Sentence examples for by us from inspiring English sources

The phrase "by us" is correct and commonly used in written English.
It is often used to indicate the person or group responsible for an action, or to show possession or ownership. Example: The project was completed by us last week. In this sentence, "by us" shows that the subject (project completion) was performed or carried out by the speaker and possibly others in their group. Another example: This book was written by us. In this sentence, "by us" indicates ownership, implying that the speaker and others in their group are the authors of the book.