Best suitable for: Scale-ups, Enterprises
Brief description: Imaginary Cloud designs scalable technology, and their proprietary development processes guarantee reliable, user-centred solutions that drive seamless digital transformation for Enterprise and Scale-up companies.
They are passionate about helping organisations scale, having worked with many customers. They have received numerous honours over the previous 13 years, including Top 100 Fastest Growing Companies, Top 1000 Global Companies in 2020 & 2021, UK Top B2B Company in 2021 & 2022, and Europe Best Workplace® 2022.
Services: Product ideation: Digital Transformation, Digital Acceleration, Scoping sessions, Product Design Process, MVP. Product development: Web & Mobile Development, Artificial Intelligence, UX/UI Design. Product improvement: Code Audit, UX Audit.
Technologies: React, Next.JS, Angular, Due, Webflow, Ruby on Rails, Node, Python, Rails, Django, React Native, Flutter, AWS, Azure, Google Cloud
Key clients: Nokia, Sage, Ernst & Young, BNP Paribas, TravelWiFi, JingaLife, Elsa, Trust Portal, Remax, Environment Intelect
Reviews: 4.9 stars on Clutch from 34 reviews
Feedback: "They always deliver on time and are very responsive to changes in scope"; "The team delivered on time and within budget, ultimately helping accelerate the overall process. Moreover, their team members were outstanding"; "We've worked with several developers, but Imaginary Cloud is the only partner that does what they say they'll do."
Methodology: Agile
Location: London, United Kingdom
Company size: 50 - 249
Founded in: 2010
Price range: $50 - $99 / hr
Culture and values: Highly process-oriented, technical excellence, work with the 1% best-in-class Europe-based developers with years of experience across different industries; digital acceleration with a lean mindset; full transparency: they provide transparent and clear communication, project management, and budgeting; they take strong ownership of the projects they work on, meaning you can expect a business partner ready to help you every step of the way.
Find out about the Imaginary Cloud software development service and send a message if you want to talk about your project.
Brief description: Taazaa was created in 2007 with a belief that software could relieve human suffering and a software development service provider should look beyond technologies and deliver creative and progressive solutions.
They assist 100s of startups, SMBs, and Fortune 500 enterprises. They're a top US enterprise software solutions provider and valued technology partner. Their clients acknowledge their top-tier competence and agile software development technique.
Services: Web Application Development, Mobile Application Development, Software Product Development, Cloud Services, Software Solution , Digital Transformation, Artificial Intelligence, Internet of things, Augmented Reality, Blockchain Technology, Internet of Things, Big Data Analytics, Virtual Reality, Blockchain, Custom Software Development, UI And UX Development, Product Engineering, DevOps Services, Quality Assurance, Data Engineering and Enterprise Software Development
Key clients: PulseBox, Caring24, Malley’s Chocolates, Lachina, Open i Networks, Vorrei, Wright Partners
Reviews: 5.0 stars on Clutch from 28 reviews
Feedback: "Their ability to take an idea from an industry they are not part of and make it happen is impressive", "The staff at Taazaa were very cooperative with our stringent deadlines and work hours", "They guide throughout the process and provide rational to the decision they make."
Location: Hudson, OH, United States. Development team: India.
Company size: 50 - 249
Founded in: 2007
Price range: $50 - $99 / hr
Brief description: Delivering world-class client experiences is critical in today's customer-driven economy. Their purpose is to assist you in deploying world-class mobile apps that deliver those experiences. They deploy mobile solutions to engage, service, and delight users.
Appify designs, develops, and maintains mobile applications for clients on all platforms, including iOS, Android, and Hybrid. They use agile development approaches and encourage their clients to construct solutions in an iterative manner. This enables intelligent, ongoing optimisation of the user experience.
Services: Mobile application development, Mobile consultancy, Mobile marketing, Mobile web development, Mobile UX/UI
Key clients: NHS, RecoverMe, Way2Work, TrainedIn, MyBubble
Reviews: 5.0 stars on Clutch from 20 reviews
Feedback: "They were friendly, professional, and efficient," "Working with Appify was an exceptional experience," "What's really impressive was a value-driven engagement with Appify."
