---
title: "Sigma Group"
canonical: "https://www.metaintro.com/company/sigma-group-57583285"
language: "en"
industry: "Technology, Information and Internet"
headquarters: "Madrid"
website: "https://sigma.ai/"
open_roles: 60
---

# Sigma Group

The trust infrastructure layer for GenAI — independent evaluation, high-fidelity data, and human intelligence for teams building and deploying AI.

## Open roles

- [Serbian Linguistic Projects (On-site London)](https://www.metaintro.com/job/serbian-linguistic-projects-on-site-london-at-sigma-group-5bda2e56-e7a9-554d-b135-9160b640ba2f) — London, England, United Kingdom, On-site
- [Slovak Linguistic Projects (On-site London)](https://www.metaintro.com/job/slovak-linguistic-projects-on-site-london-at-sigma-group-b868a780-5590-5c87-8463-e02c1730a5c3) — London, England, United Kingdom, On-site
- [Swedish Linguistic Projects (On-site London)](https://www.metaintro.com/job/swedish-linguistic-projects-on-site-london-at-sigma-group-4c7c1003-051a-5bbc-ad43-31e58dd40a05) — London, England, United Kingdom, On-site
- [Cantonese Chinese (Traditional script) Linguistic Projects (Remote) | Sigma AI](https://www.metaintro.com/job/cantonese-chinese-traditional-script-linguistic-projects-remote-sigma-ea5f7c5d-612f-5b98-b95e-0f1ee0a19781) — United States, Taiwan, Ohio, United States, United Kingdom, Australia, Malaysia, Thailand, Philippines, Remote
- [Finnish Linguistic Projects (On-site London)](https://www.metaintro.com/job/finnish-linguistic-projects-on-site-london-at-sigma-group-293fa784-141b-57db-8ed5-e78e693d860b) — London, England, United Kingdom, On-site
- [Hungarian Linguistic Projects (On-site London)](https://www.metaintro.com/job/hungarian-linguistic-projects-on-site-london-at-sigma-group-8b0376c7-f49e-55f2-b42d-73bced819a07) — London, England, United Kingdom, On-site
- [Czech Linguistic Projects (On-site London)](https://www.metaintro.com/job/czech-linguistic-projects-on-site-london-at-sigma-group-d79b9240-2325-52d2-8bd7-90692f293b34) — London, England, United Kingdom, On-site
- [Dutch Linguistic Projects (On-site London)](https://www.metaintro.com/job/dutch-linguistic-projects-on-site-london-at-sigma-group-5659f9b3-cd87-56a5-8dc0-ef03878d4c87) — London, England, United Kingdom, On-site

[View all 60 roles](https://www.metaintro.com/company/sigma-group-57583285/jobs/all)

## AI launches and partners

What Sigma Group has launched and who it works with on AI.

- **AI data and evaluation** (Research): Sigma builds AI data and evaluation.
- **AI Governance** (Launch): Sigma AI provides policy, oversight, and audit-grade documentation for the EU AI Act and beyond.
- **Enterprise AI Deployment** (Launch): Sigma AI designs, builds, and operates enterprise AI alongside your team.
- **AI training data preparation** (Operations): Sigma collects, prepares and labels the data that companies use to train AI programs to understand speech, text, images, videos and more.

## Skills they ask for

Most frequent across open postings.

### Most requested skills

- Data annotation
- Localization
- Transcription
- English fluency
- Computer literacy
- Content rating
- Content validation
- Categorization
- Annotation
- Writing and editing
- English
- Computer skills

### Tech stack

- **Analytics:** Google Analytics 4
- **Libraries:** Tailwind CSS, Font Awesome
- **Frameworks:** Ruby on Rails

## Similar companies

Companies in the same industry as Sigma Group that are hiring now.

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## Questions about Sigma Group

### Is Sigma Group hiring?

Yes. As of November 5, 2026, Sigma Group has 60 open roles on Metaintro. 7 were posted in the last 30 days. The most are in Writing (30), Artificial Intelligence/Machine Learning (27), and Media Production (3).

### Where is Sigma Group hiring?

Sigma Group is hiring in United Kingdom, London, United States, Poland, Germany, and India, with the most open roles in United Kingdom.

### Does Sigma Group offer remote or hybrid work?

0% of open roles are hybrid and 72% are remote.

### What skills does Sigma Group look for?

Its open roles most often ask for Data annotation, Localization, Transcription, English fluency, and Computer literacy.