A polite/formal expression meaning "our company" (the speaker's company); similar to 当社 or 弊社 and often used in business contexts.
わが社は今年、海外市場に進出する予定です。
Our company plans to expand into overseas markets this year.
わが社の製品は品質に自信があります。
Our company is confident in the quality of its products.
わが社では社員研修を重視しています。
At our company, we place importance on employee training.