Y Combinator Spring 2025

2025

143 companies in Y Combinator Spring 2025. Biggest markets: Agent Infrastructure & Orchestration (23), AI Data & Model Infrastructure (20), AI for Financial & Compliance Ops (20). Each with its founders and the page its membership is read from.

AcoliteNew York City, NY, USA
AI Native Commercial Insurance Broker
Barak Ben Noon, Daniel SiryakovAI for Financial & Compliance Ops Source
AdentrisSan Francisco, CA, USA
Real-time AI Compliance for Medical Documentation
Alex Odin, Dmitry Karpov, Sergey YudovskiyAI Healthcare Admin & Documentation Source
AegisSan Francisco, CA, USA
AI Agents to win denied health insurance claims.
Aarav Bajaj, Dhanya Shah, Krishang TodiAI Healthcare Admin & Documentation Source
AirweaveSan Francisco, CA, USA
The open-source context retrieval layer for agents
Lennert Jansen, Rauf AkdemirAgent Infrastructure & Orchestration Source
AlkaliHouston, TX, USA
The smarter way to estimate steel.
Emmett Goodman, Victor MillerRobotics & Manufacturing Source
AlmondSan Francisco, CA, USA
A dual-arm robot built for physical AI.
Saba Khalilnaji, Shawn PatelRobotics & Manufacturing Source
Alpha ResearchNew York City, NY, USA
Open source, agentic knowledge bases for all of humanity's knowledge.
Ryan PrendergastAI Data & Model Infrastructure Source
AnanaNew York City, NY, USA
The agentic system of action for hotel groups and management companies
Alexandros Zisimidis, Ricardo PantaleonAI Sales & GTM Agents Source
AravoltaSan Francisco, CA, USA
Software to monitor, control, and optimize data centers.
Jack Sutton, Margarita GroismanData Analytics & BI Source
AtlogNew York City, NY, USA
Outbound voice and text AI without a prompt
John Bettinger, Vraj ParikhVoice & Conversational AI Source
AttuneSan Francisco, CA, USA
Faster builds, zero effort.
Xin DingCloud DevOps & Dev Environments Source
Atum WorksSan Francisco, CA, USA
Gigascale Nanomanufacturing
Lucas Pabarcius, Malcolm Tisdale, Matteo KimuraRobotics & Manufacturing Source
AuctorNew York City, NY, USA
The agentic operating system for modern system integrators.
Anthony Sky Ng-Thow-Hing, Matthew Blackburn, William SunAgent Infrastructure & Orchestration Source
Avallon AINew York City, NY, USA
AI agents for insurance claims operations
Bryan Guin, Cornelius SchrammAI for Financial & Compliance Ops Source
AviroSan Francisco, CA, USA
Environments for Long Horizon Tool Use
Aarush Kukreja, Ayush KarupakulaAI Data & Model Infrastructure Source
BelugaSan Francisco, CA, USA
Creator marketing that scales like paid ads
Fernando Young, Jack SwisherMarketing & Ad-Tech Source
Besimple AISan Francisco, CA, USA
Voice data for AI
Bill Wang, Yi ZhongVoice & Conversational AI Source
Better AuthSan Francisco, CA, USA
The authentication framework for TypeScript
Bereket EngidaAI-Native Cybersecurity Source
BitBoardSan Francisco, CA, USA
Let your agent build dashboards and reporting.
