5 Best Application Modernization Companies in 2025
December 9, 2024•4 min read
Outdated applications can hold your business back, making it harder to compete in today's fast-paced world.
The solution? Application modernization. Upgrading your software to align with industry standards gives you smoother performance, improved retention, and a better user experience. But to achieve these results, you need the right partner by your side — an experienced team that specializes in breathing new life into old systems.
If you choose the right application modernization company, you will get the help you need to upgrade your product and, in doing so, safeguard your business's future.
To help you choose, I have created a list of the best application modernization agencies. My selection is based on these factors:
- 20+ Reviews on Clutch;
- Company size from 10 to 49 people;
- No less than a 4.8 rating on Clutch.
Before adding companies to this list, I verified that they have the necessary skills and resources to manage complex projects. I also checked clients' feedback from application modernization projects to help you find companies that meet your requirements fast and easy.
5 Top Application Modernization Agencies in the World
- The Frontend Company — Best for Application Modernization
- Accelerance — Best for Global Talent and Consulting
- AppIt Ventures — Best for Custom Software Solutions
- Tepia — Best for Innovative and Scalable Solutions
- Mystic Media — Best for App Development
Here's a shortlist of some of the best application modernization vendors in the world, considering various budget ranges.
The Frontend Company — Best for Application Modernization
The Frontend Company is my agency, and our main advantage over the other companies on this list lies in our laser focus and niche ability. While others offer a wide range of services in software development, we concentrate exclusively on application modernization. This allows us to deliver faster, higher-quality results for each client's needs.
Transparency and honesty are our core values — no matter how challenging the conversation, we prioritize trust and delivering real, measurable value.
The Frontend Company is the application modernization company you can trust. Contact us today to start your modernization and ensure your business is future-proof.
The Frontend Company's client list includes:
- Shopify
- Deloitte
- Tracesafe
- SkillDirector
- Leafworks
- BringLiesel
- Quik
- Carmen
We provide a range of app modernization services, including UI/UX modernization, code refactoring, and legacy system reengineering. Our approach is highly versatile, and we can support even the most complex and unique cases. We ensure that every business keeps its profit and gets the best solution for its needs.
Accelerance — Best for Global Talent and Consulting
Accelerance is a global software outsourcing company that unlocks international potential through expert matching, strategic coaching, and direct project delivery. What truly sets them apart is their ability to pair you with the right development team tailored to your specific needs. While Accelerance doesn't directly handle app modernization, they excel at connecting you with top-tier companies that specialize in delivering these services at the highest level.
Key services offered by Accelerance include:
- Cloud App Modernization
- Database Design & Development
- Mobile Application Development
- Product Management
- Software QA & Testing
With 30,000+ developers and 250+ qualified partners in 15+ time zones, they can find you the ideal partner. Today, they offer the most expert guidance anywhere for planning, sourcing, and managing global teams at the rapid speed of digital change.
AppIt Ventures — Best for Custom Software Solutions
AppIt Ventures is an international app development company with deep expertise in product design, software development, and legacy system updates. AppIt is not only a woman-owned business but is recognized as the #2 rated woman-owned tech company in the world. In addition, they have been ranked in the top 10% of app developers globally.
Their range of services is truly vast and includes:
- Legacy System Upgrades
- Code Reviews
- Web Apps
- Mobile Apps
- Custom Software
AppIt Ventures' focus on quality and results-driven mindset has earned them a 5-star rating on platforms like Clutch. Whether you are modernizing a SaaS platform or a legacy enterprise app, they've got you covered.
Tepia — Best for Innovative and Scalable Solutions
Tepia is a mobile development agency that focuses on building customer-focused experiences that prioritize the needs and preferences of each client. Their key to success is understanding and empathizing with customers, and their work is based on the newest trends, human psychology, and behavioral research.
Their service list includes:
- Build your dream app
- Making dumb products smart
- Connecting you with your audience
- Optimize your E-Commerce process
Tepia has a vibrant, colorful style and a unique approach to application modernization. They offer four distinct service models designed to take your business from where you are to where you want to be. Every engagement includes a high-touch level of support, ensuring clients feel fully guided throughout the process.
Their ability to handle complex modernization projects has made them a favorite among mid-sized businesses.
Mystic Media — Best for App Development
Mystic Media is a leading mobile app and software development agency with years of experience creating industry-leading strategies and custom solutions. Their website has a modern style and is exciting for surfing. It shows that they know their job and can provide high-level app modernization.
With an average of 25 years of experience, their team members are constantly honing their skills and following the latest technology trends, which helps to maintain their status as a top mobile app development company.
Their services include:
- Mobile app development
- AI development
- Web design
- Software development
- Game development
With a strong focus on user experience and technical excellence, Mystic Media ensures every project meets the highest standards of quality and innovation.
Conclusion
Application modernization is easier when you have the right company behind you. Many app modernization agencies don't know what they are doing. Most know how to do marketing or collect reviews, but they can't handle the crucial aspects of app modernization.
Choose a reliable company and use my guide to find the perfect application modernization agency for your business. Set your values, expectations, and needs ahead of time, and you'll find choosing the right company fast and easy.
FAQ
Alex Vasylenko is the founder of The Frontend Company, DBC and several other successful startups. A dynamic tech entrepreneur, he began his career as a frontend developer at Deloitte and Scandinavia's largest banking company. In 2023, Alex was honored as one of 'Top 10 Emerging Entrepreneurs' by USA Today.
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