Among his colleagues were Melchior Tavernier (1594–1665), Sébastien Cramoisy (1584–1669) and Michael van Lochum (1601–1647).
In 1633 Tassin published an atlas of France and Spain, Cartes générales des provinces de France et d’ Espagne; one of Germany, Cartes généralis des royaumes et provinces de la haute et basse Allemagna; and one of the Low Countries, Plans et profils des principales villes du duché de Lorraine, avec les cartes generale et particulieres de chacun gouvernement d’iucelles.
In 1635 he published an atlas of Switzerland, Description de tovs les cantons, villes, bourgs, villages et av tres particularitzes du pays des Suisses.
His inclusion of the Low Countries in a single volume had a practical reason: in 1631 a great part of the region had been conquered by King Louis XIII of France, which caused a need for rapidly published information.
In 1644 Tassin ended his work, and sold his copper plates of maps to Antoine de Fer (16xx–1673), who published them in many subsequent editions.