Offering personalized business management services to

businesses all throughout Los Angeles County.

ATPP is the right choice for you.

Our founder, Maya Konviser, saw a need for a client-friendly, personalized accounting, tax and payroll service and counseling firm focused on helping small and mid-sized Southern California companies improve their businesses throughout all economic cycles. She stepped up to answer that need in 2001, and ATPP has been providing support and services to business owners ever since.

We know that delivering superior financial solutions must be matched by superior personal service. That’s why ATPP strongly believes in customer centered thinking and gives clients first-rate customer support, in-person consultation, flexibility to meet unexpected sudden deadlines, competitive pricing, and custom-made reports and advisories. Those are some of the reasons we have satisfied clients, and some of the reasons why they refer ATPP to their own clients.


ATPP is prominent among outsourced payroll and financial service providers.

When you work with us, you can expect top-notch customer service.

We dedicate an account representative to learn the details about your business and how best to help you.

Our payroll specialists make sure your data is always secure and your checks are properly processed and delivered on time.

Because we cater to small and mid-sized businesses, we know that businesses owners need flexibility and responsiveness. You get same-day payroll corrections and customized, easy-to-read reports so you can understand them and answer employees’ questions instantly.

Our experienced tax professionals stay on top of changes in state and federal tax regulations and compliance issues, particularly those affecting small and mid-sized businesses and entrepreneurs. We perform detailed tax planning and develop projections to minimize your tax burden and maximize your growth opportunities.

Our skilled accountants provide a complete range of custom financial services so you can improve business operations and efficiency, and have accurate records for banks, investors or other interested parties.

We’re staffed by accountants, so when you call, any one of our accountants can answer questions right then and there, even if your dedicated representative is unavailable. You make financial decisions every day, so with an accountant just a phone call away, you get answers immediately.


We started using ATPP in 2003. We immediately loved their customer service. I would never speak to a machine like a lot of other payroll companies, we always spoke to a representative. I’ve recommended them to other business owners that I know because they have made payroll for us seamless and stress-free.

Beth Jacob Congregation


As former IRS tax attorneys we wouldn’t trust our own payroll to just anybody. We’ve seen firsthand what payroll issues cause for business owners and so we turn to ATPP to make sure it’s done right for us and our clients.

Holtz, Slavett, & Drabkin