Top Data Annotation Companies
Top data annotation companies play a vital role in training machine learning and AI systems by providing accurately labeled data. Whether structured or unstructured, annotated datasets enable AI models to recognize, classify, and respond to real-world inputs. A professional data annotation company applies specialized methods like image, text classification, video, audio, and semantic segmentation to deliver high-quality results across domains such as healthcare, automotive, retail, and fintech.
These data annotation companies employ skilled data scientists, developers, and annotation specialists who ensure accuracy, consistency, and relevance through rigorous quality checks and advanced tools. By tagging and categorizing content with precision, they help businesses build smarter, more efficient AI solutions. Choosing the right data annotation company means assessing their experience, attention to detail, and range of annotation capabilities.
Goodfirms highlights the most reliable data annotation companies, helping you find the ideal partner for scalable, AI-ready data annotation services.
Here are the Top Data Annotation & Labelling Companies
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OpenXcell has established a strong IT presence since 2009, consistently delivering high-quality and scalable AI solutions as a leading AI development company. Powered by top one percent talent, the company ensures product delivery that is 20 percent faster and has completed more than 1,500 transformative solutions. This consistent performance has contributed to an impressive 95 ... read OpenXcell reviews & insights
< $25/hr250 - 9992009Las Vegas, NevadaOpenXcell delivered a high-quality platform with exceptional expertise and seamless communication.
- Candice Claassen, Co-founder at SixClicksWhy OpenXcell?
- Trusted AI partner for enterprise growth worldwide
- End-to-end AI product development company experts!
- Generative AI & LLM integration experts team
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iMerit combines the technologies, talent and techniques that, together, deliver AI data solutions that companies rely on. Learn more about iMerit and our leadership team here.Our customers are able to focus on the algorithms that drive their company forward, while our teams of trained specialists handle the data work and reinforcement learning. With an output ... read iMerit reviews & insights
NA10 - 49Bengaluru, India -
Data Annotation and Labeling in Japanese We provide a specialized service for data annotation and labeling in Japanese to support high-precision AI development. From requirement definition to the creation of labeled data, the entire process can be outsourced. With deep expertise as an AI development company, we flexibly support a wide range of data formats, ... read Nextremer reviews & insights
NA10 - 492012Nankoku, Japan -
Our company name called “Global Walkers” is a combination of "Global" meaning “world-class” or “targeting world markets” and "Walkers" meaning “walking people”. The term "Walkers" implies step-by-step business promotion, constant advancement of businesses/ technologies, new findings or discoveries through walking around various places and promotion of such activities with our associates (several persons). We will ... read Global Walkers reviews & insights
NA10 - 49Tokyo, Japan -
Intelyhood Technologies — Empowering the Future of Data Intelligence Intelyhood Technologies Pvt. Ltd. is an AI-first organization specializing in IT Project deliveries, data annotation, model training, and large language model (LLM) enablement. We help enterprises, AI labs, and startups accelerate innovation through Development, high-quality data services, scalable workforce solutions, and managed AI delivery models. With a global ... read Intelyhood Technologies reviews & insights
NA50 - 2492025Indore, IndiaResume builder and Interview prep tool
- Satbeer Singh -
GKN Collective is a strategy-led consulting firm that helps brands, startups, and enterprises build strong business foundations and scale sustainably. We work with leadership teams to solve complex business problems by combining proven consulting frameworks with practical execution and AI-driven enablement. Our approach is rooted in the belief that growth should be intentional—not accidental. We ... read GKN Collective reviews & insights
$100 - $149/hr10 - 492024Bengaluru, IndiaStrategic, Professional, and Result-Oriented Digital Partner
- CEO at LtdEd StoreWhy GKN Collective?
- Clear go-to-market strategy
- AI-integrated operations
- Innovation pipeline development
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Haidata is a leading AI data solutions provider specializing in high-quality data services for AI and ML applications. We offer data annotation, data collection, and synthetic dataset generation across image, audio, video, and text domains. With a mission to enable “Data-Centric AI,” we have invested in scalable infrastructure and technology to deliver accurate, reliable, and ... read HaiData reviews & insights
< $25/hr10 - 492020Ooty, IndiaSanthosh and his team provided quality images on time to complete various annotation services
- Sheldon Quadros -
Before AI-powered tools can identify objects or understand speech, they need people to teach them. The human-in-the-loop model assumes that machines improve their performance using data processed by humans. Only with people’s help can AI deliver relevant search results, recognize faces, recommend products, identify diagnoses, etc.Machine learning (ML) models become effective only when they learn ... read Human Annotation reviews & insights
NA10 - 49Aptos, California -
Keymakr provides image and video data annotation, along with data creation, collection, and validation services for AI and machine learning computer vision projects of any scale. The company’s core expertise lies in delivering high-quality training data for multimodal and embodied AI systems, and supporting human-verified annotation and LLM ground-truth validation of model outputs. Keymakr's motto, ... read Keymakr reviews & insights
NA250 - 9992015NYC, New YorkWhy Keymakr?
