YC W25 B2B Companies

This file contains information about all W25 B2B companies from Y Combinator’s Winter 2025 batch.

Company NameLocationDescriptionCategories
FiraSan Francisco, CA, USAAgentic AI analyst for financial research and automationB2B, Finance and Accounting
assistant-uiSan Francisco, CA, USAOpen Source Typescript/React Library for AI ChatB2B, Infrastructure
ArtifactAtlanta, GA, USACursor for hardware design, starting with electrical systemsB2B, Engineering, Product and Design
AxalSan Francisco, CA, USAUntangle Your Legacy MonolithB2B, Engineering, Product and Design
TrainLoopSan Francisco, CA, USAReasoning Fine-TuningB2B, Engineering, Product and Design
TallySan Francisco, CA, USAAI associate for large accounting firmsB2B
SAMMY LabsSan Francisco, CA, USAAutomate onboarding, support & training with AI that mimics your usersB2B
MercuraSan Francisco, CA, USAAI Quoting for distributors and manufacturersB2B, Sales
CedarSan Francisco, CA, USAIn-product AI copilot & for any appB2B, Engineering, Product and Design
Browser UseSan Francisco, CA, USAOpen Source Web AgentsB2B
TamLabsSan Francisco, CA, USATransforming Word into an AI EditorB2B, Productivity
ErgoSan Francisco, CA, USAVertical AI Agents for Sales OperationsB2B, Sales
CopyCatSeattle, WA, USABrowser agents for repetitive business processesB2B, Productivity
PigNot specifiedAn API for automating Windows apps with AIB2B, Infrastructure
BluebookNot specifiedAI for accounting firmsB2B, Finance and Accounting
TensorPoolNot specifiedThe easiest way to use GPUsB2B, Infrastructure
DalusSan Francisco, CA, USAAI-powered design software for mission critical hardwareB2B, Engineering, Product and Design
RoarkSan Francisco, CA, USAObservability and Testing for Voice AIB2B, Analytics
ReboltSan Francisco, CA, USAYour AI restaurant managerB2B
SpottNot specifiedAI-Native Recruitment platformB2B, Recruiting and Talent
WozSan Francisco, CA, USAAI platform enabling anyone to build and scale software businessesB2B
DemeterSan Francisco, CA, USAAI Fund Administration for Private Investment FirmsB2B
WildcardSan Francisco, CA, USAMake APIs work for AI AgentsB2B, Engineering, Product and Design
Optifye.aiSan Francisco, CA, USAAI line optimization for manual assemblyB2B
PinchRemoteVideo conferencing with real-time voice translationB2B, Productivity
MastraRemoteThe Typescript agent framework, by the developers of GatsbyB2B, Engineering, Product and Design
AfterQuerySan Francisco, CA, USAHigh-quality AI starts with high-quality human dataB2B, Infrastructure
FuseAISan Francisco, CA, USAThe world’s first Agentic Sales platformB2B, Sales
Artificial SocietiesSan Francisco, CA, USAWe use AI to simulate large groups of people and how they interactB2B, Analytics
Peppr AISan Francisco, CA, USAThe world’s first AI-powered knowledge capture platformB2B, Engineering, Product and Design
Sennu AISan Francisco, CA, USAAI Sales Agent for Tech Consulting FirmsB2B, Sales
MeshSan Francisco, CA, USAAI bookkeeper for startupsB2B, Finance and Accounting
OutlitSan Francisco, CA, USAAI for Enterprise Deal MakingB2B, Sales
Tire SwingNew York, NY, USAAI for Health Care ComplianceB2B, Legal
Sherpa LabsSan Francisco, CA, USAThe AI Data ScientistB2B, Productivity
Calltree AISan Francisco, CA, USAAI operations analyst for call center workflowsB2B
ExlaNot specifiedBring data center models to the edgeB2B, Engineering, Product and Design
Confident AISan Francisco, CA, USAThe DeepEval LLM Evaluation PlatformB2B, Engineering, Product and Design
RivieraSan Francisco, CA, USAAI Voice Agents for HotelsB2B
VovanaSan Francisco, CA, USAAI recruiter built for frontline hiringB2B, Recruiting and Talent
Agentin AISan Francisco, CA, USAAI Agents to automate Order to CashB2B
ReJotAmsterdam, NH, NetherlandsSync engine to share data across engineering teams in enterprisesB2B, Engineering, Product and Design
General TrajectorySan Francisco, CA, USAReasoning models for roboticsB2B, Supply Chain and Logistics
SolidroadSan Francisco, CA, USAAI agents for sales and support teams, starting with training and QAB2B
TrataSan Francisco, CA, USADatabase of investment research from anonymous hedge fund analystsB2B
SophrisSan Francisco, CA, USAAI Engineer that Validates Circuit Board SchematicsB2B, Engineering, Product and Design
Lucidic AISan Francisco, CA, USAWeights & Biases for AI AgentsB2B
