YC Summer 2021 B2B Startups

180 Y Combinator B2B companies from the Summer 2021 batch — with team size, status, and one-liner for every startup.

Total
180
Active
134
Acquired
23
Shut down
23

Y Combinator's Summer 2021 batch included 180 B2B startups. Of these, 134 remain active, 23 have been acquired, and 23 have shut down.

  • Bytebot (3 people) — Bytebot is the open source container for AI desktop agents.
  • Protego (5 people) — We help companies recover lost revenue from chargebacks
  • Exa (75 people) — Web search rebuilt for LLMs
  • Konta.com (35 people) — Turbotax for México and LATAM
  • MarqVision (200 people) — IP operating software for brands and content companies
  • PaletteHQ (14 people) — Manage sales commissions and sales performance
  • Openlayer (19 people) — The fastest way to ship airtight AI
  • hotglue (13 people) — Native user-facing SaaS integrations for your customers
  • Customily (30 people) — Making it easy to sell personalized products online.
  • Varos (9 people) — AI Business Analysts to gather requirements and optimize processes
  • Archbee (12 people) — TURN STATIC DOCS INTO INSTANT ANSWERS
  • Flow Club (6 people) — Virtual Co-working Community
  • Replo (20 people) — Sell anything
  • FirstQuadrant (2 people) — Sales AI that helps revenue teams move faster and close more deals.
  • Goodkind (30 people) — Student communications platform for higher education
  • Affogato AI (15 people) — Affogato AI — Your Agent for instant TikToks, Reels, and ads.
  • SalaryBook (7 people) — Mobile first solution for Payroll, employee & expense management
  • Zaz OS (9 people) — Lovable for internal products
  • MobileBoost (15 people) — AI native mobile testing.
  • Abbot (5 people) — Your Customer Success Co-Pilot
  • Cartpanda (60 people) — Global online sales platform
  • Dailybot (11 people) — Make all team work visible — people and AI agents
  • Buzzle (3 people) — Automatic voice-of-customer trends & metrics from sales conversations.
  • Verihubs (63 people) — AI-powered Deepfake Detection
  • Secoda (27 people) — Secoda is the AI layer for your Analytics
  • Hilos (5 people) — Close and activate your customers on WhatsApp
  • Pluggy (31 people) — Plaid for Brazil: we allow developers to access users' financial data
  • Zensors (12 people) — AI to understand and automates the physical world
  • Blixo (2 people) — Accounts receivable automation to help companies get paid faster
  • Cero (10 people) — Automated communication between hospitals and patients in Latam
  • Matidor.com (6 people) — Project management on a live map
  • Scispot (16 people) — The Best Data Infrastructure for Biotechs
  • Infiuss Health (4 people) — 2 sided Marketplace for accelerating medical research
  • Mergent (1 people) — Incredibly reliable background task queues and cron jobs
  • Malloc Inc (10 people) — AI-driven mobile cybersecurity
  • ShipBlu (300 people) — Amazon Level Logistics for eCommerce Companies in MENA.
  • Stardex (4 people) — AI native ATS + CRM for executive search firms
  • Zoios. (8 people) — Help start- and scale-ups excel at People, Culture and Performance.
  • Aleph Solutions (Alephee) (60 people) — We help automotive aftermarket brands to supply and sell parts online
  • Aleph (30 people) — One source of truth for financial data.
  • Vinco (35 people) — Retaining employees in LatAm via education
  • Datlo (60 people) — Datlo helps companies increase sales and expand through data
  • Café (10 people) — Your Workplace Engagement Hub
  • Protex AI (5 people) — Computer vision that makes the industrial workplace, safer
  • Hera (3 people) — Calendar app to prepare, join and follow-up on virtual meetings
  • Whaly (3 people) — Whaly is building a self-service analytics platform
  • Infer (9 people) — Operating system for insurance agencies
  • Zuma (50 people) — We help businesses convert leads into sales in minutes using text
  • Advantage Club (220 people) — Global platform for employee engagement with rewards&flexible benefits
  • Vibe Kanban (10 people) — Plan and review AI generated code
  • Echoes HQ (3 people) — Measure and communicate engineering activity
  • Swipe (60 people) — Super AI Accountant for SMBs
  • Bite Ninja (20 people) — Remote labor for restaurants
  • Canopi — API to measure and eliminate carbon emissions
  • Squire.ai (8 people) — Never code alone.
  • Birdie (2 people) — Connect LinkedIn to your CRM to automate and track LinkedIn outreach.
  • Evidence (6 people) — Business intelligence as code
  • Pactima (3 people) — Live video signing for real-time agreements
  • Sitenna (7 people) — Compound B2B SaaS for modern infrastructure to deploy and manage sites
  • Cococart (18 people) — Empowering local businesses to sell online.

Explore related

Loading interactive view…