Custom software is becoming more important for businesses of all sizes today. Off-the-shelf tools can only go so far, and that’s why many companies now need solutions that are built specifically for their workflows, customers, and their specific goals.
This is exactly where custom software development companies can help. These companies design and build software tailored specifically to your business needs.
And in 2026, the demand for custom software is growing even faster, especially with the rise of AI, cloud platforms, and data-driven decision-making.
So, in this article, we’ll be exploring some of the best custom software development companies: Forte Group, EPAM Systems, and Thoughtworks.
What Are Custom Software Development Companies and How Do They Help?
We already established that custom software development companies build software that is tailored specifically to your business needs.
Instead of using generic tools, with these companies, you can get:
- Software built around your workflows
- Better performance and scalability
- More control over features and data
- A solution that can grow with your business
They also usually help with things like:
- Product design and strategy
- Software development and engineering
- Cloud infrastructure and DevOps
- AI and data integration
- Ongoing support and maintenance
For businesses, this usually means more efficiency, better user experience, and a stronger competitive advantage in today’s market.
Top Custom Software Development Companies in 2026
Based on these criteria, we selected three companies that deliver real value, not just code. So, let’s explore them and what they have to offer one by one.
1. Forte Group
Forte Group is an AI-first product development company that works with enterprise clients to design, build, and operate custom software. The company focuses on embedding AI across the full software lifecycle, from strategy to deployment.
Key Services
- Custom software development
- AI product development
- Data and analytics
- Cloud engineering and DevOps
- Application modernization
- Quality engineering and testing
Strengths
- AI-first approach
Forte Group focuses on integrating AI into software products and into development processes. It helps businesses move from experimentation to actual production systems.
- Full product lifecycle support
The company doesn’t just build software. It also helps design, develop, and operate the developed products over time.
- Strong enterprise experience
With over 400 projects and long-term partnerships, Forte Group has a solid track record working with large organizations.
- Focus on measurable outcomes
Their case studies also show great results like cost savings, faster deployment, and improved performance.
- Wide industry coverage
Forte also works with companies from different industries, including healthcare, fintech, logistics, and SaaS.
Limitations
- May be more complex for companies looking for simple projects
Best For
Enterprise companies that want AI-powered custom software and long-term product development support.
2. EPAM Systems
EPAM Systems is a global software engineering company that is known for delivering large-scale digital products and platforms for enterprises.
Key Services
- Custom software development
- Digital platform engineering
- Cloud and DevOps
- Data and AI solutions
- Product design and consulting
Strengths
- Global scale and experience
EPAM has thousands of engineers worldwide and works with large global brands.
- Strong engineering capabilities
The company is known for its high-quality software engineering and complex system development.
- Wide range of services
EPAM covers the full software lifecycle from consulting to development and even maintenance.
- Experience across industries
EPAM also works with different companies in industries like finance, healthcare, retail, and technology.
Limitations
- Typically more expensive than smaller development firms
- Better suited for large-scale projects
- May not be ideal for startups or small businesses
Best For
Large enterprises that need scalable, complex software systems.
3. Thoughtworks
Thoughtworks is a global technology consultancy that focuses on custom software development, digital transformation, and modern engineering practices.
Key Services
- Custom software development
- Technology consulting
- Cloud and platform engineering
- Data and AI solutions
- Agile and DevOps transformation
Strengths
- Strong focus on innovation
Thoughtworks is known for adopting modern technologies and development practices early.
- Consulting + engineering approach
The company combines strategy, design, and engineering in one single service.
- Agile expertise
Thoughtworks has been a leader in agile software development practices.
- Global presence
Works with large companies around the world.
Limitations
- Higher pricing compared to smaller firms
- Focuses mainly on enterprise clients
- May be too complex for simple projects
Best For
Companies undergoing digital transformation or building modern software platforms.
Side-by-Side Comparison
To help visualize the key differences between these three companies, here’s a quick comparison table:
| Feature | Forte Group | EPAM Systems | Thoughtworks |
| Best For | Enterprise AI software | Large enterprise projects | Digital transformation |
| Team Size | 800+ employees | 50,000+ employees | 10,000+ employees |
| AI Capabilities | Strong focus | Strong | Strong |
| Custom Development | Yes | Yes | Yes |
| Industry Focus | Healthcare, fintech, SaaS | Multiple industries | Multiple industries |
| Approach | AI-first product development | Engineering-focused | Consulting + engineering |
Conclusion
Custom software is no longer optional for many businesses. It’s a key part of staying competitive.
Forte Group stands out with its AI-first approach and strong focus on building and operating real products. EPAM Systems is a powerful option for large-scale engineering, while Thoughtworks can help with digital transformation and modern development practices.
Of course, the best choice depends on your business goals, but all three companies offer strong capabilities for building custom software in 2026.
