Thalasso

What Thalasso does

Thalasso AS (also trading as Thalasso Ocean) is a Norway-domiciled private company founded in 2021 and headquartered in Florø that targets the environmental and economic damage caused by record-breaking sargassum blooms across the Caribbean and adjacent waters. Its commercial proposition is the conversion of sargassum from a coastal hazard into a feedstock for valuable chemical compounds, addressing both governments and hotels facing beach contamination and enterprises seeking sustainable bio-based raw materials.

The company sells two integrated hardware-and-process solutions: Thalasso Harvester, an electric, remotely operated autonomous aquatic system designed to harvest sargassum at sea in a manner that is harmless to marine life and operable in rough water; and Thalasso Biotech, a portable micro-biorefinery unit that processes harvested seaweed on-site into chemical compounds for pharmaceuticals, cosmetics, food, fashion, and agriculture applications. Together, these form an end-to-end harvest-to-product pipeline.

Thalasso operates a B2B enterprise field-sales motion targeting hotels, national and local governments, and global enterprises, combined with a community-led model that coordinates coastal communities for bloom monitoring and harvesting. Pricing is quote-based and not publicly disclosed. Capital has been thin — approximately $360,000 disclosed across small rounds and accelerator tranches from 2021 to 2024 — and the company's headcount remains in the 1–10 range. Operational scaling signals emerged in mid-2026, including regional expansion across the Caribbean and the ZONE, formalization of an Advisory Board, and a Roll-Out Plan announcement.

Name

Thalasso

Legal name

Thalasso AS

Website

https://thalassoocean.com

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

1–10 employees

Short description

Thalasso AS is a Norway-based ocean technology company that deploys autonomous electric harvesters and portable micro-biorefineries to manage sargassum blooms across the Caribbean, serving coastal governments, hotels, and global enterprises seeking sustainable seaweed-derived chemical compounds.

Ownership category

akta.pro rank

Product category

Marine Sargassum Harvesting and Processing Technology

NAICS

Aquaculture (1125), Animal Production and Aquaculture (112), Other Aquaculture (112519)

SIC

Fishing, Hunting And Trapping (900)

akta.pro primary industry

Seaweed & Algae Aquaculture (incl. microalgae) (AFAEAAAE)

akta.pro secondary industries

Aquaculture Farm Services & Operations Support (net cleaning, diving, grading, harvesting) (AFAEAAAM), Ocean-Based Carbon Removal (Alkalinity Enhancement, Seaweed, Ocean Biomass Sinking) (EUABAFAF)

Keywords

• Sargassum harvesting
• Seaweed management
• Autonomous aquatic technology
• Micro-biorefinery processing
• Marine biotechnology equipment

Headquarters

HQ city

Florø

HQ country

Norway

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Supply Chain

Revenue model

1. Harvester Technology Sales/Services: Providing autonomous sargassum harvesting technology and services to hotels, governments, and global enterprises as part of a circular complementary business model.
2. Micro Biorefinery Services: Connecting seaweed farmers to micro biorefinery facilities, enabling them to transform seaweed into valuable chemical compounds for industries including pharma, cosmetics, food, fashion, and agriculture.
3. Community Partnership Model: Community-led approach where Thalasso coordinates with coastal communities for bloom monitoring and harvesting, creating livelihood opportunities and turning sargassum from hazard into resource.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

Thalasso manufactures and deploys autonomous electric aquatic harvesters to remove sargassum at sea and operates portable micro-biorefineries that process the harvested seaweed into valuable chemical compounds. The company's solutions are sold to coastal governments, hotels, and global enterprises as an integrated sargassum management and seaweed valorization system.

Product overview

Thalasso is a sustainable seaweed and sargassum management company offering two integrated core products: the Thalasso Harvester (autonomous aquatic technology for harvesting sargassum at sea before it reaches shorelines) and the Thalasso Biotech (portable micro-biorefineries for on-site processing of harvested seaweed into high-value chemical compounds). Together, these solutions form an end-to-end approach that converts sargassum from an environmental hazard into valuable resources for coastal communities.

Differentiator

Problem solved

Functional benefit

Brands

• Thalasso Harvester: Pioneering autonomous aquatic technology for sustainable and scalable sargassum harvesting.
• Thalasso Biotech

Products and services

• Thalasso Harvester Autonomous electric aquatic harvesting system designed to remove sargassum at sea in a sustainable and scalable way; harmless to marine life, operable in rough water conditions, and remotely controlled from the beach or anywhere in the world. Sold to governments, coastal hotels, and global enterprises for sargassum bloom management.
• Thalasso Biotech Portable micro-biorefineries that enable coastal communities and seaweed farmers to transform harvested seaweed into valuable chemical compounds for pharmaceuticals, cosmetics, food, fashion, and agriculture; compact, easy to install, high-yield, and suited for remote seaweed farms.

