/Investor DB

Underline Ventures — Full Portfolio

30 tracked investments · listed companies and verified rows first

Bible Chatthebiblechat.comin𝕏Feb 2025✓ verified

An educational content platform that publishes curated Bible verses and spiritual guidance, with a complementary mobile app that provides biblical teachings and daily devotional content.

AI & Machine LearningConsumerEdTechHealthtechMedia & EntertainmentMental HealthSocialWellness & Fitness

Laurentiu Balasa(Co-founder)inMarius Iordache(Co-founder)in

Co-investorsEarly Game VenturesSilicon GardensTrue VenturesPlay Ventures

Almetradeltia.aiJun 2026

Almetra (rebranded as Deltia) builds AI-powered analytics and monitoring systems for manufacturing operations, combining computer vision and sensor data to help factories identify bottlenecks and improve productivity.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareBerlin, DE

Max Fischer(Co-founder and CEO)in

Co-investorsCavalry VenturesCombination VCRobin Capitalsandstorm.vcTranspose Platform ManagementBlisce+3 more

Almetraalmetra.aiJun 2026

Almetra builds AI for manufacturing by combining computer vision, sensor data, and manufacturing expertise to help industrial teams understand production processes, identify bottlenecks, and improve operations.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareRoboticsBerlin, DE

Co-investorsCritical VenturesLinden CapitalNAPBlisceMerantix CapitalRobin Capital

Charter Spacecharter.spacein𝕏

Charter Space builds software and insurance infrastructure for spacecraft programs, including an AI-assisted space underwriting platform.

Logistics & Supply ChainSpace TechLondon, GB

Yuk Chi Chan(Founder)inyukun yin(Founder)in

Co-investors7percent VenturesActuate VenturesEvolution VenturesGaingelsHike VenturesHustle Fund+3 more

Cluingcluing.ioin𝕏

Cluing is a knowledge management tool for capturing, storing, and searching research and links, aimed at content marketers and copywriters.

AI & Machine LearningFuture of WorkMarketing TechSaaS

Collabwritingcollabwriting.com𝕏

Collabwriting is a collaboration tool for research that lets users highlight, save, and share web and Kindle content with others, including people without an account.

Future of WorkSaaS

Ivan Ralic(Founder)Sandra Idjoski(Founder)

Co-investorsCredo VenturesSMOK Ventures

Embeddembedd.itAug 2026 · $2.7M

Embedd provides software enablement for semiconductors by modeling chips as digital twins and deterministically generating software, tests, and simulations.

Deep TechDeveloper ToolsSemiconductors

Michael Lazarenko(Founder)in

Co-investors2100 VenturesCocoaCommon MagicRoosh Venturesu.ventures

Geneziogenezio.comin𝕏Apr 2024 · $2M

Genezio is an AI recommendation intelligence platform that tracks and optimizes how generative AI systems (ChatGPT, Google AI Overviews, Gemini, Perplexity, Claude) mention and recommend brands.

AI & Machine LearningMarketing TechSaaS

Andrei Pitis(Co-Founder & CEO)inBogdan Ripa(Co-Founder & CPO)inPaula Cionca(Co-Founder & CMO)inBogdan Vlad(Co-Founder & CTO)in

Co-investorsGapMinder

GitBookgitbook.comin𝕏Aug 2018

GitBook is a documentation platform that helps teams create, publish, and maintain product docs, with tools to sync docs with code repositories, detect stale content, and let users query docs through an AI assistant.

AI & Machine LearningDeveloper ToolsSaaSCovina, US

Samy Pessé(Founder)inAaron O'Mullan(Founder)Samy Pesse(Founder)

Co-investorsFly VenturesKima VenturesPoint NineTPC Club (The presale club)TPC VenturesElectric Capital

GO to Videowisevideowise.comin𝕏

Videowise provides an AI-powered centralized library for managing and organizing videos, UGC, and creative assets with automated tagging, search, and rights management.

AI & Machine LearningCreator EconomyE-commerceMarketing TechSaaSSocial

Co-investorsMu Ventures

Goodlegalgoodlegal.ioPre-Seed · Nov 2022 · $1MDefunct

Pre-seed company based in Bucharest.

Bucharest, RO

Vasile Țiple(Founder)

Co-investorsCredo VenturesEarlybird Venture Capital

Metadatametadata.ioSeed · Jan 2019

Metadata builds a Marketing OS (operating system) for B2B marketers to automate manual and repetitive marketing tasks.

