Venture-Backed Startups

Atropos Health develops a cloud-based platform that generates real-world evidence from electronic health records to inform clinical decision-making and healthcare research. The company enables healthcare institutions, clinicians, and life sciences organizations to rapidly conduct observational studies from patient data for personalized medicine and evidence-based practice.

7 investors

0 investors

ATRX develops reusable space planes that launch from conventional runways using air-breathing propulsion technology, targeting rapid and low-cost access to space compared to traditional vertical-launch rockets.

1 investor

0 investors

0 investors

0 investors

ATS Acoustics manufactures and sells acoustic products including panels, bass traps, baffles, diffusers, and room kits, including custom options, sold factory-direct online. It serves consumers, businesses, architects, and contractors for spaces such as studios, churches, schools, and commercial buildings, with US-based manufacturing.

1 investor

AtScale provides a semantic data platform that helps enterprises establish a unified, trusted source of truth for analytics and AI across cloud platforms and BI tools. The platform enables consistent data governance and definitions for both business intelligence and machine learning workloads.

5 investors

Atsena Therapeutics is a clinical-stage gene therapy company developing treatments for inherited retinal diseases. Its pipeline includes ATSN-201 for X-linked retinoschisis, ATSN-101 for LCA1, and earlier-stage programs for Usher Syndrome 1B and Stargardt disease.

1 investor

0 investors

0 investors

0 investors

ATS Rentals was a camera and lens rental service offering photography and video equipment from brands like Canon, Nikon, Sony, and Leica. The company has been acquired by Lensrentals.com and no longer accepts new orders.

1 investor

Atsumell provides AI-native products and consulting services to transform software development workflows in Japan's IT industry. The company offers a specification editor (Kakusill), partner management platform, and AI agents to restructure the entire value chain of system development from requirements definition through automation.

1 investor

Atta is an AI-powered analysis workspace that enables operations teams, finance, product, and data teams to investigate business questions and perform complex analysis through AI-generated apps and side-by-side scenario modeling. The platform serves use cases including revenue forecasting, churn analysis, pricing simulation, and operational optimization without requiring technical expertise.

1 investor

Attabotics develops warehouse automation and material handling technology that was acquired by LaFayette Systems, a family-owned organization with 30+ years of experience in the sector.

2 investors

Attack Capital is a YC-backed venture builder and AI-focused investment fund that invests in and co-builds early-stage companies using a studio model. The firm targets AI-native businesses across verticals including SaaS, robotics, healthcare, fintech, logistics, and enterprise automation.

1 investor

AttackIQ provides automated red team exercise software that scales security testing across organizations without increasing headcount. The platform enables security teams to automate repetitive penetration testing tasks, verify fixes faster, and focus expert analysts on advanced threat hunting and custom adversary research.

7 investors

Attain provides a digital ordering and inventory management platform for convenience stores to purchase stock from food-service distributors, replacing traditional paper invoices and phone orders.

2 investors

Attane Health provides nutritious groceries and educational resources tailored for people with chronic health conditions. The company combines food access with personalized support to help individuals manage their health through dietary intervention.

4 investors

0 investors

EventUp Planner is a cloud-based event planning and management platform that enables teams to organize, promote, and execute events from registration through post-event analytics. It serves enterprises managing multiple events across virtual, in-person, and hybrid formats with integrated features for ticketing, speaker coordination, agenda building, and attendee engagement.

1 investor

Attendly offers a software platform for managing after school programs, handling registration, attendance tracking, and state and federal compliance reporting. It serves California school districts, charter schools, and county offices of education.

1 investor

Attention provides AI-driven meeting analytics and coaching for sales teams, with direct integration into Microsoft Teams for recording, transcription, and performance analysis of sales conversations.

1 investor