Trusted Data Service Provider

2D Bounding Box Annotation Service: Precise Object Detection for AI & Machine Learning

At Kotwel, we offer high-quality 2D bounding box annotation services for a wide range of industries, including autonomous vehicles, robotics, healthcare, retail, and eCommerce. Our team of dedicated annotators sure can annotate images and videos accurately and consistently with bounding box annotation techniques.

Skillful and well-trained annotators

Strict quality control procedure

Data privacy and security assurance

Various Applications of 2D Bounding Boxes Annotation

2D bounding boxes are one of the most commonly used tools for annotation in the field of computer vision. There are a variety of ways in which they can be used, and below are just a few examples.

Bounding Box Annotation Kotwel

Object Localization for Autonomous Vehicles

Bounding Box Annotation Service - Retail, Ecommerce

Object Detection for Online Retail or E-Commerce

Bounding Box Annotation Service for Insurance Claims

Vehicle Damage Detection for Insurance Claims

Bounding Box Annotation Service for Drones, Satellite images

Drone and Robotics Imagery

Aim To Innovate


Your Reliable Partner for Bounding Box Annotation Services

Find out how we can help accelerate your AI projects

Quality is our top priority

Excellence remains the prime focus of our dedicated team. We follow a strict quality process to ensure no compromise with quality at any level.

We offer image annotation services with a stellar workforce and well-equipped infrastructure to implement a large scale image annotation project in a limited timeframe.

Quality Assurance

QC team to ensure the quality

Full Support

Quick response and regular updates


Scalable workforce on demand

Competent Annotators

Kotwel's annotation team is well-trained so that they are able to work perfectly with a wide range of annotation methods and types.

Our annotators are so well-treated that they are willing to go the extra mile to deliver the best quality of annotation.

Image Annotation Service 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!

Pham Long
Data Annotator 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.

Thai Huong
Data Annotator at Kotwel

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

Hoang Bach
Data Annotator at Kotwel

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 want to ensure your satisfaction with our delivery. We are willing to continue support you even after the project is completed.

Our Clients Trust Us

Client Testimonials

How clients talk about their experience with Kotwel


Anthony J.

Publishing Firm

Top in every way, responsiveness, customer relationship and translation. I definitely contact Kotwel again for upcoming projects.


Chris H.

Technology Firm

If I could describe Kotwel services in only three words, they would be: excellent, speedy & productive.

Ye-jun K.

Ye-jun K.

Healthcare Firm

Kotwel really adapted to our needs. They understood what we were looking for, and offered us unique and appropriate solutions.

Hoang T.

Hoang T.

Manpower Firm

Our company used Kotwel’s data entry service and some other works. They delivered high-quality results, very satisfying. The project coordinator was very enthusiastic, helpful and professional. 5 stars for fantastic service.

Drive your projects forward faster with less efforts?

Frequently Asked Questions (FAQs)

Top Questions We Get Asked Most Often About Bounding Box Annotation

FAQ Data Annotation

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