Formstack, LLC

Formstack, LLC is a privately held software-as-a-service (SaaS) company, primarily operating under the brand Intellistack since its official rebranding on June 25, 2025. Headquartered in Fishers, Indiana, U.S., the company was founded in 2006 by Ade Olonoh with a mission to simplify data capture and transform how organizations collect and utilize data. It aims to empower users to digitize processes and automate workflows without requiring coding expertise.

The Intellistack platform, which includes the Formstack product suite, offers a comprehensive range of workplace productivity tools. Key offerings include Formstack Forms for online data collection, Formstack Documents for automated document generation, and Formstack Sign for secure eSignatures. Additionally, the platform features Intellistack Streamline, a no-code, AI-driven process automation solution. These solutions serve diverse market segments such as healthcare, education, finance, marketing, and human resources, enabling businesses to streamline operations and enhance efficiency through seamless integration with various web applications and CRMs, including Salesforce.

Aled Miles was appointed CEO in December 2023, leading the company into its next growth phase. The company received a substantial $425 million growth investment in November 2021 from Silversmith Capital Partners and PSG. Further expanding its market presence, the company acquired forms provider Formsite in December 2023. Despite a significant workforce reduction in May 2023, the company continues to serve over 25,000 organizations worldwide, solidifying its position as a leading provider of no-code workflow automation solutions.