The 2004-05 First Division season was the 27th of the amateur competition of the first-tier football in Guinea-Bissau. The tournament was organized by the Football Federation of Guinea-Bissau. The season began on 27 November 2004 and finished on 21 May 2005, this was their next in two years. SC de Bissau won their twelfth title and finished with 42 points and to financial reasons did not qualify and competed in the 2006 CAF Champions League the following season. As SC Bissau won the 2005 Guinea-Bissau Cup, the second placed club did not participate in the 2006 CAF Confederation Cup the following season also to financial concerns.
Originally a 22 match season and would be 232, three later matches were cancelled and reduced its number to 228.
SC de Bissau was the defending team of the title. SC Bissau finished with 45 points and also scored the most goals and numbered 40. 5
Participating clubs
Sporting Clube de Bissau
Bula Futebol Clube
Sport Portos de Bissau - Promoted from the Second Division
Sport Bissau e Benfica
Atlético Clube de Bissorã
Desportivo de Nhacra - Promoted from the Second Division
Sporting Clube de Bafatá
Futebol Clube de Cantchungo
Mavegro Futebol Clube
Desportivo de Gabú - Promoted from the Second Division
Estrela Negra de Bolama - Promu de Segunda Divisião
CF Os Balantas
Overview
The league was contested by 12 teams with SC de Bissau winning the championship.