Financial Services · Commerce
TNS offices and sites
TNS has 24 sites in 12 countries; 24 sites have open roles now. The busiest is Sheffield. The head office is in Reston.
Data updated Nov 15, 2026 · Back to the company report
24Sites
12Countries
24Hiring offices
84Open roles
Every site
| Site | Country | Type | Open roles | Roles in 90 days | Hires most for | Engineering | Seen since |
|---|---|---|---|---|---|---|---|
| Reston | United States | Headquarters | 6 | 9 | Support, AI/ML, Sales | 17% | Nov 2025 |
| Sheffield | United Kingdom | Regional office | 10 | 11 | Networking, Support, AI/ML | 30% | Sep 2025 |
| New York | United States | Regional office | 8 | 12 | Support, AI/ML, Security | 38% | Nov 2025 |
| Bengaluru | India | Engineering / R&D | 8 | 7 | Backend, DevOps, Data Science | 100% | Apr 2026 |
| Washington | United States | Regional office | 7 | 10 | Support, AI/ML, Security | 43% | Nov 2025 |
| João Pessoa | Brazil | Regional office | 7 | 9 | Support, Analytics, Sales | 14% | Aug 2026 |
| Noida | India | Engineering / R&D | 7 | 4 | Backend, DevOps, QA | 86% | Nov 2023 |
| London | United Kingdom | Support & operations | 6 | 5 | Support, Networking, Finance | 17% | Sep 2025 |
| Kuala Lumpur | Malaysia | Support & operations | 5 | 4 | DevOps, Support, Management | 40% | Jun 2026 |
| Budapest | Hungary | Engineering / R&D | 4 | 4 | Backend, DevOps, Product | 75% | Jun 2026 |
| Madrid | Spain | Regional office | 2 | 2 | Administrative, Management | 0% | Sep 2026 |
| Milan | Italy | Regional office | 2 | 2 | Management, Solutions | 0% | Sep 2026 |
| São Paulo | Brazil | Not classified | 1 | 2 | Analytics | 100% | Aug 2026 |
| Sydney | Australia | Not classified | 1 | 2 | Support | 0% | Sep 2026 |
| Dublin | Ireland | Regional office | 1 | 2 | Operations | 0% | Aug 2026 |
| Adelaide | Australia | Not classified | 1 | 2 | Support | 0% | Sep 2026 |
| Overland Park | United States | Not classified | 1 | 2 | Support | 0% | Aug 2026 |
| Manchester | United States | Not classified | 1 | 2 | Support | 0% | Aug 2026 |
| Manchester | United Kingdom | Not classified | 1 | 1 | Operations | 0% | Oct 2026 |
| Seattle | United States | Not classified | 1 | 1 | Support | 0% | Oct 2026 |
| Wichita | United States | Not classified | 1 | 1 | Support | 0% | Oct 2026 |
| Columbia | United States | Not classified | 1 | 1 | Support | 0% | Oct 2026 |
| Łódź | Poland | Not classified | 1 | 0 | QA | 100% | Dec 2025 |
| Paris | France | Regional office | 1 | 0 | Solutions | 0% | Aug 2026 |
Source: office addresses in postings and company registers
Sites no longer seen
Mumbai
India · Not classified
last seen Nov 2026
Chennai
India · Not classified
last seen Nov 2026
How to cite
TNS, Offices. Alion, Nov 15, 2026. https://alion.io/company/tnsi/offices