Sharrow Marine
Manufacturer of patented marine propellers for recreational and commercial boats, using a loop-blade design that reduces tip vortices and cavitation
- CEO / Founder
- Greg Sharrow
- Team Size
- 11-50
- Stage
- Growth Stage
- Total Funding
- $42.62M
- Latest Round
- Debt
- Key Investors
- Dolby Family Ventures; McFadden (family office of John H. McFadden)
Technology & Products
Key Products
Sharrow MX Propeller (outboard); Sharrow MX4; Sharrow XO Series (for V8/V10/V12 large outboards); SHARROW by VEEM (inboard propellers up to 5m diameter for superyachts and commercial vessels); Sharrow Agent program
Technological Advantage
Over 125 patents worldwide protecting the loop-blade geometry; proprietary computational tools and testing methodologies; team of world-class aeronautical, nautical, aerospace, and mechanical engineers; partnerships with VEEM for inboard manufacturing and Ford Motor Company for advanced 3D sand-casting production
Differentiation
Value Proposition
The Sharrow Propeller is the first major advancement in propeller technology since the 1830s, using a patented loop-blade design that eliminates or significantly reduces tip cavitation and vortices, delivering up to 30% better fuel efficiency, up to 80% noise reduction, reduced vibration, faster planing, and improved handling.
How They Differentiate
Unlike traditional propeller manufacturers that iterate on the same blade geometry used for nearly 200 years, Sharrow's patented loop-blade design fundamentally eliminates tip vortices — the primary source of noise, vibration, and efficiency loss in propellers. This enables 20-30% fuel savings, 80% noise reduction, and dramatically improved handling that conventional props cannot achieve.
Market & Competition
Target Customers
Recreational boaters, commercial marine operators, superyacht owners, OEM boatbuilders, and defense/aerospace customers
Industry Verticals
Recreational marine, commercial marine, superyacht, defense (autonomous underwater vehicles), aeronautical
Competitors
Mercury Marine (traditional propellers); Michigan Wheel (traditional propellers); Solas Propellers (traditional propellers); PowerTech Propellers
Growth & Milestones
Major Milestones
2020: Sharrow Marine LLC launched; won Miami International Boat Show Innovation Award; 2022: First funding from Dolby Family Ventures; 2023: TIME Best Inventions of 2023; Fast Company Innovation by Design Awards; $30M+ financing completed; VEEM exclusive inboard agreement; 2024: Fast Company World Changing Ideas finalist; CleanTech Transportation Solution of the Year; 2025: Anduril Copperhead AUV partnership; moved HQ to Michigan Central; Ford Motor Company manufacturing partnership
Notable Customers
Anduril Industries (Copperhead AUV program); numerous recreational boat owners (Boston Whaler, Contender, Robalo, Grady White, Jeanneau, etc.); commercial marine operators