completion

near, reach

The new bridge reached completion after three years of construction work.

bring sth to

The construction company finally brought the new stadium to completion after three years of work.

be due for

The new shopping center is due for completion next spring.

after/following ~

We received the final documents after completion of the building project.

before/prior to ~

The house inspection must be finished before completion of the purchase.

near ~

The construction of the new hospital is near completion and should open next spring.

pending ~

The new office building remains closed pending completion of safety inspections.

on/upon ~ of

You'll receive your certificate upon completion of the online course.