Below are the Renaissance classes and programs schedule. You need to be a client to register for these classes. If you are a client, log in to the client portal here. If you are new, get started here.
*To find classes available in Spanish, please click the ‘Event Category’ button and choose ‘En español’ from the options provided.
🖥️Quarterly Taxes for Small Businesses: File & Stay Compliant (WBC & SSTB 11/16/26)

Filing quarterly estimated taxes doesn’t have to be stressful. Join Start Small Think Big and Miguel Mattos, Tax Strategist & Certified Financial Education Instructor, for a free 1-hour session that walks small business owners through the key steps to estimate and file quarterly taxes on time, and avoid penalties.
In this session, you’ll learn:
- Quarterly Tax Basics: Who needs to file and how to determine deadlines.
- Calculating Estimated Taxes: How to estimate and pay federal taxes on schedule.
- Business Expenses: Deductible vs. depreciable expenses—and how they impact your tax bill.
- Self-Employment Taxes: What they are and how to calculate and pay them.
- Payroll Considerations: How payroll affects quarterly obligations, including deposits and filings.
Why Attend?
- Build confidence to file accurately and on time.
- Learn from an experienced small-business tax specialist.
- Leave with practical tips and resources to make tax time easier.
Thank you to the Renaissance Entrepreneurship Center and The Start Small Think Big Organization for partnering with us on this event!
Register: here
Note: Our services and programs are open to all entrepreneurs. All Renaissance WBC/SOMA programs and services are extended to the public on a nondiscriminatory basis.
All clients must register for classes via your client portal account. Here is how you can do it.
Already a Renaissance Client?
Log in to your client portal and access the calendar at the top of your screen
New to the Renaissance Community?
Get started by filling out a client interest form and attending an orientation.
*All clients must complete an interest form and attend orientation before signing up for classes.*

Renaissance WBC is funded in part through a cooperative agreement with the U.S. Small Business Administration. All opinions, conclusions, or recommendations expressed are those of the author(s) and do not necessarily reflect the view of the SBA. All SBA programs or cosponsored programs are extended to the public on a nondiscriminatory basis. Reasonable accommodations for persons with disabilities will be made, if requested, at least 2 weeks in advance. Contact: Women Business Center wbc@rencenter.org, (415) 894-9779.