Full directory
AI startup directory
Browse every AI startup profile on StartupHub.ai, listed alphabetically with sector, headquarters and funding. Open any company for its full profile.
Page 660 of 808Sigma Software to Silicon Box
Sigma SoftwareKharkiv, UkraineA provider of custom software development and IT consulting services.- SigmaLayerFintech · New York, United StatesSigmaLayer provided a platform for financial institutions to manage and automate their compliance and regulatory processes.
Sigmascanner
SigmastackAI InfrastructureSigmastack provides an AI-powered platform for managing and optimizing cloud infrastructure and developer workflows.
- SigmentoRetail · Tel Aviv, IsraelSaaS platform that automatically generates unique, optimized product pages for e-merchants.
SigmintAdTechMonetize your email signature by adding tasteful sponsored lines for passive income.
Sign.CreditBury, England
- SignaCor TherapeuticsHealthTech · Belfast, United Kingdom · $315KClinical-stage drug development company advancing treatments for hypertrophic cardiomyopathy and cardiovascular health.
Signadori BioBiotechnology · Paris, France · $12.2MDeveloping a next-generation, off-the-shelf, in vivo engineered monocyte immunotherapy platform for solid tumors.SignagridManage signatures, disclaimers and campaigns centrally. Choose managed cloud processing or run the relay in your own environment.
SignalMessaging · Washington, United StatesEnd-to-end encrypted messaging and voice calling app focused on privacy and security.
Signal AIAI Infrastructure · London, United Kingdom · $307.1MAI-powered intelligence platform for enterprise decision-making and risk management.
Signal GroupMaritime · Piraeus, GreeceA diversified group of companies operating within the maritime sector.
Signal HoundTest Equipment · Battle Ground, United StatesDesigns and builds affordable, high-performance RF test and measurement equipment.Signal IqCurious about Leadpages? Take a risk-free test drive and publish your first Lead Page in minutes, when you sign up for a free 14-day trial.
Signal Over Noise AIGlasgow, ScotlandPractical AI implementation for mid-market B2B. Custom AI agents, workflow automation & clear 90-day roadmaps. Built by a practitioner, not a pundit.
Signal SparrowLuton, EnglandTrack paying customers from click to Stripe. Measure CAC, ROAS, MRR and revenue attribution with server-side tracking for B2B SaaS.
Signal-StackDarwen, England
Signal1st
Signalbtcdefi
Signalcarehealthsolutions
Signalcashapp
Signalcashswap
Signalchainhub
Signalchatbot
SignalcheckLondon, United Kingdom
Signalcraft AILondon, EnglandSignalCraft AI
Signaldatabase
SignaldragonAI Infrastructure
SignaLeadEnterprise · New York, United StatesHR Signal provides real-time employee retention insights and talent development tools.
SignaledgeAI Infrastructure · Tel Aviv, IsraelAI-powered platform for real-time signal intelligence and threat detection.SignalformationLondon, EnglandLuke Strugnell O
SignalforxSignal Intelligence
Signalgrid DataEnergy Tech · Doncaster, United KingdomSignalgrid Data provides AI-powered data analytics and insights for the energy sector, focusing on grid optimization and renewable energy integration.
SignalhvacAI ToolSignalHVAC answers spec, compatibility, and install questions instantly from your catalog, datasheets, and install manuals.
SignalmdLondon, United Kingdom
SignalnovaLondon, United Kingdom
SignalondemandIntent DataIntent On Demand platform for businesses to understand and act on customer intent.
SignalPETArtificial Intelligence · Montreal, Canada · $5.0MAI-powered platform for standardized radiograph interpretation in veterinary medicine.Signalpool
SignalpraxisSignal Praxis — coming soon.
SignalravenSales IntelligenceSignalRaven monitors LinkedIn for relevant conversations, qualifies engaging individuals, and delivers actionable sales signals with talking points.
Signals AnalyticsEnterprise · New York, United States · $35.0MUnify retail, search, and social advertising with Skai’s AI-powered commerce media platform. Drive smarter, connected growth.Signaltradefi
Signaltrust
SignalvortexAI InfrastructureAI-powered platform for real-time signal intelligence and threat detection.SignalysData AnalyticsSignalys provides AI-powered solutions for real-time data analytics and operational intelligence, helping businesses make informed decisions.
SignaturefinanceGrow revenue, reduce cost, and protect margins with a live, governed finance command center.
SignaturelinkLegalTech
SignaturespoolsDigital Signature
SignaturestechDocument Management
Signaturetraders
SignavioBusiness Process Management · Berlin, GermanyBusiness process management and intelligence software for enterprise digital transformation.Signcapitalgain
Signeragent
SignerbotSignet AILondon, United Kingdom
Signet ProtocolEdinburgh, ScotlandBrought to you by Porkbun.
