Sillage

Cover Block

Name	Sillage
Tagline	GTM agent platform surfacing real-time buying signals for enterprise sales
Headquarters	Paris, France
Founded	2025
Stage	Pre-Seed
Business Model	SaaS
Industry	Other
Technology	AI / Machine Learning
Geography	Western Europe
Growth Profile	Venture Scale
Founding Team	Solo Founder
Funding Label	Pre-seed
Total Disclosed	~$2,000,000

Links

• Website: https://www.getsillage.com/
• LinkedIn: https://www.linkedin.com/company/sillage-ai

Executive Summary

Sillage is a Paris-based AI startup building a signal engine for enterprise sales teams, aiming to address a persistent pain point in go-to-market execution by moving beyond generic automation toward context-rich, signal-driven outreach [EU-Startups, Apr 2026]. Founded in 2025 by Arnaud Weiss and Arthur Coudouy, the company has secured a $2 million pre-seed round and was named to Station F's Future 40 list [EU-Startups, Apr 2026] [getsillage.com].

The core product is a GTM agent platform that surfaces real-time buying signals from social, hiring, and competitor sources, delivering them directly into workflows like Slack and CRM systems [getsillage.com]. The founders frame the differentiation as augmenting human sales reps with high-intent signals rather than replacing them [startuphub.ai].

Co-founder Arthur Coudouy brings founder experience from his previous venture, Axolo, while Arnaud Weiss was formerly VP of Marketing at LumApps [technotrenz.com]. The company operates a SaaS business model.

Data Accuracy: YELLOW -- Core company details and funding are confirmed by multiple sources; early traction and product claims rely on limited third-party reporting.

Taxonomy Snapshot

Axis	Classification
Stage	Pre-Seed
Business Model	SaaS
Technology Type	AI / Machine Learning
Geography	Western Europe
Growth Profile	Venture Scale
Founding Team	Solo Founder

How the Company Got Here

Sillage emerged in 2025 as a Paris-based AI startup, co-founded by Arnaud Weiss and Arthur Coudouy with a focus on signal intelligence for enterprise sales [EU-Startups, Apr 2026]. The company's launch was timed with a €1.7 million (approximately $2 million) pre-seed funding round, which was announced publicly in April 2026 [EU-Startups, Apr 2026].

In 2025, the company was named to Station F's Future 40 list [getsillage.com]. The following year, Sillage was featured in a Challenges Top 100 list, as noted by co-founder Arnaud Weiss on his LinkedIn profile [LinkedIn (Arnaud Weiss)].

Data Accuracy: YELLOW -- Founding details and funding are confirmed by a single press report; milestones are cited from company and founder sources.

Product and Technology

Sillage's product is defined by a focus on signal ingestion and delivery, rather than full workflow automation. The platform surfaces real-time buying signals from a range of external sources, including social media activity, hiring announcements, competitor movements, and account-specific developments [Startuphub.ai]. These signals are then delivered directly into the tools sales teams already use, specifically inside Slack, CRM systems, and other AI agents [getsillage.com]. The company's public framing emphasizes augmenting human sales representatives with high-intent, contextual information to improve the precision of outreach [startuphub.ai].

The primary performance claim, based on early deployments, is that this signal-driven approach yields reply rates more than 50% higher than conventional outbound methods [Pulse2].

Data Accuracy: YELLOW -- Core product claims are from the company website and a single trade press article; performance metric is from an unverified early deployment report.

Where the Demand Sits

The market for sales intelligence tools is expanding as enterprises seek to replace inefficient, high-volume outreach with precision targeting based on real-time behavioral data.

Metric	Value
Sales Intelligence Software (Global) 2024	$3.2B
AI in Sales Market (Global) 2024	$10.7B
AI in Sales Market (Global) 2030	$64.5B

Demand is driven by the declining efficacy of traditional outbound sales and the proliferation of public data from social platforms, job boards, and corporate websites. The integration of AI agents into workflows is creating a new technical surface for delivering insights [Startuphub.ai].

Data Accuracy: YELLOW -- Market sizing relies on analogous third-party reports, not company-specific TAM/SAM. Demand drivers are inferred from general industry trends and cited product claims.

