With 30+ years of experience in data annotation, we support AI innovators to build smarter AI. Sigma AI has sourced, vetted and trained 25,000+ experts who speak 600+ languages and dialects. We offer human data annotation, training data sourcing, and proprietary technology to accelerate these projects. We guarantee quality results and specialize in generative AI, rapidly scaling projects, and exceptional standards for ethics and security.
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
Better human data annotation. Smarter AI.
Full company description
With 30+ years of experience in data annotation, we support AI innovators to build smarter AI. Sigma AI has sourced, vetted and trained 25,000+ experts who speak 600+ languages and dialects.
We offer human data annotation, training data sourcing, and proprietary technology to accelerate these projects. We guarantee quality results and specialize in generative AI, rapidly scaling projects, and exceptional standards for ethics and security.
LinkedIn followers
116,628
People associated on LinkedIn
1,042
Reported office locations
175 SW 7th St, Miami, Florida 33130, US
Avenida de Burgos, 114 (ED CETIL), 1ºPLANTA, Madrid, Community of Madrid 28050, ES
26-28 Hammersmith Grove, London, England W67BA, GB
Other recorded names
Sigma Group
Sigma AI
Specialties
Machine Learning
Training Data Preparation
Test Data Labeling
Data Annotation
Data Labeling
Training Data
Artificial Intelligence
Data collection
synthetic data
generative ai
conversational ai
ethical AI
data sourcing
and secure data facility
Profile identifies a recruitment agency
No
Industry
IT Services and IT Consulting
Size
501-1,000 employees
Headquarters
Miami, Florida
Organization type
Privately Held
Year founded
2008
Specialties
Machine LearningTraining Data PreparationTest Data LabelingData AnnotationData LabelingTraining DataArtificial IntelligenceData collectionsynthetic datagenerative ai
Sigma Group has 10 open jobs in Canada as of November 6, 2026. Top locations: Ottawa.
Candidates need fluent Cantonese Chinese and fluent English, with correct spelling in writing and listening, plus basic computer literacy. Experience in computational linguistics, corpus analysis, language data annotation or LLM training is preferred.
Candidates need fluent Japanese and English with no spelling mistakes, basic computer skills and a computer meeting the stated technical specifications. Data annotation experience and strong attention to detail are preferred.
Candidates need fluency in Levantine Arabic and English, with correct spelling when writing and listening. They also need basic computer skills, a stable internet connection, and a computer meeting the stated technical specifications.
Candidates need fluent Hindi and English, able to listen and write without spelling mistakes, plus basic computer skills. Experience in data annotation and strong attention to detail are preferred.
Windows 10 or higher, macOS 13 Ventura or higher, Android phone for audio projects, Webcam and microphone
Candidates need fluent Canadian English and English with accurate spelling for listening and writing, plus basic computer skills. Data annotation or content rating experience and strong attention to detail are preferred. A computer with a microphone and webcam, a stable internet connection and headphones are needed.
Candidates need fluent Vietnamese and English, with listening and writing accurate enough for no spelling mistakes, plus basic computer skills. Data annotation experience and strong attention to detail are preferred.
Candidates need fluent French and English with no spelling mistakes, basic computer skills, and a computer meeting the stated technical requirements. Experience in data annotation or content rating and strong attention to detail are preferred.
Candidates need a bachelor's degree in translation and interpretation and native or near-native Mandarin Chinese, plus fluent English with excellent spelling. Strong grammar knowledge, writing and editing skills, and computer literacy are required.
Candidates need a bachelor's degree in linguistics, languages, or a related field, native or near-native Mandarin, and fluent English with strong spelling and attention to detail. Sound knowledge of linguistic theory and grammar is also required.
Candidates need a bachelor's degree in translation and interpretation, native or near-native Vietnamese, and fluent English with excellent spelling. Strong grammar, writing, editing and computer skills are also required.