Boulder CPA Firm for S-Corps & Small Businesses
With 18+ years of experience helping business owners across the country, I bring specialized expertise to Boulder’s Technology, Aerospace, Natural Foods economy. Whether you’re managing Navigating Boulder’s unique local taxes including the Climate Action Plan tax and managing high operating costs while competing for venture capital and tech talent in Colorado’s most expensive business market or capitalizing on Maximizing R&D tax credits for Boulder’s concentration of aerospace, biotech, and software companies while leveraging the city’s access to University of Colorado research partnerships and venture capital networks, SDO CPA provides the virtual accounting support your business needs.
We offer cloud-based tax preparation, bookkeeping, payroll, and fractional CFO services designed for Boulder business owners who want proactive guidance — not just annual tax filing.
Key Takeaways: Boulder CPA Services
- Virtual CPA services — Full tax, bookkeeping, and advisory support without geographic limitations
- Colorado tax expertise — Colorado has a 4.4% flat income tax with 2.9% state sales tax and 4.4% corporate rate planning and multi-state compliance
- Industry focus — Specialized experience with Technology, Aerospace, Natural Foods
- Transparent pricing — Upfront estimates starting at $300/month; if scope changes, we discuss it first
- Responsive support — Direct CPA access, same-day responses
Accounting & Tax Services in Boulder, CO
Boulder’s innovation economy centers on technology and aerospace with companies like Ball Aerospace, Google Boulder, and hundreds of startups generating $14.4 billion in annual economic output from Boulder County. The city’s proximity to University of Colorado Boulder creates robust research partnerships and R&D opportunities—qualifying expenses often exceed $500,000 annually for aerospace engineering firms and biotech startups, generating significant federal and Colorado R&D tax credits. Boulder businesses navigate the city’s 3.86% sales tax plus Boulder County’s additions for a total of 8.31%, along with Boulder-specific taxes including a 0.3% Climate Action Plan tax on electricity use. Software companies in the Pearl Street area and Boulder Tech Center face entity structuring decisions critical for venture-backed startups—Delaware C-Corp vs. pass-through entities under Colorado’s flat 4.4% tax rate. Natural foods companies including Boulder Brands navigate complex inventory accounting and multi-state distribution compliance. SDO CPA serves Boulder entrepreneurs with specialized expertise in venture-backed startup tax planning, R&D credit optimization for aerospace and biotech ventures, equity compensation strategies for high-growth companies, and partnership taxation for Boulder’s numerous LLC-structured startups.
Colorado Tax Planning Tip
Colorado’s flat 4.4% income tax rate applies to both individuals and corporations equally. For S-Corp owners, pass-through income is taxed at this flat rate with no brackets to worry about. However, Colorado’s patchwork of local sales tax jurisdictions — over 70 home-rule cities with their own rates — makes sales tax compliance complex. Use Colorado’s Sales & Use Tax System (SUTS) to simplify multi-jurisdiction filing.
CPA Services for Boulder Businesses
Business Tax Preparation
Federal and Colorado business tax returns for LLCs, S-Corps, partnerships, and sole proprietors.
Bookkeeping & Accounting
Monthly bookkeeping, bank reconciliation, and financial statements using QuickBooks or Xero.
Payroll Services
Full-service payroll processing, tax deposits, and quarterly filings through Gusto integration.
Tax Planning & Strategy
Proactive tax planning to minimize liability through entity selection, retirement contributions, and timing strategies.
Fractional CFO
Cash flow forecasting, budgeting, and financial strategy for growing Boulder businesses.
S-Corp Tax Services
Reasonable compensation analysis, QBI optimization, and S-Corp election guidance for Boulder business owners.
Common Challenges for Boulder Business Owners
Challenge
Boulder businesses often face Navigating Boulder’s unique local taxes including the Climate Action Plan tax and managing high operating costs while competing for venture capital and tech talent in Colorado’s most expensive business market, making tax planning and cash flow management more complex than standard approaches allow.
Our Approach
We provide proactive tax planning and fractional CFO services tailored to Boulder’s business environment, helping you handle Navigating Boulder’s unique local taxes including the Climate Action Plan tax and managing high operating costs while competing for venture capital and tech talent in Colorado’s most expensive business market with confidence.
Challenge
Many Boulder business owners struggle to get timely responses from their CPA, especially during busy seasons when questions are most urgent.
Our Approach
SDO CPA provides direct access to your CPA team with same-day response times. No call centers, no waiting weeks for answers.
Challenge
Tax preparation alone doesn’t help Boulder business owners understand their financial position or make informed decisions throughout the year.
Our Approach
We deliver monthly financial reports with actionable insights, helping you understand cash flow, profitability, and tax liability before year-end.
“SDO CPA helped us structure our biotech startup to preserve R&D credits through our Series A funding and planned our ISO grant strategy to minimize tax impact for employees. Exceptional technical expertise.”— Dr. Amanda C., Biotech startup founder near CU Boulder in Boulder
How to Get Started With SDO CPA
Schedule Your Free Consultation
Book a call to discuss your Boulder business, current financial setup, and goals.
Get Your Custom Proposal
Receive a clear proposal with upfront estimates — if scope changes, we discuss it first.
Seamless Onboarding
We connect to your QuickBooks or Xero and organize your books within 30 days.
Ongoing Partnership
Monthly reports, proactive tax planning, and year-round CPA access.
Why Boulder Business Owners Choose SDO CPA
Colorado Tax Expertise
We understand Colorado has a 4.4% flat income tax with 2.9% state sales tax and 4.4% corporate rate and help Boulder businesses maximize tax advantages while managing federal obligations and multi-state complexity.
Transparent Pricing
Clear monthly estimates for standard services. We scope your needs upfront and communicate before any additional work. See our pricing.
Cloud-Based & Virtual
Access your financials anywhere. We work with QuickBooks Online, Xero, Gusto, and Ramp to keep your Boulder business running smoothly.
S-Corp & Partnership Specialists
Our clients are pass-through entity owners. We handle reasonable compensation analysis, K-1 preparation, QBI optimization, and entity selection.
Responsive Communication
Get answers when you need them. Our team responds within one business day, and you’ll have direct access to your CPA.
Frequently Asked Questions
Resources for Boulder Business Owners
Also Serving Boulder-Longmont Metropolitan Area
SDO CPA provides virtual CPA services to businesses throughout Boulder-Longmont Metropolitan Area and Colorado.
Ready to Work With a CPA Who Understands Boulder Businesses?
Schedule your free consultation today. We’ll analyze your tax situation and provide an upfront estimate with no obligation.
Schedule a Call