In 1973 he was part of the squad that won the "Torneio Seletivo", a competition that allocated places for new teams participating in the 1974 Campeonato Paulista.
[2] He also had spells for América de Rio Preto, Penapolense and Barretos, when in 1978 gained the interest of São Paulo FC, team where he made 54 appearances.
[3] With refined football, he moved to Grêmio FBPA in 1980, being part of the Gaucho and Brazilian champion squads of 1980 and 1981,[4] playing 84 matches and scoring 8 goals.
[11] In 2012, after successive good spells, he caught the attention of Guarani FC, and commanded a team in the national Série B for the first time.
[12] Tadei would also have notable spells at Santo André, São Caetano and URT, a club he had already led in the Copa João Havelange.
[18] After serving as coach of Trindade AC in 2006, Vilson Tadei returned to football in Goiás in 2018, at Anapolina, finishing the championship in the semi-finals.
[22] On 7 August 2020, Tadei left Gama directly for rival Brasiliense FC,[23][24] where he would go on to win the 2020 Copa Verde, held in early 2021 due to COVID-19 delays.
[34] However, 20 days after his arrivel, Tadei was unable to prevent the elimination of VOCEM from the competition, which, on the other hand, won a place in the unprecedented Série A4 in 2024.