- Production-grade datasets with proven quality
- Expert human validation for reliable AI
- Expert human validation for reliable AI
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We started our business in 2018 in Kyiv, Ukraine, and it has grown into an international company with its headquarter in Palo Alto, California, USA.We bring expertise in Data Annotation, Data collection and AI modules creation. With a team of more than 150 tech specialists, we have shown results that exceed all expectations, creating a ... read Outforz reviews & insights
NA50 - 2492018Palo Alto, California -
🚀 ORTEM Technologies LLC: Where Vision Meets Execution—and Innovation Has Purpose. We believe technology should do more than just function—it should fuel transformation, unlock hidden potential, and create a meaningful impact. With over a decade of experience, we specialize in delivering custom-built, high-performance solutions across mobile, web, cloud, and enterprise platforms. From fast-scaling startups to ... read Ortem Technologies LLC reviews & insights
$25 - $49/hr50 - 2492012Lewes, DelawareOur Fleet Operations was revolutionized with Ortem’s AI Platform
- Reggie McNeillWhy Ortem Technologies LLC?
- Proven expertise & on-time delivery
- Client-first approach & transparency
- High-quality & scalable solutions
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FOR TEAMS WHO CARE ABOUT UX, AI strategy grounded in real product needs. We implement everything end-to-end with a single team accountable for results. Our PORTFOLIO INCLUDES marketplaces, e-commerce, workflow automations, AI assistants, corporate websites, banking apps, data warehouse initiatives, and more. IF YOU ARE BUILDING A NEW PRODUCT OR SCALING A PRODUCT, we can ... read imaga reviews & insights
$25 - $49/hr50 - 2492018San Mateo, CaliforniaTheir work significantly improved our website’s click-through rates and conversions while remaining responsive and communicative.
- Ivan Mikheev, CTO at Tripsider.com -
Cogito Tech offers Enterprise Data Labeling Services (EDLS), specializing in data curation and labeling. Our commitment to quality and ethical integrity is verified by the DataSum certification, ensuring transparency, ethical sourcing, and the highest data governance standards. This commitment enables us to deliver high-quality, ethically sourced data that you can trust, ensuring compliance, reliability, and ... read Cogito Tech reviews & insights
NA1,000 - 9,9992011NYC, New YorkWorking with CogitoTech was professional and highly productive experience for our project completion
- Rachel -
SLM Software specializes in developing SaaS, LaaS, & BaaS applications, delivering transformative results for businesses, particularly those leveraging data analytics & AI.
$50 - $99/hr2 - 92025Ljubljana, SloveniaThey delivered a smart, reliable chatbot that streamlined patient communication.
- Hakan Simsek -
Annotation Box provides high-quality and accurate data annotation services for training AI and Machine Learning models. We offer a wide range of services, including image, video, audio, and text annotation, to help businesses and organizations improve their machine-learning models. With a team of experienced annotators and state-of-the-art technology, we ensure timely delivery and exceptional results ... read Annotation Box reviews & insights
NA10 - 492004Kolkata, India -
Tech FusionEra – Innovating Digital Solutions Founded in 2024 and headquartered in Indore, India, Tech FusionEra is a cutting-edge technology company specializing in full-stack web development, AI-driven applications, mobile apps, and e-commerce platforms. Our expertise spans Laravel, Node.js, React.js, and AI/ML, enabling us to craft high-quality, scalable, and user-friendly digital solutions. Our Mission We empower ... read Tech FusionEra reviews & insights
< $25/hr2 - 92024Indore, IndiaWorking with Tech FusionEra, we saw real progress every week.
- Salman Abbasi, Technical Project Manager 5G at Nokia -
SunTec Data is a leading data services provider and KPO & BPO/BPM company. With 25+ years of experience and 1500+ data professionals, we have established successful partnerships with a diverse range of businesses worldwide, like Honda, PEPSICO, Nielsen, Deloitte, and Expedia. We offer support for data entry and processing, data annotation, data management, data research ... read SunTec Data reviews & insights
< $25/hr1,000 - 9,9991999Laguna Beach, CaliforniaThe web scraping services provided by SunTec Data streamlined our data collection, saving our time.
