नीचे से लेकर ऊपर तक यानि पूरे में।

इस कार्यालय में नीचे से लेकर ऊपर तक भ्रष्टाचार व्याप्त है।
नीचे से ऊपर तक

To a complete degree or to the full or entire extent (`whole' is often used informally for `wholly').

He was wholly convinced.
Entirely satisfied with the meal.
It was completely different from what we expected.
Was completely at fault.
A totally new situation.
The directions were all wrong.
It was not altogether her fault.
An altogether new approach.
A whole new idea.
She felt right at home.
He fell right into the trap.
all, altogether, completely, entirely, right, totally, whole, wholly