Location: London , England. Development team: Serbia.
Company size: 10 - 49
Founded in: 2019
Price range: undisclosed
Brief description: Vardot is a global web development and design solutions company that uses open-source technology to assist organisations with digital transformation. They take a holistic approach to project management and advise our clients through every stage of the project lifecycle.
Services: Strategy, Design, Development, Migration, Support and Maintenance, DevOps, Digital Marketing
Key clients: UNICEF, United Nations, BCG, Georgetown University
Reviews: 4.9 stars on Clutch from 55 reviews
Feedback: "We felt like we were working with a true partner rather than a vendor," "They were flexible and maintained an open mind in going through all the complex aspects of our website," "Overall, we've had a great experience working together."
Location: Santa Clara, CA, United States. Development team: Jordan.
Company size: 50 - 249
Founded in: 2011
Price range: $100 - $149 / hr
Brief description: Since its establishment in 2012, AppIt has produced hundreds of high-quality applications and custom software solutions to happy clients ranging from local small and medium-sized businesses to Fortune 500 companies. Their reputation for creating world-class mobile and web-based applications that increase customer bases and bottom lines has progressively developed over time.Their staff will guide you through every stage of the software development process in a transparent and consultative manner.
Services: Mobile Application Development, Web Application Development, Database, Server, and API Development, Business Intelligence/Artificial Intelligence, UX/UI Design and Development, ERP/CRM/CMS Integration and Customisation, Legacy System Upgrades and Integrations, Code Audits, Staff Augmentation
Key clients: The State of Colorado
Reviews: 4.9 stars on Clutch from 35 reviews
Feedback: "We were impressed by their weekly and often daily communication on the progress of the project" "I must commend the team at AppIt Ventures for their exceptional professionalism," "They have a thoughtful team that was instrumental in solving development problems along the way."
Location: Denver, CO, United States. Development team: India.
Company size: 10 - 49
Founded in: 2012
Price range: $100 - $149 / hr
Brief description: They work collaboratively with technology and business leaders from many industries to accelerate organisational growth via AI-powered, purpose-built software solutions. Their reputation for speed, cost-effectiveness, and dependability is well-deserved: they use tried-and-true platforms and models, customising them to your specifications and producing custom code as needed. This "tested & tailored" approach is what distinguishes them and allows them to deliver solutions flawlessly.
They'll collaborate to develop solutions that have a long-term influence on your organisation by combining your industry knowledge with their technical experience.
Services: Custom Software Development, Software Testing & QA Services, Web Application Development, Software Design & Prototyping, Mobile Application Development, Dedicated Development Teams, Internet of things, UI/UX, Enterprise Mobility, Data Science, Business Process Automation, Artificial Intelligence, and Application Modernisation
Key clients: Astra Zeneca, Caribbean Airlines
Reviews: 4.9 stars on Clutch from 33 reviews
Feedback: "We appreciated their open, honest, and forthright communication at all times," "The team has taken our jumbled idea and turned it into something that works, and we’re happy about that," "Code District adopts a design-first approach, emphasising the importance of UI/UX in their development process."
Location: Washington, DC, United States. Development team: Pakistan.
Company size: 50 - 249
Founded in: 2017
Price range: $25 - $49 / hr
Brief description: Darwoft works with customers to provide a great eXperience for users. Their company specialises in high-quality and scalable MVP work, resulting in a robust code base that a startup development team may build on. Their core values are technical excellence, transparency, collaboration, innovation, and customer orientation.
Their stack is regularly updated in the high-tech market, focussing on digital transformation, mobile innovation, the internet of things, machine learning, and cloud-native solutions.
Services: MVP Development, Data-driven strategies, Staff Augmentation
Key clients: QTalent, Hometown, VML, Coca Cola Andina, HAVAS, Valdera
Reviews: 4.9 stars on Clutch from 25 reviews
Feedback: "Darwoft does a fantastic job of finding the right people to work for us," "The fact that they delivered on their promises was the biggest success metric for us," "Their leaders are always open to listening to my needs and providing solutions to unforeseen events."