- Jessica Watson -
TJDEED Technology is a leading digital transformation company in Jordan, delivering enterprise IT service management, cybersecurity, cloud, infrastructure, AI, and automation solutions for public and private sector organizations across the Middle East.
$50 - $99/hr50 - 2492010Amman, JordanGreat experiance
- Ahmad Mansour, Network Manager at Jordan Islamic Bank -
Kotwel is a human translation and artificial intelligence training data provider. Founded with an aim to empower the world's leading AI projects, Kotwel has been growing at a rapid pace both domestically and internationally, with most of the growth being experienced in Asia.
NA250 - 9992021Ho Chi Minh City, VietnamKotwel followed our guidelines strictly and delivered the service well beyond our expectation.
- Christine Ng. at OBE DIGITAL -
At The One AI, we believe in the transformative power of artificial intelligence to reshape industries and drive innovation. Based in Australia, we are at the forefront of AI development, specializing in cutting-edge solutions that empower businesses to harness the full potential of technology. Our team of experts is dedicated to creating intelligent systems that ... read The One AI reviews & insights
NA10 - 49Brisbane, Australia -
Fusion CX is a global leader in customer experience (CX) transformation, offering end-to-end outsourcing solutions powered by a unique blend of human expertise and cutting-edge Gen-AI technologies. With over 10,000 employees across 40+ global centers, Fusion CX delivers multilingual support in more than 40 languages. The company specializes in customer service, sales, tech support, and ... read Fusion CX reviews & insights
< $25/hr10000+2004Draper, UtahAwesome Experience
- Manish Jain, Chief Marketing & Strategy Officer | CX and BPO Leader | Championing Tech-Driven Growth at CMO Needs -
Innolab LLC is an international custom software development company that specializes in delivering tailored digital solutions across various industries. Founded in 2020, the company has grown to employ over 50 professionals and operates more than 3 development centers. Core Specializations Custom Software Development: Innolab LLC offers end-to-end development services for web, mobile, and cloud platforms, ... read INNOLAB reviews & insights
$50 - $99/hr10 - 492020Riga, LatviaInnolab team was professional, collaborative, and hit every milestone on time
- Buddy Lee, CEO at Buddy Lee Jump Ropes -
Need high-quality training data for your machine learning models? Look no further! Our team of experienced annotators provide accurate and consistent labeling, making your data more valuable than ever.Get the best of both worlds with our human-in-the-loop services. Our team of experts will work alongside your automated processes to complement its scalability with human intelligence.
NA10 - 49San Francisco, California -
At Octaloop IT & NS, we specialize in delivering innovative technology solutions that help businesses scale and innovate in today’s fast-paced digital landscape. With a strong foundation in staff augmentation, AI, blockchain, app development, and AR/VR, we provide customized, results-driven strategies that optimize performance and drive measurable growth. With global registration and a strong presence ... read Octaloop IT & NS reviews & insights
$25 - $49/hr250 - 9992023Poor response, failed to complete project, multiple bugs and little thought given to UI
- Anonymous -
GET OUR EXPERT CONSULTING AND SOFTWARE ENGINEERING SERVICES Computools is a global software development and consulting company with over 250 engineers and 400+ completed projects. We hold ISO 9001 / ISO 27001 certifications and comply with GDPR and HIPAA standards. Trusted by global brands like Visa, Epson, and IBM, we are also a Microsoft and ... read Computools reviews & insights
$25 - $49/hr250 - 9992013NYC, New YorkWorkplace Remote (review from founder)
- Vova Maslyuk, PhD student at MPU Halle -
Bluebash was established in 2018 as a custom software development company specializing in Web Development, Artificial Intelligence (AI), Cloud Infrastructure solutions. We have expertise in healthcare, e-commerce, and ed-tech industries, and our solutions are customized to meet each business's specific needs. Our primary goal is to help startups and established businesses expand their horizons through ... read Bluebash reviews & insights
$25 - $49/hr50 - 2492018Mohali, IndiaVery Proactive In Product Management And Communication
- Mingming Wang, Co-Founder and CEO at PopInventory -
SunTec India is a globally recognized AI-enabled IT and digital services company with over 25 years of industry experience and 1500+ full-time employees. We specialize in a wide range of services, including Data Solutions (intelligent data operations for tech platforms, marketing, B2B, and AI/machine learning), eCommerce Support for leading platforms & marketplaces (product data management, ... read SunTecIndia reviews & insights
$25 - $49/hr1,000 - 9,9991999Delhi, IndiaThe team managed vendor invoices and data entry, delivering precise work beyond expectations.
