Showing 394 registered airlines with a combined fleet of 1,327 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Gwyn Aviation | GWN | 0 |
| Hagondale Limited | POW | 0 |
| Hamlin Jet | HJL | 0 |
| Hangar 8 | HGR | 0 |
| Haughey Air | NBR | 0 |
| Haverfordwest Air Charter Services | PYN | 1 |
| HC Airlines | HLA | 0 |
| Heliaviation Limited | CDY | 0 |
| Helicentre Coventry | COV | 1 |
| Helicopter & Aviation Services | JKY | 0 |