Language solutions provider

About Us

Kieli supply supports through localization, internationalization, translation, transcription, voiceover and AI training data services, helping UK businesses build a data refinery platform for machine learning and artificial intelligence.

Kieli translate, transcribe, labels and categorise large set of data including but not limited images, text, speech, audio, video, and other data used to improve the world’s most innovative artificial intelligence systems. We can label each data or annotate different types of objects like cars, human, animals or trees etc. using the various modes of annotation as per the client’s needs.

Our Services

Speech Data

We train speech data models in Arabic, English, French and Finnish languages. Our expertise includes personal virtual assistants, vehicle infotainment assistants and IVR systems for call centres.

Language Service

We help Businesses succeed globally solving complex issues regarding language, content, authoring, language expansion, making software relevant to global customers.

Text Data

We annotate, categorise and classify language data, examine written communications to draw meaning out of texts, find patterns and topics of interest and check their relationship.

Why Us


Our multiple quality control methods meet the quality standards for training data. We eliminate unusable, duplicate data to keep accuracy and consistency.


With over 10 years of expertise delivering localisation globally, we offer a range of services that give you the confidence to deploy your programs at scale.


Our skilled project managers use multiple quality control methods and mechanisms to meet and exceed quality standards for training data.

Our Approach

We can work with your team to understand your unique objectives and help you develop the appropriate datasets, taxonomies, grammars, lexicons or rules to improve the accuracy of your language technology solutions and support the needs of your target users or customers.

Our Team



Language specialist working with technology companies helping with software localization, data analysis and quality assurance.

Global Partners

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Company Registered in England & Wales No. 10056128

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