z21 Ventures

Founded in 2022, z21 Ventures is a San Francisco-based venture capital firm focused on early-stage technology startups. It operates with a community-focused approach, involving over 150 founders, operators, and investors across the US-India corridor.

Raj Singh Ph.D

Co-Founder and General Partner

38 past transactions

RISA Labs

Seed Round in 2025
RISA Labs utilizes Multi-Agent Systems to reimagine healthcare, enhancing efficiency and elevating patient care. The company's MAS interface sparks innovation in healthcare, aiming to make healthcare administration more intelligent, responsive, and centered around patients.

Conifer

Seed Round in 2025
Conifer builds compact and modular powertrains to power everything that moves.

Breakout

Seed Round in 2025
Breakout is the always available agentic workforce that grows your inbound pipeline by Delivering personalized conversations to every website visitor Showing live demos based on the conversation Giving actionable insights to the GTM team on what your website visitors are looking for

The Energy Company

Seed Round in 2025
This company specializes in developing advanced battery management systems. Utilizing artificial intelligence for optimization and predictive maintenance, along with smart cloud integration, they enhance battery life and performance. Their solutions enable businesses to achieve efficient energy management transactions economically and sustainably.

Conifer Systems

Series A in 2025
Conifer Systems is a Houston, Texas-based company that designs, manufactures, and installs advanced emissions control systems for various industries. The company specializes in producing oxidizers, scrubbers, and carbon observers, facilitating compliance with environmental regulations. With nearly two decades of experience, Conifer Systems has established a strong reputation for quality, stemming from its roots in Gulf Coast Environmental Systems. The company manages all aspects of emissions control, including engineering, design, procurement, installation, and aftermarket services. By providing standardized solutions, Conifer Systems ensures high-quality, reliable systems with shorter project timelines and reduced costs. Their technical expertise allows them to address the emissions control needs of their clients while aligning with business objectives and environmental compliance mandates.

Greenjets

Series A in 2025
Greenjets, founded in 2019, specializes in the development of quiet, safe, and efficient propulsion systems aimed at promoting sustainable aviation. Initially incubated within Blue Bear Systems Research, Greenjets became an independent entity in December 2022. The company is committed to providing environmentally responsible private flying solutions that facilitate the transition to sustainable aviation practices. By offering innovative propulsion technologies, Greenjets aspires to make sustainable travel more accessible to businesses and individuals alike.

Lighthouz AI

Seed Round in 2025
Lighthouz AI specializes in developing AI-driven procurement tools for businesses. Their primary product is an AI procurement assistant that automates repetitive tasks, such as data entry, creating purchase orders, invoice verification, vendor communication, and error identification. This streamlines operations, reduces bookkeeping costs, and allows procurement teams to focus on strategic business activities.

Breakout

Seed Round in 2025
Breakout is a software company that offers workflow management solutions to automate business processes and increases efficiency.

Babblebots

Seed Round in 2025
Babblebots is a recruitment and talent acquisition platform that utilizes advanced voice technology and proprietary AI algorithms to enhance the hiring process. The platform is designed to facilitate candidate recruitment by employing voice AI, which harnesses speech and language understanding to manage long-form conversations. This innovative approach allows for the creation of near-human conversational voice bots, which help businesses and candidates address the challenges often encountered in recruitment and skill development. By streamlining communication and improving engagement, Babblebots aims to transform the way organizations connect with potential hires.

Rapidflare

Seed Round in 2025
Rapidflare is a technology company that creates a B2B sales platform, "Copilot", leveraging generative AI to enhance and train customer engagement teams. The platform provides real-time insights and support before, during, and after customer calls, facilitating faster sales closures and improved customer experiences.

The Money Club

Series A in 2024
The Money Club is a mobile platform facilitating peer-to-peer chit funds. Users apply, undergo verification, then form groups ('Money Clubs') with other verified users for collective savings and loans at better rates than banks.

Coverself

Series A in 2024
Coverself develops a cloud-native platform designed to analyze and execute payment integrity programs in the healthcare industry. Its platform prevents and adapts to evolving claims inaccuracies, reducing complexity and administrative costs through unified dedicated services.

HEN Nozzles

Seed Round in 2024
HEN Nozzles specializes in designing and manufacturing innovative firefighting nozzles. Utilizing principles of fluid dynamics and thermal management, their products enable firefighters to adjust solid stream patterns while maintaining optimal thermal balance.

Launcheazy

Pre Seed Round in 2024
Launcheazy develops an AI-powered Demand Center Platform tailored for pre-sales CRM and demand generation teams. The platform facilitates managing and tracking engagement with millions of prospects at the contact level, offering tools to create hyper-personalized messages for scalable outreach. It also features a library of over 2000 ChatGPT prompts and a comprehensive AI toolkit for image, text, audio, and business applications.

