The Cornish Seaweed Company

What The Cornish Seaweed Company does

The Cornish Seaweed Company Ltd is a UK private limited company (registered in England, company number 09729421) that operates a direct-to-consumer e-commerce business selling hand-harvested, Soil Association–certified organic seaweed products sourced from Cornish coastal waters. Its catalogue of approximately 36 SKUs spans dried and flaked seaweed for cooking, seasonings, thins, a published cookbook, supplements (including Sea Moss, Kelp, Clarity & Focus, Marine Collagen + Vit C, and Menstrual Ease), bath and shower products, gift bundles, and a plant care line. Distribution is exclusively through its own Shopify-powered storefront (cornishseaweed.co.uk) with UK-only shipping via Royal Mail 24h and free delivery above £20; a wholesale page indicates a secondary B2B channel, and a subscription programme offers a 15% recurring discount across flexible delivery cadences.

The business is led by founders Caroline Warwick-Evans and Tim van Berkel, who co-authored 'The Seaweed Cookbook' (Anness Publishing) — a product that also functions as a content-marketing asset. Differentiation rests on provenance and certification rather than technology: Shellfish Classification A or B harvest sites, regular independent lab testing for heavy metals and contaminants, government-monitored waters, sustainable hand-harvesting methods, and plastic-free/biodegradable/compostable packaging. The company has no disclosed external funding, no parent company, no AI or proprietary technology stack, and no international footprint, positioning it as a small, founder-led, vertically-focused UK DTC specialty food and wellness brand.

Name

The Cornish Seaweed Company

Legal name

The Cornish Seaweed Company Ltd

Website

https://cornishseaweed.co.uk

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

1–10 employees

Short description

The Cornish Seaweed Company is a UK-based, Soil Association-certified DTC e-commerce brand that sells hand-harvested organic seaweed products — food, supplements, bath, and gifts — to UK consumers via its own Shopify storefront.

Ownership category

akta.pro rank

Product category

Organic Seaweed Products

NAICS

Seafood Product Preparation and Packaging (311710), Fish and Seafood Retailers (44525), Fish and Seafood Merchant Wholesalers (42446)

SIC

Miscellaneous Food Preparations & Kindred Products (2090), Food And Kindred Products (2000)

akta.pro primary industry

Seaweed & Dried Vegetable Snacks Manufacturing (AFAKAIAI)

akta.pro secondary industry

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

Keywords

• Organic seaweed products
• Wild harvested seaweed
• Seaweed supplements
• Dried seaweed flakes
• Seaweed bath products

Headquarters

HQ city

Helston

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure, Technology or R&D

Revenue model

1. Direct E-commerce Sales: Direct-to-consumer online sales of seaweed food products, supplements, bath products, and gifts through their Shopify-powered e-commerce website. One-time purchase model for individual products.
2. Subscription/Recurring Revenue: Subscription program offering automatic delivery of selected products at 15% exclusive discount. Frequencies of 15, 30, 60, or 90 days available. Customers can skip or cancel anytime.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

The Cornish Seaweed Company hand-harvests wild seaweed from the Cornish coast in the UK and processes it into organic-certified food products (dried flakes, seasonings, snacks), nutritional supplements, and bath/skincare items. The company sells these products directly to consumers through its own Shopify-powered e-commerce website, with a UK-only shipping policy and an optional recurring subscription program offering a 15% discount.

