Born in Portugal,[2] Couto began his career with English club Oldham Athletic in their academy. In August 2021, he was called up by coach Keith Curle to participate in first team training after impressing coaches with the youth squad.[2] On 31 August, Couto was named as a starter for Oldham Athletic in the EFL Trophy match against Salford City, playing the whole 90 minutes in the 1–0 victory.[3] Shortly following his debut, he would go onto play the second half in the 7-0 away defeat to Brentford in the EFL Cup. Despite the Scoreline, he played well leading to his first League Two start days later. A 1-0 victory against Rochdale in the Greater Manchester derby again performing well and winning favour with the Oldham Athletic fans. Throughout the festive period Couto continued to perform well. During this period he scored his first professional goal in a 3-1 defeat at home to Scunthorpe United.
In August 2023 he joined The New Saints on loan until January 2024.[4]
Having spent the majority of the 2023–24 season at Ashton United on loan, he spent the first half of the following season with the club after signing permanently with them in the summer of 2024.