• 1990 – TNS founded in the US to provide services to the
point-of-sale/payments industry • 1994 –
Initial public offering –
NASDAQ listed • 1995 – TNS' Telecommunications Services division launched • 1996 – International offices launched in the UK, Canada and Ireland and TNS'
Financial Services division launched • 1998 – Acquired
AT&T's Transaction Access Service (USA) • 1999 – Offices opened in Australia, France and Japan. Processing services launched in the UK. Listed on the
NYSE. • 1999 – Acquired by
PSINet for $705 million (US$1.1 Billion (2019)) • 2000 – Office opened in Spain • 2001 – Management, in conjunction with
private equity firm GTCR Golder Rauner LLC, bought back TNS from PSINet • 2002 – Office opened in Italy • 2003 – Acquired
Openet (Italy) and Transpoll Offline (UK) • 2004 – Initial Public Offering – NYSE listing • 2005 – Acquired Connect Ro (Romania) • 2006 – Offices opened in India, Thailand and South Korea. Acquired Comms XL (UK), InfiniRoute Networks Inc. (USA), Sonic Inc. (USA) and JPG Telecom SAS (France) • 2007 – Acquired Dialect Payment Technologies (Australia) • 2008 – Offices opened in Hong Kong and Singapore • 2009 – Acquired
Verisign's Communication Services Group (USA) • 2013 – Office opened in Taiwan. TNS acquired by Siris Capital Group LLC in a
take-private transaction • 2015 – Sells Call Authentication assets to Neustar • 2016 – Received investment led by Koch Equity Development LLC • 2017 – Offices opened in New Zealand and the Philippines • 2018 – Acquired Advam • 2019 – Acquired Link Solutions (Brazil), OpSiSe (France), and R2G (Chicago) • 2021 – Acquired by Koch Equity Development LLC • 2022 – Acquired AGNITY Global, Inc.; First Orion and Hiya joined Neustar and TNS to develop enterprise call authentication standards. • 2023 – Acquired BornTec's managed hosting and colocation business.; Acquired West Highland Support Services. == References ==