8 VC firms investing in legal & regtech and aerospace & defense at the Series A stage.
F4 Fund tracks 8 VC firms that actively invest in legal & regtech + aerospace & defense at the Series A stage, with check sizes ranging from $100K – $50M (median: $6M – $6M). As of June 2026, and 100% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,356+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Elad Gil Invest in market-creating companies with exceptional founders and large addressable markets. Prioritize market size and dynamics, then evaluate product-market fit through personal usage test. Focus on founder quality and execution capability over other factors. San Francisco | $250K – $50M | 39 | Leads | Active | ~2 wks | Open |
| 2 | ▶ Accel Partner with exceptional teams building transformative technology companies across all stages San Francisco | $2M – $10M | 127 | Both | Active | — | — |
| 3 | ▶ Haystack Exceptional founders create disproportionate outcomes. We identify entrepreneurs pulling the future forward through fundamental innovation and exceptional execution. Rather than chasing sector trends, we partner with high-signal founders solving enduring problems across any category. San Francisco | $250K – $2M | 24 | Leads | Active | ~2 wks | Open |
| 4 | ▶ Inertia Ventures Inertia invests in AI-native companies built to become core infrastructure for legacy industries, especially platforms operating in regulated, context-heavy, and physical-world workflows where durable data, compliance, audit trails, or embodied operations create compounding advantages. New York | $2M – $15M | 66 | Leads | Active | ~2 wks | Req'd |
| 5 | ▶ Defy VC Back exceptional entrepreneurs building enduring companies that defy expectations. Value authenticity and tenacity to turn daring ideas into lasting impact. One life-altering investment can lead to industry-wide transformation. San Mateo, California | $100K – $10M | 38 | Leads | Active | ~1 wk | Req'd |
| 6 | ▶ Creandum We back the companies of tomorrow before it's obvious. We combine early-stage European investing with a permanent San Francisco presence to help founders build category-defining global companies. We invest in ambitious technical founders who deeply understand industry transformation. Stockholm | $200K – $10M | 36 | Leads | Active | ~2 wks | Open |
| 7 | ▶ Icehouse Ventures Back exceptional Kiwi founders building globally transformative companies, from day one to IPO. New Zealand founders represent a significantly undervalued asset class, and Icehouse provides capital plus an ecosystem of 3,000+ investors and deep operational support. Auckland | $100K – $10M | 41 | Leads | Active | ~2 mo | Open |
| 8 | ▶ Jovono We invest in paradigm shifters—truly disruptive technologies that change our perspective of the world. We believe in missionary founders committed to their vision, and we focus on business-team-idea-timing fit, not just product-market fit. We target transformative companies across defense, climate, fintech, legal tech, and emerging domains. Los Angeles | $1M – $25M | 23 | Leads | Active | ~1 mo | Req'd |
What other stages do these firms also invest in?
Investors on this page also frequently invest in these sectors
What other sectors do these firms also invest in?
F4 Fund tracks 8 VC firms that actively invest in legal & regtech + aerospace & defense at the Series A stage. These firms are ranked using a composite score that weighs data completeness (30%), portfolio depth (30%), investment recency (25%), and stage alignment (15%).
Based on F4's analysis, the median check size for series a legal & regtech + aerospace & defense investors is $6M – $6M, with a full range from $100K – $50M. The distribution breaks down as: 1 firms in the $1M-$2M range, 5 firms in the $5M-$10M range, 2 firms in the $10M+ range.
Among the 8 firms tracked, 100% lead or co-lead rounds. Founders seeking a lead investor should filter for firms marked "Leads" or "Both" in the rankings table above. Lead investors typically set deal terms and anchor the round.
The best series a legal & regtech + aerospace & defense investors combine domain expertise with an active portfolio in the space. Among these firms, 43% prefer warm introductions, and the average firm has 49 portfolio companies. Look for firms whose check size matches your raise, whose stage preference aligns with yours, and who have a track record of supporting companies in your sector through multiple growth phases.
Firm profiles are continuously updated through F4's research pipeline, which combines LLM-powered web research, portfolio analysis, and transcript extraction. The ranking data refreshes every 12 hours. Editorial analysis is reviewed weekly. Individual firm profiles are re-researched on a 30-day cycle or when new information surfaces.