сотрудников

сотрудников

"Employees" or "staff members."

Here, "сотрудников" serves as the genitive plural form of "сотрудник," used to indicate there is a count or amount of employees in context.

Количество сотрудников в компании увеличилось за последний год.

The number of employees in the company has increased over the past year.

In this sentence, "сотрудникам" is the dative plural form of "сотрудник," which shows it is the indirect object receiving the action of the verb.

Компания предоставила всем своим сотрудникам возможность пройти тренинг.

The company provided all its employees the opportunity to participate in training.

Here, "сотрудников" is the accusative plural form of "сотрудник," used to indicate that they are the ones being congratulated.

Руководитель поздравил сотрудников с успешной сдачей проекта.

The director congratulated the employees on the successful completion of the project.