Zime.ai

Seed Round in 2024
Zime is a sales coach who helps drive best practices adoption using behavioral science and AI. It stitches a company’s tribal knowledge and coach reps on it with just-in-time actions.

Gimbal Space

Seed Round in 2024
Gimbal Space specializes in providing reliable and cost-effective satellite components tailored to the modern space market. They offer low-cost, dependable solutions for LEO missions, including custom-sized reaction wheels, torque rods, and star trackers, backed by rigorous testing, competitive pricing, and swift availability.

vHub.ai

Seed Round in 2024
vHub.ai operates an influencer marketing platform that streamlines campaign management and enhances profitability. Its key features include influencer discovery tools, search democratization, collaborative tools, and comprehensive metrics for tracking and measuring return on investment.

Flashaid

Seed Round in 2024
Flashaid is a health-tech company that operates a comprehensive platform designed to enhance the hospitalization experience for patients and healthcare providers. The platform connects patients with hospitals and various stakeholders, offering a range of services that include hospital e-admission, treatment financing, payment processing, insurance information, and discharge details. By digitizing and streamlining these processes, Flashaid enables hospitals to automate their front-office operations, thereby improving efficiency and maximizing revenue potential. The company's focus is on delivering a seamless experience that prioritizes patient care while also supporting healthcare facilities in managing their operational needs effectively.

Basepair

Seed Round in 2024
Basepair Inc. is a New York-based company that specializes in developing a cloud-based software as a service (SaaS) platform designed for genomic data analysis. Founded in 2013, Basepair's platform aims to simplify the management, analysis, and interpretation of sequencing data, thereby addressing significant bottlenecks in the field of genomics. Its tools facilitate workflow automation and provide web-based applications alongside interactive visualizations, significantly reducing the time required for clinicians, scientists, and researchers to analyze and interpret raw genetic data from weeks to hours, all while maintaining high-quality standards. In addition to its software offerings, Basepair provides technical consulting services to assist clients in effectively integrating and interpreting their genomic data.

The Energy Company

Seed Round in 2023
This company specializes in developing advanced battery management systems. Utilizing artificial intelligence for optimization and predictive maintenance, along with smart cloud integration, they enhance battery life and performance. Their solutions enable businesses to achieve efficient energy management transactions economically and sustainably.

Gloroots

Seed Round in 2023
Gloroots is a provider of comprehensive employment solutions focused on simplifying global hiring and workforce management. The company offers a platform that streamlines the complexities associated with employing international teams, handling payroll, benefits, compliance, and tax matters. By utilizing innovative Employer of Record and Contractor management services, Gloroots eliminates the need for companies to establish local entities, providing a cost-effective and hassle-free approach to global employment. Their platform ensures transparency, security, and adherence to local labor laws, allowing businesses to efficiently recruit, onboard, and manage employees across multiple countries. Gloroots positions itself as a key partner for organizations seeking to leverage a borderless workforce, enabling them to focus on growth while navigating the challenges of international employment.

Meomind

Seed Round in 2023
Meomind is a developer of a mental health application aimed at making mental health care accessible to all individuals. The company's platform features a comprehensive library of pre-recorded therapy sessions that address a variety of mental health needs, enhancing psychological well-being through personalized therapy programs. By offering a digital solution, Meomind enables users to engage in therapy without the barriers typically associated with traditional in-person sessions. Additionally, the company provides customer support via email and phone, ensuring assistance is readily available for users seeking help.

Coverself

Seed Round in 2023
Coverself develops a cloud-native platform designed to analyze and execute payment integrity programs in the healthcare industry. Its platform prevents and adapts to evolving claims inaccuracies, reducing complexity and administrative costs through unified dedicated services.

Furnishka

Seed Round in 2023
Furnishka is a furniture company that operates an e-commerce platform. It offers a wide range of durable furniture products, including sofas, coffee tables, dining tables, chairs, beds, wardrobes, and home decor items, along with associated upholstery. The company aims to provide value to customers by being frugal, transparent, and honest in its business practices.

Develo

Seed Round in 2023
Develo offers a software platform for pediatric practices that allows streamline scheduling, charting, billing, and patient engagement.

earKART

Seed Round in 2023
earKART specializes in remote management and intelligent diagnostics for hearing aids. Its platform connects users with top global brands, ensuring transparency and fairness in pricing and quality.