Ambar Choudhury, Connor JonesAgent Infrastructure & Orchestration Source
BitPatrolNew York City, NY, USAAcquired
AI-powered code security
Christopher LambertAI-Native Cybersecurity Source
BlaxelSan Francisco, CA, USA
The perpetual sandbox platform
Charles Drappier, Christophe Ploujoux, Mathis Joffre, Nicolas Lecomte, Paul Sinaï, Thomas CrochetAgent Infrastructure & Orchestration Source
Bloom
Build and share mobile apps in seconds
David Oort Alonso, Sirian MaathuisNo-Code Builders & Team Productivity Source
BluejaySan Francisco, CA, USA
Test, monitor, and improve your voice and chat AI agents
Faraz Siddiqi, Rohan VasishthVoice & Conversational AI Source
BlueshoeBoston, MA, USA
The AI-Native Consumer + Plaintiff Law Firm
Casey O'Grady, Kai Yee WanAI for Legal Source
BondSan Francisco, CA, USA
Your AI Chief of Staff
Chloe SamahaAI for Financial & Compliance Ops Source
Boost RoboticsBoston, MA, USA
Robots for the inspection and maintenance of data centers
Hans Kumar, Hardik SinghRobotics & Manufacturing Source
BramanteBoston, MA, USA
Life sciences reagents and software
Scott StankeyBiotech & AI Drug Discovery Source
CactusSan Francisco, CA, USA
All-In-One AI Growth Partner. Built for Trades.
Ajith Govind, Avinash JoshiAI Sales & GTM Agents Source
CapacitiveSan Francisco, CA, USA
The data gateway for agents.
Kevin Treehan, Rohan RadhakeesoonAgent Infrastructure & Orchestration Source
CartpoleSan Francisco, CA, USA
Building reinforcement learning environments
Mateo PerezAI Data & Model Infrastructure Source
Cascade SpaceSan Francisco, CA, USA
Commercial alternative to the Deep Space Network
Arlen Abraham, Jacob PortukalianSpace & Defense Source
Casco
Autonomous security testing for web apps, APIs, cloud, and AI systems
Ian Saultz, Rene BrandelAI-Native Cybersecurity Source
CaucusInactive
AI CRM for Government
Amir Farahani, Tyler ChenAI for Financial & Compliance Ops Source
ChestnutSan Francisco, CA, USA
The first AI mortgage lender
Spencer BrownAI for Financial & Compliance Ops Source
ChironLondon, England, United Kingdom
Grammarly for Math ✏️
James Booth, Max BoothEdtech Source
chrtLos Angeles, CA, USA
chrt is a logistics platform for time-critical shipping
Aaron Carver, Kyle ReaganE-Commerce & Marketplaces Source
Claim HealthNew York City, NY, USA
AI Revenue Platform for Post-Acute Care
Jayen Ram, Kevin CalcadoAI Healthcare Admin & Documentation Source
ClarmZH, Switzerland
Build governed AI agents on your own data, without code
Marcus Storm-MollardAgent Infrastructure & Orchestration Source
ClideySan Francisco, CA, USA; Remote
Turn scattered data into one platform for decision-making
Anguel Hristozov, Hemang KandwalData Analytics & BI Source
Code FourSan Francisco, CA, USA
Modernizing the police workflow.
Dylan Nguyen, George ChengAI for Financial & Compliance Ops Source
CohesiveNew York City, NY, USA
The agentic CRM for blue-collar services
Kevin Zhang, Nam NguyenAI Sales & GTM Agents Source
CombinelyLondon, England, United Kingdom
AI coworker for Accountants
Arthur Granacher, Tom InvernizziAI for Financial & Compliance Ops Source
CotoolSan Francisco, CA, USA
AI Agents for Security Operations Teams
Eddie Conk, Logan Carmody, Max PollardAgent Infrastructure & Orchestration Source
CrimsonLondon, England, United Kingdom
The AI Associate for Litigation Lawyers
David Strömbäck, Mark FeldnerAI for Legal Source
CuaSan Francisco, CA, USA
Give every agent a cloud desktop
Francesco BonacciAgent Infrastructure & Orchestration Source
cubicLondon, England, United Kingdom
AI-powered code review platform
Paul Sanglé-FerrièreCloud DevOps & Dev Environments Source
DenSan Francisco, CA, USA
Make real life a video game
Justin Lee, Linus TalackoGaming & Esports Source
DocketSan Francisco, CA, USA
AI agents for web testing
Boris Skurikhin, Nishant HoodaAgent Infrastructure & Orchestration Source
Eloquent AISan Francisco, CA, USA
The AI Operator for Financial Services
Aldo Lipani, Tugce BulutAI for Financial & Compliance Ops Source
FeynSan Francisco, CA, USA
Custom models trained on your data
Bhavnick Minhas, Shreyash NigamAI Data & Model Infrastructure Source
Flott HQParis, Île-de-France, France
AI-native operating system for vehicle fleet management
Kanvaly Fadiga, Sylvanus MAHEE-Commerce & Marketplaces Source
Foundation IndustriesSan Francisco, CA, USA
We supply hard tech companies with critical components.
