### Clue: Surround with trained men to guard company on way through mountains (9)
### Answer: ENCOMPASS 
 ### Explanation: Definition: Surround
 [ **Anagram of**(trained) MEN **containing**(to guard) CO(abbrev. for "company";a commercial firm) ] **placed above**(on, in a down clue) PASS(a way;a route through;between mountains).