45 VC firms investing in security & cybersecurity and hr tech & future of work at the Series A stage.
F4 Fund tracks 45 VC firms that actively invest in security & cybersecurity + hr tech & future of work at the Series A stage, with check sizes ranging from $20K – $350M (median: $3M – $3M). As of August 2026, and 98% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,644+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Brighteye Ventures Technology is reshaping the human capacity to learn, work, and adapt. Brighteye backs the 'HumanOS' — systems helping people continuously learn, perform, and evolve. As software becomes more intelligent and autonomous, it multiplies the value of human skills and knowledge. Category-defining companies will harness technology to redefine human capability. Target: European companies with global ambition and €100M+ revenue potential in large underserved markets. London | $440K – $4.4M | 52 | Leads | Active | N/A | Open |
| 2 | ▶ Storm Ventures Storm Ventures backs early-stage B2B enterprise software companies with a focus on AI-native applications, cybersecurity, and cloud infrastructure. They employ a 'paddling to surfing' growth methodology and have deep expertise in taking companies from inception to $100M+ ARR. Their philosophy: 'the interface layer will disappear. The infrastructure layer will compound.' Menlo Park | $1M – $15M | 69 | Leads | Active | ~1 mo | N/A |
| 3 | ▶ Abstract Ventures Backing transformative founders building exceptional companies across all sectors San Francisco | $100K – $1M | 277 | Both | Active | N/A | N/A |
| 4 | ▶ Tola Capital Every industry will be transformed by software. Tola practices hypothesis-based investing targeting the 'enterprise scaffolding' of AI — domain-specific models, AI/ML tooling, AI SaaS applications, AI governance, and AI security — rather than foundational AI infrastructure. They back companies driving long-term, transformational change in large markets. Seattle | $1M – $15M | 53 | Leads | Active | ~1 mo | Open |
| 5 | ▶ Osage Venture Partners Disruptive innovation in work and education fuels human achievement. We partner with exceptional entrepreneurs who are business builders, deep domain experts, and capital efficient thinkers. We believe in long-term relationships over transactional investing, often partnering with founders across multiple ventures. Pittsburgh | $1M – $5M | 73 | Leads | Active | ~1 mo | Open |
| 6 | ▶ ServiceNow Ventures ServiceNow Ventures invests in AI-first enterprise companies that can extend the ServiceNow platform, accelerate enterprise digital transformation, and advance the potential of AI across workflows. The firm seeks visionary founders building at the intersection of AI, automation, and enterprise software. Santa Clara, CA | $5M – $50M | 18 | Follows | Active | 3+ mo | Req'd |
| 7 | ▶ Dallas Venture Capital DVC invests in visionary founders building next-generation B2B SaaS and infrastructure companies at the intersection of AI, cloud, and enterprise software. Operating as a cross-border US-India fund, DVC backs companies in AI/MLOps, CloudOps, cybersecurity, fintech, and data infrastructure — providing not just capital but also go-to-market strategy, business development, executive recruiting, and follow-on syndication through the DVC Advantage program. Irving, TX | $2M – $17M | 32 | Leads | Active | N/A | Open |
| 8 | ▶ MS&AD Ventures MS&AD Ventures partners with visionary entrepreneurs to create innovative solutions across insurance, financial services, healthcare, and sustainability. Backed by the 5th largest global insurance conglomerate, they bring capital plus global distribution across 47 countries. They move fast (2-week decisions), focus on partnerships over ownership, and help companies scale internationally. Menlo Park | $500K – $5M | 60 | Both | Active | ~2 wks | Open |
| 9 | ▶ S3 Ventures Patient Capital. True Resources. Big Impacts. S3 backs visionary founders building in Business Software and Healthcare Technology. Unique single-LP structure (a multi-billion dollar philanthropic family office) enables patient, flexible investing unconstrained by traditional VC fundraising cycles. Founded in Texas in 2005 — the largest and longest-serving VC native to Texas. Austin | $500K – $15M | 56 | Leads | Active | ~2 mo | N/A |
| 10 | ▶ Knoll Ventures Back outlier B2B founders who see around corners and intimately understand customer pain points, investing at the pre-Series A stage to bridge the gap between seed and Series A — especially in underserved non-coastal markets like the Southeast US. Atlanta | $500K – $3M | 37 | Both | Active | N/A | Open |
