s structure allows you to scale up quickly, whether you need a few engineers or a fully autonomous team.
Services: Gen AI Consulting, Custom Software Development, IT Staff Augmentation, Mobile App Development, UI/UX Design, Web Development.
Industries: Business Services, Financial Services, IT, Healthcare, E-commerce, Manufacturing.
2. Instinctools
Instinctools helps you build custom software with expertise in system modernization, scalable architecture, and AI integration.
They’ve been around since 2000, and their model is mainly around dedicated teams that handle everything from product design to enterprise deployment.
Feature | Details |
Founded | 2000 |
Headquarters | Stuttgart, Germany |
Team Size | 250 - 999 employees |
Pricing | $25 - $49/hr |
Min. Project Size | $10,000+ |
Average Rating | 4.6 / 5 (Based on 27 Clutch reviews) |
They deliver through in-house engineers across Poland, India, LATAM, and Kazakhstan. You also get US and German points of contact, which makes coordination easier if you're based in North America or Europe.
Services: Custom Software Development, Web Development, AI Development, E-Commerce Development, Enterprise App Modernization, IT Strategy Consulting.
Industries: Automotive, Education, Financial Services, Information Technology, Manufacturing, Medical.
3. Itransition
Itransition has been in software development for over two decades. If you’re dealing with enterprise-level complexity or long-term product builds, they’re one of the bigger names to consider.
They mainly focus on custom builds, AI, cloud, ERP integration, and low-code systems.
Feature | Details |
Founded | 1998 |
Headquarters | Denver, CO, USA |
Team Size | 1,000 – 9,999 employees |
Pricing | Undisclosed |
Min. Project Size | $25,000+ |
Average Rating |
Services: Custom Software Development, AI Development, BI & Big Data Consulting, Cloud Consulting, E-Commerce, ERP Consulting, IoT Development, Low-Code/No-Code.
Industries: IT, Business Services, Financial Services, Media, Medical, Retail, Telecommunications, Consumer Products.
4. Kanda Software
Kanda Software has over 30 years of experience in software development, including SaaS, mobile, and on-premises solutions. They have expertise in providing customized, client-specific teams and methods to fulfill specific requirements.
Feature | Details |
Founded | 1993 |
Headquarters | Newton, MA, USA |
Team Size | 250 – 999 employees |
Pricing | $50 – $99/hr |
Min. Project Size | $100,000+ |
Average Rating | 4.9 / 5 (Based on 16 Clutch reviews) |
Their two-shore model enables US-based management with technical teams in Europe and Latin America. They are also known for high-quality work, strong communication, and flexibility.
Services: Custom Software Development, Software Design & Architecture, Cloud Engineering, Cloud Migration, Business Intelligence, Data Analytics, Legacy Software Modernization, Application Security, DevOps, AI Services, Maintenance & Support, Software QA.
Industries: Medical, IT, Advertising & Marketing, Financial Services, Real Estate.
5. Oxagile
Oxagile is a custom software development company best known for its work in Video Streaming, AdTech, EdTech, AI, and Data Intelligence. Since 2005, they have delivered over 450 successful projects across industries, such as media, advertising, e-commerce, and IT.
Feature | Details |
Founded | 2005 |
Headquarters | New York, NY |
Team Size | 250 – 999 |
Pricing | Undisclosed |
Min. Project Size | Undisclosed |
Average Rating | 5.0 / 5 (10 reviews) |
Their clients include major companies like Google, Disney, and Vodafone. They are known for being flexible, delivering projects on time, and providing high-quality outcomes.
Services: Custom Software Development, AI Development, Mobile App Development, IT Staff Augmentation, UX/UI Design, API Development, Cybersecurity, DevOps Managed Services.
Industries: Advertising & Marketing, Media, Retail.
6. Andersen
Andersen is a large software development company with over 3,500 engineers, QA specialists, and analysts. They've been around since 2007 and have provided enterprise-scale projects for clients like Siemens, Ryanair, S&P Global, and Johnson & Johnson.
Feature | Details |
Founded | 2007 |
Headquarters | Warsaw, Poland |
Team Size | 1,000 – 9,999 |
Pricing | $50 – $99 / hr |
Min. Project Size | $50,000+ |
Average Rating | 4.9 / 5 (124 reviews) |
You can bring them in to build a full product or to support your internal team. They’re known for getting started quickly, usually within two weeks.