- Victoria Brookes -
Sodio is a digital product development company offering a range of services to help businesses succeed in the ever-evolving tech landscape. Our expertise spans Blockchain, AI, Mobile and Web App Development, Digital Marketing, Branding, and DevOps. In Blockchain, we deliver secure, decentralized solutions including dApp development, smart contracts, crypto wallets, and NFT marketplaces. These services ... read Sodio Technologies Pvt Ltd reviews & insights
< $25/hr10 - 492016Bengaluru, IndiaSodio Helped me in building and Scaling
- Director at Vermi Organics Private Limited -
Tinkogroup is a data processing company. Our team works with tones of various information and knows exactly how to search, verify, and analyze data. We turn chaotic records into structured databases. Quality is our priority. As a result, clients receive accurate and proper information as a reliable basement for business decisions. Every day we work hard ... read Tinkogroup reviews & insights
NA10 - 492016Kyiv, UkraineHighly Accurate and Industry-Savvy Lead Research Partner
- Catherine Ilaschuk, Marketing assistant at Elit-Web -
Chinese Game Localization – Professional Simplified Chinese Game Translation for Indie Developers Based in Warsaw, Poland, Chinese Game Localization is a professional Polish–Chinese team specializing in high-quality Simplified Chinese game localization for indie and narrative-driven video games. We provide end-to-end localization services, including in-game dialogue translation, UI and menu localization, cultural adaptation, and native-speaker LQA ... read Chinese Localization reviews & insights
$25 - $49/hr2 - 92019Warsaw, PolandTranslation was delivered quickly and everything was taken care of
- Anonymous -
Datamam collaborates with forward-thinking executives—CEOs, CTOs, CIOs, and Heads of Data—to transform raw, fragmented data into AI-ready intelligence. We focus on critical business outcomes: accelerating time-to-insight, reducing operational costs, and unlocking new market opportunities. By delivering structured, enriched, and secure data that seamlessly integrates into existing BI, AI, and analytics workflows, Datamam frees your internal ... read Datamam reviews & insights
$300+/hr250 - 9992006Laguna Beach, CaliforniaOverall it was a good experience and the delivery was organized and consistent.
- Anonymous -
Founded in 2011, Cloudester is a bespoke software development company to deliver fast, usable, high-performing, and secured mobile and web structures built to suit your specific requirements. What sets them apart is their team of talented and passionate digital nerds who always stay on pace with the latest trends and innovations to deal with each ... read Cloudester Software LLC reviews & insights
NA10 - 492011NYC, New YorkThey are a team of professionals and we would continue working with them for future updates.
- Pankti Shah, Founder & CEO at Sanskruti Salon -
Triyock BPO, established in the year 2017, is an emerging global leader in providing expert data collection services and research outsourcing. We offer back office support, data entry, business processing, document conversion, web research, and scraping services. We emphasize innovation and use the best technology available. We are dedicated to delivering quality, speed, and integrated ... read Triyock reviews & insights
$25 - $49/hr50 - 2492017New Jersey, New JerseyThe Triyock team was amazing. They made the data entry process seamless.
- Andrew Martin, Professor at University of Glasgow -
At Make My Brand we integrate our expertise with your vision to act as a strategic partner in brand development and business growth. We are purpose-built for delivering outcome- driven solutions and specialize in turning early-stage ideas into industry-leading brands through our 360-degree growth approach. Our proprietary Brand Development Lifecycle (BDLC) framework is designed to ... read Make My Brand reviews & insights
< $25/hr50 - 2492021Emeryville, CaliforniaClear communication and consistent improvements in our search visibility.
