WELCOME TO ADVANCED TRANSMISSION, INC.
Advanced Transmission is a locally owned and operated business that has been serving Baldwin County and surrounding areas for 30 years. Although the original owners retired in early 2023, the business continues under the management of Jonathan Shadis, who has been with Advanced Transmission for nearly 14 years. Jonathan and his wife, Crystal, now own the business.
Specializing in custom-built, high-performance, personal use, and commercial use transmission rebuilds and repairs, Advanced Transmission offers nationwide warranties on most of their work. They pride themselves on providing thorough and accurate diagnoses using the latest equipment in the transmission industry. Their technicians are highly experienced and undergo continuing education to stay updated with the latest skills and equipment.
Advanced Transmission is committed to integrity, promising not to perform any unnecessary repairs or rebuilds. Their goal is to ensure that your vehicle performs better than before it had transmission issues. They emphasize treating every vehicle with care and respect.

Knowledgeable , outgoing , honorable, kind are the adjectives that come to mind when I think of Jonathan and his staff. They are fantastic at their job , on time . Would never go anywhere else for service or repairs.Peggy
Jonathon and crew did a great job and were timely and kept me informed through out their work. It is so nice to work with people who say what the do and do what they say.Johnny
Advanced Transmission is professional, knowledgeable, and they care about their customers. I will use them for any future transmission needs and I will recommend them to my friends and family!Nikki
I love the way Advanced Transmission runs their business. True professionals that treat their customers with respect. Honest and very fair pricing. In my opinion, the best option for transmission work in Baldwin and Mobile county.Matt
Why Choose Advanced Transmission?
Specialized Expertise
Our technicians focus solely on transmissions and stay current with industry advancements.
Personalized Care
We build relationships with our customers, offering personalized service and reliable support.
Affordable Pricing
Our independent shop delivers expert repairs at a more affordable price than dealerships.
Our Services
We Use Only Quality Parts and Components
At Advanced Transmission, we prioritize transparency and customer satisfaction. Before performing any transmission service, we conduct a thorough inspection to identify potential damage. This ensures that you are not charged for unnecessary services. If we find any issues during the inspection, we will inform you immediately and provide clear recommendations on the next steps. If no damage is detected, we’ll proceed with the transmission service, giving you peace of mind that your vehicle is in expert hands.
Years in Business
Transmissions Repaired
5-Star Google Reviews
Our Pledge to Our Customers
Advanced Transmission, Inc. pledges to all our customers that we will not remove a transmission from a vehicle to complete a repair unless necessary. Additionally, our shop promises to diagnose transmission problems for all our local and surrounding area customers honestly and expertly. Our shop strives to provide prompt and courteous service to all who visit our automotive transmission repair facility. We hope you will return to us for all your automotive automatic transmission repair needs.
“At Advanced Transmission, you will always be greeted by a team member when you call during our regular hours.”