Location: Portland, OR, United States. Development team: Argentina.
Company size: 50 - 249
Founded in: 2010
Price range: $25 - $49 / hr
Brief description: Kin + Carta is a worldwide digital transformation firm dedicated to creating a world that works better for everyone. Its consultants, engineers, and data scientists use the power of technology, data, and expertise to the world's most powerful businesses. Kin + Carta, a recognised B Corp with a triple-bottom-line focus on performance, people, and the environment, enables organisations to create strategic, inclusive, and sustainable products, platforms, and services.
Services: Cloud and Platforms, Data and AI, Experience and Product, Managed Services, Strategy and Innovation
Key clients: Lexus, AstraZeneca
Reviews: 4.8 stars on Clutch from 70 reviews
Feedback: "We’re very satisfied with their work and have no complaints," "We were most impressed with their communication skills," "This partnership helped us understand what our next steps should be as a company moving forward."
Location: London , England
Company size: 1,000 - 9,999
Founded in: 1964
Price range: undisclosed
Brief description: IT Path Solutions is a leading technology consulting and solution development company with offices in the United States, the United Kingdom, and India.
They are global innovation partners who have pioneered services over the last decade, successfully working with 29+ countries, 3700+ projects, and 219+ clients across 19+ business verticals.
Services: Custom Web & Mobile App Development, Startup & Enterprise Product Engineering, AI, IoT & Blockchain Apps, Cloud Consulting & Migration
Key clients: Digital Civic- E Citizen
Reviews: 4.8 stars on Clutch from 29 reviews
Feedback: “I liked that they were responsive enough at our convenient time", “The workflow is collaborative, effective, and timely”, “They’re quick in completing their tasks”, “We loved their support even on the changes I required, and nothing was any trouble at all.”
Location: Harrow, United Kingdom. Development team: India
Company size: 50 - 249
Founded in: 2012
Price range: < $25 / hr
Brief description: Altkom Software is a custom software development company with more than 20 years of experience.They have effectively designed the path to success for innumerable businesses and theycollaborate with the most well-known brands, including multinational enterprises, rapidly rising businesses, and start-ups.
Services: Software Engineering, Strategy & Digital Product Design, Process Automation and Workflow, Cloud Services, Data & Analytics
Key clients: BNP Paribas
Reviews: 4.8 stars on Clutch from 28 reviews
Feedback: "The process of conducting the security tests was clear and understandable," "I was most impressed with their involvement in the project and team communication skills," "They worked fast and according to high market standards and solutions."
Location: London , England. Development team: Poland.
Company size: 250 - 999
Founded in: 2000
Price range: $50 - $99 / hr
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The more experienced the company, the better equipped they are to handle your unique challenges. Experience not only ensures technical proficiency but also shows their ability to adapt to different industries and needs.
Pro Tip: Ask for a portfolio or case studies demonstrating their past work on similar systems and industries.
Technical skills and the ability to work with modern frameworks are non-negotiable. The right partner should be ahead of the curve with their tech stack and offer future-proof solutions.
Pro Tip: Ask how they incorporate emerging technologies like AI, machine learning, and edge computing into their strategies.
Reputation is one of the most reliable indicators of a company’s success. Investigating their past projects will give you insights into their performance and reliability.
Pro Tip: Visit independent review platforms or forums to see what clients have to say about their experiences.
Modernisation is about the initial project, but also the ongoing support is equally important for long-term success.
Pro Tip: Ask about service level agreements (SLAs) for support and their average response times for post-modernisation issues.
No two businesses are the same, so avoid companies offering cookie-cutter solutions.
Pro Tip: During the consultation phase, assess how well they listen to your needs and provide thoughtful, tailored suggestions.
While cost is an important factor, it shouldn’t overshadow value. The cheapest option isn’t always the best.
Pro Tip: Compare quotes from multiple vendors, but prioritise those who align with your goals and provide evidence of measurable success.
