Nicolaj Thomsen

Nantes After five seasons in AaB, Thomsen signed with FC Nantes in the French Ligue 1 in June 2016. According to Tipsbladet, the price was DKK 3.9 million, which could increase to DKK 4.5 million depending on performance.

Thomsen made 13 appearances for the club before returning to Denmark in January 2017.

Copenhagen On 12 January 2017, it was announced that Thomsen had signed a three-and-a-half-year contract with Copenhagen, expiring in June 2021. He made his debut for the club on 15 July 2017 in a 1–1 league draw against his former team AaB, coming on as a substitute in the second half for Kasper Kusk.

Thomsen scored his first goal for Copenhagen on 12 August 2018 in a Copenhagen Derby against Brøndby, establishing a 2–1 lead in the 77th minute after an assist by Viktor Fischer. The game finished 3–1.

His contract was not renewed when it expired in June 2021. Thomsen made a total of 90 appearances for Copenhagen, but his stint was plagued by injuries.

Vålerenga On 5 August 2021, Thomsen signed with Norwegian Eliteserien club Vålerenga on a six-month contract. He made his debut for the club on 15 August in a 1–1 league draw away against Tromsø IL, replacing the suspended Christian Borchgrevink at right back. On 24 October, he scored his first goal for the club to secure a 2–1 win over Haugesund in the domestic league. He left the Norwegian club at the end of the year.

SønderjyskE On 24 January 2022, Thomsen joined SønderjyskE on a deal until June 2024. He made his full debut on 18 February, providing an assist to Stefan Gartenmann in a 3–2 home loss to AGF. The following week, he was sent off early in a 1–0 league loss to Brøndby after receiving his second yellow card due to a challenge on Carl Björk. After a season, which ended with relegation, Thomsen left the club as he chose to terminate his contract due to a clause in his contract.

B.93 On 19 September 2022 it was confirmed, that Thomsen had signed a two-year deal with Danish 2nd Division side B.93. He made his debut for the club on 25 September, coming on as a substitute in a 3–1 loss against AB. He started in the following league match, scoring a brace and providing an assist, helping B.93 to a 4–0 victory against Brabrand IF.

On 7 June 2023, Thomsen signed a contract extension, keeping him at B.93 until 2025. He finished his first season at the club with 10 goals in 23 appearances, as the club reached promotion to the Danish second tier on 17 June after a 1–1 draw against Thisted FC.

On 1 December 2025, Thomsen announced his retirement from football. However, he will continue at B.93, where he will become Creative Lead with a focus on continuing the club's creative direction.

International career Nicolai Thomsen made his first international appearance on 1 March 2011, when he played for Denmark U18. Since then, he has played for U19 and U21, before getting his first match for the Danish national team on 18 November 2014 against Romania.

Thomsen scored the only Danish goal in the 1–1 draw against Iceland which qualified Denmark U-21 for the 2015 UEFA European Under-21 Championship. He was selected for the squad for the tournament and played the entire match in the opening win against the Czech Republic. He was in the line-up in the other two group stage-matches against Germany and Serbia. Thomsen was also chosen to the line-up in the semi-final, where Denmark was defeated by Sweden.

Personal life Thomsen started his own menswear brand, Another Aspect, alongside childhood friends Anders Poulsen and Daniel Brøndt in 2019. They opened their own store in Vesterbro, Copenhagen, in 2019, before moving to another location on Værnedamsvej.

Career statistics Club + Appearances and goals by club, season and competition

Honours AaB Danish Superliga: 2013–14 Danish Cup: 2013–14

Copenhagen Danish Superliga: 2016–17, 2018–19 Danish Cup: 2016–17