The most common and most likely answer to this crossword clue is the 6 letter word COERCE
C
O
E
R
C
E
More clues leading to the result COERCE
- Firm before receiving constant pressure
- Bully taking gin back from drunk concierge
- Lord who ran resistance to European Community turned up pressure
- Compel firm to visit A&E, for example, and church
- Compel guard leaving Vatican City church
- Millions robbed in business by force
- Company miscalculates, sounding like bully
Buddy explains!

The straight part
We know that "pressure" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pressure = coerce.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does COERCE mean?
COERCE verb- To restrain by force, especially by law or authority; to repress; to curb.
- To use force, threat, fraud, or intimidation in an attempt to compel one to act against their will.
- To force an attribute, normally of a data type, to take on the attribute of another data type.