William Collum

⚽ RefereeScotland

Football match official with 33 appearances across 8 competitions.

Career Stats

Total Appearances33
⚽ As Referee21
4️⃣ 4th Official3
📺 As AVAR2
👁️ As Observer7
🌍 International33
🏟️ Domestic0
Competitions8

Season-by-Season Activity

'19/20
1
'20/21
3
'21/22
6
'22/23
5
'23/24
2
'25/26
7
Referee4th OfficialAVARObserver
SeasonTotalRef4thAVARObs.
2025/267———7
2023/2421—1—
2022/2355———
2021/22642——
2020/2133———
2019/2011———
9711—

Career Milestones

🎯
First tracked match
12/12/2019
Lask vs Sporting Clube De Portugal
Europa League
🌍
First international match
12/12/2019
Lask vs Sporting Clube De Portugal
Europa League
🏆
First Champions League match
08/18/2021
BSC Young Boys vs Ferencvárosi TC
Champions League

Match Activity

24 matches · 7 years
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
M
W
F
Role:RefereeAVARObserverNo match

Top 14% among Scotland officials

Peer Benchmark

Match Count86%
Seasons Active86%
Competitions88%

Median in Scotland: 5 matches · 2 seasons

Recent Matches

All 33 →
Europa League02/19/2026
Gnk DinamovsKrc Genk
Observer
Europa Conference League11/27/2025
FC DritavsKF SHKËNDIJA
Observer
FIFA WC European Qualifiers11/16/2025
ISRAELvsMOLDOVA
Observer
Europa Conference League10/23/2025
RC STRASBOURG ALSACEvsJagiellonia Białystok
Observer
UEFA Europa Conference League Play-Off Round (First Legs)08/21/2025
NK CeljevsFC BANÍK OSTRAVA
Observer
UEFA Europa Conference League Second Qualifying Round (Second Legs)07/31/2025
Linfield FCvsŽalgiris
Observer
UEFA Champions League First Qualifying Round (Second Legs)07/15/2025
Lincoln Red Imps FCvsVíkingur
Observer
Europa League08/24/2023
ŠK Slovan BratislavavsÁris Lemesoú
Referee
Europa League08/08/2023
Hšk ZrinjskivsBreiðablik
AVAR
Europa League11/03/2022
Real BetisvsHjk Helsinki
Referee

Least-Officiated Teams

Current championship only · teams with fewest meetings

  1. 11. FC Slovácko1×
  2. 21899 Hoffenheim1×
  3. 3AS Saint-étienne1×
  4. 4AS Saint-étienne Loire1×
  5. 5Aek1×
  6. 6Alanyaspor1×
  7. 7Apóel FC1×
  8. 8Apóllon Limassol FC1×
  9. 9Aris Thessaloniki FC1×
  10. 10BOLOGNA FC 19091×

Top Destinations

  1. 1Marseille
    3×
  2. 2Copenhagen
    2×
  3. 3Seville
    2×
  4. 4Mostar
    2×
  5. 5Budapest
    1×
  6. 6Belgrade
    1×
  7. 7Bratislava
    1×
  8. 8Leipzig
    1×
  9. 9Linz
    1×
  10. 10Eindhoven
    1×

Career Events

Career events (UEFA courses, awards) will appear here when available.

Other Scotland Officials

All Scotland officials →

Season Reports

2025/26 (7)2023/24 (2)2022/23 (5)2021/22 (6)2020/21 (3)2019/20 (1) (9)