Technical Systems Testing (TST)<\/strong> was a gaming certification laboratory founded in 1993 and acquired by Gaming Laboratories International (GLI)<\/strong> on May 26, 2010. The TST brand and all logos were phased out in September 2012, and TST is no longer in operation as a standalone certification body. Players still seeing TST seals on older casino footers should verify current certification through the casino’s regulator and the successor GLI Certified Mark<\/a>.<\/p>\n At the time of acquisition, TST was led by CEO Salim L. Adatia and CTO Noah Turner, operating from four lab locations: London, Macau, Manila, and Vancouver. The company had built a reputation across 1993\u20132010 as a leader in interactive gaming testing and wagering system certification.<\/p>\n During its operational period, TST covered the standard gaming testing portfolio: Random Number Generator<\/strong> statistical analysis, game mathematics and Return-to-Player verification, source-code review, interactive gaming systems (online casino platforms and multi-player engines), live dealer table integration, wagering system certification for sportsbook and lottery products, and land-based gaming device audits.<\/p>\n TST was approved as a test lab in pioneering iGaming jurisdictions including Alderney, the Isle of Man, First Cagayan (Philippines), the United Kingdom, and the Canadian provinces of British Columbia and Qu\u00e9bec.<\/p>\n Three broad product categories sat within TST’s historical scope:<\/p>\n On May 26, 2010, GLI Group announced the acquisition of all assets, intellectual property, and trade names of Technical Systems Testing. GLI created a new GLI Interactive B.V.<\/strong> division to absorb TST’s interactive gaming expertise, with Phillip Barow (then GLI Europe Managing Director) becoming the new division’s MD.<\/p>\n TST continued operating under its own brand for roughly 28 months post-acquisition. In June 2011, GLI and “TST, A GLI Company” jointly released GLI-19<\/strong> \u2014 the first global standard for interactive gaming systems.<\/p>\n Per the official GLI Gaming Labs Certified Mark FAQs (Revision 7.0, June 2016)<\/strong>: “Technical Systems Testing (TST) was acquired by GLI therefore all TST marks and logos were phased out in September of 2012.” All TST mark holders were directed to apply for the successor Gaming Labs Certified Mark via gaminglabs.com.<\/p>\n Since September 2012, the GLI Certified Mark (also called Gaming Labs Certified\u00ae<\/strong>) is the active successor to TST’s certification framework. GLI assumes all certificate validity and ongoing surveillance for products previously TST-marked, plus all new certification work.<\/p>\n For casino players, this means any TST seal still displayed on an older casino footer reflects legacy branding<\/strong> rather than current 2026 certification. The active verification path runs through the casino’s license-issuing regulator and the successor Gaming Labs Certified Mark register, not through any standalone TST verification.<\/p>\n TST stands for Technical Systems Testing \u2014 a gaming certification laboratory founded in 1993. The company was acquired by Gaming Laboratories International (GLI) in May 2010 and its brand was phased out in September 2012. TST is no longer in operation as a standalone certification body, though older casino sites may still display legacy TST seals.<\/p>\n<\/div>\nWhat TST Certified (Historical Scope, 1993\u20132012)<\/h2>\n
\n
2010\u20132012 GLI Acquisition and Phase-Out Timeline<\/h2>\n
Where Successor Certification Lives Today<\/h2>\n
Frequently Asked Questions<\/h2>\n
What does TST stand for in online casino certification?<\/h3>\n
Is TST still an active casino certification body in 2026?<\/h3>\n