Core Insights - Riverside Company has signed a definitive agreement to sell its CertaSite platform, a commercial fire protection and life safety company, to APi Group, with the transaction expected to close in Q1 2026, pending regulatory approvals [1] Company Overview - CertaSite focuses on partnerships and professionalism, providing simplified and dependable solutions for managing fire protection and life safety systems in commercial buildings [2] - Under Riverside's seven-year ownership, CertaSite completed 27 strategic add-on investments in the fire protection and life safety industry [2] Growth and Development - Riverside and CertaSite achieved significant growth, expanding from four offices in Northeast Ohio and Pennsylvania to 17 facilities across eight states, and increasing the technician count from 24 to over 250 [3] - The partnership emphasized talent development and training opportunities, building a best-in-class management team [3] Future Prospects - CertaSite's CEO expressed gratitude for Riverside's support and is optimistic about future growth under APi's leadership [4] - Riverside's focus on Testing, Inspection, Certification & Compliance (TICC), Business Services, and Fire & Life Safety (FLS) is underscored by this transaction, marking a significant milestone in their investment strategy [4]