AdTechAI & Machine LearningData & InfrastructureEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Gil Allouche(Executive Officer, Director)inYan Manevich(Executive Officer, Director)

BoardBobby Lent(Director)in

Co-investors500 GlobalAcorn Pacific VenturesBeyond CapitalEmery CapitalGaingelsGFT Ventures+12 more

Nestornestorup.comin𝕏Seed · Dec 2022 · $2M

Nestor provides HR teams and managers with software to catalog, evaluate, and assign employees based on their skills, using AI to match workers to internal roles, projects, and upskilling opportunities aligned with business needs.

Enterprise SoftwareHR TechSaaSSan Francisco, US

Bogdan Apostol(CEO)inRaluca Apostol(CPO)inAdrian Pironescu(CTO)

Co-investorsEleven VenturesY Combinator

Respeecherrespeecher.comin𝕏Seed · Mar 2020 · $2M

Respeecher develops proprietary deep learning technology to create high-quality synthetic speech for filmmakers, game developers, advertisers, podcasters, and content creators.

AI & Machine LearningCreator EconomyGamingMedia & EntertainmentSaaSKyiv, UA

Oleksandr Serduik(Executive Officer, Director, Promoter)Grant Reaber(Executive Officer, Director, Promoter)inAlex Serdiuk(Founder)inDmytro Bielievtsov(Co-founder and CTO)in

BoardJohn Frankel(Director)in

Co-investorsAcrobator VenturesBADideas.fundCathexis VenturesDniproFf Venture CapitalHartmann Capital+4 more

SaleSquezesalesqueze.cominSeed · Jun 2024 · $2M

SaleSqueze provides a CPQ tool that lets customers of outdoor living businesses configure products in 3D and receive instant quotes, replacing manual quoting.

SaaSSales Tech

Leon Panjtar(Founder)inAmbroz Bajec-Lapajne(Founder)

Co-investorsRobin CapitalFortech Investments

SERA Intelligencesera.agin

Sera develops an AI-powered knowledge management system that captures lead growers' expertise, standard operating procedures, and site-specific protocols into an interactive knowledge base for commercial greenhouse operations.

AgTechAI & Machine LearningData & InfrastructureEnterprise SoftwareIoTZürich, CH

Sergio Rannula(Founder)inCristian Anastasiu(Founder)inWilliam McGehee(Founder)in

Co-investorsCavalry VenturesNAP

Trickesttrickest.comin𝕏Seed · Sep 2023 · $1M

Trickest offers a platform for security testing built around composable, reproducible workflows, where each workflow is represented as a graph of trusted, largely open-source tools.

AI & Machine LearningCybersecurityDeveloper ToolsSaaS

Mihailo Tomic(Founder)Nenad Zaric(Founder)

Co-investorsMoonfire VenturesBek VenturesCredo VenturesCrew Capital

Turneoturneo.comSep 2024

Turneo provides an experience management system for hotels to build, sell, and manage bookable activities and tours across their properties, supporting both in-house offerings and third-party partner experiences from a unified platform.

AI & Machine LearningB2B MarketplacesE-commerceSaaSTravel & HospitalityLondon, GB

Matija Marijan(Founder)in

Co-investorsAscensionBessemer Venture PartnersSilicon Gardens

TypingDNAtypingdna.comin𝕏Seed · Jan 2019 · $2M

TypingDNA provides cloud-based authentication and continuous endpoint authentication solutions using behavioral biometrics.

AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareFintechNew York City, US

Adrian Gheara(Founder)inRaul Popa(Founder)inCristian Tamas(Founder)in

Co-investorsFlucas VenturesGapMinderGecad VenturesTechstarsCredo VenturesGradient Ventures

Uvionixuvionix.comin𝕏Seed · Feb 2025 · $4M

Uvionix builds robotics and AI systems with real-time analytics to automate warehouse inventory tracking, replacing manual counts with accurate shelf-level data.

AI & Machine LearningLogistics & Supply ChainRoboticsRancho Cordova, US

Boris Iskrev(Founder)in

Co-investorsLAUNCHub VenturesRobin CapitalPortfoLion Capital Partners

Veridionveridion.cominFeb 2023

Veridion builds a continuously updated data graph of global companies, tracking what businesses exist, what they do, and how they change over time.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaS

Mihai Vinaga(Founder)inFlorin Tufan(Founder)inSorina Vlasceanu(Founder)

Co-investorsDay One CapitalGapMinderLauncHub VenturesLAUNCHub VenturesOTB Ventures

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Dataworks Research SRLDesignVerseGO to DesignVerseGO to MixRiftMixRiftRoboselfSERATokinomoVideowise

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.