Top Series A companies in Austin

Companies that have closed a Series A - product-market fit confirmed and scaling. Filtered to companies headquartered in Austin.

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Built from a search like: “Top Series A companies in Austin”

Ranked by current headcount across Series A companies headquartered in Austin. Refreshed monthly.

1
Indeed· Austin, Texas, United States
More people get jobs on Indeed than anywhere else. As the world’s #1 job site (Comscore, Total Visits, March 2026), Indeed is a global hiring platform connecting over 685 million Job Seeker Profiles with 3.5 million employers across more than 60 countries. Indeed uses AI and real-time data to match people with relevant opportunities and help employers hire faster. With platforms including Glassdoor and Indeed Flex, Indeed is reshaping how people discover jobs, research companies, and access flexible work. Indeed is a subsidiary of Recruit Holdings, a global leader in HR technology and business solutions dedicated to simplifying hiring and transforming the world of work.**Indeed data (worldwide), job seeker accounts that have a unique, verified email address.
- Series A
- 20.1k employees
- Founded 2004
2
Outlier· Austin, Texas, United States
Outlier is a first-of-its-kind sports betting platform where sports fans can browse, analyze, and execute bets with confidence. http://outlier.bet/techWith Outlier, bettors can cut through the noise and place more informed sports bets by leveraging historic performance stats, digesting relevant trends and insights, tracking line movement, comparing odds across the major sportsbooks, and yes, seamlessly executing their entire betslip on FanDuel, DraftKings, BetMGM, or Caesars, in just two clicks. On Outlier, bettors don’t have to choose between efficient sports betting and data-driven sports betting. And, they don’t have to be experts to make expert picks. Whatever type of bettor you are, you can Find Your Next Bet on Outlier.
- Series A
- 878 employees
- Founded 2019
3
Aspire· Austin, Texas, United States
Aspire is the top end-to-end social commerce platform that leverages your brand’s ambassadors, influencers, affiliates, customers, user-generated content, and social ads to accelerate marketing results across paid, owned, and earned channels. Since 2014, Aspire’s industry-leading software platform, combined with our award-winning Agency Services team, has served household names such as M&Ms, Keurig, Samsung, HelloFresh, Dyson, and many other high-growth ecommerce companies while paying out $100M to creators around the world.Aspire is trusted by Glossier, Coola, Bombas, Newell, Ruggable, and over 400 additional customers. Investors include Hummer Winblad Venture Partners, Pear.vc, and more. For more information, visit www.aspire.io.
- Series A
- 643 employees
- Founded 2014
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4
Apptronik· Austin, Texas, United States
Apptronik is a human-centered robotics company developing AI-powered robots to support humanity in every facet of life. Our humanoid robot, Apollo, is designed to collaborate thoughtfully with humans—initially in critical industries such as manufacturing and logistics, with future applications in healthcare, the home, and beyond. Apollo is the culmination of nearly a decade of development, drawing on Apptronik’s extensive work on 15 previous robots, including NASA’s Valkyrie robot. Apptronik started out of the Human Centered Robotics Lab at the University of Texas at Austin and has more than 350 employees. Learn more at apptronik.com
- Series A
- 504 employees
- Founded 2016
5
Howdy.com· Austin, Texas, United States
Howdy.com connects US companies with elite, AI-enabled tech talent across the Western Hemisphere.We are your on-the-ground operational partner. We go beyond traditional payroll platforms and staffing agencies by managing the infrastructure, logistics, and support required to hire and retain top international talent.What sets us apart: cultural and time zone alignment, seamless communication, in-person community building, and ongoing professional development. The result? A 98% retention rate for companies that hire through Howdy.With transparent pricing, we make it easy to build world-class international engineering teams that move fast.Hire people who make your team stronger. Choose Howdy.
- Series A
- 450 employees
- Founded 2018

