AI Data Annotation Services

At Technolex Translation Studio, we provide professional Ukrainian data annotation services for AI companies, machine learning teams, and enterprise clients worldwide. We help businesses create accurate Ukrainian training data and high-quality AI datasets for natural language processing, speech recognition, generative AI, OCR systems, computer vision, and content moderation platforms.

Our data annotation machine learning services cover text annotation, image annotation, and linguistic annotation. Every project is handled by native Ukrainian linguists, experienced annotators, and QA managers who ensure high data quality through expert human annotation. As a reliable data annotation service provider, Technolex is your trusted partner for scalable AI training data annotation and precise AI data labeling.

Our clients we may speak about

Why Choose Our AI Data Annotation Services

Experience
Every year, we process and annotate millions of words, audio segments, and language data units in Ukrainian. Our teams support AI training, speech recognition, NLP, OCR, and machine learning projects requiring consistent, large-scale Ukrainian linguistic expertise.
Quality
High-quality annotation requires much more than clicking labels in an interface. How many vendors use trained native Ukrainian linguists instead of anonymous crowd workers? How many perform multi-level QA checks and validate annotation consistency before delivery?
Competitive pricing
Being based in Ukraine allows us to offer highly competitive pricing compared to many Western annotation providers while maintaining professional linguistic quality and enterprise-level project coordination.
Reputation
Our Ukrainian language expertise is trusted by international companies, localization vendors, and technology providers. We understand real-world Ukrainian usage across software, media, technical documentation, customer communication, and digital platforms.
Responsiveness and reliability
AI and machine learning projects often involve tight deadlines and rapidly changing requirements. We respond quickly, scale production efficiently, and maintain clear communication throughout the project lifecycle.
Data security & confidentiality
Many AI datasets contain sensitive business, legal, healthcare, or user-generated information. We work under strict confidentiality agreements and secure workflows to protect your data at every stage of the annotation process.

How Our AI Data Annotation Process Works

You send your request via this form or email
Quick response
We get back to you within 30 minutes during working hours with a price quote or any clarifying questions.
Project kickoff
Once everything is clear and you give us the green light, we start your translation project immediately.
Dedicated management
A project manager is assigned to oversee your project, ensuring quality control and on-time delivery.
Delivery and confirmation
We deliver the final translation, and you confirm your satisfaction.

Feedback from partners

Technolex Translation Studio has been our reliable partner for years. During that period the translators of this company have completed lots of diverse translation projects, including complicated technical texts. I would particularly like to acknowledge the efficiency of the team, since delivery of translations was always done on time or even ahead of the schedule.

Iryna Savvina
Marketing DirectorLLC "Falcon-AUTO"(Kia Motors Distributor in Ukraine)
www.falconauto.com.ua

Many years of cooperation between Gorenie and Technolex is a main proof, that we chose the right translation services provider.

Irina Solomykyna
Marketing Director, Gorenje, Ukraine
www.gorenje.ua

“When ordering translations from Technolex Translation Studio I can always be sure to receive not only the best service, but also the highest quality delivered on time, or in most cases even way ahead of the deadline. Simply put, they are every manager’s dream vendor and I’m happy to work with them.”.

Ekaterina Golubtsova
Localization Project Manager at ZEO Alliance
www.zeoalliance.com

“I’m glad that Technolex is among the many companies that I’ve had the chance to work with. Working with them is very predictable. The translations are done how we need them: quickly and always with high quality”.

Denis Razumtsev
Acting General Manager General Auto Group
www.opelukraine.com

“I have been working with Vladislav from Technolex Translation Studio for many years and I am very happy to have them among other language providers. Cooperation-wise, I met them for the first time when working for the previous employer. I joined AVG in April 2011 and after a couple of months we did Localization Partner Selection process – I knew Technolex would be the first choice for Russian language services.

Petr Muzikar
localization manager avg technologies
www.avg.com

“I’ve been working with Vladimir from Technolex Translation Studio for several years now. He does the important work to localize our software and web site to Russian language. He’s always been quick to respond to task requests and questions, and more important, the quality of his work is exceptional. I look forward to continue the partnership with him for many years”.

Stefan Chekanov
Managing Director BrosiX
www.brosix.com

Faq

What AI data annotation services do you provide?
We offer end-to-end Ukrainian data annotation services and AI data labeling, including text categorization, sentiment analysis, object bounding box tagging, semantic segmentation, speech transcription, and audio classification tailored for NLP, computer vision, and speech recognition workflows.
What types of data can you annotate for AI and machine learning?
We annotate text, image, audio, and video datasets for machine learning models. Our team of native Ukrainian linguists and experienced annotators handles diverse formats ranging from unstructured text and documents to high-resolution imagery and multi-speaker audio recordings.
Do you provide human correction of AI-generated output?
Yes. We regularly validate and improve machine translation, speech recognition, chatbot responses, and other AI-generated content.
Can you process multilingual datasets?
Yes. We can work with Ukrainian combined with English, Russian, Polish, German, and many other languages.
How do you ensure the quality of annotated datasets?
We maintain high data quality through a multi-tier QA workflow that combines automated validation checks, peer reviews, and 100% human annotation oversight by native domain experts to deliver precise, enterprise-ready AI training data.