Jakob KnudsenRobotics & Manufacturing Source
FreesoloSan Francisco, CA, USA
Product Native Models
Eric Mao, Tom ZhengAI Data & Model Infrastructure Source
FrekilBengaluru, KA, India
RWE Generation in minutes
Nikhil Tiwari, Shivesh GuptaBiotech & AI Drug Discovery Source
Galen AISan Francisco, CA, USAAcquired
Personal AI healthcare agent, powered by clinical and wearable data.
Priyanka Shrestha, Viraj MehtaAI Healthcare Admin & Documentation Source
GodelaSan Francisco, CA, USA
AI Physics Engine to replace simulations and prototypes
Abhijit Pranav Pamarty, Cinnamon SipperAI Data & Model Infrastructure Source
GolfSan Francisco, CA, USA
Agentic AI Security and Governance
Antoni Gmitruk, Wojciech BłaszakAgent Infrastructure & Orchestration Source
GroundControlSan Francisco, CA, USA
Vertical AI for highly-regulated manufacturing
Matthew Noseworthy, Mehul Shah, Nick WarrenRobotics & Manufacturing Source
HABITLos Angeles, CA, USA
Conversational robots for physical businesses.
Harish Palani, Michael TrehanRobotics & Manufacturing Source
HanjiSan Francisco, CA, USA
Turn your hardest documents into reliable data
Achyut Krishna Byanjankar, David Yu, Soami KapadiaData Analytics & BI Source
HelixDBLondon, England, United Kingdom
The fastest & most scalable graph-vector database on the market
George Curtis, Xavier CochranAI Data & Model Infrastructure Source
HemutSan Francisco, CA, USA
AI-powered operating system for trucking companies.
Loki CheemaE-Commerce & Marketplaces Source
Human BehaviorSan Francisco, CA, USA
Understand your users beyond the numbers
Amogh ChaturvediAI Data & Model Infrastructure Source
IRBCNew York City, NY, USA
AI-native financial institution for global businesses + agents.
Courtne Marland, Henry KwonAI for Financial & Compliance Ops Source
Jeevy FabricationCleburne, TX, USA
AI Driven EPC - Weld Fabrication Contractor
Jeevesh Konuru, Vinay KonuruRobotics & Manufacturing Source
Kaelio
The open-source context layer for data agents
Andrey Avtomonov, Luca MartialAgent Infrastructure & Orchestration Source
KairosSan Francisco, CA, USA
Specialized AI for Critical Industries
Shivum PandoveAgent Infrastructure & Orchestration Source
KaizenSan Francisco, CA, USA
Automate anything on the web.
Kenneth Acquah, Michael SilverAgent Infrastructure & Orchestration Source
Kanava AISan Francisco, CA, USAInactive
Your First AI Sales Hire for Wholesale Distributors
Smit Dagli, Vikhyath MondretiAI Sales & GTM Agents Source
KashikoiSan Francisco, CA, USA
Simulation Engine for Benchmarking AI Products
Aaksha MeghawatAgent Infrastructure & Orchestration Source
KestralSan Francisco, CA, USA
We automate your entire product development lifecycle.