Competitive Landscape

Sillage enters a crowded market for sales intelligence by focusing on real-time signal aggregation as a wedge.

• Incumbent data platforms. Companies like ZoomInfo and Apollo.io dominate the market for comprehensive B2B contact and firmographic data. Sillage's stated focus on real-time signals from social, hiring, and competitor sources positions it as a more dynamic, intent-focused layer.
• Workflow automation challengers. Platforms like Outreach and Salesloft automate the sales engagement workflow. Sillage's bet is that a dedicated, multi-source signal engine provides superior accuracy and can be delivered into these existing platforms via integrations.
• Adjacent substitutes. Marketing automation platforms (e.g., HubSpot) and pure-play intent data providers (e.g., Bombora) also capture buying signals. The competitive exposure for Sillage lies in these adjacent players expanding their own signal sourcing.

Data Accuracy: YELLOW -- Competitive analysis is inferred from product positioning and market categories; no direct competitor names are confirmed in sources.

Opportunity

The headline opportunity is to become the category-defining signal intelligence layer for go-to-market teams. The company's stated focus on augmenting human sales reps with high-intent signals rather than replacing them [Startuphub.ai]. If the platform can reliably deliver the >50% higher reply rates cited in early deployments [Pulse2], it would establish a measurable performance edge.

Scenario	What happens	Catalyst	Why it's plausible
CRM-native intelligence	Sillage becomes the default signal engine embedded within major CRM platforms.	A formal technology partnership or launch of a certified app on a major marketplace.	The product is already designed to deliver signals inside existing CRM systems [getsillage.com].
Land-and-expand in the enterprise	The platform secures a flagship deployment with a global sales organization.	Securing a publicly referenceable enterprise customer.	The founders' backgrounds include enterprise-facing roles at LumApps and Axolo [technotrenz.com].
The GTM command center	Sillage evolves from a signal surfacer to the central orchestration platform.	Introduction of a broader suite of workflow automation and analytics features.	The company's framing as a "GTM agent platform" [getsillage.com] suggests an architectural ambition.

Data Accuracy: YELLOW -- Core opportunity framing is based on company claims and early performance metrics from a single source. Comparable valuations are from public reports.

Sources

1. [EU-Startups, Apr 2026] Paris-based Sillage raises €1.7 million to help sales teams follow the right signals | https://www.eu-startups.com/2026/04/paris-based-sillage-raises-e1-7-million-to-help-sales-teams-follow-the-right-signals/
2. [getsillage.com] Sillage | GTM agents for enterprise sales | https://www.getsillage.com/
3. [startuphub.ai] Sillage, $2M Raised, Investors, Team & Alternatives | https://www.startuphub.ai/startups/sillage
4. [Pulse2] Sillage-2-million-pre-seed-raised-to-build-ai-signal-engine-for-go-to-market-teams | https://pulse2.com/sillage-2-million-pre-seed-raised-to-build-ai-signal-engine-for-go-to-market-teams/
5. [technotrenz.com] Sillage Launches with €1.7M Pre-Seed for GTM AI Platform | https://technotrenz.com/news/sillage-launches-with-1-7m/
6. [LinkedIn (Arnaud Weiss)] Arnaud Weiss' Post | https://www.linkedin.com/posts/arnaud-weiss-60b6758a_sillage-is-featured-in-challenges-top-100-activity-7445485064089489408-rGp-
7. [Grand View Research, 2024] Sales Intelligence Software Market Size, Share & Trends Analysis Report | https://www.grandviewresearch.com/industry-analysis/sales-intelligence-software-market-report
8. [MarketsandMarkets, 2024] AI in Sales Market | https://www.marketsandmarkets.com/Market-Reports/ai-in-sales-market-220105100.html
9. [Forbes, October 2021] Gong Hits $2 Billion Valuation With $250 Million In New Funding | https://www.forbes.com/sites/alexkonrad/2021/10/05/gong-hits-2-billion-valuation-with-250-million-in-new-funding/
10. [Reuters, February 2022] 6sense valuation hits $5.2 bln after latest funding round | https://www.reuters.com/markets/us/6sense-valuation-hits-52-bln-after-latest-funding-round-2022-02-23/