Best Series A Security & Cybersecurity + Real Estate & PropTech Investors 2026

The best early-stage B2B SaaS companies need hands-on go-to-market support from proven leaders who have scaled at Salesforce, Snowflake, LinkedIn, Okta, and similar platforms. We combine capital with a network of 350+ GTM leaders who provide playbooks, hiring, and customer relationships that accelerate growth from product-market fit to scale.

Third Prime invests in companies rewiring how capital, assets, and operations move through the economy. We focus on three intersecting 'real-economy infrastructure' verticals—fintech, proptech, and crypto/blockchain—backing platforms that enable paradigm shifts in these sectors. We believe technology should serve real economic activity, not replace it.

Financial services is ripe for fundamental disruption. We invest in visionary entrepreneurs building modern, customer-first financial solutions that leverage technology to make financial systems more efficient and accessible. The most disruptive fintech companies reimagine how financial services work at their core, not just digitize existing products.

The biggest constraint for early-stage companies is not capital—it's building a world-class team. We provide capital plus measurable talent sourcing, recruitment excellence, and team-building advisory. We have proven ability to reach candidates not reachable by recruiters or founders, and commit to specific hiring targets for each portfolio company.

We're a different type of venture firm. We wake up every morning and ask ourselves how we can help our portfolio companies move the needle. From in-the-weeds to twenty thousand feet, we are partners at every level. We serve as an extension of founder headcount, sitting in portfolio company Slack channels, maintaining weekly calls, and proactively helping with hiring and customer introductions.

Early-stage founders using AI and frontier technology to reinvent enterprise and security markets. We seek technical founders who deeply understand their problem domain, have operating experience at scale, and are committed to responsible AI development. We provide not just capital but hands-on operational support through our Building Partners model.

Back founders with deep, first-hand domain expertise in specific industry verticals — those who have 'lived' the problem they are solving. Vertical-first software delivers faster time-to-value and stronger retention versus horizontal tools requiring heavy customization.

Back technical founders building critical infrastructure for foundational industries. Pair growth-stage capital with deep regulatory expertise and government/industry connectivity to create defensible advantages in overlooked, essential sectors.

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.

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.

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.

As the world becomes more information-rich, most transformative new companies will leverage data science, machine learning, and advanced computing power. We back founders building breakthrough solutions at this intersection.

We back founders who combine emotional intelligence with business acumen and are on a mission to solve problems they deeply care about. We're often the first institutional check and provide mentorship, community, and long-term partnership support.

Solo GP model combining angel investing speed with VC-scale checks. Backs non-traditional founders solving their own problems. Rejects process-heavy VC bureaucracy in favor of speed, decisiveness, and founder-first engagement.

We invest in startups and venture funds, creating a symbiotic network that propels innovation. Our approach is characterized by long-term thinking and a 'give first' philosophy.

We are professional fixers for complex situations. An extension of your team. Fierce defenders when you need us most. Partners who roll up their sleeves. We invest in early-stage companies helping them avoid traditional roadblocks on their path to hypergrowth. We specialize in navigating hostile situations, IP protection, and crisis management.

Back founders building iconic companies that transcend boundaries. We invest directly in their growth to make them unbreakable. Founded on principle that luck isn't made, it's engineered. Founders are our customer, not LPs. We always vote shares with founders and provide 1% non-dilutive founder development capital alongside every first check.

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.

Technological innovation is unevenly distributed. The hottest, most visible sectors attract talent and capital, while overlooked industries hide massive value creation opportunities. We back unconventional founders disrupting unglamorous, technology-inefficient, long-standing industries.

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.

RRE backs visionary early-stage founders leveraging technological breakthroughs to reshape industries. Systematic focus on Physical AI (AI that touches atoms) and Decentralized AI (bridging web3 and AI infrastructure). Boutique model enables direct partnerships with founders vs. large portfolio strategies. 30+ years of multi-cycle experience.

Real estate has been stagnant for 50 years despite massive innovation in other industries. Shifting demographics, transportation changes, and evolving preferences are forcing modernization. We back visionary entrepreneurs building solutions across construction, property management, residential finance, and retail that will improve quality of life, work, and community.

Technology companies are becoming intertwined with the global economy more so than ever before. The most compelling founders build businesses through a broader world view. White Star Capital backs globally ambitious entrepreneurs at Series A, B, and Seed stages across North America, Europe, and Asia, helping them scale internationally through deep local presence on three continents.

We partner with relentless founders who defy convention to change the future. Our four founder paradigms—purity of motivation, earned secret, obsessed problem solving, and non-consensus thinking—guide our investment decisions. We believe the best founders are intrinsically motivated to solve real problems, have deep domain expertise, relentlessly iterate to find better solutions, and have the courage to diverge from established paths.

Investing in subject matter experts shaping the future of their industries. We lead with our values and build trust through action. We believe the best founders have deep industry expertise and need tireless operational support, not just capital. We partner with founders for the long term, staying engaged 24/7.

Entrepreneurs who work constructively with government to harness its unique strengths—scale, credibility, regulatory power, data, and funding—enjoy asymmetric advantages. 24% of venture-backed unicorns used government support. We partner with founders to unlock government as a growth lever.

Back ambitious teams with strong learning and execution capacities across all sectors, stages, and geographies. Technology-enabled businesses preferred. Volume-based, founder-centric investment philosophy.

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.

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.

Venture capital should be accessible to exceptional entrepreneurs anywhere. Great companies can be built outside Silicon Valley with the right capital, operational expertise, and network support.

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.

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.

Equity of access and representation in venture capital delivers positive returns. Diverse and underrepresented (including LGBTQ+) leaders of high-growth companies deserve capital access. When these founders succeed, they influence ecosystems and open doors for historically excluded groups.

Democratize access to venture capital by building large syndicates of non-traditional LPs. Invest across all stages, sectors, and geographies based on founder quality and market conviction, not category restrictions. Enable 2,000+ diverse co-investors to participate alongside marquee firms like Sequoia and Andreessen Horowitz while maintaining founder-friendly economics.