AI & Machine Learning Startups
27,317 companies tagged AI & Machine Learning, with their investors and founders.
Sign-Speak uses AI to translate communication into sign language, making information and content accessible to deaf and hard of hearing communities globally.
3 investors
SignalFire is a seed-stage investment fund that provides capital and operational support to early-stage companies, with a team of engineers, data scientists, founders, and operators backing portfolio companies.
3 investors
SiLC Technologies develops silicon photonics-based 4D+ vision systems for autonomous machines and robots. The company delivers integrated chip-scale vision solutions for industrial automation, robotics, mobility, and security applications.
3 investors
SilkChart analyzes B2B SaaS sales calls to measure playbook adoption and sales rep performance, surfacing coaching opportunities and actionable feedback to improve deal outcomes. The platform automatically scores calls against proven sales methodologies and provides AI-generated coaching feedback without requiring manual input.
3 investors
Silk Road Technology's Rival platform is an AI-powered orchestration system for HR and recruiting that integrates with existing ATS and HCM platforms to manage sourcing, candidate engagement, hiring, onboarding, and employee journeys. The platform serves enterprise organizations seeking to reduce time-to-hire and improve new-hire readiness.
3 investors
Silna offers a Care Readiness Platform that automates prior authorizations, insurance benefit checks, and ongoing insurance monitoring for healthcare providers. The AI-powered platform verifies patient coverage and authorization requirements upfront to speed up patient intake and payment.
3 investors
Rizzle helps publishers convert written articles into video content at scale using AI-powered video creation and distributes both formats across premium platforms including Yahoo, MSN, and YouTube. The service combines automated video production with human editorial oversight and syndication to premium distribution networks.
3 investors
SiMa.ai designs silicon and software to enable machine learning inference at the edge, deployed in industrial, automotive, and autonomous systems rather than cloud environments. The company serves manufacturers, vehicle makers, and equipment operators requiring low-latency AI processing on physical machines.
3 investors
Simbian builds an AI-driven security operations (SecOps) platform that uses autonomous AI agents to investigate alerts, run threat hunts, conduct penetration tests, and manage network and firewall operations for enterprise and MSSP security teams. The platform is designed to defend against AI-powered cyberattacks while automating existing SOC workflows.
3 investors
SimCare provides AI-powered avatar-based simulation practice for counseling and mental health training programs. The platform offers 500+ virtual client scenarios to help students develop interpersonal, counseling, and diagnostic skills across psychology, psychiatry, clinical counseling, social work, and behavioral health disciplines.
3 investors
Simile builds AI-driven simulation software using generative agents to model how customers, employees, or populations respond to change, helping organizations test decisions before acting. Its platform draws on nationally representative panel data to produce transparent, replicable simulations for enterprise decision-making, and has been used by CVS Health.
3 investors
Simplex provides automated provider enrollment management for healthcare networks, handling CAQH profile setup, payer applications, and compliance tracking across multiple states and insurers. The platform uses AI agents to submit applications, monitor status, fix corrections, and deliver final enrollment determinations with full audit trails.
3 investors
Simpli.fi provides AI-optimized advertising solutions using location intelligence for marketers, enabling targeted audience activation and campaign measurement across programmatic and omnichannel channels.
3 investors
Simplismart provides a cloud-based inference platform for deploying and scaling machine learning models, including LLMs, vision models, and diffusion models, with support for deployment across multiple clouds or on-premises infrastructure. The platform offers auto-scaling, latency optimization, and access to a library of open-source models and custom model imports for enterprises and AI teams.
3 investors
SimYog provides EMC (electromagnetic compatibility) simulation software for hardware design teams to identify and resolve EMI/EMC issues during the design phase before physical lab testing. The platform helps electronics manufacturers reduce development costs, accelerate time-to-market, and avoid expensive compliance failures.
3 investors
Sinay combines AI algorithms and environmental data to deliver performance insights for offshore and freight logistics industries, while providing marine monitoring and environmental assessment services for offshore wind farms and government agencies.
3 investors
Single Origin builds data infrastructure tooling that analyzes and optimizes queries and pipelines to reduce compute costs and improve engineering productivity for data teams. It focuses on query engine analysis, parsing, and query debugging and optimization across diverse query engines.
3 investors
Singulate is a marketing tool that lets lifecycle marketers, sales teams, agencies, and startups build dynamic customer segments and generate personalized email copy using real-time CRM, event, and product data. It integrates with existing tools such as HubSpot and delivers targeted messaging across outreach and automation channels without requiring SQL.
3 investors
Singuli provides machine learning-powered inventory optimization and demand planning solutions that integrate with ERP and OMS systems to optimize inventory levels across locations and reduce stockouts.
3 investors
Sintra is a platform offering role-based AI "employees" — chatbot-style digital workers that handle tasks like social media, customer support, email, content creation, and business operations. It targets entrepreneurs, solo founders, and small-to-growing teams looking to automate day-to-day work across multiple languages and integrated tools.
3 investors
Siren Optics builds material analysis systems that use cold atmospheric plasma and AI to perform real-time, non-destructive inspection of materials such as wafers, films, coatings, and battery components. Its PlasmaSens products range from benchtop units to robot-arm and inline systems for quality control in semiconductor, packaging, glass, aerospace, and battery manufacturing.
3 investors
Skej is an AI scheduling assistant that coordinates meetings via email, handling deal flow, LP relations, portfolio check-ins, diligence calls, and internal meetings. It is aimed at venture capital and financial services firms, integrating with existing calendar, email, and communication tools.
3 investors
Skeleton Technologies manufactures ultracapacitors for mission-critical power applications and energy storage solutions. The company targets commercial and industrial customers requiring reliable backup power and grid stabilization, using proprietary curved graphene technology.
3 investors
Skelter Labs is a South Korean AI company that provides end-to-end AI integration services, building conversational AI, large language models, speech recognition, and chatbot solutions for enterprises. Its work spans use-case discovery, custom AI solution development, system integration, and ongoing maintenance, with applications in finance, public sector, and customer contact centers.
3 investors