6
Tractive· Langholzfeld, Rufling, Wagram, Pasching, Hitzing, Aistental, Thurnharting, Oberösterreich, Austria
Everything we do starts with one simple mission: help cats and dogs live safe, healthy, and happy lives.We develop technology that gives pet parents peace of mind. From smart GPS tracking to activity and vitals monitoring, our products are trusted by millions of pet owners worldwide.Our TeamBehind our technology is an international team of 250+ tech-savvy pet lovers. Together, we bring expertise, innovation, and passion to every product we create – making a real difference for pets and the people who love them. Our ValuesThe way that we work is just as important as what we do. Our values keep us efficient, collaborative, and focused on creating the best products for pets and their humans. How we work together: We put pet parents first, always.We do whatever it takes to make pet parents (and their furry friends) happy. We make things happen.We're a team of do'ers. Every team member has the space and trust to take ownership, step up, and make a real difference. We keep it real. We choose the honest conversation over the easy one. Being real with eachother isn’t just a "nice to have"— it’s how we grow.We keep things efficient. Efficiency is Key. We make decisions based on data, focus on what really matters, and use tools like AI to work smarter.We can-do it. Whatever comes our way, we focus on how we can make it happen—not why we can’t.Our BenefitsJoining the #TrackPack means you'll be able to take advantage of some pretty incredible perks!What you can look forward to:✨ 4-Day Work Week 🏡 Hybrid Setup⏰ Flexible Schedule💙Wellness Bonus🚆 1⁄2-Price Public Transport📚 Online Learning Budget✈️ Relocation Support🌍 International Team🐾 Pawternity LeaveWant to know more? Follow us on LinkedIn to stay connected.
- Series A
- 305 employees
- Founded 2012
7
Mio· Austin, Texas, United States
Mio is a secure middleware that unlocks cross-platform messaging, file sharing, and meeting initiation for enterprise organizations that use Google Workspace and Microsoft 365, Slack, or Zoom Team Chat.Mio is the only native solution that partners with Google to leverage API federation, allowing end users to work with colleagues on different chat platforms. With Mio’s platform interoperability, enterprises around the world can keep employees happy by providing them with a frictionless collaboration experience.Enterprise leaders like Broadcom, G2, Farmers Insurance, DUO, George Washington University, Sutherland, and SAIA trust Mio to bridge their cross-platform teams. Mio was founded by Tom Hadfield and James Cundle in November 2015. Based in Austin, Texas, Mio has raised $12m from investors including Goldcrest Capital, Eniac Ventures, Two Sigma Ventures, Khosla Ventures, Y Combinator and Capital Factory. Mio is an official partner of Google, Cisco, and Zoom.Learn more at https://m.io/.
- Series A
- 291 employees
- Founded 2015
8
Axiom· Austin, Texas, United States
Born from Flex's Cloud and Power Infrastructure segment, Axiom will build the critical digital and electrical infrastructure that enables the world's most important technologies.A digital and electrical infrastructure company built for the next era of computing. From grid to chip, we combine technology, engineering, manufacturing and systems integration capabilities to deliver the infrastructure that powers what’s next.For additional details, visit www.axiomsolutions.com
- Series A
- 284 employees
- Founded 2005
9
CharterUP· Austin, Texas, United States
CharterUP is transforming the $30 billion group transportation industry with cutting-edge technology and innovative SaaS software, delivering an industry-leading experience for both customers and operators.Trusted by most Fortune 500 companies, our platform connects users to thousands of charter bus and minibus operators nationwide. In just 60 seconds, customers can access real-time availability, transparent pricing, and detailed vehicle options—whether organizing a corporate event, a company shuttle, or a wedding.By streamlining what was once a fragmented and stressful process, CharterUP brings transparency, accountability, and efficiency to an industry overdue for innovation.With CharterUP, group transportation is no longer a hassle but an elevated, reliable experience. Join us as we lead the future of group travel.
- Series A
- 280 employees
- Founded 2018
10
Relive· Austin, Texas, United States
Relive has built the platform for the new generation of real estate agents — combining innovative technology with unique social media content.The company has raised $7 million in funding, expanded operations to 6 states across the United States, and grown to over 600 licensed real estate agents as of Q2 2026.Our startup generates millions of monthly organic views and has helped more than 8,000 happy clients buy, sell, or rent their homes — reflected in our 5.0-star rating from over 1,800 Google Reviews.
- Series A
- 279 employees
- Founded 2022

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Find engineers at Series A companies in Austin

Series A companies in Austin are some of the fastest-moving employers in the market. The list above ranks the largest Series A-stage companies headquartered in Austin by current headcount, drawn from public LinkedIn and Crunchbase records. With 266 matching companies in Refolk’s index, the density of senior engineers, designers, and founders is unusually high.

At Series A, teams tend to be small, ambitious, and on the hunt for senior talent. The companies on this list are good signals for where the Austin talent market is heating up - and for which engineers and founders are about to become tomorrow’s operators.

Refolk converts this list into a live search. Ask for “founders of Series A companies in Austin” or “senior engineers at Series A companies in Austin hiring” and Refolk returns a ranked shortlist with evidence behind each match.

How this list is built

Refolk pulled Series A companies headquartered in Austin from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes monthly.

Last refreshed: Tue, 20 Oct 2026 19:37:21 GMT

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The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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