| 11 | ▶ Scale Venture Partners The next decade will be defined by the addition of machine intelligence to software. Scale backs 'Cognitive Apps' — AI-powered applications that augment manual work and enable data-driven predictions — partnering with founders who can transition from founder-led to scalable go-to-market, accompanying them from Series A through IPO. Foster City, CA | $5M – $30M | 51 | Leads | Active | ~2 mo | Open |
| 12 | ▶ Dawn Capital Dawn backs category-leading B2B software companies across fintech, cybersecurity, data/AI infrastructure, insurance tech, HR tech, and regtech, acting as a long-term operating partner rather than passive capital. London | $10M – $40M | 49 | Leads | Active | N/A | N/A |
| 13 | ▶ EPIC Ventures EPIC Ventures backs early-stage technology companies building in the information economy, with a focus on enterprise SaaS, healthcare technology, cybersecurity, and future of work. The firm believes the best way to build lasting companies is through genuine partnership with founders — providing capital, strategic guidance, operational expertise, and deep network access. Founded in 1994, EPIC helped build the Utah tech ecosystem and continues to be the foundational VC of the Mountain West. Salt Lake City, UT | $500K – $5M | 71 | Leads | Active | ~1 mo | Open |
| 14 | ▶ Inovo Back ambitious founders from Central and Eastern Europe and the diaspora building large-market, 10x-better products, favoring high-risk/high-upside bets over safer, modest-return opportunities, grounded in market data rather than intuition. Warsaw | $500K – $10M | 47 | Both | Active | N/A | N/A |
| 15 | ▶ AltaIR Capital Back focused founders solving real problems in markets they understand deeply, with clarity, discipline, and drive. Seek companies with motivated teams, strong product vision, scalable business models, and large addressable markets. San Francisco | $1M – $25M | 43 | Leads | Active | ~1 mo | Open |
| 16 | ▶ Fuel Ventures Backs ambitious tech founders from pre-seed to Series A through EIS/SEIS tax-efficient fund structures in the UK. Focus on Vertical AI, AI-enabled software, and FinTech 2.0. Founded by serial entrepreneur Mark Pearson, the firm brings operational expertise as entrepreneurs who have built and exited companies. London | $150K – $3M | 48 | Both | Active | N/A | Open |
| 17 | ▶ Access Ventures Invest in technology businesses with venture-pace growth potential, high margins, recurring revenue, and sustainable competitive advantage. Back exceptional founders who harbor passion to build great companies and are magnets for talent. Commit time, energy, network and hard work to portfolio company success, not just capital. Denver | $500K – $4M | 21 | Both | Active | ~2 wks | Open |
| 18 | ▶ Basis Set Ventures The best way to find and support AI companies is to be one ourselves. We back independent thinkers building real systems before consensus forms, partnering as radical learning partners from day one. Menlo Park | $250K – $3M | 29 | Leads | Active | ~2 wks | Open |
| 19 | ▶ Manta Ray Back mission-driven founders addressing significant global challenges through leading-edge technology. Provide flexible and patient capital, leveraging our time, resources, and networks to support portfolio company success. Focus on founders with authentic social and environmental missions alongside commercial viability. London | $250K – $3M | 55 | Both | Active | ~1 mo | Open |
| 20 | ▶ Homebrew Help founders build companies of which they can be proud. We invest in mission-driven founders solving large, urgent problems using technology to create substantive change. Capital is necessary but not sufficient—sweat, reputation, and accountability are our core commitments. San Francisco | $100K – $500K | 26 | Both | Active | ~1 wk | Req'd |
| 21 | ▶ ATX Venture Partners Seeking early-stage alpha through institutional discipline. ATX VP invests in people pioneering the future by combining Wall Street rigor with deep operating experience. Core focus on disruptive B2B software, APIs, frontier tech, and marketplaces across Supply Chain, FinTech, InsurTech, HR Tech, Aerospace, and Future of Work. Austin | $250K – $5M | 42 | Leads | Active | N/A | Open |
| 22 | ▶ Merak Capital To steward capital with discipline and conviction, investing in innovative enterprises that create enduring value. Backs founders building technology solutions for Saudi Arabia's digital transformation, converting early traction into resilient growth through disciplined capital paired with operational expertise. Riyadh | $600K – $54M | 42 | Leads | Active | N/A | N/A |
