OnSinch is a Prague-based software company specializing in all-in-one workforce and project management solutions. The platform is designed to help agencies and companies streamline staff scheduling, project planning, payroll, invoicing, and client management, with a particular focus on industries that rely on temporary, flexible, or event-based staffing. OnSinch’s solutions are used by staffing agencies, event organizers, NGOs, and other organizations across various sectors and sizes, offering tailored features for dynamic workforce management.
Founded in 2012, OnSinch was co-founded by David Suslik, who brought his experience from building Shameless, a leading European stagehand company, to address the unique challenges of event industry staffing. Jan Pešek, a Charles University-trained software engineer, leads the development team. Since its inception, OnSinch has grown steadily, now employing around 29 people and serving over 120,000 staff members in 15 countries. The company has scheduled more than 9 million hours of work and continues to expand globally, with recent milestones including entry into markets such as Estonia and the USA.
Advanced staff scheduling and shift management.
Attendance tracking and wage approval.
Automated payroll and invoicing.
Customizable price and wage lists.
Client database and relationship management.
Integrated communications (notifications, messaging, content sharing).
Real-time analytics and reporting.
The company has pursued product expansion through strategic partnerships, such as its collaboration with Festas to enhance the Czech festival market, and by joining industry associations like the Association of Independent Festivals (AIF).
Enhanced geo-located staff clock-in.
Bulk contract assignments.
Streamlined position search and improved contract placeholders.
Support for additional currencies (e.g., Danish crown, Saudi Arabian Riyal).
Improved scheduler navigation, notifications, and API capabilities.
Live attendance dashboard widget and advanced staff filtering.
OnSinch’s culture is rooted in practical industry experience, collaboration, and continuous improvement. The team is described as dedicated, responsive, and passionate about solving real-world workforce management challenges. The company emphasizes customer support, seamless onboarding, and empowering clients to optimize their operations. OnSinch also values social impact, as shown by its support for NGOs and humanitarian projects, such as coordinating volunteers for Ukrainian refugee relief.
OnSinch serves a diverse, international user base, including leading staffing agencies in the Czech Republic, Spain, and the UK. The platform is used by over 120,000 staff members and has managed millions of hours of work. User feedback consistently highlights the platform’s ease of use, comprehensive features, and responsive support. The community extends to nonprofits and volunteer organizations, with special pricing and features to support their missions. OnSinch’s active engagement with clients through webinars, demos, and support channels further strengthens its community ties.
