TDA Toullec Dancoing & Associés (TDA) is a French company specializing in the development of custom software solutions, founded in 1983 and based in Paris region. With over 40 years of experience, TDA supports its clients in the design, development, implementation and maintenance of IT projects tailored to their business needs.

The company operates at every stage of a project’s lifecycle:

Analysis and business requirements validation

Development of custom applications

Integration of software solutions

User training and support

Maintenance (Corrective, Perfective, Adaptive, Preventive)

Thanks to its human-scale structure, TDA stands out for its client proximity, responsiveness, and ability to deliver personalized, reliable and sustainable solutions. Its expertise covers a range of business sectors, with a strong focus on service quality and adaptation to complex environments.