The Global Seaweed Fertiliser Market was valued at USD 1,397 Million in 2023 and is projected to reach USD 1,753.47 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 3.30% during the forecast period. This expansion reflects the agricultural sector’s accelerating shift toward organic inputs, supported by government policies promoting sustainable farming practices globally.

Seaweed fertilizers have emerged as a superior alternative to synthetic options due to their rich micronutrient content and natural biostimulant properties. This analysis profiles the Top 10 Companies in the Seaweed Fertiliser Industry that are leading this agricultural revolution through innovative product development and sustainable harvesting practices.

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🔟 1. Acadian Seaplants Limited

Headquarters: Dartmouth, Canada
Key Offering: Acadian® Organic Seaweed Fertilizers (Ascophyllum nodosum-based)

As the industry pioneer since 1981, Acadian Seaplants maintains the largest wild-harvested seaweed operation in North America. Their patented cold-processing techniques preserve bioactive compounds that enhance crop resilience and soil microbiomes.

Sustainability Highlights:

• MSC-certified sustainable harvesting across 10,000+ hectares
• Renewable energy-powered extraction facilities
• Research partnerships with 27 agricultural universities

Download FREE Sample Report: Seaweed Fertiliser Market – View in Detailed Research Report

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9️⃣ 2. Brandt Consolidated

Headquarters: Springfield, Illinois, USA
Key Offering: Brandt Manni-Plex® Biostimulants

Brandt revolutionized seaweed fertilizer efficacy through its chelation technology, which increases nutrient bioavailability by 300% compared to conventional extracts. Their products now serve over 60 crop types across 60+ countries.

Sustainability Highlights:

• Zero-waste manufacturing processes
• Precision agriculture integration reduces over-application
• Carbon-negative production by 2025 commitment

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8️⃣ 3. Kelpak (Pty) Ltd

Headquarters: Cape Town, South Africa
Key Offering: Kelpak® Liquid Organic Fertilizer

With 40 years of specialized research into Ecklonia maxima, Kelpak delivers unique plant growth hormones that improve drought resistance and root mass development in arid-region agriculture.

Sustainability Highlights:

• Regenerative harvesting cycles ensure species protection
• 100% biodegradable formulations

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7️⃣ 4. Biostadt India Limited

Headquarters: Mumbai, India
Key Offering: Biozyme® Seaweed-based Fertilizers

As India’s largest biostimulant producer, Biostadt serves 1.2 million smallholder farmers with affordable organic solutions tailored for tropical crops like rice, cotton, and sugarcane.

Sustainability Highlights:

• Farmer education programs reaching 500,000 annually
• Solar-powered production facilities

Download FREE Sample Report: Seaweed Fertiliser Market – View in Detailed Research Report

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6️⃣ 5. Seasol International

Headquarters: Bayswater, Australia
Key Offering: Seasol® Organic Fertilizers

Specializing in Durvillaea potatorum seaweed, Seasol developed formulations that increase water retention in plants by up to 40%, making it essential for Australia’s drought-prone agriculture.

Sustainability Highlights:

• Carbon-neutral production certification
• Native seaweed conservation initiatives

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5️⃣ 6. Algea (A.P. Moller – Maersk)

Headquarters: Oslo, Norway
Key Offering: Algifert™ Professional Solutions

Leveraging Norway’s pristine fjord ecosystems, Algea produces pharmaceutical-grade seaweed extracts with 18% higher cytokinin content than industry averages for premium horticulture applications.

Sustainability Highlights:

• Blue Economy stewardship programs
• Zero byproduct manufacturing

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4️⃣ 7. CP Kelco

Headquarters: Atlanta, Georgia, USA
Key Offering: Alginate Soil Amendments

CP Kelco applies decades of hydrocolloid expertise to create soil conditioners that improve water retention by up to 35% and nutrient availability in arid regions.

Sustainability Highlights:

• Circular production models utilizing byproducts
• Water conservation-focused R&D

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3️⃣ 8. Leili Marine Bioindustry

Headquarters: Yantai, China
Key Offering: Sargassum-based Organic Inputs

As Asia’s largest seaweed processor, Leili converts algal blooms into affordable fertilizers while addressing marine environmental challenges through large-scale harvesting operations.

Sustainability Highlights:

• Ecosystem restoration projects
• Integrated aquaculture systems

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2️⃣ 9. Grow More, Inc.

Headquarters: Gardena, California, USA
Key Offering: Seaweed-Blend Specialty Fertilizers

Focusing on high-value crops, Grow More’s tailored formulations increase berry yields by 18-25% and vineyard productivity by 15% compared to conventional fertilizers in field trials.

Sustainability Highlights:

• OMRI and CDFA organic certifications
• Closed-loop water systems

Read Full Report: Seaweed Fertiliser Market – View in Detailed Research Report

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1️⃣ 10. AgriGro, Inc.

Headquarters: Sikeston, Missouri, USA
Key Offering: BioST™ Microbial Blends

AgriGro’s innovative combination of seaweed extracts with proprietary microbial consortia has demonstrated 20-30% higher nutrient use efficiency in row crops compared to standalone products.

Sustainability Highlights:

• Chemical use reduction programs
• Soil health regeneration initiatives

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🌱 Market Outlook: Sustainable Growth Through Innovation

The seaweed fertilizer sector is transforming modern agriculture with:

📈 Key Development Trends:

• 15% annual growth in controlled environment agriculture adoption
• 40% increase in organic farmland since 2020
• New EU regulations phasing out synthetic fertilizers
• Advances in enzymatic extraction technologies

Get Full Report Here: Seaweed Fertiliser Market – View in Detailed Research Report

These industry leaders are not just supplying products—they’re enabling agriculture’s necessary transition toward regenerative, climate-positive farming systems.