In addition to the football department, whose 1st team currently plays in the Oberliga Hamburg, the club has on offer in the following sports: badminton, baseball/softball, basketball, handball, judo, ju-jitsu, karate, amateur theatre, athletics, prellball [de], chess, swimming, dancing, table tennis, tennis, gymnastics, and volleyball.

From the educational association, the youth league was founded on July 13, 1919 and the gymnastics teacher Carl Ohl became its first chairman.

For many years, the Niendorfer Turn- und Sportverein was a pure gymnastics club, not until 1936/37 were a handball and football department created, later fistball and table tennis were added.

In 2015, the Niendorfer TSV was chosen as the best club in Hamburg in the area of youth football training.

The club magazine, Der Niendorfer, is published ten times a year, with a circulation of 2,500 copies.