Is there a single-word term for "Number of employees" as in "our company's number of employees"?
It might be called headcount. Per Wiktionary
- The number of people present in a group or employed by a company.
: a body of persons employed in an organization or place of work. Random House
The Orchestra, which boasts a personnel of 102 musicians, has long been considered one of Europe's finest.
The people engaged in or available for work, either in a country or area or in a particular company or industry. OED
I think you may use staff:
- [S, + sing/pl verb] the group of people who work for an organization: There is a good relationship between staff and pupils at the school.*
Our company's staff consist of ..(number).. workers/professionals.
Definition #4 of “payroll” from WordReference Random House Unabridged Dictionary of American English is close:
- the total number of people employed by a business firm or organization.
Strength is sometimes used to enumerate the number of personnel or staff in an organisation. It is mostly used in a military context, but it can be used in a civilian sense as well.
6: force as measured in numbers : effective numbers of any body or organization
(an army at full strength)
In the UK, you can use "FTEs" or Full Time Equivalents, this takes into account any part time staff, so you can show the equivalent full time man(or women)power in your organisation.
E.g. "Our organisation employs 100 FTEs"