Top 100 YC Companies by

Number of company employees identified by Clearbit, from LinkedIn and other sources. Source: Clearbit.

Chart Employees for All Companies Chart Employees vs. Other Metrics
Rank Name Batch Category Description Employees
1 500Friends W10 Other SaaS the best loyalty and retention marketing partner for CMOs. 6,800
2 Airbnb W09 Consumer Sharing economy. 6,100
3 Dropbox S07 Other SaaS Backup and share files in the cloud. 2,980
4 Instacart S12 Consumer Groceries delivered fast. 2,660
5 URX S13 Dev Tools Mobile ads that users like. Acquired by Pinterest in May 2016. 2,500
6 Framed Data W14 Other SaaS Predicted churn for enterprises. Acquired by Square in March 2016. 2,000
7 Rappi W16 Consumer Rappi delivers in minutes groceries, cash, clothing, burgers and more. Everything in Bogotá and Mexico delivered for under 1 dollar. Hyper local, Hyper fast. 1,850
8 BloomThat S13 Consumer Uber for Flowers. 1,670
9 1000Memories S10 Consumer Memorial sites. 1,342
10 Cruise W14 Transport Self-driving cars. 1,240
11 Carlypso S14 Consumer Used car marketplace 1,180
12 Stripe S09 Fintech Online payments. 1,100
13 Machine Zone W08 Entertainment Mobile games 1,000
14 Twitch W07 Entertainment Video game live streaming 1,000
15 Wufoo W06 Other SaaS Online form builder. 950
16 Flexport W14 Other SaaS Flexport's mission is to make global trade easier for everybody. We are connecting humanity in a seamless web of global trade with our unique blend of software, human expertise, and physical infrastructure. 950
17 DoorDash S13 Consumer Restaurant delivery. 850
18 ShapeScale S15 Consumer ShapeScale is a personal 3D scanner and fitness tracker that digitizes your body in photorealistic 3D. Visualize on your phone where exactly you gain muscle or lose mass. Now on pre-order on shapescale.com! 👍 #fitness #health #hardware #IoT 840
19 Coinbase S12 Blockchain Buy and sell digital currency 🚀 🌑 830
20 Gusto W12 Other SaaS Humans aren’t resources. Gusto reimagines payroll, benefits, and HR by automating the most complicated, impersonal business tasks and making them simple and delightful. Get three months free @ https://gusto.com/friends/y-combinator 780
21 Teespring W13 Consumer Retail quality products on-demand. Teespring is a platform that enables anyone to create and sell unique apparel and items that people love, with no cost or risk. 690
22 Zenefits W13 Other SaaS HR for small businesses: onboarding, payroll and benefits. 680
23 Reddit S05 Entertainment The frontpage of the internet 670
24 Embedly W10 Dev Tools Embedly helps publishers and consumers manage embed codes from more than hundred websites and APIs. 600
25 Insight Data Science W11 Education Turning PhDs & engineers into data scientists & data engineers 590
26 Tilt W12 Fintech Mobile crowdfunding: The easiest way to collect, fundraise, and sell with your community. 508
27 Docker S10 Other SaaS App store for server configurations. 500
28 PlanGrid W12 Real Estate We build mobile applications for the construction industry 500
29 Ready For Zero S10 Fintech Help people get out of debt. Simplified personal debt and credit management. Acquired by Avant in 2015. 468
30 Optimizely W10 Dev Tools A/B testing. 455
31 ShipBob S14 Other SaaS Providing Amazon level logistics to e-commerce businesses. 450
32 PagerDuty S10 Dev Tools Notify you about server troubles. 440
33 Unbabel W14 Other SaaS AI Powered Translation as a Service 400
34 GitLab W15 Dev Tools Git repository management, code reviews, issue tracking, issue boards, activity feeds, wikis and continuous integration. Community driven with more than 1000 contributors. 400
35 HackerRank S11 Other SaaS Programmer IQ 390
36 AirHelp W14 Consumer AirHelp helps air passengers get compensation for delayed, cancelled and overbooked flights. Proud to be hated by the world's leading airlines! 390
37 Heyzap W09 Entertainment Heyzap (acquired by Fyber for $45m in 2016) is one of the largest mobile mediation providers. 380
38 Podium W16 Other SaaS Collect and manage real-time online reviews and customer feedback 350
39 Fivestars W11 Other SaaS Marketing automation for small businesses. 330
40 Mixpanel S09 Other SaaS Mixpanel is the most advanced analytics platform in the world for mobile & web. 330
41 Verbling S11 Education Language learning through video chat. 320
42 Mason W16 Industrial Mason is infrastructure for mobile deployment. Build your own Android device and operating system without a hardware team or modifying source code. 320
43 Weebly W07 Other SaaS Web site editing platform. Over 40M people have launched their business on Weebly and every month 325M people visit a Weebly-made site, or 50% of the US. 320
44 Amplitude W12 Other SaaS Product Analytics 300
45 ACLU W17 Nonprofit Defender of rights and liberties 300
46 Algolia W14 Dev Tools With 50 data centers in 15 regions, Algolia offers a developer-friendly and enterprise-grade search API. Designed to make every search interaction meaningful and rewarding, Algolia serves billions of queries weekly for more than 5,000 customers. 300
47 Memebox W14 Consumer Full Stack Beauty Ecommerce 280
48 Zeus S11 Real Estate Tech-enabled property manager focused on corporate rentals 280
49 WePay S09 Fintech Payments for platform businesses. 280
50 The Athletic S16 Entertainment Subscription sports media. 280
51 FileStack S12 Other SaaS Acquired by Xenon Ventures. We enable website developers to hook into various online content sources (Dropbox, Facebook, Github, Gmail, et. al) with a single line of javascript. Thinking of dealing with files or Oauth? Talk to us first. 270
52 Presto S10 Other SaaS Tablets on restaurant tables, so guests can order, pay and play games from their seat without waiting 270
53 uBiome S14 Healthcare Using Big Data and crowdscience to unlock the secrets of the human microbiome 260
