LEWISTON — The Androscoggin County Chamber of Commerce is offering a free seminar, 7 Strategies That Work Together Double Your Profits.

It will be held from 8:30 to 10 a.m. Wednesday, July 22, at the chamber, 415 Lisbon St.

Presenter Erna Koch will show attendees how to measure and improve each of the seven areas in a business and how, by making small incremental improvements in a business, profits will make a significant increase. Koch is a certified business coach with Next Level Business Coaching in Auburn.

For more information or to register, call the chamber at 783-2249 or go to: http://www.androscoggincounty.com.