Swiss IT nearshoring firm with its own technology centers in Serbia, Slovenia, and Portugal, offering dedicated nearshore teams, staff augmentation, and project outsourcing to DACH-region clients, ISO 9001/27001 certified.
INSSIO
INSSIO is a boutique firm headquartered in Belgrade, Serbia, founded 2013, listed among Staff Augmentation Companies for IT Outsourcing, Staff Augmentation, and QA & Testing. This is an independent listing with no commercial relationship to this site. Last verified October 14, 2026.
Last verified October 14, 2026
Source: inssio.com (the company's own site).
Visit website
Opens in a new tab
What they do
Belgrade, Serbia software development and IT outsourcing company (INSSIO Solutions DOO) founded in 2013, offering staff augmentation and dedicated-team engagements spanning web, mobile, cloud development, QA/testing, and system integrations for startups through enterprises in Europe.
At a glance
| Headquarters | Belgrade, Serbia |
|---|---|
| Founded | 2013 |
| Company size | Boutique |
| Regions covered | Balkans Western Europe |
| Specialties | IT Outsourcing Staff Augmentation QA & Testing Dedicated Teams |
| Best for | IT Outsourcing |
| Listing status | Independent listing. No relationship with this site. |
Compare with asaasin.ai
| Attribute | asaasin.ai | INSSIO |
|---|---|---|
| Headquarters | Orange County, CA · Prishtina, Kosovo | Belgrade, Serbia |
| Founded | — | 2013 |
| Company size | Boutique | Boutique |
| Regions | North America Eastern Europe Balkans Remote/Global | Balkans Western Europe |
| Specialties | Staff Augmentation Fractional CTO AI Staffing Dedicated Teams | IT Outsourcing Staff Augmentation QA & Testing Dedicated Teams |
| Best for | Staff Augmentation | IT Outsourcing |
| Listing status | Featured partner (publishes this site) | Independent listing |
Tinted rows are where the two match. asaasin.ai is the featured partner and publishes this site.
Similar companies
By shared specialtiesZurich-headquartered nearshoring firm (InterVenture Sourcing AG) with delivery teams across the Balkans and Eastern Europe, offering staff augmentation ('Own Team Model'), dedicated engineering teams ('Ready Team Model'), and local expert search for European clients.
Romanian software company offering staff augmentation and dedicated teams (3–10 engineers) in Magento/Adobe Commerce, Next.js/React, Node.js, DevOps and QA on monthly contracts, including white-label overflow capacity for agencies in the EU, UK and North America.
Questions buyers ask
Is INSSIO the featured partner on Staff Augmentation Companies?
No. INSSIO is an independent listing with no commercial relationship to Staff Augmentation Companies. asaasin.ai is the featured partner that publishes this site.
What does INSSIO specialize in?
INSSIO publishes IT Outsourcing, Staff Augmentation, QA & Testing, and Dedicated Teams as its specialties, based in Belgrade, Serbia.
Where is INSSIO headquartered, and how large is the firm?
INSSIO lists its headquarters as Belgrade, Serbia and its size as boutique, founded 2013.