21 VC firms investing in legal & regtech and climate & clean energy at the Seed stage.
F4 Fund tracks 21 VC firms that actively invest in legal & regtech + climate & clean energy at the Seed stage, with check sizes ranging from $5K – $25M (median: $1.6M – $1.6M). As of June 2026, and 100% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,358+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Eka Ventures Eka backs founders creating positive system change across three consumer-led mega trends: Life (access and affordability in essentials), Health (reactive to preventative healthcare), and Sustainability (decarbonization in consumer industries). The firm holds that impact and financial returns reinforce rather than oppose each other. London | $1.3M – $3.8M | 24 | Leads | Active | ~2 wks | Open |
| 2 | ▶ Audacious Ventures Back force-of-nature founders at pre-seed and seed stages building B2B software companies. Primary value-add is hands-on recruiting (150+ candidate sourcing per role) and GTM development—not board seats or traditional governance. San Francisco | $100K – $10M | 43 | Leads | Active | ~1 mo | Open |
| 3 | ▶ Urban Innovation Fund The future of cities will be shaped by entrepreneurs who can navigate complex regulatory environments. We provide seed capital and regulatory/policy expertise to startups enhancing the livability, sustainability, and economic vitality of cities. San Francisco | $500K – $5M | 46 | Leads | Active | ~1 wk | Open |
| 4 | ▶ Myriad Venture Partners Back exceptional founders building transformational B2B companies in AI, enterprise software, cybersecurity, and clean technology. The Myriad Model combines capital with a curated ecosystem of 30+ Fortune 500 executives who accelerate commercial traction through introductions, POCs, and commercial contracts. Boston | $250K – $3M | 23 | Leads | Active | — | — |
| 5 | ▶ Moxxie Ventures Exceptional founders living in the future deserve operators who provide more than capital. We partner with founders on go-to-market, brand, storytelling, and team building. San Francisco | $500K – $2M | 50 | Leads | Active | ~2 wks | Open |
| 6 | ▶ 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 |
| 7 | ▶ Syndicate One Belgium-first network-driven VC backing the most ambitious Belgian-founded tech startups at Pre-Seed and Seed. Pools capital, expertise, and network from 120+ founders, operators, and investors to help early-stage Belgian companies scale globally. Brussels, Belgium | $250K – $1.5M | 24 | Leads | Active | ~1 mo | Open |
| 8 | ▶ 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 |
| 9 | ▶ 11 Tribes Ventures Founder-first early-stage investing that combines capital with founder resilience, operating support, and capital-efficient company building for durable, profitable outcomes. Chicago | $1M – $1.5M | 29 | Leads | Active | ~1 mo | Open |
| 10 | ▶ Behind Genius Ventures Invest in technical storytellers—founders with deep technical depth, exceptional communication skills, and strong execution velocity. Fund innovation in traditionally overlooked industries (Clipboard Companies) by applying modern technology while respecting domain expertise. San Diego | $150K – $250K | 41 | Leads | Active | ~2 wks | Open |
| 11 | ▶ 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 |
| 12 | ▶ Concrete Rose Capital We invest financial and social capital into exceptional ventures led by visionary, values-aligned teams. Technology is the 'new West' - we seek to broaden opportunities by partnering with pioneering founders to bring entire communities along on their journey of reimagining the world. San Francisco | $100K – $5M | 47 | Both | Active | ~2 mo | Open |
| 13 | ▶ 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 |
| 14 | ▶ Untapped Capital We invest in the earliest pre-seed startups led by founders outside typical networks, selling into large and growing markets, with unique approaches or insights. We focus on under-networked, execution-focused founders—introverted technologists, industry veterans, and heads-down operators—who create outsized value through systematic sourcing and deep technical partnership. Los Angeles | $100K – $250K | 27 | Both | Active | ~2 wks | Open |
| 15 | ▶ Sidecut Ventures Sidecut Ventures backs 'coachable superheroes' — founders tackling systemic challenges in economic mobility, digital health, climate, and education. The firm's 'coach first, capital second' philosophy involves a 30-day co-operating consulting engagement before writing a check, providing operational, marketing, and storytelling support alongside capital. Tappan, NY | $5K – $375K | 10 | Leads | Active | ~1 mo | Open |
| 16 | ▶ LOI Venture Back the brightest early-stage founders under 30. We provide capital, mentorship, and network access to accelerate ambitious young entrepreneurs who graduate from our League of Innovators program or demonstrate exceptional founder quality. Vancouver | $100K – $1M | 35 | Leads | Active | ~2 wks | Open |
| 17 | ▶ Expa We build category-defining companies through a combination of design, product, operations, and capital. We identify market gaps, pair brilliant founders with Expa's studio resources, and help them build companies that reshape entire industries. San Francisco | $500K – $5M | 60 | Leads | Active | ~1 wk | Open |
| 18 | ▶ Tunitas Ventures Category creating companies with few to no competitors, defensible business models, and unit economics that are starting to work. Invest across all technology sectors except healthcare. Require 50x return potential. Primary value-add is helping raise Series A from the best possible investor. Menlo Park | $500K – $1.5M | 19 | Both | Active | ~2 wks | Open |
| 19 | ▶ Entourage Entourage backs and builds early-stage B2B SaaS and software companies, combining VC capital with venture studio and founder-operator support from zero to one and beyond. Ghent, Belgium | Up to $100K | 37 | Both | Active | — | — |
| 20 | ▶ TheoryForge Operator-led fund investing in ambitious founders building transformative AI applications. We partner with technical founders who understand AI/ML deeply and are solving real customer problems with capital efficiency. Great product is always the best marketing. | $200K – $500K | 38 | Both | Active | ~2 wks | Req'd |
| 21 | ▶ DiverseCity Ventures DiverseCity Ventures backs tech-enabled, scalable companies with positive social, economic, or environmental impact, inclusive teams, and high potential for outsized returns. The firm believes that diverse perspectives are a competitive advantage and an alpha generator. Sacramento | $250K – $2M | 5 | Leads | Active | ~2 mo | Req'd |
Investors on this page also frequently invest in these sectors
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Firms that frequently co-invest with investors on this page
F4 Fund tracks 21 VC firms that actively invest in legal & regtech + climate & clean energy at the Seed 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 seed legal & regtech + climate & clean energy investors is $1.6M – $1.6M, with a full range from $5K – $25M. The distribution breaks down as: 4 firms in the <$500K range, 2 firms in the $500K-$1M range, 5 firms in the $1M-$2M range, 4 firms in the $2M-$5M range, 4 firms in the $5M-$10M range, 1 firms in the $10M+ range.
Among the 21 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 seed legal & regtech + climate & clean energy investors combine domain expertise with an active portfolio in the space. Among these firms, 21% prefer warm introductions, and the average firm has 34 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.