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Firestone Advisory
Firestone Advisory
Fractional CFO and Bookkeeping Services

Know your numbers. Grow your business.

Fractional CFO and finance operations partner for founder-led SMBs and growth-stage companies.

From chaos to cadence—close faster, see what matters sooner, act with confidence. Transform your finance operations in 90 days with a partner who delivers measurable results.

90 Days
To measurable results
10+ Years
CFO experience
Board-Ready
Reporting every month

Finance services that drive results

From chaos to cadence—close faster, see what matters sooner, act with confidence.

Strategic

Fractional CFO & Board-Ready Reporting

Monthly executive reporting that boards trust and investors value.

  • Complete P&L, balance sheet, and cash flow statements
  • Board presentations with executive-level insights
  • Monthly management reporting and variance analysis
Analytical

FP&A: Forecasting, Budget & Scenario Planning

Forward-looking financial models that drive strategic decisions.

  • Capacity and CAPEX Planning
  • Annual budget and quarterly updates with variance tracking
  • Scenario modeling for growth, funding, and operational decisions
Operational

Cash Flow, Working Capital & Treasury

Optimize cash position and working capital efficiency.

  • Rolling 13-week cash flow forecasts
  • A/R and A/P optimization to improve working capital
  • Banking relationships and treasury management
Growth

Pricing, Unit Economics & Margin Expansion

Instrument your business model for profitable growth.

  • Unit economic modeling and cohort analysis
  • Pricing strategy and margin improvement initiatives
  • Customer lifetime value and payback analysis
Technology

Finance Systems & Automation

Modern finance tech stack that scales with your business.

  • ERP selection and implementation (NetSuite, QuickBooks)
  • BI dashboards and automated reporting (Power BI, Looker)
  • Month-end close acceleration and process automation
AI/ML

AI-Powered Financial Modeling & Data Training

Advanced AI and machine learning solutions for financial forecasting and decision-making.

  • Automated financial data monitoring
  • Machine learning-powered budget variance analysis and insights
  • AI consulting for business efficiency improvements

Our systematic approach

From financial chaos to operational cadence in 90 days. Every engagement follows our proven three-step methodology.

01

Assess

Deep dive into your current finance operations, systems, and reporting.

Key Deliverables

  • Finance operations audit and gap analysis
  • Systems assessment and data quality review
  • 90-day improvement roadmap with quick wins
02

Align

Build finance infrastructure and reporting that matches your business needs.

Key Deliverables

  • Monthly executive dashboard and KPI scorecard
  • Board-ready financial reporting package
  • Rolling 13-week cash flow model
03

Execute

Establish finance cadence and operating rhythms that drive accountability.

Key Deliverables

  • Weekly finance team meetings and monthly close process
  • Quarterly business reviews with forward-looking insights
  • Ongoing system optimization and process automation

What clients say

Trusted finance leadership that delivers measurable impact and lasting partnerships.

"Working with Blair was truly transformative. As CFO and Controller, he wasn't just managing numbers, he was a strategic partner. Blair built financial models that gave the Board clarity, streamlined accounting systems, and helped manage cash flow with confidence. He brought a rare mix of technical expertise and collaboration, equally strong in the weeds and in the boardroom. Any organization seeking a fractional CFO who delivers immediate impact, strategic insight, and steady leadership through growth or change would be fortunate to have him."

Jaclyn BowenExecutive DirectorClean Label Project

"Blair has a rare blend of financial depth, operational understanding, and emotional business intelligence. He bridges the gap between finance, accounting, operations, and IT—connecting the numbers to the real-world drivers behind them. He not only understands the present business fundamentals but also sees what's coming over the horizon, navigating with both strategy and practicality. Just as importantly, Blair is genuine, honest, and universally respected. His approachable nature builds trust across all departments, enabling finance to be a collaborative partner in driving success. Blair Colsey is not only a great CFO—he's a great person."

Nathan SummersChief Financial OfficerSpyder