Top Data Annotation Services Companies

Hugo Inc. is headquartered in Chicago, Ill., and offers data annotation services for companies and tech firms that need high-accuracy, scalable data annotation to power their machine learning and artificial intelligence development initiatives, including image annotation, text annotation, and AI data preparation services. Hugo's data annotation service is no exception to the 99.8% order processing accuracy that is the hallmark of his other outsourced services, with 1,000-9,999 professionals and 100% positive reviews. The company is known for its accuracy, flexibility, integration capabilities, and data annotation that ensure training data reliability for enterprise-scale AI development projects.

AI-Powered Support-as-a-Service Company Focused on the Tech Industry

Established in 2005, TECHSPEED INC is a data services company based in Portland, OR, offering data annotation services for businesses and tech companies who need accurate and reliable data you can trust from an experienced and quality-focused data outsourcing partner, such as content labeling, image annotation, text classification, and AI training data preparation. TECHSPEED's team of 50 to 249, its hourly rate of less than $25, and its 100% positive client feedback reflect the proactive communication, adaptability and quality discipline that ensures strong client satisfaction in all of its data and support services. Clients appreciate the company's responsiveness, commitment for accuracy, and data annotation that consistently supplies well labeled, production-ready training datasets.

Macgence is a data annotation firm located in New York, USA, established in 2018, dedicated solely to data annotation for training AI models in the industry. Macgence focuses on image annotation, text labeling, video annotation and dataset curation services for technology companies aiming to improve AI model accuracy by leveraging high-quality and precise data annotation. Macgence is known for its efficiency, professionalism, and attention to detail, which consistently leads to improved AI model performance, with a 50 – 249 person team, an hourly rate under $25 and 100% client satisfaction. The company is valued by clients for its outstanding project management, agility in meeting changing client requirements and data annotation services that provide quantifiable enhancements in AI accuracy and model training efficiency.

Established in 2018 in Lahore, Pakistan, HiredSupport is an outsourcing company that offers data annotation services to technology firms in need of high-quality and precise annotation at an affordable price from a dependable outsourcing provider. A 10–49 person team, an hourly rate below $25 and high client satisfaction makes HiredSupport deliver this data annotation in the same operational efficiency and integration quality as it does with its customer service and back office practice. Clients appreciate the company for its cost-effectiveness, professional delivery, and capabilities to reliably help in the development of AI programs.

Cogito Tech LLC is a Levittown, NY-based data annotation firm specializing in image and video annotation for AI and machine learning. The high percentage of clients who have rated Cogito Tech highly for responsiveness and adaptability to changing project needs is reflected in the over 90% of clients who have rated timely delivery, quality of annotations and good project management. Customers appreciate the high quality of the AI training data, and reliable delivery, whilst some reviews highlight the need to ensure that the labeling quality is good and consistent throughout large-scale annotation projects, which might be a consideration to be taken into account in project scoping.

Established in 2024, Agix Technologies is an AI company that offers data annotation services, such as content labeling, AI training data preparation, and AI dataset curation for machine learning and voice AI models, to technology companies that are creating and improving their AI systems. Agix Technologies provides data annotation with an efficient and high-quality standard, just as it does for its AI agent solutions, at a 10–49 person team, under $25/hour, and for AI agent and voice technology applications. The company is valued by clients for its cost-effective, managed data annotation to enable AI training pipelines and for helping to deliver high query accuracy in AI agent systems.