Accounting Support Services provides professional, affordable bookkeeping services throughout Frederick County Maryland and beyond. Let us help when you don't have the staff, time or knowledge to do it all yourself.
Bookkeeping with professional care and accuracy … that's what we do! Whether you need a limited engagement like QuickBooks® training or ongoing bookkeeping and payroll services, we can help you. Our clients include all types of businesses and non-profits. CPAs love us because company files are clean and reconciled, saving you money at tax time.
Our friendly, full-charge bookkeepers have lots of experience and it shows! You can depend on our knowledge and attention to detail to provide you with accurate, timely information. Let our personal accounting services save you time and frustration so you can concentrate on business. Call us today!
"You continue to impress me...you care about what is going on with my books"
Brent Cook
Kingsbrook Animal Hospital

"I'm really encouraged by the work you're doing. It will allow us to do so much more with accurate accounting."
Rick Fuller, President, Mid Atlantic Soaring Association
"Thank you for your support .You are a gem!"
Peggy Richman,Business Factory of Frederick

"Thank you for your support .You are a gem!"
Peggy Richman,Business Factory of Frederick

"I'm really encouraged by the work you're doing. It will allow us to do so much more with accurate accounting."
Rick Fuller, President, Mid Atlantic Soaring Association

"The monthly reports you prepare are the most complete I've seen for any HOA."
Tracy Geiger- Accountant/Auditor
"I would like to thank Barbara Brewster and her staff at Accounting Support Services for the excellent service they have provided to Big Brothers Big Sisters of Frederick County for more than a decade. The staff is knowledgeable, professional and timely. We have been provided with outstanding attention to detail and prompt and complete responses to all our needs."
Fred Maurhoff
Treasurer since 2000


Our staff recently spent a day volunteering for United Way by painting an office at Big Brothers Big Sisters. We had a good time and the room looks great!