54 Tech in Asia W15 Entertainment Tech in Asia is a media, events, and jobs platform for Asia’s tech communities. 260
55 Checkr S14 Other SaaS Checkr’s mission is to build a fairer future by improving the understanding of the past. We're modernizing how background checks are done. 260
56 Seed W15 Fintech Mobile banking for small business. 260
57 Vidyard S11 Other SaaS YouTube for business. 250
58 Lever S12 Other SaaS Lever is an Applicant Tracking System + Talent CRM. It effortlessly fits the hiring needs of companies today. 250
59 GoCardless S11 Fintech Replace credit cards online. 250
60 Chariot W15 Consumer The world's first private mass transit service providing a commuting experience that's faster, more reliable and more comfortable than public transit, while more affordable than ridesharing and driving. #commutesolved 250
61 Heroku W08 Other SaaS Heroku is a multi-language cloud application platform that enables developers to deploy, scale, and manage their applications. 250
62 Gigster S15 Dev Tools Gigster does software development & design on demand. Submit a project & get a quote in minutes for any app or website. We assemble a US-based team and manage your entire project. Top talent from MIT, Stanford Caltech, Google, Facebook. 240
63 GO1 S15 Other SaaS A marketplace of onboarding, compliance and professional development training for your staff. 240
64 Codecademy S11 Education Codecademy teaches the world the skills they need to get the jobs they want. 230
65 iCracked W12 Consumer On-demand smartphone repair in 3 countries and launching smart home installation. Think of us like a white labeled Geek Squad for retailers, Insurance Co's, and Telco's. 220
66 LendUp W12 Fintech LendUp is a socially responsible company on a mission to redefine financial services for the emerging middle class. LendUp builds loans and credit cards paired with educational experiences to help people save money and improve their financial health. 220
67 Weave W14 Other SaaS Patient / Doctor communication. 210
68 MatterPort W12 Entertainment Turn physical objects and environments into 3D models in seconds. 210
69 Rainforest S12 Dev Tools Dead simple testing. The fastest, easiest way to test your website. Say no to manual QA! 200
70 Airware W13 Aerospace Airware provides end-to-end solutions that enable enterprises to digitize their business and turn aerial data into actionable business intelligence. 200
71 Bannerman S14 Other SaaS Providing Security Guards for Every Business 200
72 ClearTax S14 Fintech Intuit of India. 200
73 The Muse W12 Other SaaS The Muse is the ultimate career destination offering exciting job opportunities, expert advice, and a peek behind the scenes into fantastic companies and career paths. 190
74 7cups S13 Healthcare 7 Cups is an emotional support service that matches up people that need support with active listeners and therapists. 190
75 Scribd S06 Entertainment World's largest online library. 190
76 Clever S12 Education Developing applications for education is a data nightmare. Clever's APIs make building on top of student data easy for developers. 190
77 WayUp W15 Marketplace for college students and recent graduates to find and apply for jobs and internships. 190
78 Fullstack Academy S12 Education Immersive, effective, efficient code education. 190
79 Zapier S12 Other SaaS Zapier connects hundreds of SaaS apps with customizable workflows via an easy to use editor. 180
80 Front S14 Other SaaS Collaborative Inbox for Companies 180
81 Sift Science S11 Other SaaS We help thousands of online businesses fight fraud (chargebacks, fake accounts, spam, account takeover, etc.) with real-time machine learning. 180
82 GOAT W11 Consumer Sneaker Marketplace 180
83 Oh My Green S16 Other SaaS We make employees healthy, happy, productive, and retain better through snacks, beverages, catering, and more. 180
84 Segment S11 Other SaaS Segment is the analytics infrastructure that helps collect and organize data so businesses make better decisions. 180
85 Genius S11 Entertainment Crowd-sourced explanations of song lyrics 180
86 ZeroCater W11 Other SaaS ZeroCater is the #1 way companies provide family-style meals for their employees. 180
87 MessageBird S16 Dev Tools MessageBird is an API for sending Text, Voice & Chat messages. We offer the most advanced messaging API, packed with features and customizable parameters for high-volume and demanding message senders. 170
88 Remix W15 Government Helping today’s cities design their transportation future 170
89 Creative Market W10 Dev Tools Marketplace for ready-to-use design assets from independent creators around the world. Acquired by Autodesk in February 2014. Spun out again in July 2017. 170
90 EquipmentShare W15 Real Estate EquipmentShare is a better way to rent equipment. Offering the newest fleet, 24/7 on-demand service and built-in telematics. 160
91 Plivo S12 Dev Tools APIs for Voice calls and SMS 160
92 EasyPost S13 Other SaaS Shipping API 160
93 MemSQL W11 Other SaaS ANSI SQL-compliant, distributed, in-memory database for real-time analytics 150
94 Kalibrr W13 Other SaaS Kalibrr matches people to jobs on the basis of interests, experience and skills and we operate talent marketplaces in Southeast Asia. 140
95 Razorpay W15 Fintech A modern online payment gateway for India 140
96 Bright W15 Resources SolarCity for developing world 140
97 inDinero S10 Other SaaS Financial dashboard for businesses. 140
98 Ridecell W12 Transport Ridecell is the leading SaaS operating system to launch, operate, and scale autonomous and new mobility services including carsharing, counterless rentals, ridesharing, and autonomous services. 140
99 9gag S12 Entertainment Make the world happier. 140
100 Magic W15 Consumer Upgrade your life with a 24/7 personal assistant 140