Quantifiable outcome

• Transforms sargassum from a hazard into valuable resources including plastic alternatives and biofertilizers
• +2 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Nine partnerships are on record, tiered minor, core and moderate.

• AksellominorOthersEcosystem member organization supporting Thalasso's operations. Aksello is a Norwegian advisor/expert organization.
• Seaworthy CollectivecoreStrategic or Co-development PartnerSeaworthy Collective is a key partner whose experience spans research, industry, and academia. Daniel Kleinman, Founder & CEO of Seaworthy Collective, serves on Thalasso's Advisory Board.
• Ocean Autonomy ClusterminorOthersEcosystem member organization focused on ocean autonomy technology and innovation.
• Blue Bio ValueminorOthersEcosystem member organization related to blue biotechnology and bioeconomy.
• ToolminorOthersEcosystem member organization (Tool Lab) supporting innovation.
• NewlabmoderateStrategic or Co-development PartnerNewlab is a technology innovation organization that supports Thalasso as an ecosystem member.
• Ocean InnovationmoderateOthersOcean innovation organization supporting sustainable ocean technology companies.
• DigicatminorOthersInnovation ecosystem organization supporting technology ventures.
• Parallel18moderateStrategic or Co-development PartnerPuerto Rico-based accelerator program supporting innovative startups. Thalasso participates in this program.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• SOS Carbon: SOS Carbon is a Dominican Republic–based climate-tech company that harvests and converts sargassum into biochar, bioplastics, and other bioproducts. It is the closest direct competitor to Thalasso's combined harvester-plus-biorefinery play and competes for the same Caribbean government and hotel customers.
• Sea6 Energy: Sea6 Energy is an India-based ocean-platform company that cultivates and processes red seaweed into bioproducts for agriculture, animal feed, and bioenergy. It is comparable to Thalasso in combining seaweed-sourced raw material with downstream conversion into chemical/bioactive compounds.

Emerging players

• Brilliant Planet: Brilliant Planet grows microalgae in seawater ponds on coastal desert land to deliver measurable, low-cost carbon removal. Like Thalasso it pairs ocean-based algae cultivation with a high-value downstream product (carbon credits) and competes for ESG-linked enterprise and government customers.
• Running Tide: Running Tide cultivates and sinks macroalgae (kelp) in the open ocean for carbon removal while also producing aquaculture, bioproduct, and fish-feed revenue streams. It mirrors Thalasso's model of using seaweed biomass as the feedstock for both climate value and industrial bioproducts.
• Kelp Blue: Kelp Blue cultivates giant kelp at scale for blue-carbon credits and extracts such as alginate. It is comparable to Thalasso in commercializing large-scale seaweed farming combined with downstream ingredient monetization.
• Algix: Algix produces sustainable algae-based biomaterials for plastics, footwear, and textiles from wild and cultivated algae biomass. It overlaps with Thalasso's downstream ambition of replacing petroleum-based inputs with seaweed-derived chemical compounds.
• Algaia: Algaia extracts and markets seaweed-derived hydrocolloids and bioactive compounds (texturizers, biostimulants) for food, agriculture, and personal care. It is a comparable downstream buyer route for sargassum-derived extracts and competes for the same enterprise customers Thalasso targets.
• Tidal Vision: Tidal Vision manufactures chitosan-based solutions and other marine-derived bioproducts for industrial, agricultural, and water-treatment end markets. It is comparable to Thalasso in commercializing ocean-derived polymers for sustainability applications.

Broad incumbents

• CP Kelco: CP Kelco is a global incumbent producer of hydrocolloids (pectin, carrageenan, xanthan) and other specialty food ingredients, including those derived from seaweed. As the largest industry buyer of seaweed-derived inputs, it sets price benchmarks relevant to Thalasso's biorefinery output.
• Cargill: Cargill is a global agricultural-commodities and food-ingredients conglomerate that operates a seaweed-derived carrageenan business alongside much broader ingredient and supply-chain activities. It is comparable as both a potential offtake partner and a large incumbent in Thalasso's downstream bioproduct addressable market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/thalasso-as

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds5 records

Investors3 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Thalasso