Mundo AISan Francisco, CA, USAHigh Quality Multilingual Training Data for AI ModelsB2B, Infrastructure
G LNKNew York, NY, USASimplifying Collaboration for Healthcare Organizations & ProfessionalsB2B
AthenaHQSan Francisco, CA, USAGet Your Brand Discovered on ChatGPTB2B, Marketing
Lopus AISan Francisco, CA, USAFinding customers who are ready to buy your product — on autopilotB2B, Sales
AugentoSan Francisco, CA, USAImproving Agents through Reinforcement LearningB2B, Engineering, Product and Design
MacadamiaSan Francisco, CA, USAAI Mechanical Engineer that fixes technical issues in complex projectsB2B, Engineering, Product and Design
AsteroidSan Francisco, CA, USAMission Critical Browser Agents at ScaleB2B
GaleSan Francisco, CA, USAStripe Atlas for immigrationB2B
OliveSan Francisco, CA, USABuild internal tools for your database with natural languageB2B, Engineering, Product and Design
hudNot specifiedEvals for Computer Use agentsB2B, Engineering, Product and Design
Cuckoo LabsSan Francisco, CA, USAAI interpreter for global sales, marketing, and salesB2B
OperandSan Francisco, CA, USAAI Consultant for Consumer BrandsB2B, Analytics
GulpSan Francisco, CA, USAReal-Time Self-Improvement for AI AgentsB2B
OkiSan Francisco, CA, USAAI Insights to auto track projects and boost engineering productivityB2B, Engineering, Product and Design
ZeroEntropySan Francisco, CA, USAHigh accuracy search API over unstructured dataB2B, Infrastructure
CardamonSan Francisco, CA, USALaunch regulated products 10X faster by automating compliance with AIB2B, Finance and Accounting
Nuclear SoftwareSan Francisco, CA, USAGitLab for Hard TechB2B, Engineering, Product and Design
TergleSan Francisco, CA, USAAI agents for auditingB2B, Finance and Accounting
AdamSan Francisco, CA, USAAI Powered CAD DesignB2B, Engineering, Product and Design
careCycleSan Mateo, CA, USAVoice AI teams for medicare agenciesB2B
Sift DevSan Francisco, CA, USAYour Logs, Finally FreeB2B, Infrastructure
WeaveSan Francisco, CA, USAAI agents to measure engineering workB2B, Engineering, Product and Design
Caseflood.aiSan Francisco, CA, USAAI admin/operations staff for law firmsB2B, Legal
Tejas AIMumbai, MH, IndiaRisk Decisioning Platform for Indian BanksB2B
Vora AISan Francisco, CA, USAAI agents for hiring teamsB2B, Recruiting and Talent
a0.devSan Francisco, CA, USAWe make apps with AIB2B, Engineering, Product and Design
General AgencySan Francisco, CA, USAAI coworkers that can learn and act just like a humanB2B, Productivity
A1BaseSan Francisco, CA, USATwilio for AI AgentsB2B, Engineering, Product and Design
VerbiflowSan Francisco, CA, USAThe Swiss Army Knife For Your Sales TeamB2B
RocketableSan Francisco, CA, USAThe AI maximalist software holding companyB2B
SublingualSan Francisco, CA, USALLM Observability with zero changes to your codeB2B
ContrarioSan Francisco, CA, USABuilding the world’s 1st AI recruiting agencyB2B, Recruiting and Talent
OvloSan Francisco, CA, USAAI Shopping Assistant for E-commerceB2B, Retail
Truffle AISan Francisco, CA, USAAI Agents that work in any softwareB2B, Engineering, Product and Design
superglueSan Francisco, CA, USAautomated data transformation for APIs and CSVsB2B, Engineering, Product and Design
ConntourTel Aviv-Yafo, Tel Aviv District, IsraelMonitor & search security camera footage with natural languageB2B, Security
PromptlessSan Francisco, CA, USAAutomatic updates for your customer-facing docsB2B, Engineering, Product and Design
SubtraceSan Francisco, CA, USAWireshark for Docker containersB2B, Engineering, Product and Design
awenRemoteWe are rebuilding photoshop with an AI-voice interfaceB2B
GuseNot specifiedAI native spreadsheet to automate any workflowB2B
SubImageSan Francisco, CA, USASoftware that maps your infrastructure. Open core alternative to WizB2B, Security
PraximNot specifiedAI-native email and office file editing on one platformB2B, Productivity
NextByteSan Francisco, CA, USAAI recruiter tuned to identify the best vibe codersB2B, Recruiting and Talent
CasixtySan Francisco, CA, USAPersonalized community engagement on RedditB2B, Marketing
Leaping AISan Francisco, CA, USAVoice AI agents that are human-like and self-improveB2B
VetnioNot specifiedStreamlining admin work for veterinary professionalsB2B, Productivity
TraceSan Francisco, CA, USAVoice AI Customer SupportB2B

Ahmed Hajjaj

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