Contact Us

Contacting us is easy. Select the method you are most comfortable with, either email, phone or perhaps you’re looking for a specific location at one of our global offices. Whichever you prefer we look forward to hearing from you.

If you are looking to contact the ADVAM team, please click here. 

EMAIL   |   TELEPHONE   |   LOCATION

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Call us

CONTACT PAYMENT SOLUTIONS

Sales USA:

+1 866 523 0661

Customer Support USA:

+1 703 453 8300

TNSPay Mobile Customer Support USA:

+1 800 748 3448

Sales UK & Europe:

+44 (0)114 292 0200

Customer Support UK & Europe:

+44 (0)114 292 0200

Sales France:

+33 (0)1 7236 6321

Sales Asia Pacific:

+61 2 9096 3200

Customer Support Australia:

1800 155 510

Customer Support Australia:

+61 2 9096 3200

Customer Support São Paulo, Brazil:

+11 3230 2892

Customer Support João Pessoa, Brazil:

+83 98829 5412 

Customer Support Hong Kong:

800 906 538

Customer Support Malaysia:

1800 816 653

Customer Support New Zealand:

0800 444706

Customer Support Philippines:

1 800 1  116 0919

Customer Support Sri Lanka:

247 2471

Customer Support Singapore:

+65 6828 1014

Customer Support Taiwan:

00801 14 7048

Customer Support Thailand:

001 800 13 203 2850

CONTACT TELECOMS SOLUTIONS

Sales USA:

+1 703 453 8440

Telecom Support USA:

+1 800 416 3882

Sales UK and Europe:

+44 (0)207 336 1510

General Enquiries UK & Europe:

+44 (0)114 292 0200

General Enquiries Asia Pacific:

+61 2 9096 3200

CONTACT FINANCIAL SOLUTIONS

Sales USA:

+1 703 453 8506

Sales Asia Pacific:

South Korea +82 2 782 3914

Customer Support New Zealand:

0800 444706

24/7 Network Operations Teams:

+1 703 453 8505

Sales UK and Europe:

+44 (0)207 336 1510

Sales Asia Pacific:

India +91 44 4359 7212

Sales Asia Pacific:

Japan +813 6205 4588

24/7 Network Operations Teams:

+44 (0)114 292 0112

Sales Asia Pacific:

Singapore +65 6828 1014

Sales Asia Pacific:

Hong Kong  +852 3 709 4778

24/7 Network Operations Teams:

+61 2 9096 3200

Global Locations

For location details of the appropriate TNS Locations, please click a continent on map below.

Americas

Brazil
Transaction Network Services Brazil
R. Abdias Gomes de Almeida
901-Tambauzinho
João Pessoa - Paraíba
58042-100
Brazil
Phone: +83 3194 1400

Brazil
Transaction Network Services Brazil
Av. Pedroso de Morais,
251 Salas 21,
113, 114 - Pinheiros,
São Paulo
SP, 05419-000
Brazil
Phone: +11 3230 2892

USA
Global HQ
Transaction Network Services Inc.
10740 Parkridge Boulevard, Suite 100
Reston
Virginia 20191
USA
Phone: +1 703 453 8300

USA
Transaction Network Services Inc.
7311 W 132nd Street, Suite 300
Overland Park
Kansas 66213-2633
USA
Phone: +1 913 814 6200

USA
Transaction Network Services Inc.
3000 Bayport Drive, Suite 900
Tampa
Florida 33607
USA
Phone: +1 703 453 8300

USA
Transaction Network Services Inc.
1111 Michigan Ave
STE 202
East Lansing, MI 48823
USA
Phone: +1 517 336 1800

USA
Transaction Network Services Inc.
606 Columbia Street NW, Suite 200
Olympia
Washington, 98501
USA
Phone: +1 360 493 6000

USA
Cequint
1011 Western Avenue, Suite 800
Seattle
Washington 98104
USA
Phone: +1 206 264 1909

USA
Cequint
100 W Cypress Creek Road, Suite 820
Fort Lauderdale
Florida 33309
USA
Phone: +1 206 264 1909

USA
Transaction Network Services Inc.
401 Park Ave S
New York,
NY 10016
USA
Phone: +1 703 453 8300

Asia Pacific

Sri Lanka
Transaction Network Services

Phone: 247 2471

Australia
ADVAM (Australia) A TNS Company
Level 2/26
Franklin Street
Adelaide
SA 5000
Australia
Phone: +1300 130 778

