Tehy's partnership organizations, that represent different professions, boost the professional identity of Tehy members. Tehy handles economical interests of its members; negotiates and bargains the collective agreements. Partnership organizations cooperate with Tehy as specialists, for example in professional and educational matters.

In order to have the best possible representation of interests, health and social care professionals should join both Tehy and the professional organization that reflects their professional identity.

Tehy also works closely with the Association of Finnish Practical Nurses.