Bernard Xie, Brian KimAI Sales & GTM Agents Source
Kirana AINew York City, NY, USA
AI manager for physical stores
Nicholas Sleeper, Prateek PinisettiAI for Financial & Compliance Ops Source
Klavis AI
High Quality Coding & Agentic Data for AI labs
Xiangkai Zeng, Zihao LinAI for Legal Source
LabricSan Francisco, CA, USA
The data layer for scientific research
Caitlin Hogan, Connor HoganAI Data & Model Infrastructure Source
LeerooLondon, England, United Kingdom
Organizational Superintelligence
Alireza Mohammadshahi, Majid YazdaniAI for Legal Source
LibrettoSan Francisco, CA, USA
Turn website workflows into reliable APIs
Michael Kronovet, Tanishq KancharlaAgent Infrastructure & Orchestration Source
LucisParis, Île-de-France, France
Function Health for Europe
Baptiste Debever, Max BerthelotHealthcare Delivery & Ops Source
LumariSan Francisco, CA, USA
AI Digital Workers for Supply Chain
Eshani Mehta, Sam LambaAI for Financial & Compliance Ops Source
Mbodi AINew York City, NY, USA
Industrial Robots that Learn and Operate Like Humans
Sebastian Peralta, Xavier (Tianhao) ChiRobotics & Manufacturing Source
MesmerBerlin, Berlin, Germany
The operating system for the 100x Engineering Team
João de Paula, Lucas Silva, Sergio Oliveira BergmannAgent Infrastructure & Orchestration Source
MindFortLos Angeles, CA, USA
Autonomous Security Agents
Akul Gupta, Brandon VeisehAgent Infrastructure & Orchestration Source
MinervaSan Francisco, CA, USA
AI native accounting firm
Om Agarwal, Peter ZhuAI for Financial & Compliance Ops Source
mlopLondon, England, United Kingdom
Experiment tracking for training ML models
Stephen SunAI Data & Model Infrastructure Source
Moby AnalyticsParis, Île-de-France, France
AI financial auditors
Dimitri Kassubeck, Thomas RapillyAI for Financial & Compliance Ops Source
MorphikSan Francisco, CA, USA
AI workers for Skilled Nursing and Senior Living Operations
Adityavardhan Agrawal, Arnav AgrawalAI Healthcare Admin & Documentation Source
MorphoAINew York City, NY, USA
Software tool for designing robots and machines
Andrew Spielberg, Ayna AroraAI Data & Model Infrastructure Source
NaïveSan Francisco, CA, USA
Unified Agent Infrastructure
Dennis Zax, Sean DorjeAgent Infrastructure & Orchestration Source
nao LabsParis, Île-de-France, France
Open Source Analytics Agent
Christophe Blefari, Claire GouzeAgent Infrastructure & Orchestration Source
neoncoralSan Francisco, CA, USA
🪸 AI consumer social
Thomas LiaoVoice & Conversational AI Source
Nimbic AISan Francisco, CA, USA
Automatically write and update internal docs with every code commit.
Akshath M, Ishan Khare, Ishan MehtaNo-Code Builders & Team Productivity Source
NomiParis, Île-de-France, France; Remote
Realtime Sales Copilot
Swan BeaujardAI Sales & GTM Agents Source
NovoflowSan Francisco, CA, USA
AI employees that automate medical operations for clinics.
