


Challenge
Create a mobile app for Teamleader to improve contact and customer management in a user-friendly way.
Solution
A Flutter-based app offering streamlined features for contact, sales, and task management.
Result
Within 2 months there is already a 50% adoption rate, positive feedback, and a powerful new customer acquisition tool.

About Teamleader
Teamleader is a leading software company specializing in project management, time tracking, invoicing, and customer relationship management. With over 15,000 companies relying on Teamleader to streamline their business processes, the need for a powerful and intuitive mobile solution grew.
Challenge
Optimize mobility and efficiency of their mobile app
Teamleader needed a robust and user-friendly mobile application to help businesses manage their contacts, sales, and daily operations on the go. The existing app lacked the features and flexibility to meet modern business needs and was falling short in providing the seamless experience that users demanded. Additionally, the company sought a solution that would serve as both a productivity tool for existing users and a marketing channel to attract new customers.

Solution
A Flutter-based app offering streamlined features for contact, sales, and task management
ACA Group collaborated closely with Teamleader to develop a next-generation mobile app that simplifies customer management and business operations.
Key features and functionalities of the Teamleader app:
Contact & customer management
Instant organizational insights
Appointment & meeting scheduling
Quick & easy quotation generation
Advanced technology and agile methodology
The Teamleader app was developed using Flutter, to ensure a smooth and consistent user experience across both iOS and Android devices. The framework allows for adaptability across different screen sizes, from smartphones to tablets and wearables, all while reducing development and maintenance costs.
Our Agile Scrum methodology enabled continuous iteration and rapid response to feedback, ensuring the app met the highest quality standards. Through close collaboration between Teamleader and ACA, we delivered an innovative solution tailored to the company’s needs and market leadership.
Thanks to the ACA team's strong technical skills and professional approach, developments went surprisingly smoothly!
CTO at Teamleader


Thanks to the ACA team's strong technical skills and professional approach, developments went surprisingly smoothly!


Result
Over 50% adoption rate, positive feedback and a powerful new customer acquisition tool
The new Teamleader mobile app has been a real success 👏. Within two months of its soft launch, over 50% of existing users had already adopted the app, providing overwhelmingly positive feedback and describing it as a significant improvement. The app’s innovative interface and expanded functionality not only increased productivity for existing customers but also became a powerful marketing and conversion tool, thanks to a built-in ‘free trial’ option.
With the old app being phased out, the new app now plays a crucial role in Teamleader’s growth strategy. It empowers businesses to streamline their operations while positioning Teamleader as an innovative leader in the market. The app’s solid architecture and technical foundation, developed through close collaboration between ACA Group and Teamleader, ensure that it remains scalable and maintainable for future evolution, paving the way for continued success.
Our customers respond very enthusiastically to our app and its new features; a very big advance on a limited turnaround time.
CTO at Teamleader


Our customers respond very enthusiastically to our app and its new features; a very big advance on a limited turnaround time.



Looking for a mobile solutions tailored to your needs? 📱
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Looking for a mobile solutions tailored to your needs? 📱
We are happy to help.


Looking for a mobile solutions tailored to your needs? 📱
We are happy to help.
Looking for a mobile solutions tailored to your needs? 📱
We are happy to help.

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