Marine & Industrial Coatings and Hardware
Llewellyn Marine Supply (svendsens.com) scores 70 out of 100 on Brand Analyzer, placing it in the Developing tier among E-commerce brands, Manufacturing brands, Other brands, in the 23rd percentile of 22271 E-commerce brands.
Llewellyn Marine Supply, Inc. is a marine and industrial supply company serving the marine professional repair market since 1936. Operating from two locations covering Northern and Southern California, it offers top-named brands of marine and industrial coatings and hardware. The company positions itself as a long-standing, trusted supplier catering to marine professionals, boat repair technicians, and industrial contractors seeking quality products for repair and maintenance work.
| Brand Name | Llewellyn Marine Supply |
|---|---|
| Domain | svendsens.com |
| Industry | E-commerce, Manufacturing |
| Founded | 1936 |
| Main Competitors | West Marine (76/100), Jamestown Distributors (79/100), Defender Industries (67/100), Sherwin-Williams (Marine Coatings) (76/100), Fisheries Supply (72/100), TACO Marine (74/100) |
Moz Domain Authority 28/100 vs category average 42 / leader 95 - limited third-party links, so AI systems rarely encounter mentions of the brand.
No Wikipedia presence was found - a major gap, since Wikipedia is among the most heavily weighted sources in AI training data.
The homepage meta description reads "Discover Llewellyn marine Supply, Inc. Now in 2 locations, serving Northern and Southern California. Offering top named brands of marine & industrial coatings and hardware!" (Meta description: 25 words (ideal length). OG description present and descriptive) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: 1 JSON-LD block(s), Organization schema, Breadcrumb/Website schema, og:title, og:description, og:image, og:type, Twitter cards, canonical. Adding FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt present, no AI bot restrictions - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Detected tech stack: Express, Vue.
Social footprint: verified profiles on X (Twitter), Instagram, GitHub; no detected presence on LinkedIn, Facebook, YouTube - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked October 2026.
When asked "What is Llewellyn Marine Supply?", Claude could not identify the brand as of October 2026. I don't recognize 'Llewellyn Marine Supply' as a specific company, and the paired website svendsens.com actually appears to belong to Svendsen's Marine, so the name and domain don't seem to match, which makes it hard to confirm any details.
When asked "Best brands similar to Llewellyn Marine Supply?", Claude would not surface Llewellyn Marine Supply as of October 2026. I can't vouch for a company I can't verify or clearly identify, especially given the mismatch between the stated name and website.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
Llewellyn Marine Supply's main competitors in E-commerce: West Marine (76/100), Jamestown Distributors (79/100), Defender Industries (67/100), Sherwin-Williams (Marine Coatings) (76/100), Fisheries Supply (72/100).
Sources: Brand Analyzer scan
Llewellyn Marine Supply has limited AI-search visibility, scoring 34/100 on Brand Analyzer's AI visibility composite (visibility 17, trust 45, recommendation 51). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Llewellyn Marine Supply scores 51/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest E-commerce options. Recommendation depends on crawlability, structured data, and category authority.
Llewellyn Marine Supply, Inc. is a marine and industrial supply company that has served the marine professional repair market since 1936. It operates two locations covering Northern and Southern California, offering top-named brands of marine and industrial coatings and hardware to professionals in the boat repair industry.
Llewellyn Marine Supply can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Llewellyn Marine Supply offers marine and industrial coatings along with hardware products from top-named brands. These products are tailored for use by marine professionals and repair technicians, supporting boat maintenance, repair, and related industrial applications.
Llewellyn Marine Supply is used by marine professionals, boat repair technicians, and industrial contractors located in Northern and Southern California who require quality coatings, hardware, and tools for marine repair and maintenance work.
Llewellyn Marine Supply is known for providing top-named brands of marine and industrial coatings and hardware, and for its long history serving the marine professional repair market since 1936. It is recognized as a reliable regional supplier for marine repair professionals across Northern and Southern California.
Llewellyn Marine Supply scores 34/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
Llewellyn Marine Supply has a weak AI-visibility profile at 34/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (51/100) and its weakest is visibility (17/100). It benefits from a Wikidata knowledge-graph entry, open access for AI crawlers (GPTBot, ClaudeBot, etc.) and machine-readable schema.org markup. The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data, a low Moz Domain Authority of 28/100 and no llms.txt to steer AI to its best pages. In a live check (October 2026), Claude could not identify Llewellyn Marine Supply from memory, confirming the gaps above.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to Llewellyn Marine Supply: Sunhotels (70/100), St. Gabriel Organics (70/100), Swing-N-Slide (70/100), SwordsSwords (70/100).
A step up - brands to learn from: Zypp Electric (71/100), Zoologist Perfumes (71/100).
Category leader: DHL (97/100).
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