[14] The Chicago Tribune wrote that "the band continues to use strong strains of rock, soul and now rap and to highlight glossy pop production values.

"[16] Newsday noted that the album "tries to be in so many places at once that it would be a mess if the band weren't so versatile, its vision of crossover dreams so clear.

"[11] The Boston Globe determined that "the group's bouncy 'reggae lite' files the genre's rough edges and leaves a smooth, palatable dose of music worth bouncing to.

"[19] The Atlanta Journal-Constitution concluded that Serious Business "continues Third World's eclectic tradition of combining the old and the new, mixing elements from the United States, Africa and the Caribbean.

[20] AllMusic wrote that "'Reggae Ambassador', both the vocal and dub version, stands out as the album's most creative moment, showcasing Third World's easygoing melodies and fun-loving spirit.