Services: Custom Software Development, Mobile App Development, IT Managed Services, AI Development, Blockchain, UX/UI Design, DevOps.
Industries: Finance, Healthcare, Logistics, IT, eCommerce.
7. Profil Software
Profil Software is a Python development company based in Poland. They’ve been around since 2008 and have deep backend expertise with Django, Flask, and FastAPI.
Their team includes 50+ in-house developers and supports startups and SMBs across four continents.
Feature | Details |
Founded | 2008 |
Headquarters | Gdynia, Poland |
Team Size | 10 – 49 |
Pricing | $25 – $49 / hr |
Min. Project Size | $10,000+ |
Average Rating | 4.9 / 5 (18 reviews) |
If you're looking for a reliable team to take care of the tech side so you can focus on the business, they’re the best choice.
Services: Custom Software Development, Web Development, AI Development, Mobile App Development.
Industries: Energy, Finance, Healthcare, Real Estate, Logistics.
8. Saigon Technology
Saigon Technology is a Vietnam-based software development company with teams in Ho Chi Minh City and Da Nang.
They’ve been around since 2012 and have grown to over 400 engineers. You’ll also find offices in the U.S., Australia, Switzerland, and Singapore - useful if you're looking for regional support.
Feature | Details |
Founded | 2012 |
Headquarters | Ho Chi Minh City, Vietnam |
Team Size | 250 – 999 |
Pricing | $25 – $49 / hr |
Min. Project Size | $10,000+ |
Average Rating | 4.8 / 5 (9 reviews) |
They have expertise in custom software development, offshore team setups, and staff augmentation. Their teams work in Agile, and they’re ISO 9001 and ISO/IEC 27001 certified.
Services: Custom Software Development, Mobile App Development, Web Development, AI Development, Enterprise App Modernization, IT Managed Services.
Industries: Finance, Healthcare, Retail, Automotive, GIS, Business Services.
9. Tensorway
Tensorway is a Spain-based AI development company working out of Alicante. Founded in 2019, they focus entirely on building applied AI solutions.
Their team falls in the mid-size range and handles everything from ML models to full-scale generative AI systems.
Feature | Details |
Founded | 2019 |
Headquarters | Alicante, Spain |
Team Size | 50 – 249 |
Pricing | $50 – $99 / hr |
Min. Project Size | $10,000+ |
Average Rating | 5.0 / 5 |
Most of their projects involve machine learning, computer vision, NLP, or generative models. You can also bring them in early for AI consulting or audits before you commit to development.
Services: AI Development, Machine Learning, NLP, Generative AI, Computer Vision, AI Consulting, AI Chatbots, Custom AI Agents
Industries: Finance, Healthcare, Education, Real Estate, Retail, Hospitality
10. Binary Studio
Binary Studio has been building software for startups and SMBs since 2005. Based in L'viv, Ukraine, they offer you teams with experience across Eastern Europe, Latin America, and Asia.
They have expertise in developing MVPs and full-scale products, with custom-trained development teams that ramp up quickly.
Feature | Details |
Founded | 2005 |
Headquarters | L'viv, Ukraine |
Team Size | 50 – 249 |
Pricing | $50 – $99 / hr |
Min. Project Size | $25,000+ |
Average Rating | 4.9 / 5 |
Services: Custom software development, mobile app development, web development, IT staff augmentation, QA, DevOps
Industries: Healthcare, real estate, education
Your Next Step
So, before you begin your search for the perfect development partner, you need a methodical approach. Ensure you move through these steps:
Define requirements: Document business objectives and technical needs.
Set budget: Plan for both development and ongoing maintenance.
Create a shortlist: Select 3-5 companies matching your needs.
Request proposals: Compare approaches, timelines, and costs.
Interview technical leads: Assess expertise and communication.
Check references: Talk to past clients about their experience.
Start small: Begin with a pilot project to test the relationship.
If you have any questions or need guidance selecting the right partner, contact our experts for a personalized consultation.
Happy searching!
Frequently Asked Questions
How Much Does it Cost to Develop Custom Software?
Most custom builds range from $25,000 to $100,000, depending on complexity, features, and team size. Rates vary by region. Latin America, especially Colombia, offers strong development talent at $25-$49/hr, which makes it a cost-effective option.
