Glamorgan won promotion into Division One of the County Championship for 2026 after finishing in second place in the Division Two table behind Leicestershire.
| P | W | L | D | NR / A | |
| First-class | 14 | 5 | 3 | 6 | – |
| List A | 7 | 1 | 6 | – | 1 |
| T20 | 14 | 7 | 7 | – | – |
Victories in first-class matches during 2025
May 9 -12 Glamorgan beat Kent by an innings and 161 runs at Canterbury
May 16 – 19 Glamorgan beat Northamptonshire by eight wickets at Sophia Gardens
May 23 – 26 Glamorgan beat Middlesex by ten wickets at Sophia Gardens
July 22 – 25 Glamorgan beat Kent by five wickets at Sophia Gardens
July 29 – Aug 1 Glamorgan beat Lancashire by 154 runs at Old Trafford