Georges Casassovici, Mathieu RihetAI Healthcare Admin & Documentation Source
Opusense AIToronto, ON, Canada
AI for Field Inspection Reports
Michael Bacani, Roya CodyAI for Financial & Compliance Ops Source
OrchidSan Francisco, CA, USA
A personal EA in your iMessage
Adam Wazzan, Nizar Abi ZaherVoice & Conversational AI Source
Paper InstrumentsSan Francisco, CA, USA
Open-source frontier models for knowledge work
Daanish Khazi, Gavin Bains, Joseph BesgenAI Data & Model Infrastructure Source
ParaQueryNew York City, NY, USA; Remote
Managed GPU-accelerated Spark + SQL at 2x speed and half the cost
Win WangData Analytics & BI Source
ParsewiseLondon, England, United Kingdom
Multi-document processing for your risk teams, AI agents, pipelines
Greg Csegzi, Max HoferAI for Financial & Compliance Ops Source
PartclSan Francisco, CA, USA
Design a chip in minutes
Vamshi Balanaga, William SalcedoRobotics & Manufacturing Source
PelicaSan Francisco, CA, USA
Transforming healthcare operations with AI agents
Catherine Zhao, Lalit KunduAI Healthcare Admin & Documentation Source
PercivalSan Francisco, CA, USA; RemoteInactive
Accelerating data analysis for research
David Zhu, Kevin BiAI Data & Model Infrastructure Source
PgDogSan Francisco, CA, USA; Remote
Scaling engine for PostgreSQL
Lev KokotovData Analytics & BI Source
PhotoniumNew York City, NY, USA
AI-Powered Optical Consulting & Software
Adam Mhatre, Jennifer SongRobotics & Manufacturing Source
PlexeLondon, England, United Kingdom
Open-source agents to build predictive ML models from a prompt
Vaibhav DubeyAI Data & Model Infrastructure Source
PowerMatrixLondon, England, United Kingdom
Efficient and compact power supply for AI hardware
Borong HuClimate & Energy Source
PrismSan Francisco, CA, USA
Deploy AI Agents with a Single API Call
Alex Liu, Rajit KhannaAgent Infrastructure & Orchestration Source
ProboParis, Île-de-France, France
We help you get compliant while you focus on your business.
Antoine Bouchardy, Bryan FriminB2B SaaS & SMB Ops Source
PropolisNew York City, NY, USAAcquired
Hands off QA via intelligent browser agents.
Marc Papazian, Matt WhiteAgent Infrastructure & Orchestration Source
QFEXLondon, England, United Kingdom
24/7 Global Stock Exchange
Annanay Kapila, Joshua WhartonLending & Consumer Finance Source
QualGentSan Francisco, CA, USA
AI Mobile App Quality Assurance Tester
Aaron Yu, Shivam AgrawalAI Sales & GTM Agents Source
RaloNew York City, NY, USA
AI-Native Mortgage Broker
Arjun Lalwani, Helly ShahAI for Financial & Compliance Ops Source
RefreshSan Francisco, CA, USA
Training gyms for computer use and software engineering work
Christopher Settles, Erik QuintanillaEdtech Source
RimbaSan Francisco, CA, USA
Streamlining Data Capture to Report Creation for Heavy Industries
Timothy DanielData Analytics & BI Source
RunRLSan Francisco, CA, USA
Reinforcement learning as a service
Andrew GritsevskiyAI Data & Model Infrastructure Source
Scalar Field
Your Agentic Trading Desk — Building the next era of agentic…
Amandeep Singh, Ramakant YadavAI for Financial & Compliance Ops Source
sieveNew York City, NY, USA
AI + human review to solve data cleaning - accessible via API or Excel
Nicole LuAI for Financial & Compliance Ops Source
SimSan Francisco, CA, USA
Open source platform to build AI agent workflows
Emir Karabeg, Waleed LatifAgent Infrastructure & Orchestration Source
SixtyfourSan Francisco, CA, USA
Intelligence Infrastructure on People and Entities
Christopher Price, Saarth ShahAI for Financial & Compliance Ops Source
StarSlingSan Francisco, CA, USA
Self-Driving CI
Daniel Worku, Yonas BeshawredAgent Infrastructure & Orchestration Source
stratifySan Francisco, CA, USA
AI agents that help you understand your customers' needs
Pratham Hombal, Siddhartha JavvajiAI Sales & GTM Agents Source
SureformSan Francisco, CA, USA
Real-world data for multimodal and embodied AI
Ananth KashyapAI Data & Model Infrastructure Source
Sygaldry TechnologiesAnn Arbor, MI, USA
quantum-accelerated AI servers
Chad Rigetti, Idalia FriedsonAI Data & Model Infrastructure Source
Synthio LabsSan Francisco, CA, USA
Agentic AI platform for Pharma GTM teams
Rajashekar Vasantha, Sahitya Sridhar, Supreet DeshpandeBiotech & AI Drug Discovery Source
TegoreSan Francisco, CA, USA
Your new AI-powered math tutor.
