Top Data Annotation Companies

A machine learning model is only as accurate as the labels it learns from. Data annotation services companies supply those labels at volume: boxes, polygons and masks on images, object tracking across video frames, 3D cuboids in LiDAR point clouds, entities and intents in text, transcripts and speaker turns in audio, and preference rankings and written responses for training large language models. AI teams outsource it when in-house labeling cannot keep up, when they need domain experts such as radiologists or linguists, or when a new model needs a large training set.

Compare data annotation providers here on the label types they have delivered at scale, how they measure quality, and where and how your data is handled.

How this list is built

We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

549 Companies

List of the Best Data Annotation Services Agencies

V
VA247
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VA247 connects U.S. small businesses with qualified, English-speaking Filipino virtual assistants for as low as $4 per hour. There are no contracts or packages required, and you can be matched within 48 hours.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
Boulder, Colorado, Us
Services Provided+8 Services
8% Email & Newsletter Copywriting
8% Social Media Copywriting
4% Technical Writing & Documentation
8% Email Marketing & Automation
AI Summary
“VA247 offers U.S. small businesses affordable, flexible access to skilled, English-speaking Filipino virtual assistants with no contracts, enabling quick matching within 48 hours.”
Azans-ai
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Azans-ai, a company that launched in early 2023, is embarking on an impressive journey to break down borders and connect with people globally through technology. Their mission is straightforward: to serve as a comprehensive global provider of tech services. They strive to reach clients worldwide, el
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+5 Services
12% Mobile App Development (iOS & Android)
5% E-Commerce Development
17% Product Design
10% Graphic Design
AI Summary
“Azans-ai, founded in 2023, is a global technology services provider committed to innovation, accessibility, and delivering efficient, user-friendly solutions across diverse markets worldwide.”
Tech Prescient
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Tech Prescient is a high-end Software Product Development Services firm that is deeply committed to achieving customer success. Quality and customer satisfaction are central to everything we undertake. Our primary areas of specialization include: - **Product Development Engineering**: We manage pr
Highlights
10-49
Employees
Pune, Maharashtra, In
Services Provided+8 Services
9% Custom Web Application Development
6% Mobile App Development (iOS & Android)
4% API Development & Integration
4% Backend Development
AI Summary
“Tech Prescient delivers high-quality software development, data intelligence, cloud solutions, and mobile applications, emphasizing client success through technical expertise and collaborative agile methodologies.”
Xpansion Technologies
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Xpansion Technologies is a Sydney-based company that offers IT and IT-enabled services to a diverse array of clients across various industries, including manufacturing, telecommunications, real estate, core engineering, healthcare, and education. The organization is managed by a team of seasoned pro
Highlights
10-49
Employees
Services Provided+10 Services
6% Mobile App Development (iOS & Android)
8% Custom Web Application Development
5% API Development & Integration
1% E-Commerce Development
AI Summary
“Xpansion Technologies, based in Sydney, delivers tailored IT services across industries such as manufacturing, telecommunications, and healthcare, enhancing client efficiency and market responsiveness.”
Armi Technologies
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**ARMI Technologies: CREATING CUSTOM SOLUTIONS FOR YOUR BUSINESS** ARMI Technologies is a reliable partner for technology enthusiasts. We help businesses enhance their value by providing customized software development, product design, testing, and quality assurance services. Start your next projec
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Los Angeles, California, Us
Services Provided+18 Services
2% Code Review & Technical Audits
3% CMS Development & Customization
3% QA & Software Testing
3% API Development & Integration
AI Summary
“ARMI Technologies specializes in custom software development, web design, integration, data management, and quality assurance, delivering tailored technology solutions to enhance business performance.”
InnoSN Soft Tech (OPC) Private Limited
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At InnoSN Soft Tech, we are dedicated to using technology to enhance business capabilities and foster innovation. As a top provider of all-encompassing IT solutions, we take pride in offering outstanding services customized to address the specific requirements of our clients.
Highlights
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+8 Services
14% Custom Web Application Development
6% E-Commerce Development
6% UX Research & Usability Testing
8% Product UX Strategy
AI Summary
“InnoSN Soft Tech (OPC) Private Limited delivers comprehensive IT solutions, leveraging technology to enhance business capabilities and drive innovation tailored to client needs.”
ESKYFY
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We specialize in web development, cloud application solutions, eCommerce, ERP systems, CRM, and app development.
Highlights
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+5 Services
9% Custom Web Application Development
4% SaaS Product Development
8% ERP & CRM Development
5% E-Commerce Development
AI Summary
“ESKYFY delivers comprehensive web development, cloud applications, eCommerce, ERP, CRM, and mobile app solutions, supporting diverse business technology needs with professional expertise.”
CipherSense AI
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CipherSense AI is a reliable partner for Data and Artificial Intelligence solutions across Africa. We assist forward-thinking companies in harnessing the potential of AI through tailored model development, automation, and smart data management. Our offerings encompass AI model creation and refinemen
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Lagos, Lagos, Ng
Services Provided+20 Services
3% AI Strategy & Roadmap Consulting
3% LLM Integration & Prompt Engineering
2% Custom AI Chatbot Development
7% Machine Learning Model Development
AI Summary
“CipherSense AI delivers tailored AI solutions across Africa, offering model development, automation, data management, labeling, and human-in-the-loop support to drive innovation and reliable outcomes.”
IconiCS Group
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We are an outsourcing company specializing in call centers, social media, and innovative technology businesses that disrupt the market. Our aim is to manage interactions, handle intricate tasks, and help brands expand. IcoNics Group combines exceptional agents, a strong culture, innovation, technolo
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
250-999
Employees
Aqaba, Jo
Services Provided+24 Services
8% Content Moderation Services
5% Data Annotation Services
13% Sales Process Consulting
12% Generative AI
AI Summary
“IconiCS Group is an outsourcing firm specializing in call centers, social media, and technology-driven solutions that enhance brand interactions and support business growth through innovation and skilled agents.”
Growmos
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GrowMos is a company that offers a management operating system, providing top-notch agile management teams as needed. They take care of the technical aspects, allowing business owners to concentrate on expansion. Their fundamental approach, known as the "Boss" Model, involves supplying committed man
Highlights
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+4 Services
20% Social Media Marketing
15% BI & Big Data Consulting & SI
15% Mobile App Development (iOS & Android)
15% Custom Web Application Development
AI Summary
“With capabilities in BI & Big Data Consulting and Data Annotation Services, Growmos supports data-driven decision-making and analytics integration to optimize business intelligence processes.”

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