Accurate image annotation is key for successful AI models. Outsourcing this task to specialized companies saves time and resources, ensuring high-quality training data. This article lists the Top 10 Image Annotation Companies to Outsource to help you choose the right partner for your AI needs.

In computer vision, a picture isn’t worth a thousand words, unless reliably annotated. This is why accurate image annotation is so critical for your visual recognition projects to succeed. Whether it’s pixel-level segmentation, bounding boxes for object detection, or image tagging for image classification, high-quality annotated image data is the foundation upon which your computer vision models learn and perform.

But building an in-house team of professional annotators can be costly and time-consuming. That’s where outsourcing image annotation comes in. And where your search for the best image labelling companies begins.

In this article, we present a carefully curated list of the top 10 image annotation companies that offer scalable solutions to meet your training data needs. These companies specialize in providing high-quality image labelling services, ensuring the data quality you need for optimal model performance.

By outsourcing image labelling to these experts, you can focus on developing your core AI technologies while leaving the specialized task of image annotation to the professionals.

cost of inconsistent and incorrect image annotation

To create our list of top image annotation outsourcing companies, we tracked their online presence and industry reputation. We looked at their websites and social media to see what services they offer and how they present themselves.

We checked for awards, media mentions, and testimonials to gauge their credibility and expertise. We also explored online reviews and ratings to understand the experiences of their past clients. Additionally, we considered factors like pricing models, technology used, data security measures, and scalability to ensure the companies on our list could meet a variety of needs.


Appen, founded in 1996 and headquartered in Chatswood, New South Wales, Australia, specializes in providing high-quality data annotation for AI/ML models, including image annotation services. The company’s capabilities support object tracking, pixel-level semantic segmentation, and image transcription, ensuring accurate ground truth for models.

With over 1 million contributors worldwide, Appen’s global team and diverse capabilities make it a preferred choice for various industries and projects. The company ensures high-quality data annotation that meets the unique needs of its clients.

In terms of ratings, Appen has received 4.3 out of 5 on AmbitionBox, with 90% of employees recommending its culture and work environment. Appen’s commitment to ethical AI practices, combined with its technical prowess and operational excellence, makes it an ideal partner for businesses seeking reliable and efficient image annotation services.

Scale AI

Scale AI, founded in 2016 with its headquarters in San Francisco, California, is a company specializing in providing high-quality training data for AI applications. Their offerings range from image annotation services for self-driving cars, mapping, AR/VR, robotics, and more, to NLP, and classification models.

Scale AI’s approach ensures accurate real-world truth for models in various domains and use cases. The company’s image annotation solutions support object tracking, pixel-level segmentation, and image transcription, among other features.

Scale AI excels in its focus on enterprise data and generative AI, and positioned itself as a prominent annotation services provider in the US. The company has garnered high praise for its expertise, with top scores on AmbitionBox and Glassdoor, showcasing its commitment to quality and customer satisfaction.

Hitech BPO

Founded in 1992, and with over three decades of experience, Hitech BPO is a leading provider of data annotation services. Headquartered in Ahmedabad, India, with a global presence in the US and UK, Hitech BPO’s team of over 1,200 employees includes 300+ data annotators specializing in image, video, and text annotation.

Their comprehensive image annotation services include image recognition and classification, boundary recognition, polygons, 2D/3D bounding boxes, Lidar 3D point cloud annotation, surveillance annotation for aerial and drone footage, text classification, semantic annotation, and entity and object recognition.

Hitech BPO’s commitment to quality is evident in their 99.5% accuracy rate, achieved through annotating over 100 million data points across 100+ data types. Their portfolio boasts over 3,100 successful projects, catering to a diverse clientele of 5,000+ organizations across 50+ countries.

Hitech BPO’s dedication to client satisfaction is reflected in their 95% recurring client rate and positive ratings on platforms including Gartner – 5, AmbitionBox – 3.6, Bark – 5, and TrustPilot – 3.8.

V7 Labs

V7 Labs is a UK-based technology company that provides end-to-end visual data, focusing on image labeling solutions. The company has a user-friendly, intuitive, and adaptable, platform catering to both technical and non-technical users for various data types and formats.

V7 Labs’ solution encompasses customizable and collaborative workflows, offering annotation flexibility and seamless integration with other tools. The company is committed to security and privacy for protection of sensitive and confidential data, providing peace of mind to clients working in regulated industries.

V7 Labs receives high ratings on software review platforms like G2, with users praising its features, ease of use, and overall effectiveness. Its flexible and collaborative platform, coupled with its ability to handle complex data types and formats, make them a preferred partner for businesses looking to optimize their AI model development processes.


Founded in London in 2015, Keymakr is a leader in data annotation and labeling, specializing in image, video, text, audio, and 3D point cloud annotation for AI projects. The company has helped firms achieve significant results in areas such as autonomous vehicle navigation, sports training AI, object detection in retail, 3D object recognition in real estate, trash recognition in waste management, and more.