Signet7Agentic AISignet7 0.2.0rc1 accepts explicit AI-agent decision requests and creates bounded, signed, tenant-scoped records for detached verification.Signfast
Signflow NowLondon, United KingdomThe complete signing platform for UK solicitors, estate agents and accountants. AML screening, Right to Rent verification, HMRC 64-8, built-in payments and legally binding e-signatures.
Signgenius
- SignifAIEnterprise · Sunnyvale, United StatesAI-powered platform to increase system availability and solve technical operations problems faster.
SignifyE-commerce · San Jose, United StatesE-commerce fraud prevention platform using AI to protect online merchants.
SignifydFintech · San Jose, United States · $390.0MSignifyd provides a Commerce Protection Platform for e-commerce retailers, offering guaranteed fraud and chargeback protection.SigniqFarnborough, United Kingdom
Signkiosk
SignlaneLegalTech
SignldIdentity VerificationSIGNLD turns 10-40+ business systems into one knowledge graph so leadership teams get ranked, traceable decisions - not dashboards, not chatbot guesses.
SignNowDocument Management & eSignature · Brookline, United States · $72.5MCloud-based electronic signature solution for individuals and businesses to sign and manage documents.Signonchaingroup
Signup FlarenetworksA domain identified as a malicious entity involved in phishing and wallet-draining activities.
SignUpGenius, Inc.Nonprofit Tech · Charlotte, United StatesSigortanInsurTechÇoklu sigorta şirketiyle tek panelden çalış. AI destekli teklif, poliçe ve tahsilat yönetimi. Danışmanlar kazancının %80'ini alır.
SigsynA Signal & Syntax paper stamp that glides into place and reveals a contact form.
- sigtechInvestments · London, United KingdomAI for systematic trading and investment strategies.
SigtraceEdge AIPlug-in edge hardware for real-time signal matching without basecalling or cloud.
SigviAutomotive · Vilnius, Lithuania · $1.2MAI-powered revenue platform for the car rental industry.Sihuhub170News AggregationA news service platform providing massive information and reflecting real-time news hotspots.
Sihuhub175百度新闻是包含海量资讯的新闻服务平台，真实反映每时每刻的新闻热点。您可以搜索新闻事件、热点话题、人物动态、产品资讯等，快速了解它们的最新进展。
- SII-GAIRArtificial IntelligenceAutomating AI R&D with an agentic system for AI-for-AI research.
SikaruTurn real examples, failed runs, and feedback into reviewed improvements across context, harness, and model behavior.
Sikka LabsDigital AssetsQuantum-safe, Tor-native, zero-fee digital asset platform with a fixed supply.
SikluIoT · Petah Tikva, Israel · $49.0MSiklu offers a comprehensive portfolio of mmWave wireless solutions for multi-Gigabit connectivity in various network configurations.
SilaAgentic AI · New York City, United States · $300.0MAgent-native messaging platform where teams and AI work as one.- SILAEnergy Storage · Palo Alto, United States · $488.0MSILA develops advanced battery technology for electric vehicles and grid storage.
Sila NanotechnologiesEnergy · Alameda, United States · $375.0MDeveloper of high-performance silicon-based anode materials to increase energy density in lithium-ion batteries.
Sila ServicesHome Services · King of Prussia, United StatesA home services platform providing HVAC, plumbing, electrical, and other essential home maintenance and repair services.SilasadvisorsFintech
SiLC Technologies4D Imaging · Fremont, United States · $71.0MDevelops 4D vision systems using silicon photonics for advanced machine perception.
Silencio AIArtificial Intelligence · Tel Aviv, IsraelProvides high-performance multilingual voice datasets for AI model training.Silent Glass LabLondon, United Kingdom
Silent PushCybersecurity · Reston, United States · $20.0MPreemptive cybersecurity intelligence company identifying emerging threats before they are weaponized.SilentaChraň své soukromí, své zdraví a své peníze. Silenta běží tiše na pozadí, blokuje skryté odesílání dat. Vyzkoušej bezplatnou free verzi hned teď.
SilentiumAutomotive · Kfar Saba, Israel · $31.8MDevelops and implements Active Acoustics Noise Control (QB™) technology for the automotive industry.
Silfium AnalyticsQuantitative Analytics · Hounslow, EnglandQuantitative consultancy for complex risk, data, and software problems, applying actuarial science, AI, and quantitative analytics.Sili CosmosSynthetic Data Generation
SilibBattery · Tel Aviv, IsraelDeveloping 3D silicon-based anodes to significantly boost lithium-ion battery capacity.
SilicomSemiconductor · Fort Lauderdale, United StatesHigh-performance networking and data infrastructure solutions for server-based systems and cloud providers.
Silicon BoxSemiconductor · Sunnyvale, United States · $502.5MAdvanced semiconductor integration and packaging for high-performance computing and AI.