Client Center



Client Login

- Individual Clients
- Business Clients
- Client Employee

Forgot Your Password? Please try logging in with the last password you remember first. (If that fails, you'll be able to reset your password on the next page.)

QuickBooks Online

Video Meeting

Join a scheduled video meeting with our staff.
Send Request

Diania Dee Gaskill

Diania Dee Gaskill - Administrative Assistant/Receptionist 

Dee joined Mannia & Company in October 2010 as an administrative assistant and receptionist.  She spent the previous 10 years employed at another CPA firm in Fort Wayne as the tax return processor.

Along with being an administrative assistant, she is a Notary Public. Dee graduated in 1973 with a degree in Cosmetology and is also a trained locksmith.  She volunteered in the Civil Air Patrol organization for 5 years where she was the assistant to the Commander and attained the rank of 1st Lieutenant, as well as being the testing officer.

Dee’s husband Rich, is a locksmith and has owned his business for over 35 years. They have a son Tony, who served in the United States Army and was honorably discharged in 2006.

Dee’s hobbies are yoga, cross stitch and shooting combat drills.

Certified QuickBooks Expertise

We provide added value to our clients by offering QuickBooks expertise. Our QuickBooks ProAdvisor certifications ensure that we can effectively guide you on system setup, navigation and features…as well as ensure that you maximize the power of the system to keep your books in order.


Check out the latest issue
of our client magazine


Our Specialties

  • Manufacturing

    We understand that manufacturing businesses are unique—having to deal with complex inventories, volumes of forms, and always seeking ways to operate more efficiently within various markets...

    read more
  • Construction

    We are dedicated to helping you achieve success within your construction business. With extensive experience providing full-service accounting to the construction industry, we are intimately...

    read more

Latest from Our Blog