| 23 | ▶ Impact46 Theme-specific venture capital and private equity across the seed-to-mature spectrum, backing Saudi technology-driven businesses aligned with Vision 2030 economic diversification, plus a parallel credit advisory practice spanning sukuk and private credit for mid-market corporates. Riyadh | $500K – $10M | 50 | Both | Active | N/A | N/A |
| 24 | ▶ PeakSpan Capital PeakSpan invests exclusively in Applied AI B2B software scale-ups at $3M–$50M+ ARR, providing growth equity combined with hands-on operational platform support (500+ expert community, proprietary technology tools, proven playbooks) to help founders scale with discipline and achieve optimal risk-adjusted exits. New York | $10M – $50M | 57 | Leads | Active | ~1 mo | N/A |
| 25 | ▶ Cowboy Ventures Partner with founders building generational software companies. We provide capital, operational support, and genuine partnership. Focus on technology-driven solutions addressing large and growing markets. Invest across enterprise and consumer software, with depth in AI-native software, fintech, infrastructure, security, vertical SaaS, healthcare, and future of work. Palo Alto | $500K – $4M | 24 | Leads | Active | ~2 wks | Open |
| 26 | ▶ Mercury Fund Mercury backs disruptive AI and Blockchain-enabled startups outside Silicon Valley, with a focus on capital-efficient founders in the Central US reimagining core industries including fintech, enterprise software, healthcare, energy, manufacturing, and logistics through their five investment themes: Work, Build, Journeys, Data, and Power. Houston | $100K – $5M | 53 | Leads | Active | ~2 mo | Open |
| 27 | ▶ Point Nine Invest in the future of software built on AI. We partner with technical founders to provide capital, unfair shortcuts, and operational support to accelerate their learning and help them reach their potential. We position ourselves as the first institutional investor for v0.9 stage founders. Berlin | $1M – $10M | 37 | Leads | Active | ~1 wk | Req'd |
| 28 | ▶ Companyon Ventures Companyon backs a small number of capital-efficient, founder-led B2B software companies at the seed-to-Series-A transition and pairs capital with hands-on GTM, talent, and fundraising support. Boston | $2M – $8M | 22 | Leads | Active | N/A | Open |
| 29 | ▶ R136 Ventures Identifies inflection points through proprietary Discovery Engine and backs founders who see opportunities others miss. Focuses on AI-driven transformation of B2B software and financial services, with deep technical due diligence analyzing 250+ data points. Woodside, CA | $2M – $20M | 42 | Both | Active | ~1 mo | Open |
| 30 | ▶ Marathon Management Partners Partners with founders who are verifiably obsessed with winning the end-markets they are building in. Conviction investing — lead rounds, take significant positions, and join boards in category-defining software and fintech companies. New York | $1M – $20M | 5 | Leads | Active | N/A | N/A |
| 31 | ▶ Next Play Ventures Coach and invest in entrepreneurial leaders building world-class, purpose-driven organizations. Combines financial investment with active leadership coaching and organizational development using LinkedIn's proven playbook. Believes great companies are built by great leaders who manage compassionately and combine doing well with doing good. Menlo Park | $100K – $5M | 27 | Leads | Active | ~2 wks | Open |
| 32 | ▶ Bloomberg Beta We invest in companies that make business work better, backed by a commitment to understanding profound changes in how business operates. We seek founders with the potential to build extraordinary, outlier companies through transparency, founder-first principles, and patient capital from our investor Bloomberg L.P. San Francisco | $250K – $2M | 32 | Leads | Active | ~2 wks | Open |
| 33 | ▶ Spero Ventures Tomorrow's most valuable companies will be the ones tackling today's most meaningful challenges. Spero backs mission-driven founders across a healthy future, a sustainable future, and a fulfilling future, and partners with them long-term rather than transactionally. Redwood City, CA | $2M – $10M | 28 | Leads | Active | N/A | Req'd |
| 34 | ▶ 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 |
| 35 | ▶ 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 |
