translation Data Annotation Companies

Compare 19 company profiles. Verify current services, application requirements and availability directly.

Location matches come from imported role listings and do not establish current country eligibility.

• NextWealth

  NextWealth is an AI data operations and Human-in-the-Loop (HITL) company founded in Bengaluru, India, in 2009. With 5,000+ domain-trained specialists operating across Tier-2 delivery centers, NextWealth delivers enterprise-grade data annotation, computer vision labeling, NLP, and content moderation services to Fortune…

• Mercor

  Mercor is a remote talent platform that recruits professionals to help leading AI labs and enterprises train and evaluate frontier models. Its project marketplace covers software engineering, law, finance, medicine, research, languages, quality assurance and multimodal data work. Recent public listings ranged from abo…

• Micro1

  micro1 recruits subject-matter experts in engineering, medicine, finance, law, language and other fields for remote AI-training projects. Applicants can apply to a listed opportunity or certify skills for future matching. Its public FAQ says certification does not guarantee immediate placement, and its global recruiti…

• Alignerr

  Data labeling, model evaluation, aligning AI models

• Appen

  Data annotation services for AI and ML models, data collection, evaluation, image, audio, and video annotation

• Blomega

  Broad/Unclear specialization

• Clickworker

  Data annotation services (image, text, medical data), AI training data, LLM dataset services

• Datacurve

  Curated code data for training LLMs, gamified coding data annotation platform

• DefinedCrowd

  Now Defined.ai (see above)

• Encord

  AI-assisted data annotation tool, multimodal support (images, videos, audio), RLHF, computer vision

• Figure Eight

  Broad/Unclear specialization

• LXT

  Data annotation services (audio, image, speech, text, video), custom model fine-tuning, data collection

• Lionbridge

  AI data services, data annotation (text, images, audio), prompt engineering, multilingual training data

• Lionbridge AI

  Broad/Unclear specialization

• One forma

  Broad/Unclear specialization

• Scale

  Data annotation, collection, & curation for LLMs, generative AI, computer vision, image annotation, semantic segmentation, 3D point cloud annotation, LiDAR and RADAR annotation (especially for self-driving cars)

• Telus Digital

  Broad/Unclear specialization

• Turing

  Turing is a global remote-work and AI infrastructure platform that recruits software engineers, researchers and domain experts for application engineering and frontier-model training. Current referral opportunities include scientific coding, AI response evaluation, research, languages, creative work and medical review…

• Welocalize

  Data annotation (image, text, audio, video), transcription, summarization, AI data training, localization