Here, the Press Association looks at his triumphs.
* 2017-18: Premier League and League Cup
After a trophyless first season, Guardiola secured his first silverware at City with a 3-0 win over Arsenal in the League Cup final.
They went on to win the league title in style with a record 100 points, reaching the century thanks to an added-time winner from Gabriel Jesus at Southampton on the final day.
* 2018-19: Domestic treble
City edged out Liverpool 98 points to 97 in a thrilling title race.
They again won the League Cup by beating Chelsea on penalties and thrashed Watford 6-0 in the FA Cup final to become the first side to win the English domestic treble.
The season had begun with Community Shield success.
* 2019-20: League Cup
City failed to mount a successful title defence as Liverpool took the honours in a season disrupted by the COVID-19 pandemic, but they still lifted major silverware after beating Aston Villa 2-1 in the League Cup final.
There was also another Community Shield triumph.
* 2020-21: Premier League and League Cup
Guardiola's side paced themselves superbly in another coronavirus-affected season to win the Premier League with three games to spare after a 15-match winning run between December and March.
They beat Tottenham to claim a fourth successive League Cup but missed out on the Champions League after losing to Chelsea in a final for which Guardiola surprisingly left out both Rodri and Fernandinho.
* 2021-22: Premier League
City had to settle for one trophy despite beginning April in contention for three.
Their Champions League and FA Cup hopes both ended at the semi-final stage with defeats to Real Madrid and Liverpool respectively, but they pipped the Merseysiders to the title by a point after recovering from 2-0 down with 15 minutes left to beat Aston Villa on a dramatic final day.
* 2022-23: Premier League, FA Cup and Champions League treble
Fuelled by the record-breaking goalscoring exploits of the remarkable Erling Haaland, City reeled in long-time leaders Arsenal and claimed a fifth title in six years.
They beat neighbours Manchester United 2-1 in the FA Cup final before emulating their rivals' 1998-99 treble by beating Inter Milan to win the Champions League.
* 2023-24: Premier League, Club World Cup and European Super Cup
Guardiola's outstanding side secured a historic fourth successive Premier League crown as they held off Arsenal on the final day of a thrilling title race in which Liverpool had also featured until the closing weeks.
They also won the European Super Cup and Club World Cup but were beaten by United in the FA Cup final.
* 2024-25: Community Shield
Defeat by Crystal Palace in the FA Cup final meant the Community Shield was their only silverware.
* 2025-26: Domestic cup double
Guardiola looks set to bow out with two more trophies after Wembley victories over Arsenal and Chelsea in the League Cup and FA Cup finals, respectively.
