28 VC firms investing in developer tools & infrastructure and legal & regtech at the Series A stage.
F4 Fund tracks 28 VC firms that actively invest in developer tools & infrastructure + legal & regtech at the Series A stage, with check sizes ranging from $100K – $100M (median: $5.1M – $5.1M). 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 | ▶ Makers Fund Backing builders of the future of interactive entertainment. We invest across games, content, platforms, and ecosystem technologies with conviction that visionary founders are driving transformation in how we play, watch, create, and live. | $500K – $5M | 158 | Leads | Active | ~2 wks | Open |
| 2 | ▶ 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 |
| 3 | ▶ Accel Partner with exceptional teams building transformative technology companies across all stages San Francisco | $2M – $10M | 127 | Both | Active | — | — |
| 4 | ▶ MissionOG Operator-led growth investor backing high-growth B2B technology companies driving digitization in fintech, data, and AI-driven technologies, especially proprietary data, regulated workflows, and infrastructure layers that AI agents need to call into. Philadelphia | $5M – $10M | 28 | Both | Active | ~1 mo | — |
| 5 | ▶ Dropbox Ventures The next generation of transformative work applications will be powered by AI. We seek to back founders building unique, innovative AI-powered tools that reshape how people collaborate, create, and manage information. Strategic integration with Dropbox ecosystem amplifies value. San Francisco | $100K – $1M | 15 | Leads | Active | ~2 wks | Open |
| 6 | ▶ Flourish Ventures Mission-driven entrepreneurs and industry influencers can responsibly harness technology to build a more fair and inclusive financial system that serves unbanked and underserved populations. California | $1M – $15M | 25 | Leads | Active | ~2 wks | Open |
| 7 | ▶ Hyperplane Venture Capital Seed capital is the foundational layer in building enduring companies. We back bold, gritty founders applying AI and machine intelligence to solve the world's toughest challenges in enterprise and industrial sectors. By end of decade, software + hardware + AI will drive ubiquitous automation in every industry. We partner with visionary founders tackling hard technical problems in regulated, complex domains. Boston | $250K – $3M | 67 | Leads | Active | ~2 wks | Req'd |
| 8 | ▶ 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 | 55 | Leads | Active | ~1 mo | Open |
| 9 | ▶ 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 |
| 10 | ▶ Album VC High-touch early-stage investing in technology founders building durable software and tech-enabled category leaders, with particular strength in SaaS and the Utah/Silicon Slopes ecosystem. Lehi, UT | $1M – $12M | 36 | Both | Active | — | — |
| 11 | ▶ 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 |
| 12 | ▶ 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 | — | — |
| 13 | ▶ Pathlight Ventures Low volume, high conviction early-stage investing in 10 thematic areas where vertical AI is reshaping regulated, complex industries: healthcare, fintech, capital markets, industrial operations, security, and government. Back strongly opinionated founders building category-defining companies with direct operator support from a team with deep fintech and growth scaling experience. New York City | $250K – $3M | 39 | Leads | Active | ~1 mo | Open |
| 14 | ▶ 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 |
| 15 | ▶ 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 |
| 16 | ▶ 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 |
| 17 | ▶ First Round Capital Beginnings matter. We work with founders exclusively at the earliest stages of company building, often when all they have is an 'imagine if.' We look for compelling and contrarian insights into how the world works—what do you understand about a market that others miss? Our role is to accelerate the path from idea to product-market fit through embedded partnership. San Francisco | $750K – $4M | 28 | Leads | Active | ~2 wks | Req'd |
| 18 | ▶ Valhalla Ventures We partner with visionaries building enduring moats in deeptech and gaming. We invest up to $12M from inception to Seed. We restore the original essence of venture capital - working directly with bold entrepreneurs to tackle the world's toughest challenges through breakthrough physical technologies and novel gaming experiences. | $500K – $12M | 14 | Leads | Active | ~2 wks | Req'd |
| 19 | ▶ 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 |
| 20 | ▶ Left Lane Capital Invest in hyper-growth consumer and technology businesses with enduring customer relationships. Back founders challenging the status quo through digital transformation. Focus on companies with strong unit economics, loyal customer bases, and defensible competitive advantages in complex, regulation-heavy markets. Brooklyn | $5M – $50M | 42 | Both | Active | ~2 wks | Open |
| 21 | ▶ 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 |
| 22 | ▶ 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 |
| 23 | ▶ Entrepreneurs Roundtable Accelerator (ERA) NYC has tremendous entrepreneurial talent but lacked a structured environment for early-stage founders. ERA provides capital, intense mentorship, and network access to help founders build market-leading companies. Every sector deserves innovation. New York | $150K – $150K | 39 | Leads | Active | ~2 mo | Open |
| 24 | ▶ FirstMark We back disruptive founders building category-defining companies. Our approach is founder-first, long-term, and deeply operational. We take the longest view in the room, operate with excellence and integrity, stay curious at the bleeding edge, and invest heavily in building community. New York | $250K – $10M | 32 | Leads | Active | ~2 wks | Req'd |
| 25 | ▶ Evantic Capital At the intersection of generational talent and transformative artificial intelligence. Evantic backs exceptional founders building AI-first B2B software, infrastructure, and platform businesses with the potential to become global market leaders. London | $1M – $60M | 10 | Both | Active | — | — |
| 26 | ▶ Debut Capital Early-stage venture capital for IT and Biotech companies in Colorado Front Range and Mid-Atlantic. Focus on experienced founding teams solving important problems with potential for significant financial returns. Patient capital approach with operational support and deep regional networks. New York | $500K – $5M | 48 | Leads | Active | ~2 wks | Req'd |
| 27 | ▶ SignalFire Data and technology combined with sector expertise and operational support unlock unfair advantages for early-stage startups. We build venture capital like a tech company. San Francisco | $250K – $100M | 14 | Leads | Active | ~2 wks | Open |
| 28 | ▶ 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 |
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 28 VC firms that actively invest in developer tools & infrastructure + legal & regtech 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 developer tools & infrastructure + legal & regtech investors is $5.1M – $5.1M, with a full range from $100K – $100M. The distribution breaks down as: 1 firms in the <$500K range, 1 firms in the $500K-$1M range, 6 firms in the $1M-$2M range, 4 firms in the $2M-$5M range, 9 firms in the $5M-$10M range, 7 firms in the $10M+ range.
Among the 28 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 developer tools & infrastructure + legal & regtech investors combine domain expertise with an active portfolio in the space. Among these firms, 35% prefer warm introductions, and the average firm has 43 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.