text Data Annotation Companies

Compare 65 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…

• Ethos

  Ethos (AskEthos) is an AI expert network that matches experienced professionals, including lawyers, clinicians, finance analysts, engineers and researchers, with paid AI model training and evaluation work, expert calls and advisory projects. Instead of an application form, every expert is onboarded by an AI voice agen…

• SME Careers

  SME Careers is SuperAnnotate's contributor platform connecting subject matter experts with remote, project-based AI training and evaluation work. Its opportunities span software, mathematics, science, medicine, law, finance, languages and creative fields. Applicants build a profile, complete role-specific screening an…

• AISpotters

  Artificial Intelligence, Machine Learning, Data Labeling, Data Collections, Image Annotation, Audio Annotation, Video Annotation

• Alectio

  Machine Learning-Driven Data Curation, DataPrepOps platform

• Alignerr

  Data labeling, model evaluation, aligning AI models

• Anthromind

  High-quality dataset development for AI model performance, complex data requirements

• Appen

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

• Blomega

  Broad/Unclear specialization

• Bright Data

  Broad/Unclear specialization

• Centrox AI

  Broad/Unclear specialization

• Clarifai

  Automated and AI-assisted data labeling, fully managed data annotation services, high-quality training datasets, various labeling methods, image annotation

• Clickworker

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

• CloudFactory

  Data annotation services (2D/3D, computer vision, NLP), data curation

• Cogito Tech

  Broad/Unclear specialization

• DataSpeckle

  Custom Machine Learning, Computer Vision, Natural Language Processing solutions, Text, Image, Audio, Video Annotation

• Datacurve

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

• Dataloop

  End-to-end cloud-based annotation platform, integrated labeling services, data annotation for images, video, audio, text, geo-spacial data, LiDAR

• Deepchecks

  Automatic and AI-assisted annotations, LLM evaluation, annotated datasets for AI and ML

• DefinedCrowd

  Now Defined.ai (see above)

• Enterprise AI Company (Ent.AI)

  Broad/Unclear specialization

• Figure Eight

  Broad/Unclear specialization

• Hive AI

  Broad/Unclear specialization

• Human Signal

  Broad/Unclear specialization

• Humans in the Loop

  Broad/Unclear specialization

• Joinstellar ai

  Broad/Unclear specialization

• Keymakr

  Image and Video Annotation, Data collection and classification for training convolutional neural networks and deep learning AI, computer vision, autonomous vehicles

• LXT

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

• Label Your Data

  Broad/Unclear specialization

• Labelbox

  Data labeling platform, medical data annotation, image, video, audio, text annotation

• Labeller

  Broad/Unclear specialization

• Lionbridge

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

• Macgence

  AI training data services, data annotation, robotics, medical annotation

• Mighty AI

  Broad/Unclear specialization

• One forma

  Broad/Unclear specialization

• OpenTrain AI

  Broad/Unclear specialization

• Peroptyx

  Data annotation and model evaluation for machine learning, location-based ML training data

• Plainsight

  Computer vision, annotation & data curation, AI-powered data annotation

• Playment

  Data annotation services (image, video, text), AI strategy consulting, SaaS-based platform for computer vision models, automotive data annotation

• Realeyes

  Broad/Unclear specialization

• RedBrick AI

  Broad/Unclear specialization

• Samasource

  Data annotation solutions (image, video, 3D point cloud data), Generative AI, computer vision, data automation platform with Human-in-the-Loop (HITL)

• SandLogic

  ML-assisted data annotation platform (AuVi.io) for text, image, audio, LiDAR, and video data, full-stack Enterprise AI

• 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)

• Segments.ai

  Broad/Unclear specialization

• SensiML Corp

  Broad/Unclear specialization

• Sepal AI

  Broad/Unclear specialization

• Snorkel AI

  Broad/Unclear specialization

• SuperAnnotate

  Data annotation platform for image, video, text, AI data workflows, annotation services marketplace

• Supervisely

  Data annotation platform for images, videos, LiDAR, DICOM datasets, AI automation, 3D point cloud labeling, computer vision

• Surge AI

  Broad/Unclear specialization

• Telus Digital

  Broad/Unclear specialization

• Toloka

  Broad/Unclear specialization

• Trilldata

  No information found (website 404)

• 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…

• V7

  Broad/Unclear specialization

• Volga Partners

  Broad/Unclear specialization

• Watchful

  Broad/Unclear specialization

• Welocalize

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

• Welodata

  Broad/Unclear specialization

• dataannotation.tech

  Data annotation services for AI and ML projects, training AI chatbots

• iMerit

  Data annotation and model fine-tuning (image, video, LiDAR, text data), computer vision, geospatial technology

• py labelme

  Broad/Unclear specialization