A modernisation project that drags on can disrupt operations and incur extra costs. Ensure your partner has a proven track record of delivering on time.
Pro Tip: Request a detailed timeline with milestones during the proposal stage to ensure accountability.
Here's a detailed checklist to help you make an informed decision:
Modernising your legacy systems can feel like a daunting task, but partnering with the right application modernisation company brings significant advantages. These experts provide the tools, insights, and strategies to ensure a smooth transition and long-term success. Here’s how your business can benefit:
Outdated systems often struggle to keep up with modern demands, leading to slow processes and frustrated users. Modernisation improves performance by optimising code, introducing newer technologies, and leveraging high-performance infrastructure.
Example: A logistics company that modernised its tracking system reported a 40% reduction in response times, boosting customer satisfaction.
Legacy systems can drain resources due to high maintenance costs and inefficiencies. Application modernisation reduces these expenses by eliminating technical debt and streamlining operations.
Pro Tip: While modernisation requires an upfront investment, the long-term savings in IT maintenance and resource allocation can significantly outweigh the costs.
Modernised systems are designed to grow with your business. Whether you’re expanding operations, adding new services, or handling seasonal spikes in demand, scalability ensures your systems can adapt.
Example: E-commerce platforms often modernise their applications to handle traffic surges during sales events without impacting performance.
Legacy systems can expose businesses to vulnerabilities and compliance risks. Modernisation introduces robust security measures to safeguard sensitive data.
Pro Tip: Modernised systems also offer better incident response capabilities, helping your business mitigate risks more effectively.
Modernisation enables businesses to leverage cutting-edge technologies that were previously out of reach.
Example: A manufacturing company that integrated IoT and AI into its modernised system reported an improvement in production efficiency.
Old systems are prone to failures that can disrupt operations. Modernisation ensures higher reliability and uptime, keeping your business running smoothly.
Pro Tip: Many modernisation solutions include built-in disaster recovery plans, ensuring quick recovery even in the face of unexpected issues.
By modernising your applications, you gain a technological edge over competitors still relying on outdated systems.
Modernisation ensures your systems remain relevant in the years to come.
Pro Tip: Choose a partner that prioritises future-proofing, so your systems stay adaptable to emerging trends and technologies.
We have considered Clutch to build this leaderboard since Clutch is a company that helps businesses find the best service providers for their needs through study and reviews. They offer verified client reviews and ratings and in-depth research and analysis on companies in many fields, such as web app development, marketing, design, and more. Clutch's goal is to help businesses choose service providers based on good information, show off their skills, and get noticed for their work.
The companies part of this leaderboard meet the following requirements:
This information is not sponsorship and is based on our analysis.
Now that you understand the benefits and have a clear idea of what to look for in a partner, it’s time to take actionable steps to make the right choice. Follow these steps to streamline your decision-making process and select a company that aligns with your goals:
Use the information in this guide to create a shortlist of 3–5 companies that meet your criteria.
Pro Tip: Check independent review platforms like Clutch or G2 for unbiased client feedback.
Engage with the shortlisted companies through consultations to assess their approach and compatibility.
Questions to Ask During Consultations:
Ask the companies to submit detailed proposals outlining their modernisation strategy, project timeline, and cost breakdown.
Pro Tip: Compare proposals not just on cost but on value—focus on how well the solution meets your needs and guarantees ROI.
Modernisation often involves handling sensitive data, so security should be a top priority.
Get to know the team members who will be working on your project.
Pro Tip: A dedicated account manager or project lead is a good sign of clear communication and accountability.
Ensure the company offers flexibility to adapt the project scope if your requirements evolve.
Once you’ve reviewed all proposals and completed your evaluations, choose the company that best aligns with your business needs and values.
Modernising your applications is about upgrading technology and transforming your business for the future. By choosing the right partner, you can unlock efficiency, improve scalability, and gain a competitive edge.
Ready to take the next step? Contact our team today for expert guidance on finding the perfect modernisation solution tailored to your needs. Let us help you future-proof your business and achieve your goals.
Content writer with a big curiosity about the impact of technology on society. Always surrounded by books and music.
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