Contact
Reach Us
Phone
(636) 928-4090
Cottleville Location
Cottleville, MO 63304
New Location
St. Louis Metro Area — Opening Soon
New Location
Troy, MO — Opens June 8, 2025
Email Us
office@cottlevillesmiles.com
Office Hours
Monday: 8:00am to 5:00pm
Tuesday & Wednesday: 8:00am to 5:00pm
Thursday: 8:00am to 3:00pm
Friday & Weekends: Closed
Take the First Step
Ready to Transform
Your Smile?
Join thousands of patients who trust Good Company Dental for exceptional care.
New patients always welcome.
New patients always welcome.
Patient Stories
What Patients
Speak of Us
★★★★★ 5.0 rating from 1,074 reviews
★★★★★
“I drove past three other dentists to get here. Two years later, my whole family follows. There’s a reason this place is always booked.”
— Sarah M. · Cottleville Patient
March 2026
★★★★★
“My kids actually look forward to going to the dentist now. I never thought I’d say that about any dental office.”
— Rachel T. · O’Fallon Family
February 2026
★★★★★
“Dr. Tanner treated my veneers like they were his own smile. You feel the difference when someone genuinely cares.”
— James K. · Cosmetic Patient
March 2026
★★★★★
“Best dental experience I’ve ever had. They treated me like a person, not a patient number.”
— Mike D. · Cottleville Patient
February 2026
★★★★★
“I finally don’t dread going to the dentist. That alone says everything about this team.”
— Lisa H. · O’Fallon
February 2026
★★★★★
“Referred four coworkers here. Every single one thanked me. That’s all you need to know.”
Tom B. · O’Fallon
March 2026