We’re Not Just Financial Pros—We’re a Visionary–Integrator Team Who Runs on EOS
At Gaines Capital Books, we don’t just help EOS companies get clarity from their financials. We live the EOS model ourselves. That’s why we know how powerful it is when the right numbers are in front of the right people—at the right time.
Who We Are

Matt Partrich, CEO + Visionary
With more than 20 years in finance, lending, and business consulting, Matt has served as a trusted CFO to small businesses across ecommerce, real estate, and online service industries. His passion for helping founders understand their numbers—without the jargon or overwhelm—is what led him to launch Gaines Capital Books.
As the Visionary and strategic CFO of GCB, Matt brings the big-picture perspective and financial guidance that business owners need to make decisions quickly, grow confidently, and prepare for what’s next.
“The right numbers change everything. They make decisions faster, meetings sharper, and growth more predictable. That’s what we give our clients.”
Mary Barbee, CFO + Integrator
Mary is a certified EOS Integrator with 3+ years of experience serving as CFO for fast-growing online businesses. Her specialty is transforming chaos into structure—and making financial data clear, actionable, and aligned with a company’s vision.
As the Integrator and operational CFO of GCB, Mary leads internal systems, reporting cadence, and strategic implementation—ensuring client deliverables are aligned with EOS standards and executed on time, every time.
“Numbers aren’t scary. They’re the key to making your leadership team stronger, your meetings tighter, and your business more aligned.”
“Together with Matt, I help lead financial strategy and reporting for every client we serve."

We Built Gaines Capital Books for EOS Teams Like Yours
We know what it’s like to walk into a Level 10 meeting without clean data—or spend hours preparing reports that no one fully trusts.
At Gaines Capital Books, we’re not just financial service providers—we’re a real EOS-aligned team. That means:
- Clear roles
- Consistent accountability
- Scorecards that actually reflect your reality
Financial deliverables that support your Rocks and V/TO
Ready to See What EOS-Ready Financials Look Like?
We’ll walk through your current process and see if we’re a good fit for weekly, monthly, or quarterly reporting.