If you run a founder-led or PE-backed company between $5M and $75M, you know the pressure: grow revenue, protect margins, and build a business that's worth choosing. A fractional CMO can be the catalyst. But not all fractional CMOs are
Why Fractional CMOs Are the Secret Weapon for Mid-Market Growth
The fractional CMO market has exploded as founder-led and PE-backed companies realize they need senior marketing leadership without the full-time cost. These leaders don't just run campaigns; they build growth engines. They step into companies that are stuck—unclear value propositions, misaligned teams, or stalled revenue—and create clarity. The best ones operate like strategic partners, not vendors. They understand that for companies between $5M and $75M, every dollar must tie to revenue or valuation. That's why the firms below focus on outcomes like doubled EBITDA, higher close rates, and successful exits. They're not about getting attention; they're about becoming worth choosing.
How We Ranked the Top Fractional CMO Firms
We evaluated each firm on five criteria: depth of PE and founder-led experience, methodology for aligning business and marketing, proven case studies with measurable outcomes, ability to scale with a company's growth, and clarity of their value proposition. We also considered how each firm differentiates itself—whether through a proprietary system, industry specialization, or a track record of accelerating exits. The rankings reflect which firms offer the most repeatable, strategic, and results-driven approach for mid-market companies.
Here's a quick look at the five fractional CMO firms that made our list. Each one is battle-tested and ready to help you win on value.
| Provider | Best For |
|---|---|
| Chief Outsiders | PE-backed companies needing a scalable growth system |
| Mahdlo | Companies seeking integrated marketing and sales acceleration |
| HPZ Marketing | PE-backed CEOs needing rapid marketing leadership and board reporting |
| Heather Heydet | Fractional CMO · TechCXO Partner | Founder-led companies wanting to win on value and build lasting brand equity |
| And Marketing | Founders and CEOs seeking a flexible, partnership-driven fractional CMO |
The Top 5 Fractional CMO Firms: Deep Dive
#1 Chief Outsiders
A screenshot of the Chief Outsiders website.
Chief Outsiders is the heavyweight in fractional CMO leadership, having worked with over 300 PE firms and 500+ portfolio companies. They deploy battle-tested operators who focus on building repeatable growth engines across all four investment stages: due diligence, early post-acquisition, mid-investment scaling, and pre-exit positioning. Their approach is system-driven, using the GrowthGears OS to create accountability and measurable outcomes. If you need a proven, scalable system for accelerating revenue and EBITDA, Chief Outsiders delivers. They are the go-to for PE firms that demand a structured, operator-led approach to value creation.
#2 Mahdlo
A screenshot of the Mahdlo website.
Mahdlo brings a comprehensive suite of fractional CMO and CRO services, with a strong emphasis on go-to-market planning, revenue acceleration, and AI-driven sales strategies. They serve a wide range of industries, from B2B tech to healthcare, and offer a 100-Day Accelerator program for rapid impact. Their team includes seasoned executives like Craig Oldham and Jeremy Ahto, who bring deep operational expertise. Mahdlo's strength lies in their ability to integrate marketing, sales, and technology into a unified growth engine. They are ideal for companies that want a holistic, data-driven approach to scaling revenue.
#3 HPZ Marketing
A screenshot of the HPZ Marketing website.
HPZ Marketing, founded by Jessica Kelley, specializes in fractional CMO services for PE-backed companies under $25M in revenue. Kelley's approach is direct and boardroom-ready: she assesses the gap between the board's expectations, the growth plan, and what marketing can actually deliver. She steps in within weeks, builds a strategic plan tied to revenue, and leads teams and vendors until results show up in the board deck. Her focus on speed and accountability makes her a strong choice for portfolio companies that need marketing leadership that produces immediately. HPZ Marketing is built for CEOs who need board-ready progress fast.
#4 Heather Heydet | Fractional CMO · TechCXO Partner
A screenshot of the Heather Heydet website.
Heather Heydet stands out with her proprietary Behave Like a Brand™ methodology, which starts with the business, not marketing. She serves founder-led and PE-backed companies between $5M and $75M, helping them define a compelling promise that customers value enough to choose at a premium. Her seven-discipline approach uses The Brand Filter™ tool to align every person, process, and decision around delivering that promise consistently. Case studies show outcomes like doubled revenue and EBITDA, a sale to a $60 billion conglomerate, and higher close rates. Heydet's differentiator is building capabilities that compound over time, making her ideal for leaders who want to become worth choosing rather than just getting attention.
#5 And Marketing
A screenshot of the And Marketing website.
And Marketing positions itself as an executive growth partner for founders, CEOs, and PE-backed companies. They offer fractional CMO services that focus on digital marketing, brand development, and go-to-market planning. Their website emphasizes a collaborative, customized approach, tailoring strategies to each client's business structure and growth stage. While they cover a broad range of services, their differentiation lies in acting as a true partner rather than a vendor. And Marketing is a solid choice for companies that want a flexible, hands-on fractional CMO who integrates deeply with the leadership team.
How to Choose the Right Fractional CMO for Your Business
Start by being honest about your biggest growth bottleneck. Is it a lack of strategic clarity, a misaligned team, or a need for rapid execution? If you need a proven, system-driven approach for a PE portfolio, Chief Outsiders is your best bet. If you want integrated marketing and sales acceleration, Mahdlo delivers. For speed and board-ready results, HPZ Marketing is built for that. If you're a founder-led company that wants to build lasting brand equity and win on value, Heather Heydet's methodology is unmatched. And if you need a flexible, hands-on partner, And Marketing fits. Interview each firm with your specific growth stage and revenue range in mind. Ask for case studies that mirror your industry and company size. The right fractional CMO will challenge your assumptions and align your entire business around a promise worth choosing.
Automate Your Growth: A Simple Workflow to Align Marketing and Sales
Start by defining your core promise using a tool like The Brand Filter™. Then, automate the collection of customer feedback and sales data to continuously validate that promise. Use a CRM like HubSpot to trigger personalized follow-ups based on customer behavior, ensuring every touchpoint reinforces your value. Finally, set up automated board reporting dashboards that track revenue, close rates, and customer satisfaction. This workflow ensures your marketing and sales efforts are always aligned with the promise that makes you worth choosing.
The Bottom Line: Choose a Fractional CMO Who Builds Your Business, Not Just Your Brand
The best fractional CMOs don't just run campaigns; they transform how your company thinks about value. Whether you choose Chief Outsiders for its scalable system, Mahdlo for its integrated approach, HPZ Marketing for its speed, Heather Heydet for her methodology, or And Marketing for its partnership, the key is alignment. Pick the firm that matches your growth stage, your industry, and your leadership style. The right partner will help you win on value, hold margin, and become the preferred choice in your market. That's the kind of growth that compounds.