The top fractional CFO companies in 2025 are Cathcap, Astero Group, FocusCFO, Preferred CFO, and G-Squared Partners. Cathcap leads the list for its flexible service tiers, full-team approach, and ability to serve businesses from early-stage startups to mid-sized companies and nonprofits.
Hiring a full-time chief financial officer is a significant commitment. For many business owners, the cost of a six-figure salary plus benefits doesn’t match where their company is right now. Fractional CFO services give you experienced financial leadership on a part-time or project basis, without the overhead of a full-time hire.
Not every fractional CFO firm works the same way. Some focus on venture-backed startups. Others serve mid-market companies or specialize in specific industries. The right fit depends on your business model, your growth stage, and the specific needs driving your search. We reviewed firms across the United States based on service range, client fit, engagement flexibility, track record, and industry coverage. Here’s who stood out.
The Top 5 Fractional CFO Companies of 2025
1. Cathcap
Best for: Business owners who want a strategic partner, not just a number cruncher.
Cathcap is a fractional CFO firm that works with small businesses, startups, mid-sized companies, nonprofits, and construction companies across the United States. Rather than offering a one-size-fits-all engagement, Cathcap organizes its services into three tiers designed around where your business is right now.
Three Main Service Tiers
Foundational: Built for business owners who need to get a handle on their financial processes, improve cash flow, and build a strong base for sustainable growth. This tier focuses on the building blocks: financial reporting, accounting structure, and operational visibility.
Accelerated: Designed for companies ready to move faster. This tier focuses on strategic financial planning, data-driven decision making, and execution against growth goals.
Integrated: Built for companies that need a CFO embedded in their executive team, providing ongoing financial oversight, strategic direction, and regular executive-level sessions to keep financial goals aligned with business performance.
A Full Team, Not Just One Person
Most fractional CFO firms assign you a single CFO. Cathcap pairs a fractional CFO with a controller and a financial analyst, giving you a full finance function rather than a single point of contact. Your CFO focuses on financial strategy. The controller keeps your financial statements accurate and compliant. The analyst surfaces trends, identifies opportunities, and supports strategic decisions with real numbers.
What They Help With
Cathcap’s fractional CFO services cover a wide range of financial operations, including:
Their client base includes small businesses, startups, medium-sized businesses, nonprofits, and construction companies. They also work alongside existing accounting teams rather than replacing them.
Cathcap treats the engagement as a partnership, not a transaction. For business owners who want clarity and confidence in their financial decisions without hiring a full-time CFO, Cathcap delivers the financial expertise and strategic insight to get there.
2. Astero Group
Best for: Small to mid-sized businesses that want a hands-on, long-term CFO relationship.
FocusCFO has been in the fractional CFO space since 2001 with a team of over 130 finance professionals across multiple states. They use a four-stage framework that scales with your business: Foundation (accounting systems, cash flow processes), Health (budgeting, forecasting), Growth (strategic financial planning, risk management), and Value (succession planning, maximizing enterprise value).
Their model is built around embedded, onsite relationships. Each client works with a dedicated CFO and an Area President for additional operational support. Most clients fall between $2M and $30M in revenue. Headquarters: Columbus, OH.
3. FocusCFO
Best for: Growth-focused founders running 7- and 8-figure businesses.
Astero Group works primarily with U.S.-based businesses earning $2M to $20M+ in revenue, helping them improve cash flow, increase profitability, and build a clear financial roadmap. Their services include cash flow forecasting, margin optimization, financial reporting, and growth planning. They also offer an AI-supported CFO option for founders who want data-driven support between meetings.
Astero operates on a fixed monthly pricing model with no long-term contracts. Their founder and CEO, Jim Miller, brings over 20 years of experience across companies ranging from startups to billion-dollar brands. Headquarters: Los Angeles, CA (serves clients nationwide).
4. Preferred CFO
Best for: Companies raising capital, going through a restructuring, or needing interim financial leadership.
