| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Iwan Griffith |
|
18 | 8 | 4 | 6 | 2 | 2 | 0 | 0 |
| Rob Jenkins |
|
17 | 4 | 5 | 8 | 1 | 3 | 0 | 0 |
| Bryn Markham-Jones |
|
17 | 6 | 3 | 8 | 1 | 3 | 1 | 1 |
| Nick Pratt |
|
15 | 7 | 4 | 4 | 2 | 1 | 0 | 0 |
| Huw Jones |
|
15 | 8 | 1 | 6 | 1 | 2 | 0 | 0 |
| Mark Petch |
|
14 | 5 | 4 | 5 | 0 | 3 | 0 | 0 |
| David Morgan |
|
13 | 5 | 2 | 6 | 1 | 1 | 0 | 0 |
| John Jones |
|
11 | 3 | 2 | 6 | 1 | 0 | 0 | 0 |
| Cheryl Foster |
|
9 | 4 | 2 | 3 | 2 | 1 | 0 | 0 |
| Alexander McInch |
|
9 | 3 | 2 | 4 | 0 | 2 | 0 | 0 |
| Simon Evans |
|
7 | 1 | 2 | 4 | 1 | 0 | 0 | 0 |
| Aaron Jones |
|
7 | 4 | 0 | 3 | 1 | 1 | 0 | 0 |
| Tom Owen |
|
7 | 2 | 1 | 4 | 0 | 3 | 0 | 0 |
| Dean John |
|
6 | 1 | 2 | 3 | 0 | 0 | 0 | 0 |
| Kevin Parry |
|
6 | 2 | 1 | 3 | 0 | 1 | 0 | 0 |
| Ben Williams |
|
5 | 3 | 0 | 2 | 1 | 1 | 0 | 0 |
| Alex Livesey |
|
5 | 1 | 1 | 3 | 0 | 1 | 0 | 0 |
| Thomas Owen |
|
4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
| Gavin Townsend |
|
4 | 1 | 2 | 1 | 0 | 2 | 0 | 0 |
| Tom Williams |
|
4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
| Referee | Country | |
W | D | L | |
|
|
|
| Ryan Kenny |
|
3 | 2 | 1 | 0 | 2 | 1 | 0 | 0 |
| Richard Harrington |
|
2 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
| James Walker |
|
2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
| Kris Hames |
|
2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jordan Harman |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Walter Altmann |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Luka Bilbija |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Siôn Davies |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Aristotelis Diamantopoulos |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Juri Frischer |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Robert Harvey |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mark James |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ívar Orri Kristjánsson |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Egill Arnar Sigurþórsson |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Robertas Valikonis |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Richard Wright |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
