8 VC firms investing in legal & regtech and robotics & automation at the Series B stage.
F4 Fund tracks 8 VC firms that actively invest in legal & regtech + robotics & automation at the Series B stage, with check sizes ranging from $1M – $100M (median: $26M – $26M). 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 | ▶ Activant Capital Partner with relentless founders through their most defining stages of growth, using an in-house Research team to underwrite and support commerce-infrastructure and AI-native technology companies. Greenwich, CT | $15M – $60M | 118 | Both | Active | N/A | N/A |
| 3 | ▶ Emergence Capital Emergence invests in early-stage B2B software companies that will define the next era of enterprise technology. Founded in 2003 as the original cloud/SaaS-focused VC firm, they have pioneered investing through technology transitions: horizontal SaaS (Salesforce, Zoom), vertical SaaS (Veeva, Doximity), and now AI-native services — companies that sell outcomes rather than software, powered by AI that compounds competitive advantage over time. San Francisco | $5M – $50M | 57 | Leads | Active | ~1 mo | Open |
| 4 | ▶ Accel Partner with exceptional teams building transformative technology companies across all stages San Francisco | $2M – $10M | 136 | Both | Active | N/A | N/A |
| 5 | ▶ Headline We invest in top founders everywhere building the next generation of technology companies. We provide capital, operational expertise, and a truly global platform to scale with hands-on support through specialized teams. | $2M – $50M | 51 | Leads | Active | ~2 wks | 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 | ▶ Lion X Ventures Accelerating digital innovation across Southeast Asia and Northeast Asia by backing category-defining founders in AI, semiconductors, med-tech, and digital infrastructure, with OCBC's ecosystem providing enterprise access, capital pathways, and exit routes. Singapore | $2M – $20M | 12 | Leads | Active | N/A | N/A |
| 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 + robotics & automation 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 + robotics & automation investors is $26M – $26M, with a full range from $1M – $100M. The distribution breaks down as: 1 firms in the $5M-$10M range, 7 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 + robotics & automation investors combine domain expertise with an active portfolio in the space. Among these firms, 20% prefer warm introductions, and the average firm has 85 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.