
Sign In App is a UK-based software company specializing in visitor management, employee sign-in, and appointment scheduling solutions. Its platform enables organizations to streamline check-ins, manage compliance, and enhance workplace safety through features like RFID/QR code scanning, badge printing, and real-time tracking. The company operates under the legal name Sign In App Limited, headquartered at 4 Waterside Way, Northampton, England.
Founded in May 2013 under the name All Things Code Limited, the company rebranded to Sign In App in January 2020. Since its inception, it has grown steadily, now employing around 70 staff members. The company has expanded its product offerings and global reach, serving clients in over 50 countries and supporting multiple languages, including Arabic.
Sign In App is a privately held company, backed by private equity. It has undergone at least one major Buyout/LBO financing round. While specific valuation figures are not publicly disclosed, its acquisition activity and product expansion suggest a healthy growth trajectory. The company is part of the Smartspace Software Group, which acquired Sign In App in May 2024.
Sign In App offers a suite of tools designed for modern workplaces:
Sign In App has expanded its capabilities through strategic acquisitions:
Sign In Compliance: Acquired in 2022, focused on network and compliance management
SCR Tracker: A UK-based compliance tool for schools, acquired to strengthen education sector offerings
These acquisitions have allowed Sign In App to evolve from a visitor management tool into a comprehensive workplace operations platform.
Recent innovations include:
These features reflect the company’s commitment to intelligent automation and user-centric design.
Sign In App promotes a culture of innovation, transparency, and customer-centricity. It emphasizes:
The company also values employee well-being, offering remote work options and fostering a collaborative environment.
Sign In App serves a diverse global user base across industries such as:
Its community includes IT managers, HR professionals, and facility teams who rely on the platform for secure, efficient visitor and employee management. The company maintains an active Help Center, offers onboarding support, and engages with users through webinars and product updates.

Sign In App
By Sign In App Inc