[F1Article 5 U.K. Staff headcount
The headcount corresponds to the number of annual work units (AWU), i.e. the number of persons who worked full-time within the enterprise in question or on its behalf during the entire reference year under consideration. The work of persons who have not worked the full year, the work of those who have worked part-time, regardless of duration, and the work of seasonal workers are counted as fractions of AWU. The staff consists of:
employees;
persons working for the enterprise being subordinated to it and deemed to be employees under national law;
owner-managers;
partners engaging in a regular activity in the enterprise and benefiting from financial advantages from the enterprise.
Apprentices or students engaged in vocational training with an apprenticeship or vocational training contract are not included as staff. The duration of maternity or parental leaves is not counted.]