| 36 | ▶ Mucker Capital Mucker Capital is an early-stage venture capital firm investing in technology companies from pre-seed through Series B. We partner closely with founders building scalable businesses, often providing a company’s first institutional check and continuing to support them through later stages. Mucker has offices in Venice, California, Austin, and Toronto, and primarily invests across the United States and Canada, with the ability to back exceptional founders in other markets. Venice | $100K – $15M | 22 | Leads | Active | ~2 mo | Open |
| 37 | ▶ Elevate Ventures Elevate Ventures partners with innovation-driven founders to provide strategic capital, mentorship, and ecosystem access. Founded by a former founder (Governor Mitch Daniels), the firm believes the best founders exhibit grit, creativity, and coachability. They invest across all sectors and geographies but maintain primary focus on Indiana and Great Lakes Region entrepreneurs building cross-sector innovations. Indianapolis | $20K – $2M | 28 | Leads | Active | ~1 mo | Open |
| 38 | ▶ Alpine Ventures Product-obsessed investing in consumer tech, prosumer software, and SMB applications. We back founders based on product quality and user value, not credentials or background. San Francisco | $500K – $5M | 17 | Leads | Active | N/A | N/A |
| 39 | ▶ 3VC Entrepreneurs by heart, investors by choice: 3VC partners with regional talent across DACH, CEE, the Baltics, and Southern Europe showing early signs of product-market fit and customer love, and helps them become global category leaders. Vienna | $2M – $10M | 24 | Both | Active | N/A | Open |
| 40 | ▶ Insight Partners Software founders need more than capital to scale successfully. Insight Partners combines investment capital with hands-on operational expertise, embedded teams, and network access to accelerate company growth across all stages. New York | $10M – $350M | 28 | Leads | Active | ~1 mo | Open |
| 41 | ▶ 500 Global Global venture capital that invests where talent is abundant but capital and opportunity are not. 500 Global backs technology founders with global ambitions across underinvested, fast-growing markets using Silicon Valley expertise combined with deep local knowledge. Core belief: The best founders and innovation emerge globally, not just Silicon Valley. San Francisco | $100K – $1M | 18 | Both | Active | ~2 wks | Open |
| 42 | ▶ Picus Capital Empowering entrepreneurs to reimagine the way we live and work by investing in daring technology companies challenging the status quo with permanent capital, lifelong sparring partnership from pre-seed through IPO and beyond. Munich | $100K – $5M | 24 | Leads | Active | ~1 mo | Open |
| 43 | ▶ Parceiro Ventures Partner operators who have scaled Latin American tech companies back B2B and tech-enabled businesses that digitize offline or fragmented Brazilian SMB and enterprise industries. San Francisco | $100K – $5M | 17 | Leads | Active | N/A | N/A |
| 44 | ▶ Stout Street Capital Great startups can be built anywhere. We believe in founder-centric investing with operational support from a team of successful founders. We serve undernetworked geographic regions. Denver | $100K – $500K | 26 | Both | Active | ~2 wks | Open |
| 45 | ▶ Praetura Ventures Praetura backs ambitious northern founders building software, health, life sciences, fintech, cybersecurity, robotics, and other high-growth businesses where operator support and regional conviction matter. The firm positions itself as a more-than-money investor and emphasizes practical support from experienced operators, not just capital. Manchester, United Kingdom | $200K – $8M | 16 | Both | Active | N/A | Open |
Investors on this page also frequently invest in these sectors
What other stages do these firms also invest in?
What other sectors do these firms also invest in?
F4 Fund tracks 45 VC firms that actively invest in security & cybersecurity + hr tech & future of work 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 security & cybersecurity + hr tech & future of work investors is $3M – $3M, with a full range from $20K – $350M. The distribution breaks down as: 2 firms in the <$500K range, 2 firms in the $500K-$1M range, 6 firms in the $1M-$2M range, 14 firms in the $2M-$5M range, 11 firms in the $5M-$10M range, 10 firms in the $10M+ range.
Among the 45 firms tracked, 98% lead or co-lead rounds, and 2% typically follow. 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 security & cybersecurity + hr tech & future of work investors combine domain expertise with an active portfolio in the space. Among these firms, 12% prefer warm introductions, and the average firm has 44 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.