Seafields

Seafields is building a circular economy for harmful Sargassum blooms.

Environmental Services

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Headquarters: London, United KingdomSource: RevenueBaseRetrieved October 13, 2026
Employee range: 11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded: 2021Source: RevenueBaseRetrieved October 13, 2026
Published list appearances: 1 supported appearance ↗Source: RevenueBase lists

The company at a glance

What does Seafields do?

The company works with partners to intercept, manage and productively use Sargassum before it reaches Caribbean beaches. Its integrated solution combines nearshore, in-water barrier interception with paddocks for biomass management, stabilisation and storage.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

Seafields works with governments, coastal communities and commercial partners.

What the business offers

Services & capabilities.

Sargassum interception

The solution uses nearshore, in-water barriers to intercept Sargassum and paddocks to manage, stabilise and store biomass.

Source: LinkedIn company description · Retrieved October 13, 2026

Industrial feedstock transformation

Seafields transforms harmful Sargassum into circular industrial feedstocks for applications including biostimulants, biochar, biomaterials and other bio-based products.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

#18OF 25

United Kingdom

Seaweed processors

Snapshot: September 21, 2026

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Seafields

#18 Seaweed processors

Snapshot: September 21, 2026

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Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 21, 2026. How the company lists are built.

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