8 VC firms investing in legal & regtech and climate & clean energy at the Series B stage.
F4 Fund tracks 8 VC firms that actively invest in legal & regtech + climate & clean energy at the Series B stage, with check sizes ranging from $100K – $150M (median: $25.3M – $25.3M). As of August 2026, and 100% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,698+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Sony We invest in technology-driven transformational companies shaping the future of business, entertainment and society. We foster Sony's future businesses through strategic early-stage venture investments, seeking technologies with potential to transform industries while building synergies with Sony Group business units. | $2M – $20M | 203 | Both | Active | ~2 wks | Open |
| 2 | ▶ Smedvig Ventures European B2B software firm at the 'Series A to B gap' — backing founders who have found product-market fit and need capital plus operational support to scale. Family-office funded, sector-agnostic within B2B software with a lean toward infrastructure, data platforms, and AI-native products. London | $4M – $8M | 34 | Leads | Active | N/A | N/A |
| 3 | ▶ Accel Partner with exceptional teams building transformative technology companies across all stages San Francisco | $2M – $10M | 136 | Both | Active | N/A | N/A |
| 4 | ▶ One Peak We back exceptional founders and management teams building defensible, market-leading software businesses in high-growth categories, sourced in part through our proprietary PULSE data platform, and support them with a dedicated value-creation team. London | $15M – $150M | 23 | Leads | Active | ~1 mo | Open |
| 5 | ▶ 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 |
| 6 | ▶ Cleveland Avenue Global venture capital firm investing in lifestyle consumer brands and technology companies that positively disrupt large and growing markets. Great investments require deep industry expertise, hands-on operational support, and access to strategic partners. Chicago | $1M – $50M | 68 | Leads | Active | ~1 mo | Req'd |
| 7 | ▶ Kaszek Partner with extraordinary founders building the next generation of iconic Latin American technology companies. Invest in any tech-enabled sector where innovation can drive significant disruption. Bring not just capital but deep operational expertise as former MercadoLibre executives and entrepreneurs. Buenos Aires | $500K – $50M | 61 | Leads | Active | ~1 mo | Open |
| 8 | ▶ Coatue The best investment opportunities emerge at the intersection of innovation and scale. We invest across the full lifecycle from seed to public markets, focusing on technology companies that will transform sectors globally with particular conviction in AI-enabled platforms and infrastructure. New York | $1M – $100M | 31 | Both | Active | ~2 wks | Open |
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 + climate & clean energy at the Series B 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 b legal & regtech + climate & clean energy investors is $25.3M – $25.3M, with a full range from $100K – $150M. The distribution breaks down as: 3 firms in the $5M-$10M range, 5 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 b legal & regtech + climate & clean energy investors combine domain expertise with an active portfolio in the space. Among these firms, 17% prefer warm introductions, and the average firm has 75 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.