
Sway
Sway is a material innovation company scaling compostable solutions for plastic made with seaweed.
$5M Seed ·
Source: startupintros.com
Total raised: $27.5M across 3 sourced rounds
All 3 rounds ↓Signals
About Sway
Our patented products match the vital performance attributes of conventional plastics and plug into existing infrastructure, enabling scale and impact. Unlike plastic, Sway materials integrate abundant, regenerative resources and decompose into healthy soil after use, completing the loop of biological circularity.
Sway | 507 days from website to first raise on record
Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.
Funding rounds
| Date | Round | Amount | Lead | Source |
|---|---|---|---|---|
| Seed | $5M | — | startupintros.com | |
| Series A | $20M | — | startupintros.com | |
| Pre Seed | $2.5M | — | startupintros.com |
Timeline
- Website created
Founders and team
JM
Julia Marsh CEO & CO-FOUNDERsource: swaythefuture.comLM
Leland Maschmeyer CO-FOUNDER & BOARD OBSERVERsource: swaythefuture.comMM
Matt Mayes COO & CO-FOUNDERsource: swaythefuture.com
Investors
Companies like Sway
TTracelessSeries A · Sep 2023UULUU$16M Series A · Oct 2025
SSupersede$13M Series A · Nov 2026
FFactor2 Energy$9.1M Seed · Sep 2025
RRheomCCynomi$37M Series B+ · Apr 2025
Sources and API
Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/sway (get a free API key).