Differentiator

Problem solved

Functional benefit

Products and services

• Dried & Flaked Seaweed Pouches Hand-harvested, Soil Association certified organic dried and flaked seaweed pouches intended for home cooking and seasoning use. Includes products like Organic Whole Dulse and Sea Salad Shaker.
• Seaweed Seasonings Shaker-format seaweed-based seasonings including Seaweed Salt (70g) and Seaweed Pepper (40g) used as cooking condiments to add umami flavor.
• Seaweed Nutritional Supplements Capsule-format nutritional supplements derived from seaweed targeting thyroid support, cognitive function, skin and joint health, hormonal balance, and energy metabolism. Includes Kelp, Clarity & Focus, Sea Moss, Marine Collagen + Vit C, and Menstrual Ease.
• Seaweed Bath & Shower Products Seaweed-based bath therapy products including Seaweed Bath Bags designed to support muscle relaxation, skin health, and a calming bath ritual.
• Gifts & Bundles Curated gift sets and product bundles such as the New To Seaweed Set (£22.50), intended as gift purchases or starter packs for consumers new to seaweed.
• The Seaweed Cookbook A published cookbook featuring 70+ seaweed-based recipes, co-authored by Caroline Warwick-Evans and Tim van Berkel and sold directly through the company's e-commerce store at £19.50.
• Seaweed Plant Care Products Seaweed-derived plant care products sold through the Plant Care collection on the company's e-commerce store.
• Subscription Delivery Program A recurring subscription service providing automatic delivery of selected Cornish Seaweed products at a fixed 15% exclusive discount, with flexible delivery frequencies (every 2 weeks, monthly, every 2 months, or every 3 months) and the ability to skip or cancel anytime.
• Wholesale Program A B2B wholesale channel through which retailers and other resellers can purchase Cornish Seaweed products for resale through their own retail channels.

Quantifiable outcome

• High in iodine - Kelp supplement contains 300% NRV iodine per capsule
• +1 more outcomes

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• ShopifycoreTechnology or IntegrationShopify powers their e-commerce platform and online store, enabling all sales transactions, payment processing, and customer account management. The company explicitly states 'Cornish Seaweed is powered by Shopify' and all customer purchases are made directly with Cornish Seaweed.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Seasnax: US organic roasted seaweed snack brand distributed through DTC and major US retailers. Comparable snack-format product line and organic certification, but US-market focused with broader grocery retail distribution.
• Atlantic Sea Farms: US regenerative seaweed farming cooperative producing kelp-based food and bath products. Comparable product mix (seaweed foods + skincare) and sustainability story, but US-focused and aquaculture-based rather than wild-harvested.
• Mara Seaweed: Scotland-based direct competitor harvesting and processing wild seaweed into food and supplement products. Operates a similar DTC model with seaweed snacks, flakes, and supplements, and overlaps closely on the British/UK premium seaweed positioning.
• Just Seaweed: UK seaweed snack and seasoning brand selling dried seaweed thins and flakes via DTC. Direct competitor in the same UK retail and gifting channel set with overlapping SKUs in the snack/seasoning category.
• Wild Irish Seaweed: Small Irish hand-harvested seaweed brand selling dried seaweed, flakes, and bath products via DTC e-commerce. Highly comparable on wild-harvesting heritage, single-country sourcing, and direct-to-consumer packaged food model.
• The Seaweed Company: European (Netherlands/Ireland) seaweed producer offering food, supplements, and skincare products with sustainability and traceability claims. Closely comparable on product breadth (food + bath + supplements) and on the premium certified-organic value proposition.

Broad incumbents

• Clearspring: Established UK organic and Japanese-inspired food brand including seaweed products (nori, kombu, wakame) plus a much wider pantry range. Comparable UK DTC presence and organic positioning, but operates as a broad organic food portfolio rather than a seaweed specialist.
• Annie Chun's: Larger US/Asian pantry brand offering seaweed snacks alongside noodles, rice, and sauces. Comparable on seaweed snacks but operates as a mass-market CPG with extensive grocery distribution rather than a niche wild-harvest DTC brand.

Regional players

• Cornish Sea Salt: Cornwall-based premium artisanal salt brand selling DTC and wholesale into UK retailers. Comparable on Cornish provenance, premium DTC brand building, and UK gourmet food distribution, though it sits in an adjacent (salt) rather than overlapping product category.

Emerging players

• Oceans & Oak: Emerging DTC brand offering seaweed-based wellness products including supplements and skincare. Comparable premium positioning and wellness use cases (thyroid, skin, energy) targeting similar health-conscious consumer segments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/CornishSeaweed
• Facebookfacebook.com/CornishSeaweed
• Instagraminstagram.com/cornishseaweed

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

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 The Cornish Seaweed Company