Lemrock
Entrepreneur First '25Paris, FR · Founded 2025 · 11 known investors
Lemrock provides e-commerce integrations that deploy across the open web and search LLMs, connecting a network of onboarded merchants. Its offering emphasizes GDPR compliance and brand-safe exposure for performance-oriented advertising.
Also known as Lemrock AI
Founders & leadership
Lemrock was founded in 2025 by Roxane Laigle, Clément Nguyen, and Sasha Collin.
Investors · 11
Also in the syndicate · 5
Company profile
researched Aug 2026Lemrock is a Paris-based startup building infrastructure for what it and its investors call "agentic commerce": the distribution and sale of products directly inside conversational AI environments such as ChatGPT, Gemini, Claude, Perplexity, Mistral AI and DeepSeek. The company positions itself as middleware between e-commerce catalogues and AI platforms, ingesting a brand's full product catalogue — including real-time pricing and availability — and structuring it for interpretation and retrieval by large language models through a single integration point.
The product set, marketed as an "Agent Storefront," covers mass-scale LLM search (exposure of catalogues to high-intent queries on large conversational platforms), "precision LLM interfaces" (thematic conversational agents such as beauty advisors, travel planners or health companions in which products are matched in context), intent-based matching and personalisation using profile, context and history, brand-aligned content generation, transaction handling within the conversation, and analytics on what humans and agents are asking, searching and buying. Coverage of the company describes a "chat to cart" experience in which brands retain control over their data, pricing, presentation and margins.
The company was founded in 2025 by Roxane Laigle (CEO), Sasha Collin (CPO) and Clément Nguyen (CTO). Reporting describes Laigle as a former Fnac Darty strategy director who led AI pilots, and Collin and Nguyen as repeat Y Combinator founders (YC S24), with Nguyen previously at Mindely and having a McKinsey/Rakuten machine-learning background. Lemrock was selected to join the Agoranov deeptech incubator and, as of March 2026, reported deployments across Europe and the United States.
Founding story
The company was founded in 2025 by Roxane Laigle (CEO), Sasha Collin (CPO) and Clément Nguyen (CTO). Coverage of the seed round describes Laigle as a former Fnac Darty strategy director who led AI pilots, and Collin and Nguyen as repeat Y Combinator founders from the S24 batch whose prior venture, Mindely, built real-time voice AI agents; Nguyen is also described as ex-McKinsey with Rakuten machine-learning experience [5][7].
Business model
B2B: Lemrock sells infrastructure to brands and retailers that lack the internal expertise, time or resources to build their own AI-platform integrations, providing a single technical access point to major conversational platforms covering catalogue integration, real-time availability, transaction handling and performance tracking [4][7].
Traction
As of March 2026 the company reported 60+ onboarded brands across Europe and the United States, more than 100 million AI commerce interactions per month, over 10 million live products and more than 1 billion queries processed yearly across major LLM platforms. It also advertises 10x ROAS versus traditional digital commerce channels; these figures are company-reported [0][3][4][5][7].
Latest developments
On 11 March 2026 Lemrock announced a €6 million ($7 million) seed round led by Galion.exe, with Criteo founder Jean-Baptiste Rudelle joining the board. Reported follow-on activity includes joining the Agoranov deeptech incubator, launching proprietary models, and hiring across AI research engineering, tech lead and operations roles to support team growth and US expansion [3][5][7].
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
Positioned as an independent, neutral, multi-platform infrastructure layer for agentic commerce. One analysis contrasts Lemrock's focus on external LLM distribution with on-site AI search vendors such as Constructor.io, payments-focused players such as Skyfire, and single-platform approaches such as New Era of Shopping, while noting that AI platforms including Perplexity and OpenAI building native commerce features are a longer-term competitive threat [4][5].
A single integration giving brands access to multiple conversational platforms rather than a platform-specific solution, end-to-end coverage from catalogue ingestion to transaction and analytics, brand control over data, pricing and margins, and proprietary models trained on agentic commerce conversation data [4][5][7].
Technology
A middleware stack that ingests product catalogues with real-time pricing and availability and structures them for LLM interpretation and retrieval, plus a proprietary LLM orchestration layer that matches queries to products, personalises recommendations by profile, context and history, and generates brand-aligned content. The company states its architecture is built around specialised AI models trained on what it describes as the largest independent agentic commerce dataset outside Big Tech, drawing on millions of real agentic conversations [0][4][5][7].
Go-to-market
Direct B2B sales to brands and retailers, with a "request demo" motion on the website and one-click connection to AI platforms; distribution is amplified by partnerships with large European retailers and by angel investors drawn from e-commerce and retail operators [0][4][7].
Brands and retailers — including large European e-commerce and consumer companies — that want visibility and transaction capability inside AI assistants. Named users cited in coverage include Maisons du Monde, Cdiscount, Darty/Fnac Darty, Leroy Merlin, Lidl, Rakuten, DIM, Engie and Lebara [4][5][7].
Geography
Headquartered in Paris, France, with infrastructure reported live across Europe and the United States; post-funding plans emphasise international/US expansion [3][5][7].
History
Founded in 2025 in Paris by Roxane Laigle, Sasha Collin and Clément Nguyen. Within its first months the company reported onboarding more than 60 brands and handling over 100 million monthly AI commerce interactions, and on 11 March 2026 announced a €6 million ($7 million) seed round led by Galion.exe. Around the same period it joined the Agoranov deeptech incubator and launched proprietary models [3][5][7].
Risks & controversies
Coverage flags an early-stage and uncertain market: open questions about consumer adoption of agentic purchasing, and the risk that major AI platforms such as OpenAI and Perplexity build native commerce features in-house, displacing third-party middleware. Traction metrics are company-reported and not independently verified [4][5].
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 4
launches, deals, and filingsParis-based Lemrock announced a €6M ($7M) seed round led by early-stage VC fund Galion.exe, with angel participation from Michaël Benabou (Veepee), Gary Anssens (Alltricks/Decathlon), Frédéric Halley, Emmanuelle Brizay and Antoine Lizée (Alan). Proceeds are earmarked for product development, hiring, and expansion across Europe and the US.
$7M source ↗
As part of the seed round, Jean-Baptiste Rudelle, founder of Criteo and a member of Galion.exe's investment committee, joined Lemrock's board of directors.
Lemrock was selected to join Agoranov, described as one of Europe's leading deeptech incubators.
Reported brand and retailer partners include Maisons du Monde, Cdiscount, Darty (Fnac Darty), Leroy Merlin, Lidl, Rakuten, DIM, Engie and Lebara.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 8
primary sources listed
- Lemrocklemrock.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Lemrock do?
- Paris-based agentic commerce infrastructure that connects brand catalogues to LLMs so products can be found and bought in chat.
- Who founded Lemrock?
- Lemrock was founded by Roxane Laigle, Clément Nguyen, Sasha Collin in 2025.
- Who are Lemrock's investors?
- Lemrock's investors include Agoranov, Entrepreneur First, Sie Ventures, Sonorcap, Transpose Platform Management, Galion.exe.
- Where is Lemrock headquartered?
- Lemrock is headquartered in Paris, FR.