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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

On completion of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "On completion of" is correct and usable in written English.
It can be used to indicate that something will happen or is required after a task or process has been finished. Example: "On completion of the project, we will hold a review meeting to discuss the outcomes."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

On completion of the course, he should have returned to his native diocese as a teacher.

On completion of the initialization process CINM will issue a DONE signal.

On completion of all data checks the component loadings were examined.

On completion of the operation, the DONE signal is asserted to CU.

On completion of resection, goal-directed fluid therapy (GDFT) is initiated.

On completion of all judgements, the researchers exported and analysed the data using RUMMcc software.

On completion of all follow-up interviews, data was de-identified.

On completion of its exploration objectives, the LRO mission transitioned to a science mission.

Science

Icarus

On completion of the course, they were given the same placement test (posttest).

On completion of his studies at Sherborne School, Bastard attended Wadham College, Oxford University.

On completion of the pitch bible, Hasbro and Faust began looking at studios for the animation.

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Expert writing Tips

Best practice

When using "on completion of", ensure that the sentence clearly indicates what action or process is being completed and what follows as a result. This helps maintain clarity and avoid ambiguity.

Common error

Avoid using "on completion of" when referring to actions that are ongoing or have indefinite endpoints. Reserve it for situations where a specific task or phase is definitively finished.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

80%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "On completion of" functions as a prepositional phrase that modifies a verb or clause, indicating when an action takes place. Ludwig AI examples show it often introduces a subsequent action or event that is contingent upon the prior completion.

Expression frequency: Common

Frequent in

Science

48%

News & Media

20%

Wiki

12%

Less common in

Formal & Business

8%

Encyclopedias

4%

Academia

0%

Ludwig's WRAP-UP

"On completion of" is a prepositional phrase used to indicate that an action will occur after something is finished. Ludwig AI confirms the phrase is grammatically correct and usable, though slightly formal. It frequently appears in scientific and formal contexts to specify sequences and procedural steps. While synonyms such as "upon finishing" and "after completing" exist, "on completion of" maintains a level of formality suitable for professional and academic writing. It's important to clarify the scope of completion when using this phrase to avoid ambiguity.

FAQs

How to use "On completion of" in a sentence?

Use "On completion of" to indicate that something will happen or is required after a task or process has been finished. For example, "On completion of the project, we will hold a review meeting to discuss the outcomes."

What can I say instead of "On completion of"?

You can use alternatives like "upon finishing", "after finishing", or "once completed" depending on the context.

Which is correct, "On completion of the task" or "After completing the task"?

Both phrases are correct, but "On completion of the task" is slightly more formal. "After completing the task" is more conversational.

What's the difference between "On completion of" and "At the end of"?

"On completion of" emphasizes the finished state of a specific task, while "at the end of" focuses on the temporal boundary. "On completion of the report, the data will be reviewed" highlights the report's finalization. Whereas "At the end of the day, we will review the data" specifies a point in time.

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Real-world application tested

Most frequent sentences: