Top Charleston, SC Startups (10,000+)

Adyen (ADYEN:AMS) is the financial technology platform of choice for leading companies. By providing end-to-end payments capabilities, data-driven insights, and financial products in a single global solution, Adyen helps businesses achieve their ambitions faster. With offices around the world, Adyen works with the likes of Meta, Uber, H&M, eBay, and Microsoft.

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency,...

Our technology makes it easy for companies—from fast-growing startups to global fintechs—to integrate stablecoins into their products, platforms, and payment flows. Whether they’re launching a credit card program, enabling cross-border payments, or embedding wallets, Rain builds the tools to do it fast, flexibly, and compliantly. We’re built for the next generation of global finance. Our infrastructure combines the stability of trusted...

Toast is the all-in-one platform built for restaurants of all sizes. Toast provides a single platform of software as a service (SaaS) products and financial technology solutions that give restaurants everything they need to run their business, including point of sale, payments, supplier management, digital ordering and delivery, marketing and loyalty, and team management. By serving as the restaurant operating...

As the world’s largest asset manager, BlackRock partners with investors around the globe to help them (and those on whose behalf they invest) plan for life’s most important goals – like retirement, home ownership and their children’s education. Our clients range from governments, foundations and other large institutions to those investing on behalf of individuals, including firefighters, nurses, teachers and...

At WHOOP, we’re on a mission to unlock human performance. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device and performance optimization platform has been adopted by many of the world's greatest athletes and consumers alike.

Striveworks helps organizations get the most out of their investment in artificial intelligence. Our proprietary technology allows organizations to rapidly build, launch, and maintain AI models—in hours, not months. Users can deploy them in one click and keep them working even when the world changes around them. Striveworks delivers trustworthy AI-powered analysis by creating models that “learn” and stay ahead...

Securing The Freedom of Operations Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic technologies, propulsion systems, and infrastructure for the nation’s most critical missions. With more than three decades of heritage and a record of flight-proven success in space, Sierra Space is trusted by U.S. National Security, Civil customers, and global...

We help get students to their destinations, safely and on time. Our technology connects school partners to a network of highly vetted drivers with small vehicles and wheelchair-accessible vehicles, complementing the yellow bus, filling in gaps, and enabling schools to support student transportation needs. Our partnerships with school districts, child welfare agencies and nonprofits ensure equitable educational access for our most...

Nisos is a human risk intelligence and managed investigations company that protects organizations and their people from human-driven and digital threats by operating as an extension of their security, intelligence, and legal teams. It leverages a team of expert analysts, specialized in open-source intelligence and adversary tradecraft, to provide actionable intelligence that addresses complex risks like executive threats, insider fraud,...

By providing one unified platform where FI's can manage the end-to-end customer journey, Narmi securely drives primacy, customer growth, and efficiency. We unlock the very latest solutions in account opening and digital banking to allow our customers to reach their goals. Since our founding, Narmi has moved billions of dollars and opened hundreds of thousands of accounts for banks and...

firsthand is transforming the way individuals living with Serious Mental Illness (SMI) receive care. We are focused on delivering real outcomes for a cohort that has historically been underserved, stigmatized, and deprioritized. By building a service focused on whole-person care, firsthand aims to find, establish a trusting relationship with, and support quality care for individuals living with complex experiences of...

Sortly is the simplest inventory platform for business and teams to stay on top of their stuff. Our visual system enables business to easily track what they have, where it is, and who has it. Anytime, anywhere, on any desktop, tablet or mobile device. Sortly is trusted by tens of 1000’s of small businesses and teams at large enterprises including HP, Honeywell,...

Our mission is to provide manufacturers and other industrial sectors with insights into the health of machines, processes, and operations to transform how people work and what they can create. A pioneer in Machine Health and Process Health solutions, we use purpose-built AI, trained by industry experts and the world’s largest data library, to help customers eliminate production downtime, improve...

Mission Cloud Services is a leading AWS Premier Tier Services Partner and Cloud Managed Services Provider. Through its dedicated team of expert cloud operations professionals, cloud analysts, and solutions architects, Mission delivers a comprehensive and differentiated suite of agile cloud services designed to help businesses migrate, manage, modernize and optimize their AWS cloud environments, facilitating continuous improvement and delivery across...

Worksmith is a software-enabled marketplace connecting commercial tenants and property owners/managers with qualified local service providers for repairs, maintenance, cleaning and creative services. We currently serve over 5,000 locations for leading brands like Burberry, Nespresso, Faherty Brand, Tiffany & Co., Pandora, Lovisa and Louis Vuitton. As of June 30th, Worksmith acquired Progress Retail, a leading retail operations and learning platform delivering...

Our all-in-one rental ecosystem establishes airtight trust between property managers and residents, unlocking a fast and fair experience for all. We build advanced tools and intuitive experiences to serve all sides of the rental equation: helping property managers grow their communities safely, and simplifying the path home for renters all across the US.

At Freed, we’re on a mission to give clinicians their time back - because healthcare professionals should be caring for patients, not drowning in paperwork. Every year, doctors and clinicians spend thousands of hours documenting care. That’s time lost to late nights, burnout, and administrative overload. Freed is changing that. We’ve built a powerful, AI-driven medical scribe that listens in on...

Zynga was founded in 2007 with the vision that play would become one of the core activities on the Internet. We pioneered social games with the belief that if we could make games simple, accessible and social the world would start playing. We are excited that games have grown to become the second most popular activity by time spent, even...

Together, we've turn ambition into action. For more than three decades, Citadel has captured undiscovered market opportunities in markets around the world by empowering extraordinary people to pursue their best and boldest ideas. We strive to identify the highest and best uses of capital to generate superior long-term returns for the world’s preeminent public and private institutions.