What We Offer
Clarity. Confidence. Control.
At S Kastner Consulting, we go beyond bookkeeping. We partner with purpose-driven organizations to deliver financial leadership, streamline your systems, and empower your next level of growth.
Virtual Controller / vCFO Services
Strategic Financial Leadership Without the Full-Time Price Tag
Ready to level up your financial strategy but not ready to hire a full-time CFO? Our Virtual Controller and vCFO services offer high-impact support at a fraction of the cost.
Here’s how we help you lead with clarity and confidence:

Financial Strategy & Planning
Build a solid financial roadmap with expert budgeting, forecasting, and cash flow guidance.
Accounting & Compliance
Stay audit-ready with accurate reconciliations, clean books, and nonprofit/tax compliance.
Reporting &
Analysis
Get powerful insights with easy-to-read reports that show exactly where your organization stands.
Profitability & Cost Management
Spot hidden leaks and unlock savings that boost your bottom line.
Grant & Fund
Oversight (Nonprofits)
Track grant & restricted funds with confidence and transparency.
Filing & Tax
Compliance
Be proactive not panicked. We help you stay on top of IRS filings and NEXUS requirements.
Scalable Financial Expertise
Access CFO-level strategy without the full-time commitment.
Data Cleanup
Start Fresh. Stay Accurate. Stay Compliant.
Overwhelmed by messy books? We specialize in turning chaos into clarity. Whether you’re preparing for tax season, grant reporting, or a financial audit—we’ll clean it up and get you audit-ready.
What We’ll Handle for You:

Transaction Categorization
Every dollar, clearly defined.
Bank & Credit Card Reconciliation
No more mystery balances.
Duplicate & Error Cleanup
We catch what others miss.
Historical Records Cleanup
We bring your books up to speed.
System
Optimization
Streamline your chart of accounts for efficiency.
Audit Preparation Support
Perfect for 990s, grants, and tax filings.
Bookkeeping/Record-Keeping
Effortless Financial Management So You Can Focus on What You Do Best
Day-to-day financial tasks shouldn’t slow down your mission. We manage your books, so you can lead your business or nonprofit with confidence.
How We Keep You Organized:




