Scale your practice with proven Fractional COO

leaders from top professional firms.

Knex matches law firms, accounting practices, and multi-partner professional service firms with fractional executives who have grown partner-led businesses, optimized billing, and built operational infrastructure. Get the leadership to modernize and scale.

How it works

Define what you need

Tell Knex where expert guidance could move the needle — growth, fundraising, product, tech, operations, or beyond.

Get instant matches

See vetted experts who fit your goals. Each has proven experience, domain expertise, and testimonials vetted by Knex.

Book a free consult

Meet your top choices right from their profile. If it's not the right fit, you can revisit again anytime.

Engage with confidence

Simple, transparent equity and cash services for you to choose from. Then we handle all contracting, payments and compliance for you.

Testimonials

"Our law firm was growing but our operations were stuck in the past. The fractional COO from Knex modernized our entire practice management in 90 days."

Victor Reyes

"Finding someone who understood the dynamics of a multi-partner accounting firm was critical. Knex matched us with exactly the right COO."

Elena Costa

"The growth advisor from Knex helped us build a client acquisition engine that didn't rely solely on referrals for the first time."

Patrick Bennett

Why Companies Trust Knex

Every expert on Knex is carefully vetted to ensure you work with proven talent.

Total Experts

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With Verified Testimonials
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Knex Vetted Experts
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Transparent pricing

You can book services straight from any Knex talent profile.

Free Matching

Free to get matched and meet experts. Book free 30-min consults with as many people as you like.

Equity Advisor Engagements

$499 activation fee
Charged only when you confirm a match. This covers vetting, onboarding, and contract documentation using FAST standards.

Cash Engagements

Transparent pricing lives on each expert's profile. Knex includes a 10% platform fee on all cash engagements. This covers vetting, onboarding, contracting, payments, and compliance.

About

At Knex, our mission to empower startups to scale faster by matching them with the right fractional executive at the right time.

Katie Murphy

Katie is the Founder & CEO. With 16 years of experience working with companies ranging from pre-revenue startups to Fortune 50 giants, Katie spent 8 years as a fractional executive before becoming a full-time entrepreneur. She has led exponential growth for startups like BrewDog USA, Singularity University, and ThriveDX, and is recognized as a thought leader on sustainable growth with features on Entrepreneur.com.

FAQs

Frequently asked questions about Knex for Professional Services companies.

Do you have fractional leaders with professional services experience?

Yes. Knex has vetted fractional COOs, CFOs, and growth advisors who have led operations, finance, and growth at law firms, accounting practices, and other multi-partner professional service organizations.

Can a fractional leader help modernize our practice management?

Absolutely. Our fractional leaders have implemented modern practice management systems, automated billing and timekeeping, optimized client onboarding, and built scalable operational workflows for professional firms.

What about growing beyond referral-based business development?

Our fractional CMOs and growth advisors specialize in building diversified client acquisition channels for professional services — including thought leadership, digital marketing, strategic partnerships, and cross-selling within existing client relationships.

How do professional service firms typically engage?

Most firms start with a 30-day assessment to identify operational bottlenecks and growth opportunities, then move to month-to-month engagements for implementation. Advisor engagements on equity or retainer are also popular.

Is this suitable for a firm with under 20 employees?

Yes. Fractional leadership is especially valuable for smaller firms that need senior expertise but can't justify full-time hires. Knex offers flexible engagement structures that fit any firm size and budget.