Services › Tax Prep Services Image 1 of 1 Tax Prep Services $199.00 We fill out, submit and pay your business quarterly/semi-annually/ yearly business taxes to State and Federal agency. If you file monthly, it is a $50 flat rate fee, Quarterly is $150, Semi- Annually is $300 and annually is $600 Add To Cart Added! We fill out, submit and pay your business quarterly/semi-annually/ yearly business taxes to State and Federal agency. If you file monthly, it is a $50 flat rate fee, Quarterly is $150, Semi- Annually is $300 and annually is $600