- Peter Thomas -
New Age Solution is a fast-growing data collection partner for AI and machine learning companies worldwide. We specialize in delivering high-quality, scalable datasets across image, audio, video, text, and facial data, designed to power smarter, more inclusive AI systems. With a curated network of multilingual freelancers and a commitment to accuracy, we help tech companies, startups, and ... read New Age Solution reviews & insights
< $25/hr2 - 92015Delhi, India -
StairwaySoft is a global engineering provider of innovative software development services with a team of expert engineers. We service various businesses internationally to create solutions and help companies achieve their technology goals. We build software solutions through an ever-expanding UNIQUE HYBRID of Eastern European, Middle East and Central Asia Engineering matched with Israeli Innovation
$25 - $49/hr10 - 492012Kington, United KingdomVery good
- Daniel David, VP R&D at Boards.com -
Protranslate is an online translation services start-up operating in more than 70 languages and in various fields of translation, including localization services. We provide translations 24/7 for people all around the world, though our main area of operation is the MENA Region as for now. We are open to all your online translation projects and ... read Protranslate reviews & insights
< $25/hr2 - 92015Istanbul, TurkeyFast and Reliable Translate
- Mustafa Andaç DERİNPINAR, Senior Product Manager | Senior Data Scientist at Gislab -
Quantigo AI empowers businesses by transforming human insights into machine intelligence through cutting-edge AI data solutions. As a trusted partner in training data for machine learning and artificial intelligence, we offer a human-centered approach to enhance the accuracy and performance of AI models. Our global partnerships span diverse industries, delivering scalable, high-quality data that drives ... read Quantigo AI reviews & insights
$25 - $49/hr250 - 9992019Toronto, Canada -
AB Ark Solutions is a forward-thinking company specializing in AI-driven software services and products. We are committed to empowering businesses to stay ahead in a rapidly evolving technological landscape. We are a global software company with offices in Pakistan, the UAE, and the USA, trusted by 1,000+ clients worldwide. We connect you with a team ... read AB Ark Solutions reviews & insights
$25 - $49/hr50 - 2492023Alameda, California5-Star Review for AB Ark Private Limited
- Karabo Letsholo, Director/Founder at Mahala AirtimeWhy AB Ark Solutions?
- Proven Expertise in AI
- Client-first approach & transparency
- High-quality & scalable solutions
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At Primalt, our mission is to empower individuals and organizations through technological innovation by creating advanced software and digital solutions that help businesses grow intelligently and sustainably. We craft intelligent software that responds to your needs with innovation rooted in human values, creativity, and simplicity.Every line of code we write is driven by a single ... read Primalt reviews & insights
$25 - $49/hr10 - 492023Zebbug, MaltaMy experience was great, they did all the services with a high level of commitment, professionality.
- Edvin Bixha, Director at Free Plug sh.p.k -
Our industry-leading platform provides annotation for image, video, and text. It integrates machine learning to improve efficiency and accuracy and it's designed with maximum flexibility to handle the most complex labeling needs. Integrate through our robust API and monitor labeling through our Data Science Portal.
< $25/hr10 - 49Austin, Texas -
RoboStream is CogitoTech’s robotics and embodied AI data solution, built on more than a decade of experience in AI training data and human-in-the-loop services. With a strong focus on expert human oversight, RoboStream enables robots to operate reliably in real-world conditions. Our core services support end-to-end robotics data pipelines, including multimodal data collection, annotation, and ... read Robostream reviews & insights
< $25/hr1,000 - 9,9992025Levittown, Pennsylvania -
TaskUs provides next generation customer experience that powers the world's most disruptive companies through the partnership of amazing people and innovative technology.
< $25/hr10000+2008Taipei City, Taiwan -
AIPersonic is an AI-data services company specializing in high-quality data annotation and labeling across formats — including images, text, audio, video and mixed data — to help businesses train AI and machine-learning models.
NA250 - 9992025Oceanside, California -
Founded in 2016, Iqra Technology is a leading IT solutions and services provider trusted by global enterprises across multiple industries. We collaborate with top technology platforms including Salesforce, Microsoft, Nintex, Conga, Joget, Odoo, and Certinia to deliver scalable, cost-effective, and high-quality digital solutions. We offer dedicated offshore technology experts starting from USD 2100 per month ... read Iqra Technology reviews & insights
< $25/hr50 - 2492016Mumbai, IndiaVery reliable and and knowledgable resources
- Richard Ohlsson, Founder at EdIT Solutions -
Each client has their own values.We understand this and provide professional services while building good partnerships. ・・・Informing, appealing, gaining understanding, building trust ・・・Contents are created in various formats and formats according to the purpose and target. No two are the same, they are "made to order". We propose a clear plan for the content that the customer wants, ... read Image Science reviews & insights
NA10 - 49Tokyo, Japan -
There are problems with the servers, which cannot withstand the load and require the necessary reworking of the code. Or if you need help with professional marketing, then a dedicated team of IT professionals with extensive experience and a wide range of capabilities can help. Don't waste time when the answer is already there. For ... read BPO Ukraine reviews & insights
$25 - $49/hr10 - 492009Bartow, Florida -
Back Office Philippines is widely recognized as the Best BPO Company in Philippines, delivering end-to-end business process outsourcing solutions to businesses around the world. As the Best BPO Company in Philippines, we combine skilled professionals, advanced technologies, and proven workflows to deliver accurate, reliable, and cost-effective services tailored to diverse industry requirements. Our mission as ... read Back Office Philippines reviews & insights
< $25/hr50 - 2492013Makati, Philippines
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