Keymakr offers customizable, end-to-end annotation services with features like smart task distribution, real-time monitoring, and quality control alerts. Their platform supports bitmasks and vector graphics for various computer vision projects across industries such as automotive, sports, retail, real estate, waste management, medicine, robotics, advertising, and agriculture.

Keymakr ensures data privacy and security by complying with SOC2, GDPR, and HIPAA regulations. The company maintains a 4.1-star rating on Glassdoor, highlighting its supportive leadership and collaborative work culture.

Mindy Support

Mindy Support, located in Cyprus, is a global provider of data annotation and BPO services with extensive experience in the industry. Founded in 2013, they offer image and video annotation, as well as text and audio annotation.

With a focus on quality, timely delivery, and scalability, Mindy Support delivers reduced operational costs through dedicated data teams. Their image annotation services include various techniques such as tagging, 3D bounding boxes, polygon annotation, landmarks, 2D bounding boxes, and image masking, catering to the needs of various industries including automotive, healthcare, agriculture, retail, and e-commerce.

Mindy Support’s team consists of over 2000 professionals located in multiple countries, enabling them to handle large-volume projects and deliver diverse training data sets for ML projects. The company has a rating of 4.7 out of 5.0 on AmbitionBox, indicating high levels of customer satisfaction.

Infosys BPM

Infosys BPM, headquartered in Bengaluru, India, specializes in image annotation services essential for machine learning and neural networks. Founded in 2002, the company operates globally with deep expertise in AI innovation.

Their image annotation services include Bounding Boxes, Segmentation, Polygons, and Classification techniques, serving sectors such as CPG, Retail, Media, Rail Transport, Oil & Gas, Insurance, Healthcare, and Financial Services. Infosys BPM provides high-quality ‘training data’ using a platform plus human-in-the-loop service model to ensure precise and scalable AI training. Their proven approach leverages human intelligence and automation to produce high-quality training datasets.

With a 3.5-star rating on Glassdoor and nearly 6000 reviews, Infosys BPM maintains a strong relationship with its employees, emphasizing its role as a key player in the AI and machine learning data annotation market.

Lotus Quality Assurance

Lotus Quality Assurance (LQA), established in 2013 and headquartered in Ho Chi Minh City, Vietnam, excels in providing top-tier image annotation services, essential for training AI and machine learning models. These services are critical in enhancing the accuracy and functionality of AI applications across various industries, including automotive, healthcare, retail, and more.

LQA’s team of skilled professionals uses precise annotation techniques to deliver high-quality, cost-effective data tailored to the specific needs of each project. Their image annotation services encompass a wide range of tasks, including object detection, segmentation, and classification, ensuring comprehensive support for AI development.

In recognition of their excellence, LQA has earned positive ratings on platforms like Glassdoor and Ambitionbox. Employees commend the supportive work environment, inclusive culture, and the company’s commitment to delivering superior image annotation services.


PIXTA Vietnam, a branch of Pixta.Inc, established in May 2016 in Ho Chi Minh City, specializes in advanced image annotation services for AI and ML applications. The company provides high-quality ground truth data essential for training and fine-tuning these models. Their comprehensive services include LiDAR annotation, image classification, and image segmentation, which are crucial for various industries, including ADAS driver monitoring systems.

PIXTA Vietnam’s integrated approach combines specialized AI modeling with detailed data annotation, ensuring that AI models perform optimally in real-world scenarios. PIXTA Vietnam leverages cutting-edge technologies and methodologies to meet high standards of accuracy.

Their dedication to quality and innovation has made PIXTA Vietnam a trusted partner for businesses seeking to enhance their AI applications. By providing tailored, impactful annotation services, PIXTA Vietnam supports the development of robust and efficient AI models.

Telework PH

Telework PH, based in San Rafael, Bulacan, Philippines, is a leading provider of image annotation services, critical for training AI and machine learning models. Founded in 2015, Telework PH delivers precise annotation services across various industries, including autonomous driving, retail, and healthcare. Their detailed image annotation ensures that AI technologies can handle real-world tasks with high precision and reliability.

Telework PH excels in scaling their data services, employing a distributed and managed workforce that guarantees fast turnaround times and exceptional accuracy. The company’s stringent security measures ensure safe handling of sensitive data too.

Telework PH focuses on both technological excellence and community development, fostering a sustainable business model that benefits their clients and the socio-economic growth of the country. With positive reviews on platforms like Indeed, Telework PH is recognized for its supportive work environment.

Image annotation is a critical component in the development of accurate machine learning models, impacting industries that rely on precise visual data interpretation. High-quality image annotations empower AI systems to function effectively in various sectors, including healthcare, automotive, retail, and security.

HabileData stands out as a leading image labelling company, consistently delivering top-notch annotations, and utilizing cutting-edge technology. Their contributions significantly enhance AI advancements and the reliability of countless applications that influence our lives and industries.

The future of AI innovation will increasingly depend on partnerships with expert image annotation companies like HabileData. Their expertise will be crucial in refining AI technologies and ensuring their successful implementation across various sectors.

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