SaaS Startups funded by Y Combinator (YC) in Austin 2025

Mio powers seamless communication between Slack, Microsoft Teams & Webex Teams. The Austin, Texas-based company was founded by Tom Hadfield and James Cundle in November 2015. M.io has raised $12m from investors including Goldcrest Capital, Eniac Ventures, Two Sigma Ventures, Khosla Ventures, Y Combinator and Capital Factory. Ready to sync your teams? Learn more and get started at https://m.io/

Virtually everything in the military requires a plan—from everyday operations to war-time missions. With a rigorous process, many stakeholders, and rudimentary software (PowerPoint!!), planning is very slow. Onebrief is a collaborative software designed to make military planning fast. It turns every input into reusable building blocks and automatically keeps all planning artifacts in sync.

Biodock's cloud platform accelerates microscopy analysis, automating months of microscopy analysis and infrastructure to minutes with our end-to-end AI architecture. Scientists enjoy auto-scaling storage, GPU compute, and 30-50% more accurate analysis. We're building an amazing experience to translate microscopy images to therapeutic insights for academic and enterprise scientists.

Unlock your trading superpowers wtih HyperTrader. As traders, we reimagined the ultimate trading experience for you. HyperTrader is fast, efficient, accurate, and secure. ✔️ Streamline your workflow with fewer clicks. ✔️ Speed up your trading with fast execution. ✔️ Stay informed with real-time position updates. ✔️ Trade safe with secure encryption.

NearWave makes a handheld imaging device that helps physicians select the right therapy for their breast cancer patients. This prevents patients from suffering through months of side effects caused by unsuccessful treatments.

US hospitals and clinics are losing $125B every year due to delayed and inaccurate medical coding. Arintra is solving this problem by automating medical coding using AI and clinical NLP. Arintra converts a patient chart instantly into insurance claims with 96% accurate medical codes and zero human intervention. Arintra has processed more than 1.63 million claims this year across its 20+ provider clients that includes health systems and large physician groups. Through automation of these charts, Arintra has reduced undercoding by 11% and coding-related claim denials by 43%. Arintra is headquartered in Austin, Texas. Arintra is bi-directionally integrated with leading EHRs including Epic, Cerner, etc. to process patient charts directly from the EHR to create a direct-to-billing claim. This direct-to-billing claim includes precise E/M levels, CPT, ICD-10, HCC, HCPCS codes with appropriate modifiers and units. Both founders have PhDs in AI, significant ML and NLP experience, 60+ patents and publications, and a combined 20+ years of experience working at B2B companies and startups in Silicon Valley.

Cardinal is an opinionated feature backlog. It pulls in your customer feedback, CRM data, and task management issues and uses AI to assess which customers want which features, how important is it for them, and how much are they worth

Hoss is a developer experience platform that gives teams the essential tools they need to deliver a world-class customer experience. API-driven companies like Xendit, AssemblyAI, and Zentail trust Hoss to help them better acquire, understand, and support their customers. With Hoss, teams can offer superior documentation and developer content, gain deep visibility into how customers are using their API, monitoring third-party APIs, and provide robust and customizable developer dashboards. Hoss is backed by top investors like Y Combinator, Liquid2, FundersClub, and Soma Capital.