Ende ShenEdtech Source
Text.aiSan Francisco, CA, USA
Alfi - your group chat with social skills to bring friends closer
Paras Maniar, Prahar Patel, Rushi ShahVoice & Conversational AI Source
The Robot Learning CompanyBY, Germany
Tools for the next era of physical automation.
Jannik GrothusenRobotics & Manufacturing Source
TheoremSan Francisco, CA, USA
Program verification so even your systems engineers can vibecode
Jason Gross, Rajashree AgrawalAI Data & Model Infrastructure Source
ThetaSan Francisco, CA, USA
Specialized AI for Every Job
Gurvir Singh, Rayan Garg, Tanmay SharmaAI for Legal Source
Third ChairSan Francisco, CA, USA; Remote
AI-Native IP Enforcement Agent
Shourya Lala, Yoav ZimmermanAI for Legal Source
throxyLondon, England, United Kingdom
Vertical AI agents running B2B outbound on autopilot, with human SDRs
Arnau Ayerbe Garcia, Pablo Jimenez de Parga RamosAI Sales & GTM Agents Source
Ticket WalletNew York City, NY, USA
AI-optimized ticket resale
Ryan Clare, Truman GelnovatchTravel & Mobility Source
TinfoilSan Francisco, CA, USA
Encrypted AI with verifiable privacy
Jules Drean, Sacha Servan-Schreiber, Tanya VermaAI Data & Model Infrastructure Source
TrapezeNew York City, NY, USA
AI-native Zocdoc
Betty Chang, Christopher ChenAI Healthcare Admin & Documentation Source
UnitsSan Francisco, CA, USA
Units is building an AI education infrastructure company.
Daniel MartinezAI Data & Model Infrastructure Source
ValueMateNew York City, NY, USA
Valuemate automates real estate appraisals with AI
Anir Prativadi, Pietro Demicheli, Vivek IsukapalliAI for Financial & Compliance Ops Source
Vassar RoboticsLos Angeles, CA, USA
Open-source semi-humanoid dev kit → home data → autonomy → 20h/wk
Charles YongRobotics & Manufacturing Source
VesenceStockholm, Stockholm County, Sweden
Cursor for Lawyers. Agentic AI in MS Office.
Henrik Hansson, Ludvig SwanstromAI for Legal Source
Vision LabSan Francisco, CA, USA
Industrial data layer for robotics training
Tanachart (James) Kujareevanich, Will Wenbo Zhang, Zhichu RenRobotics & Manufacturing Source
VoiceOSSan Francisco, CA, USA
Say it and it's done. Voice is the new OS
Jonah Daian, Kai BrokeringVoice & Conversational AI Source
VybeSan Francisco, CA, USA
Secure internal apps. Built by AI in seconds. Powered by your data.
Fabien Devos, Quang HoangNo-Code Builders & Team Productivity Source
WaffleLondon, England, United Kingdom
Discover & Build AI Chatbots
Diogo Valdivieso, Manuj MishraVoice & Conversational AI Source
WavedashLos Angeles, CA, USA
Play the latest games in your browser with no downloads
Kyler Blue, Matthew Portner, Raymond (George) KennedyGaming & Esports Source
WillowSan Francisco, CA, USA
The voice interface replacing your keyboard
Allan GuoVoice & Conversational AI Source
Zeon SystemsSan Francisco, CA, USA
AI-powered robotics for scientific lab automation.
Brontë Kolar, Tahir D'MelloRobotics & Manufacturing Source