Australia
Transaction Network Services Australia Pty Ltd
Level 10 Angel Place
123 Pitt Street
Sydney
NSW 2000
Australia
Phone: +1800 155 510
Phone: +61 2 9959 0800

Hong Kong
Transaction Network Services HK Pte Ltd
Unit 46-122, 46/F
Lee Garden One
33 Hysan Avenue
Causeway Bay
Hong Kong
Phone: PSD +852 3701 4800
Phone: FSD +852 3 709 4778
Phone: 800 906 538

India
Transaction Network Services
Suite C-12A/14, 3rd Floor
Commerce Center Building
78 Tardeo Road
Mumbai 400 034
India
Phone: +91 22 7127 9244
Phone: 000 800 100 3771

Japan
Transaction Network Services Japan K.K
Toranomon Kotohira Tower 16F
1-2-8 Toranomon
Minato-ku
Tokyo 105-0001
Japan
Phone: +81 3 6205 4580
Phone: 0800 222 1130

Malaysia
Transaction Network Services
L4-I-5, Level 4
Enterprise 4
Technology Park Malaysia
Bukit Jalil, Kuala Lumpur
57000
Malaysia
Phone: +603 9767 1710
Phone: 1800 816 653

New Zealand
Transaction Network Services
Level 3
Kauri Timber Building
104 Fanshawe Street
Auckland
1010
Phone: +021 2888 074
Phone: 0800 444 706

Philippines
Transaction Network Services
7th floor
The Ascott Makati
1224 East Street
Makati
Metro Manila
1224
Philippines
Phone: +63 32 234 6310
Phone: 1800 1116 0919

South Korea
Transaction Network Services LLC
#2208-501 Xi Officetel
Yeouidong-ro 3 gil 10
Yeongdeungpo-gu
Seoul 07324
Phone: 070 4732 5825

Fax: +82 2 782 3916
Singapore
Transaction Network Services SG Pte Ltd
Level 30 South Beach Tower
38 Beach Road
Singapore 189767
Phone: +65 6828 1014
Phone: 800 852 3068

Fax: +65 6828 1177
Taiwan
Transaction Network Services Ltd
11 Fl., No. 281
Section 4, SingYi Road, Da’An District
Taipei, 106
Taiwan
Phone: +886 2 7743 0889
Phone: 00801 14 7048

Thailand
Transaction Network Services (Thailand) Co. Ltd
20-105, T-One Building 20th fl
8, Sukhumvit 40
Phra Khanong, Khlong Toei
10110 Bangkok
Thailand
Phone: +66 60 0035394
Phone: 001 800 13 203 2850

Fax: +662 610 3601

Europe

France
Transaction Network Services S.A.S
1 Rue Saint Georges
5th Floor
75009 Paris
France
Phone: +33 (0)1 7236 6321

Germany
Transaction Network Services GmbH
Martin-Behaim-Str. 12
D-63263 Neu-Isenburg
Germany
Phone: +49 6102 798 4900

Ireland
Transaction Network Services Ireland Ltd
Suite 2, Third Floor
23 Shelbourne Road
Ballsbridge
D04 PY68, Dublin 4
Ireland
Phone: +353 1 865 9200

Italy
Transaction Network Services S.r.l
Via Pergolesi, 2A
20124 Milano
Italy
Phone: +39 02 4812 253

Italy
Transaction Network Services S.r.l
Viale Masini, 42
40126 Bologna
Italy
Phone: +39 051 4211 751

Spain
Transaction Network Services S.A.U.
Via de las Dos Castillas 33
Atica Edificio 6
Planta 3
28224 Pozuelo de Alarcon
Madrid
Phone: +34 91 799 1670

UK
Transaction Network Services (UK) Ltd
5 Europa View
Sheffield Business Park
Sheffield
S9 1XH
UK
Phone: +44 (0)114 292 0200

UK
Transaction Network Services (UK) Ltd
Orion House
Bessemer Road
Welwyn Garden City
Hertfordshire
AL7 1HH
UK
Phone: +44 (0)1707 362 200

UK
ADVAM (UK) A TNS Company
Fairbairn House, 72 Sackville St, Manchester M1 3NJ, UK
Phone: +0330 016 0337

UK – Financial Services Division
Transaction Network Services (UK) Ltd
4th Floor
80 Clerkenwell Road
London
EC1M 5RJ
UK

Phone: +44 (0)207 336 1510