Trusted Data Service Provider

High-quality Data Labeling Services For AI & Machine Learning

Kotwel is a trustworthy data service provider, offering high-quality Data Labeling Service for Machine Learning and AI. At Kotwel, we can help you with data labeling tasks for text, audio, image and video datasets.

Experienced & Well-trained Labelers

Strict Quality Assurance Process

Rapid Turnaround Time

Data Labeling Services at Kotwel


Text Labeling

Speech Annotation Service Kotwel

Speech Labeling

Aim To Innovate


Your Trusted Data Labeling Service Provider for AI Breakthroughs

Find out how we can help accelerate your AI projects

Quality is our top priority

At Kotwel, we prioritize excellence and maintain a strict quality process to ensure that our services are of the highest quality at all levels.

Our data labeling services are powered by a highly skilled workforce and cutting-edge infrastructure, enabling us to efficiently handle large-scale projects within tight deadlines.

Quality Assurance

Dedicated and competent QC team

Full Support

Quick response & regular updates


Scalable workforce on demand

Competent Labelers

Kotwel's labeling team is highly skilled in working with various labeling methods and types.

Our labelers are committed to delivering top-quality labels and are willing to go above and beyond to ensure client satisfaction.

Image Annotation Service Kotwel
Huong Thai

Thai Huong

Data Labeler at Kotwel

Probably one of the best companies to work for. I feel that my voice is heard and my input is taken into consideration. The senior team is always approachable which is a huge plus as well.

Pham Long

Pham Long

Data Labeler at Kotwel

Never get late salary payment, they even pay me earlier than expected. My teammates are friendly, helpful and fun as hell. I feel so lucky to work for such a wonderful company!

Bach Hoang

Hoang Bach

Data Labeler at Kotwel

Transparent and conscientious company. Treats employees as assets. They truly care about their people.

Kotwel's Workflow

1. Project set-up

Our team will work with you to establish priorities and define deliverables. They'll work to develop a custom solution based on your project objectives and timeline.

2. Production

We start the project and keep you updated regularly on the progress. Our dedicated manager will be in contact to answer all your questions and assist you until the process is completed.

3. Delivery

Our project management team checks, packages and formats the deliverables before being sent to you for final approval.

4. Post-completion customer service

Our company wants to ensure your satisfaction with our delivery. We are willing to continue supporting you even after the project is completed.

Choose Kotwel, Choose

Data Labeling with Best Quality

Excellence is our top priority, and we are committed to providing our clients with exceptional quality services. To achieve this, our dedicated team follows a strict quality process that ensures there is no compromise with quality.

Rapid Turnaround Time

We offer data labeling services with a stellar workforce and well-equipped infrastructure to label data in a limited timeframe. This comes along with a scalable solution to handle data in bulk, ensuring quality outputs.

Comprehensive Data Security Measures

At Kotwel, we understand the importance of data security and the need for unique, high-end data. Therefore, we take every precaution to ensure that our clients' data is protected by comprehensive data security measures.

Competitive Pricing

Our data labeling services are priced competitively, depending on the complexity of the datasets, the turnaround time, and the type of service you require. We also offer discounts for bulk projects and long-term contracts.

Our Clients Trust Us

Client Testimonials

How clients talk about their experience with Kotwel


Michael T.

Technology Firm

As a company providing technology solutions, we rely heavily on accurate and well-annotated data to power our AI algorithms. That's why we feel so lucky to have found Kotwel as our trusted partner for data annotation services. 

Emilia J.

Emilia J.

Retail Firm

We have been using Kotwel's data annotation services to help us improve our product recommendations and optimize our inventory management. So far, so good!

Priya M

Priya M.

Logistics Firm

We just love working with Kotwel. It's such a relief to have found a partner that truly understands our requirements and delivers such precisely annotated data.

Tobias L

Tobias L.

Networking Firm

We couldn't be happier with the data annotation services provided by Kotwel. Thanks to their help, our NLP and computer vision algorithms are performing much better than ever before.

Drive your projects forward faster with less effort

Example Site - Frequently Asked Questions(FAQ)

Frequently Asked Questions (FAQs)

Top Questions We Get Asked Most Often About Data Labeling

FAQ Data Annotation

Have more questions? Please get in touch with us, we will gladly answer your questions.