Rexera (formerly InspectHOA)

Seed Round in 2023
Rexera transforms stagnant and manual real estate processes into streamlined and fast workflows. Powered by the astonishing development of AI, proprietary data, and our team’s vast real estate experience, we’re not just changing the rules; we’re rewriting the playbook. Real estate professionals no longer have to bury themselves in repetitive tasks and can focus on the most important work—building connections with their clients and providing exceptional customer service. Rexera’s product suite now includes HOA Documents Acquisition, Condo Project Review, Mortgage Payoff, Municipal Lien Search, and most recently, HOA Access, HOA Payments, and HOA Violations.

Perceptyne Robots

Seed Round in 2023
Perceptyne Robots is a deep-tech robotics firm developing dexterous, affordable, and contextually aware robots. Its robots are sector agnostic and can be used in applications like product assembly, kitchen automation, packing, and machine tending among others.

The Money Club

Seed Round in 2023
The Money Club is a mobile platform facilitating peer-to-peer chit funds. Users apply, undergo verification, then form groups ('Money Clubs') with other verified users for collective savings and loans at better rates than banks.

Optiwise

Seed Round in 2023
Optiwise.AI is a cloud-based software platform that, for the first time in eCommerce history, combines the power of machine learning and artificial intelligence with the experience of a seasoned team of data scientists.

livSYT

Seed Round in 2023
livSYT is a technology company specializing in construction management software. Their cloud-based platform digitizes on-site construction processes, transforming traditional, memory-dependent operations into system-assisted ones. This streamlines workflows, reduces communication and coordination efforts, and enhances accountability. The software automatically allocates tasks to teams in real-time, optimizing resource mobilization and orchestration, ultimately boosting on-site productivity and profitability.

Conifer Systems

Seed Round in 2023
Conifer Systems is a Houston, Texas-based company that designs, manufactures, and installs advanced emissions control systems for various industries. The company specializes in producing oxidizers, scrubbers, and carbon observers, facilitating compliance with environmental regulations. With nearly two decades of experience, Conifer Systems has established a strong reputation for quality, stemming from its roots in Gulf Coast Environmental Systems. The company manages all aspects of emissions control, including engineering, design, procurement, installation, and aftermarket services. By providing standardized solutions, Conifer Systems ensures high-quality, reliable systems with shorter project timelines and reduced costs. Their technical expertise allows them to address the emissions control needs of their clients while aligning with business objectives and environmental compliance mandates.

Kidex

Seed Round in 2023
Kidex is an education technology company that provides a platform designed for holistic child development. It offers self-learning resources, live classes, peer-to-peer learning opportunities, and assessment services to help parents enhance their children's developmental profiles and career prospects.

Inito

Seed Round in 2023
Inito is a company that specializes in developing a medical testing device aimed at enhancing fertility monitoring. Its innovative device employs test strips in conjunction with a mobile application, allowing users to track their ovulation cycles conveniently from home. This solution not only provides clear and accurate results but also includes features such as reminders based on fluctuations in hormone levels. By facilitating an easy understanding of health information, Inito empowers individuals to monitor their fertility effectively and with greater ease.

Inito

Seed Round in 2022
Inito is a company that specializes in developing a medical testing device aimed at enhancing fertility monitoring. Its innovative device employs test strips in conjunction with a mobile application, allowing users to track their ovulation cycles conveniently from home. This solution not only provides clear and accurate results but also includes features such as reminders based on fluctuations in hormone levels. By facilitating an easy understanding of health information, Inito empowers individuals to monitor their fertility effectively and with greater ease.

HEN Nozzles

Seed Round in 2022
HEN Nozzles specializes in designing and manufacturing innovative firefighting nozzles. Utilizing principles of fluid dynamics and thermal management, their products enable firefighters to adjust solid stream patterns while maintaining optimal thermal balance.

TrueFoundry

Seed Round in 2022
TrueFoundry is an enterprise platform that enables teams to build, deploy, and manage large language model applications efficiently. The company focuses on automating the post-model pipeline, facilitating the deployment of application programming interfaces while ensuring features such as auto-scaling and centralized access controls. TrueFoundry also provides inbuilt monitoring and observability tools, which assist machine learning teams and data scientists in creating explainable demo web applications. This streamlining of the AI deployment process allows for faster feedback from business teams, ultimately enhancing productivity and operational efficiency.

Explorex Technologies

Seed Round in 2022
The Indian restaurant industry has already adopted technology to adapt to the growing demands and match the expectations of today's customers but the absence of a full-stack cloud-based software is extremely frustrating to business owners today. The existing systems lack modularity, lack the ability to integrate with services, and hence aren't plug and play. Also, Restaurants are extremely frustrated with all the 5-6 independent systems that don't talk to each other. We are solving these problems by building a full-stack solution for the 30 million+ restaurants in India, by solves order management, operations management, online delivery, payment processing, reports & analytics, and guest identification and re-engagement all using one system - Explorex. Location: 420 S 4th Street Unit 15, Ames, IA, us, 50010
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