Preferred CFO was founded in 2013 and has worked with more than 300 companies. They provide both fractional and interim CFO services, along with controller support, HR solutions, and systems advisory. Their services include financial modeling, investor reporting, financial analysis, and fundraising strategy.
Where most fractional CFO firms stay focused on financial operations, Preferred CFO extends into HR and operational systems. Contract terms vary by engagement. Headquarters: National (Utah-based).
5. G-Squared Partners
Best for: Venture-backed startups that need board-ready financial reports and fundraising support.
G-Squared Partners focuses on startups and growth-stage companies navigating fundraising rounds, M&A activity, and investor reporting. Their team helps with financial planning, cash flow management, board reporting, KPI dashboards, and strategic decision support.
G-Squared’s CFOs understand what potential investors look for in financial reports and how to position a company’s numbers for a raise. For founders building toward a funding round or exit, that kind of financial expertise can directly impact enterprise value. Headquarters: Philadelphia, PA area (serves clients nationwide).
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Factor
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Cathcap
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Astero Group
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FocusCFO
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Preferred CFO
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G-Squared Partners
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Best For
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Small businesses, startups, mid-sized, nonprofits
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7- and 8-figure founders
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SMBs wanting long-term CFO support
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Companies raising capital or restructuring
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Venture-backed startups
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Service Model
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Three tiers: Foundational, Accelerated, Integrated
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Fixed monthly engagement
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Four-stage framework
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Fractional and interim CFO
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Scalable fractional CFO
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Team Structure
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CFO + Controller + Analyst
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Boutique CFO team
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CFO + Area President
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CFO + controller and HR support
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Dedicated CFO team
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Pricing
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Custom, based on tier and scope
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Fixed monthly, no long-term contract
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Custom, based on scope
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Custom, varies by engagement
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Custom, based on scope
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Headquarters
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Fort Worth (nationwide)
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Los Angeles, CA
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Columbus, OH
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Utah (national)
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Philadelphia, PA area
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What Fractional CFO Services Typically Cost
Most fractional CFO services in the United States fall between $3,000 and $12,000 per month, depending on business size and scope of work. A rough breakdown by stage:
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Early-stage startups: $3,000 to $5,000/month
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Growth-stage ($2M to $10M): $5,000 to $10,000/month
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Mid-market ($10M+): $8,000 to $15,000+/month
By comparison, a full-time chief financial officer typically costs $200,000 to $400,000 per year including salary, benefits, and equity. The return on a fractional CFO shows up in better financial decisions: improved cash flow visibility, cleaner financial reports for potential investors, and risk management that prevents costly surprises.
How to Choose the Right Fractional CFO Firm
Before comparing firms, get clear on what you actually need. A startup preparing to pitch potential investors has very different financial needs than a $15M company planning an exit.
A few questions worth asking:
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What industries do you specialize in?
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How is your team structured?
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Can you scale support up or down as our business needs change?
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Can you work alongside our existing accounting team?
Every firm on this list has a different sweet spot. Cathcap stands out for its tiered service model and full-team approach. Astero Group appeals to founders who want fixed pricing. FocusCFO works well for businesses that value an embedded, onsite relationship over time. The best fit is the firm that listens to your goals and brings the financial expertise to help you move forward with confidence.
Frequently Asked Questions
A fractional CFO is a chief financial officer who works with your business on a part-time or project basis instead of full time. They provide the same level of financial expertise and strategic financial leadership as a full-time hire, but at a lower cost and with more flexibility.
A CPA focuses on tax compliance and audits. A controller manages day-to-day accounting and financial reporting. A fractional CFO operates at a higher level, focusing on financial strategy, cash flow management, and long-term strategic planning.
When financial decisions start to outpace what your current team can handle. That might look like inconsistent cash flow, unclear financial reports, or difficulty planning for growth.
Yes. Most fractional CFO firms integrate with your current finance staff. At Cathcap, for example, the CFO works alongside your existing accountants and bookkeepers to add strategic financial planning and oversight without disrupting current operations.
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