AI & Machine Learning Startups

Realm.Security develops an AI-native security data pipeline platform that helps enterprise security teams manage high log volumes, achieve unified visibility across data sources, and maintain detection and response capabilities without vendor lock-in.

2 investors

RealScout is a CRM-agnostic lead nurture platform for real estate agents, teams, and brokerages that automatically captures, enriches, and follows up with database contacts, adding client-facing property search and automated market alerts. It uses AI-driven intent signals (Scout Score) to help agents prioritize leads and close more deals, and is available in hundreds of U.S. markets.

2 investors

Reasoner analyzes thousands of human behavioral and psychological signals — including what people say, choose, value, and avoid — to identify patterns unique to each individual. The product appears to focus on modeling emotional, cognitive, and social traits.

2 investors

Reaxbio develops a chemoproteomics platform that identifies and targets novel protein sites for drug discovery across disease-relevant biological contexts. The platform enables small molecule discovery for virtually any protein using proprietary chemical tools and high-throughput screening capabilities.

2 investors

Rebel Space Tech develops spectrum intelligence software that monitors, detects, and classifies RF interference and electronic warfare threats targeting satellite and teleport operators. The platform serves space operators, government/defense agencies, and research institutions operating in contested electromagnetic environments.

2 investors

Rebuild provides an AI-powered estimation tool designed for restoration companies to automate and accelerate the estimate generation process. The platform helps estimators create accurate quotes faster, enabling teams to serve more customers and improve business efficiency.

2 investors

Recapped provides a collaboration platform designed to improve B2B sales processes and buyer experiences. The company focuses on making sales workflows faster and more enjoyable for sales teams and buyers.

2 investors

Ricerca redefines business systems as AI-native software, making enterprise operations more intuitive and automating routine work. The company serves large manufacturing, trading, and logistics enterprises in Japan.

2 investors

Recess Academy is an online school for children that provides live academics in small-group pods, a daily community hour, weekly electives, and an AI tutor called Rocky, with mentors and guides involved in students' daily schedules. It serves families in the U.S. seeking an alternative K-12 education model, with tuition structures including financial aid and ESA support.

2 investors

Reclaim Protocol provides automated credential verification across employment, education, loyalty, and other categories using AI-assisted connectors and cryptographic verification. The platform serves enterprises and platforms that need to verify credentials across 90+ countries at significantly lower cost than legacy verification providers.

2 investors

Tensordyne develops AI-focused math, chips, hardware, and software aimed at data center inference systems, targeting lower energy use and cost for running advanced AI. It builds a full-stack inference system from silicon up for AI workloads.

2 investors

ReconLabs is a South Korean technology company focused on developing new technologies and products, with a team weighted toward R&D and graduate-level talent. The team page emphasizes its engineering and product-building focus but does not specify the product on this page.

2 investors

RecordLens offers Sally, an AI assistant that uses text messages and phone calls to handle scheduling, dispatch, daily reports, timesheets, safety documentation, and paperwork for field crews. It targets owners of trucking and field-service operations (such as electrical substation and construction contractors) who want to collect job proof and reports without requiring their crews to use an app.

2 investors

2 investors

Recycleye builds AI and robotics technology for sorting waste and recyclable materials at materials recovery facilities (MRFs), aiming to improve purity and output of recovered materials. It serves the waste and materials management sectors, with installations across Europe and the United States.

2 investors

Redactive builds a browser-level prompt security layer that monitors employees' use of shadow AI tools like ChatGPT, Claude, and DeepSeek and applies customizable DLP rules to prevent sensitive company data from being shared in prompts. It targets enterprise security teams seeking visibility and control over unmanaged AI usage.

2 investors

Redbooth is a work organization and project management platform designed to help companies structure tasks, assign responsibilities, and track project timelines. It serves teams across industries including non-profits, hospitality, and media companies seeking to improve operational efficiency.

2 investors

Software platform to improve drug discovery

2 investors

Redflag AI provides AI-powered detection, takedown, and protection for digital content across platforms, helping creators, sports organizations, media companies, and publishers identify and monetize unauthorized uses of their intellectual property. The platform continuously scans for piracy across social media, streaming services, and the broader digital ecosystem, with capabilities including automated enforcement, compliance tracking, and real-time monitoring.

2 investors

Redica offers an AI-enriched intelligence platform that unifies global regulatory, inspection, site, and post-market data to help companies manage risk and protect product quality. It serves quality, regulatory, and supply chain teams across industries including pharmaceutical, medtech, cosmetics, supplements, food, and financial services.

2 investors

Redkik provides embedded, transactional insurance software that integrates via API at the point of sale, using AI and machine learning to analyze data points and generate dynamic quotes and risk-management tools for cargo, warehouse, gap, and spike coverage. It serves transport intermediaries, shippers, freight brokers, insurance providers and brokers, and transport management systems in the global shipping industry.

2 investors

REDLattice is a U.S.-owned defense technology company that develops cyber solutions and tools for the intelligence community, law enforcement, and military organizations. The company provides digital access capabilities, vulnerability identification, and offensive cyber operations tailored for classified and high-risk environments.

2 investors

Redouble provides infrastructure for deploying autonomous AI agents at scale, offering an alternative to sandbox-based agent runtimes. The platform addresses the gap between AI pilot projects and production-ready business deployments.

2 investors

Redslim is a specialist data management business that helps organizations improve decision-making and efficiency by managing external market data and complex data environments. The company combines enterprise data management expertise with strategic guidance to connect data initiatives to broader business objectives for clients across multiple industries.

2 investors