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Defiant is a London- and Lisbon-based early-stage VC fund focused exclusively on B2B Software/AI and Fintech, investing at late Seed ($1–3m) and Series A ($2–10m) across Europe and occasionally the US. The firm targets companies with a live product generating revenue, emerging or established signs of product-market fit, and early signs of a repeatable growth engine — preferring technical products with complexity, moats, and barriers to entry where Defiant can add genuine value. What sets Defiant apart is its product-centric approach: the firm dedicates a third of its operational budget to building proprietary data and software tools — including Morpheus (an internal AI-powered deal-sourcing and analysis platform) and Blueprint (a founder-facing benchmarking tool) — to make better investment decisions and deliver tangible value to portfolio companies. Defiant describes itself as "Europe's first VC firm built like a technology company," combining deep thematic research, rigorous data-driven analysis, and a low-volume, high-conviction investment style with the aspiration to back future category leaders in verticals exposed to long-term secular growth trends.
Notable quotes
“Our thesis is that the future of venture is going to be pretty different to what it is today. And it's going to be a lot more technologically enabled, a lot more sophisticated around the use of data, AI products.”
“We dedicate a third of our budget as a fund to product building. Again, I don't think there's any fund in Europe who does that from an OPEX perspective.”
“When we met Erik Scalfaro and Tiago Kieliger it was an incredibly easy decision to partner with them as we believe they have all the ingredients to build a category defining business — drive and hunger, a product solving a clear pain-point, real-world ROI from verticalised AI, and distribution super powers into a historically hard to sell market segment.”
Recent investments
Frequent co-investors
| VC firm | Deals together |
|---|---|
| Earlybird Venture Capital | 1 |
| Speedinvest | 1 |
| Northzone | 1 |
| Nina Capital | 1 |
| Amino Collective | 1 |
| NFX | 1 |
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