Greg Penning and Co., LLC is an accounting firm based in Algona, Iowa, serving clients in North-Central Iowa. The firm works with individuals, small businesses, business owners, and executives, with source information noting service to the area since 1981.

The firm provides tax preparation and tax planning for individuals and businesses, along with business services such as monthly bookkeeping, payroll processing, and new business formation. Its listed client industries include agriculture, construction, manufacturing, and retail, and profile facts also identify CPA and EA credentials.

Services are available in person and through remote formats, based on the provided profile details.