Paris-based Sillage raises €1.7 million to help sales teams act on the right buying signals

The round was backed by Kima Ventures, Angel Invest, and Drysdale Ventures, along with a broader group of angel investors and other backers. With this new funding, Sillage plans to further develop its platform for go-to-market teams, enabling them to identify buying intent through real-time signals such as social activity, hiring trends, competitor movements, and account-level data.

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Arthur Coudouy, co-founder of Sillage, said in a public statement: “At Sillage, we believe AI should support your sales reps, not replace them. We thrive on helping our customers close enterprise deals, something no AI SDR could do. When customer relationships are at the core of your sales motion, you don’t want AI handling conversations, you want it as a copilot.”

There have been several notable 2026 funding rounds across the European go-to-market and sales AI ecosystem that help contextualise Sillage’s launch and investment.

• Stockholm-based Agaton raised €8.4 million in Seed funding to transform customer conversations into revenue intelligence and strengthen go-to-market and product development efforts.
• Berlin-based Zell secured €500k to automate sales management workflows and support its expansion across Europe.
• Helsinki-based Realm raised €3.8 million in Seed funding to integrate AI agents into enterprise sales processes and shorten sales cycles.
• Vilnius-based Outcraft AI raised €2 million in pre-seed funding to build autonomous revenue agents for real-time customer engagement.
• Warsaw-based Zynt closed €424.4k in pre-seed funding to advance its B2B signal intelligence platform ahead of enterprise adoption.

Collectively, these investments amount to roughly €15 million in funding across adjacent categories such as sales intelligence, go-to-market automation, revenue operations, and AI-driven sales agents.

Against this backdrop, Sillage’s launch reflects a broader European trend of investing in AI tools designed to improve sales prioritisation, streamline workflows, and enhance customer engagement.

Arnaud Weiss, co-founder of Sillage, noted: “Our vision of AI for go-to-market is simple: make the job more interesting, and more productive. Sillage agents do exactly that: surface buying signals to engage your top accounts with context. Fewer actions, more results. Quality over quantity.”

Founded in 2025, Sillage is building a signal engine for sales teams designed to help representatives engage target accounts at the right moment with the right message, while keeping human relationships at the core of enterprise sales.

The company’s approach is based on the belief that prospecting should not rely on mass AI-generated outreach. Instead, Sillage argues that effective sales depends on reciprocity, where outreach is meaningful only when teams understand who they are contacting, why the timing matters, and what relevant context can improve engagement.

Its platform identifies and surfaces buying signals that help sales teams prioritise accounts and tailor their outreach with better context. These signals include events such as a key decision-maker joining a new company, a prospect interacting with a competitor, or a relevant business challenge being discussed publicly. Sillage believes these insights enable warmer outbound strategies, better protection of key accounts, and earlier identification of new pipeline opportunities.

According to the company, early customers have seen reply rates improve by more than 50% compared with traditional outbound methods. Sillage developed its product in collaboration with companies such as Yoobic, Salesforce, FullEnrich, Figures, and Sopht, and the platform is now publicly available.

The startup positions itself against a growing category of AI sales tools focused heavily on automation and replacement. Rather than eliminating the role of sales representatives, Sillage aims to enhance their decision-making by providing timely intelligence and actionable context, allowing teams to focus on precision rather than volume.

Overall, the platform is designed to support account-based marketing and lead generation efforts by helping organisations detect buying intent earlier than competitors and engage prospects in a more relevant and informed way.

German Super Angel fund and investor in the round; Angel Invest, shared: “GenAI is commoditizing software fast. In that world, the only durable moats left are brand and sales execution. We believe the next wave of B2B winners won’t be decided by who has the best product – but by who can engage the right accounts, at the right moment, with the right context.”

Sillage’s platform enables teams to define their ideal customer profile, activate signal-based agents, and receive qualified leads directly within their existing workflows. The company claims the product can be deployed in around five minutes, integrates with tools like Slack and CRM systems, and can also power downstream AI agents.

Its agents collect and analyse a combination of first-party, social, and web-based signals across enterprise accounts. These include competitor activity alerts, champion tracking, organisational “power map” changes, subsidiary mapping, keyword mentions, and funding events.

According to Sillage, the platform supports sales teams across three main areas:

• Building pipeline: It identifies buying intent as it emerges and provides ready-to-use outreach messages for sales representatives.
• Closing deals: It delivers real-time account context, competitor engagement insights, and recommended next steps.
• Expanding existing accounts: It tracks changes within customer organisations and highlights potential upsell or expansion opportunities.

Sillage’s launch comes at a time when many sales organisations are reassessing outbound strategies in the era of generative AI. While automation has made it easier to scale outreach, the company argues that improved sales performance depends more on relevance and quality than on sheer volume.

About Sillage

Sillage is a French AI startup based in Paris that helps sales teams find and act on real-time buying signals. Founded in 2025, it uses AI to turn scattered information like hiring trends, competitor activity, funding news, and social media signals into useful sales opportunities. The platform connects easily with tools like CRM systems and Slack, helping sales teams focus on the right accounts, reach out at the right time, and improve their chances of closing deals. Instead of sending automated mass messages, Sillage helps teams work smarter by spotting customer intent early and making outreach more relevant and personalised.