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Sway

Sway

Private
San Leandro, CaliforniaEnergy & Sustainabilityhttps://swaythefuture.com/

Last Round

Seed

Feb 13, 2024

Total Funding Raised

$9.27M

Company Overview

Sway is a cleantech company that develops seaweed-based, home-compostable replacements for plastic packaging.

Sector

Energy & Sustainability

Verticals

Sustainable Materials, Advanced Materials, Circular Economy, Clean Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

seaweed packaginghome-compostable packagingplastic-free packagingbioplasticssustainable packagingflexible filmcircular economythermoplastic seaweedcompostable polybagseco-friendly packagingregenerative materialsmaterial scienceblown film extrusionzero waste packaging

Historical Pricing

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Caplight Momentum Score

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Sway Comparables

Compare Sway with similar companies based on industry and business-model similarity.

Sway comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Zerocircle
92%
Loliware
87%
B'ZEOS
86%

Sway Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedFeb 13, 2024
GrantOct 10, 2023
SeedNov 4, 2021
GrantFeb 16, 2021

Key People

Founding team and executive leadership

Matthew Mayes

Co-founder COO

Founding Team

Julia Marsh

Co-Founder CEO

Founding Team

Sway Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Dec 9, 2025

    Added Packaged Sustainably, LLC, a startup in packaging.

  • May 21, 2025

    Added Ales Grey, LLC, a fashion/apparel startup, as a customer.

Sway Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Sway Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Sway's valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Leandro, California
Employee Range28
Year Founded2020
Last FundingFeb 13, 2024

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