Strategic Financial Leadership for Growing Businesses
Castle & Rook provides strategic financial consulting for founder-led businesses, private equity–backed companies, and lower middle market organizations. We help leadership teams strengthen financial visibility, improve cash flow, and build the financial infrastructure that supports confident decision-making and sustainable growth.
Who We Help
As businesses grow, financial complexity increases. Castle & Rook works with leadership teams in situations where stronger financial infrastructure, additional financial leadership, or focused turnaround support can make a meaningful difference
Founder-Led Businesses
Helping owner operated businesses build the financial infrastructure, visibility, and decision making clarity needed to support their next stage of growth.
Private Equity-Backed Companies
Helping owner operated businesses build the financial infrastructure, visibility, and decision making clarity needed to support their next stage of growth.
Lower Middle Market Organizations
Supporting lower middle market companies navigating turnaround or distressed situations, including businesses that need experienced financial leadership at a scale larger firms may not be positioned to support.
Who We Help
Castle & Rook provides tailored solutions based on the unique needs of our clients. Every engagement is designed to strengthen financial performance, improve operational visibility, and support better business decisions.
Strategic Finance Consulting
Turning financial data into forecasts, plans, and decisions leadership can act on.
Cash Flow & Liquidity Management
Forecasting and working capital strategies that protect liquidity through growth.
Operational Finance & Controls Design
Stronger controls and reporting infrastructure, built to scale with the business.
Meet Castle & Rock
Castle & Rook was created from Jeff Rahman’s experience helping rapidly growing businesses navigate financial complexity, turnaround, and distressed situations. Today, the firm brings together experienced financial leaders to help growing businesses build the financial infrastructure, visibility, and controls needed to support sustainable growth.
Industries We Serve
While every business is unique, many organizations face similar financial and operational challenges as they grow. Castle & Rook partners with businesses across a range of industries, including:
- Healthcare Organizations & DSOs
- Manufacturing & Distribution Companies
- Franchise Owners
- Multi-Location / Multi-State Businesses
- Professional Services Firms
- Contract Research Organizations
- Startup & New CPGs
Case Study
The right financial strategy creates measurable outcomes. Here’s how Castle & Rook helped one organization return to profitability.
Helping a Clinical Research Company Return to Profitability
A $3 million clinical research company was losing nearly $500,000 a year with no visibility into project profitability. After rebuilding its financial reporting and profitability analysis, the company eliminated its losses within two years and reached profitability by Year 3.
What Our Clients Have to Say
Financial Insights & Events
Stay connected with Castle & Rook at industry events, conferences, and speaking engagements as they’re announced. Explore perspectives on strategic finance, cash flow management, and the financial challenges facing growing businesses.
Upcoming Events
Join Jeff Rahman for speaking engagements, workshops, and industry events focused on strategic finance and operational leadership.
