The following organizations have in the past been successfully assessed by an accredited Assessment Service Provider and were certified by the TMMi Foundation. However, meanwhile their formal certification has expired.

BCA Group (IT) - United Kingdom
Certificate: HWSA-553904-141124-5280300672
Provider: Experimentus Ltd
CTBC Bank Co. Ltd. Taiwan (TcoE) - China
Certificate: RNXL-793559-170426-5366801299
Provider: Junyu Consulting Co. Ltd
ITSTAR Co., LTD. (Development & Operation Division) - South Korea
Certificate: YNXJ-678600-140225-3579700538
Provider: STA Consulting Inc
Onycom Inc (QA, ICT Solution, IT Service Division) - South Korea
Certificate: KWNW-687277-151211-2199000957
Provider: STA Consulting Inc
Vanquis Bank (IT Testing) - United Kingdom
Certificate: HWSA-553904-160728-1650301167
Provider: Experimentus Ltd

Axpe Consulting (None indicated) - Spain
Certificate: FRNS-671388-160229-0804400985
Provider: Experimentus Ltd
Bank of Communications Co., Ltd. (Test Center) - China
Certificate: RNXL-793559-161216-4488101251
Provider: Unis Huashan Technologies Co. Ltd
Brooks Macdonald (ICT) - United Kingdom
Certificate: HWSA-553904-160610-1653301042
Provider: Experimentus Ltd
China Merchants Bank Co., Ltd (Test Center of Information & Technology Dept.) - China
Certificate: RNXL-793559-160930-1746501199
Provider: Unis Huashan Technologies Co. Ltd
EVRY (Finance and Services) - Norway
Certificate: LSNK-642711-140430-4222500558
Provider: SoftwareTest.dk
LIG Nex1 (Research & Development Division) - South Korea
Certificate: KWNW-687277-150313-0110300777
Provider: STA Consulting Inc
MDP Consulting SAC (Testing Factory de MDP Consulting SAC) - Peru
Certificate: WLLB-556857-170401-2478701287
Provider: Metodos y Tecnologia de Sistemas y Procesos S.L.
Mesiniaga (Quality Assurance) - Malaysia
Certificate: HWSA-553904-160322-6246600997
Provider: Experimentus Ltd
MTP Brazil - Brazil
Certificate: WLLB-556857-150706-0254500834
Provider: Metodos y Tecnologia de Sistemas y Procesos S.L.
Shanghai Pudong Development Bank Co., Ltd (Test Center Information & Technology Dept.) - China
Certificate: ZHXH-825403-160328-2104801007
Provider: China Hewlett-Packard Enterprise Group
Sopra Steria (France) (Test Service Centre) - France
Certificate: HWSA-553904-151127-0668500923
Provider: Experimentus Ltd
Transport for London (IM Testing Services / IM Assurance and Acceptance) - United Kingdom
Certificate: MRXT-721386-141028-0450300638
Provider: Experimentus Ltd

Deutsche Bank (GTO/ISTS/QA&Testing/GTFS) - Germany
Certificate: RSKM-746669-151030-6231300888
Provider: Accenture GmbH
J Sainsbury plc (Digital & Technology Testing & Environment Services) - United Kingdom
Certificate: FRNS-671388-160520-5909601021
Provider: Experimentus Ltd
Luxoft (Financial Services) - Poland
Certificate: FRNS-671388-160927-5465301174
Provider: Experimentus Ltd

HPIT TCoE (Shanghai) (TCoE) - China
Certificate: BTSC-570600-150130-3731600721
Provider: Experimentus Ltd
IGT Solutions Pvt. Ltd (Software Testing Services & Consultancy) - India
Certificate: HWSA-553904-141031-6242400627
Provider: Experimentus Ltd
Valores Corporativos Softtek SA DE CV (QA and Validation Practice) - Mexico
Certificate: HWSA-553904-161217-4545801221
Provider: Experimentus Ltd
Virgin Media (Virgin Media Test Service and Accenture) - United Kingdom
Certificate: BTSC-570600-150915-1999300853
Provider: Experimentus Ltd
Wipro Limited (Testing Services: Banking, Securities & Capital Market and Insurance) - India
Certificate: HWSA-553904-141021-0025400616
Provider: Experimentus Ltd