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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 (2023-2030). This growth is fueled by increasing organic farming adoption, rising environmental awareness, and government initiatives promoting sustainable agriculture worldwide.

As agriculture shifts toward eco-friendly solutions, seaweed-based fertilizers are gaining prominence for their nutrient-rich composition and soil-enhancing properties. These organic inputs contain over 70 micronutrients and phytohormones that improve crop resilience. Here we profile the Top 10 Companies in the Seaweed Fertiliser Industry—innovators who are shaping the future of sustainable crop nutrition.

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🔟 1. Acadian Seaplants Limited

Headquarters: Dartmouth, Nova Scotia, Canada
Key Offering: Ascophyllum nodosum-based agricultural solutions

The industry pioneer with 50+ years of expertise in seaweed-derived agricultural products. Their patented extraction process preserves bioactive compounds that enhance plant growth and stress tolerance across diverse crops.

Sustainability Initiatives:

• First company to achieve MSC certification for sustainable seaweed harvesting
• Zero-waste manufacturing processes since 2018
• Global organic certification compliance

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

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9️⃣ 2. Kelpak

Headquarters: Cape Town, South Africa
Key Offering: Ecklonia maxima-based liquid fertilizers

Specializes in cold-processed seaweed extracts that retain natural cytokinins and auxins, proven to increase crop yields by 15-30% in field trials. Their formulations are particularly effective for drought-stressed crops.

Sustainability Initiatives:

• Marine Stewardship Council-certified wild harvesting
• Carbon-negative production since 2020

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8️⃣ 3. Seaweed Energy Solutions AS

Headquarters: Oslo, Norway
Key Offering: Large-scale cultivated seaweed fertilizers

Pioneers in offshore seaweed farming with 400+ hectares of cultivated seaweed beds. Their vertical integration from cultivation to finished fertilizers ensures traceability and consistent quality.

Sustainability Initiatives:

• Regenerative ocean farming techniques
• Carbon sequestration through kelp forests

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7️⃣ 4. Grow More, Inc.

Headquarters: Gardena, California, USA
Key Offering: Specialty crop formulations

Leaders in precision-formulated seaweed products for high-value crops, with particular success in organic cannabis cultivation (holds 22% market share in this segment).

Sustainability Initiatives:

• Water conservation technologies
• Local sourcing initiatives

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

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6️⃣ 5. CP Kelco

Headquarters: Atlanta, Georgia, USA
Key Offering: Refined seaweed derivatives

A Huber company that produces high-purity seaweed extracts for commercial agriculture. Their R&D focuses on enhancing nutrient uptake efficiency and plant immunity responses.

Sustainability Initiatives:

• Eco-certified extraction methods
• Circular water usage systems

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5️⃣ 6. Brandt Consolidated, Inc.

Headquarters: Springfield, Illinois, USA
Key Offering: Seaweed-based foliar feeds

Their flagship product Manni-Plex is used on 5 million acres annually across 50+ crop types. The company integrates seaweed extracts with other biostimulants for enhanced efficacy.

Sustainability Initiatives:

• 90% post-consumer recycled packaging
• Precision application systems

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4️⃣ 7. Leili Marine Bioindustry Inc.

Headquarters: Yantai, China
Key Offering: Cost-effective Asian market solutions

China’s largest seaweed processor, supplying 200,000+ smallholder farms annually with affordable organic inputs. They’ve developed unique formulations for rice paddies and other Asian staple crops.

Sustainability Initiatives:

• Farmer education programs
• Coastal community partnerships

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3️⃣ 8. Biostadt India Limited

Headquarters: Mumbai, India
Key Offering: Tropical agriculture solutions

Specialists in formulations for challenging South Asian growing conditions. Their products help crops withstand heat waves and saline soils while improving yields by 18-25%.

Sustainability Initiatives:

• Women-led seaweed collection programs
• Smallholder affordability programs

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2️⃣ 9. Seasol International Pty Ltd

Headquarters: Bayswater, Australia
Key Offering: Premium liquid extracts

Dominates the Australian market with bull kelp-based products effective in arid conditions. Their R&D focuses on drought and salinity tolerance enhancement.

Sustainability Initiatives:

• Marine ecosystem protection quotas
• Renewable energy facilities

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1️⃣ 10. AlgaeCytes Limited

Headquarters: London, United Kingdom
Key Offering: Microalgae-based fertilizers

Biotech innovator producing next-generation algal fertilizers with 3x higher bioactive compound concentration than traditional seaweed extracts. Their vertical farming systems enable year-round production.

Sustainability Initiatives:

• Land-based cultivation eliminates marine impact
• AI-driven resource optimization

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

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🌱 Outlook: Sustainable Agriculture Growth Through Seaweed Innovation

The seaweed fertilizer sector is evolving with advanced cultivation and processing technologies. Leading companies are investing in precision formulations tailored to specific crops and conditions, while maintaining organic certification standards.

📈 Key Industry Trends:

• Increasing adoption in conventional farming systems
• Enhanced extraction technologies improving product efficacy
• Digital farming integration for optimized application
• Emerging market expansion in Africa and Latin America

These industry leaders are not just supplying organic inputs—they’re revolutionizing sustainable agriculture through innovative seaweed-based solutions that benefit both crops and the environment.

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