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Data Quality

Nexdata has a comprehensive data quality management system to supervise the smooth implementation of the project, and ensure the results meet the customer's requirements.

Quality Management Certification

Nexdata has obtained ISO9001 quality management certification and ensures data quality through three rounds of quality assurance. At Nexdata, ensuring data quality is our top priority. Our mission is to elevate customers' models with high-quality data.

Multi-level Quality Inspections

Data Security

Nexdata prioritizes data security with dedicated data protection specialist and extensive confidentiality experience in site safety implementation.

Information Security

Management System Certification

Nexdata has a complete data security management system, such as data security officer system, data business security specification, data security system self-assessment system, data security accident emergency plan, information security confidentiality system, etc. and has obtained ISO27701 and ISO27001 certification.

Personnel Security Management

Pre-employment security measures
Pre-employment security measures
Confidentiality measures during service
Confidentiality measures during service
Post-employment confidentiality
Post-employment confidentiality

Physical Security Assurance


We implement secure access controls via a license-based system and a human identification system to track and trace all entries and exits.

High-level confidential locations are monitored 24 hours a day.

All hardware devices have no external interfaces and can only log in to the labeling platform through the network.


Personnel undergo confidentiality training and sign confidentiality agreements.

All electronic devices (except mobile phones) must be stored in designated locations and cell phone cameras sealed.

Personal matters should be handled in designated areas outside the venue during working hours. During working hours, employees are generally not allowed to leave the office area except during lunch breaks.

Physical Security Assurance

Nexdata ensures data security from technical perspective, such as resource file URL encryption, anti-hotlink technology, anti-crawling technology, resource file security encryption, interference with illegal copying of voice files, data collection security, business logic security, identity authentication, access control, etc.

Why Nexdata

One-stop Data Service

One-stop Data Service

Rich Off-the-shelf datasets, personalized
data customization services, AI assisted
data labeling tools, and one-stop solutions
to AI data problems.

Quality Management System

Quality Management System

We ensure High quality data through
intelligent self-inspection, multiple rounds
of quality inspection, and ISO9001 quality
management certification.

Rich Annotation Tools

Rich Annotation Tools

30 proven annotation tools for full coverage of
voice, image video, 3D point cloud and text
data annotation requirements.

Security and Compliance

Security and Compliance

It has passed ISO27001/ISO27701 information
security and privacy protection certification,
and complies with the Personal Information
Protection Law and GDPR.

AI-assisted Pre-recognition

AI-assisted Pre-recognition

AI-assisted pre-identification enables
human-computer interaction for
semi-automatic labeling, increasing
annotator efficiency by over 30%.

Sharpen Your AI with Better Data