Helping AI agencies to overcome automated annotation tool limitations and provide accurate text data labelling.
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Text annotation is a process of labeling textual data to train machine learning and NLP models. It involves identifying and tagging linguistic elements such as entities, intent, sentiment, syntax, and relationships within text. Annotated text data allows AI systems to interpret language, context, and meaning more effectively. High-quality text annotation is the foundation of accurate and reliable Natural Language Processing (NLP) and AI models.
Our Text Annotation Services help organizations transform unstructured text data into structured, labeled datasets that enable machines to understand human language with precision. From sentiment analysis to named entity recognition, our text data labeling services professionals deliver scalable, secure, and human-in-the-loop text annotation solutions tailored to your AI goals. Our HITL support helps to bridge the gap between raw human language and machine intelligence.
From training sophisticated LLMs to building niche sentiment analysis tools, our domain-expert annotators deliver the structured data you need to scale. To deliver you highly accurate labels for complex, technical jargon, we have highly experienced text annotators or text data labeling experts. Also, we have capacity to handle millions of data points weekly. We offer a comprehensive suite of labeling techniques tailored to your specific project requirements:
Identify and label entities such as names, locations, organizations, dates, etc. to improve information extraction and search relevance.
Classify text based on sentiment (positive, negative, neutral) or emotional tone to support brand monitoring and social media insights.
Annotate user intent in queries, chats, or voice transcripts to enhance chatbots, virtual assistants, and conversational AI systems.
Label grammatical elements like nouns, verbs, adjectives, and adverbs to improve language understanding and syntactic analysis.
Organize text into predefined categories for document classification, content moderation, and topic modeling.
Annotate relationships between words, phrases, or entities to enable deeper contextual and semantic understanding.
Tag relevant keywords and topics to support recommendation engines, search optimization, and content discovery.
Condensing long documents into short versions, highlighting key points and converting text from one language to another.
Fast-track your AI production by hiring part-time or full-time virtual assistant for text annotation and text data labeling processes.
100% free customer success manager, skilled data annotators, 65% cost reduction, superfast training with video calling apps, and more.
The text annotation requires linguistic expertise and contextual understanding that automated tools alone cannot deliver. By outsourcing text data labeling services to us you get access to trained annotators with experience in NLP tasks such as sentiment analysis, named entity recognition, intent classification, and semantic labeling—ensuring high-quality results. Here is a breakdown of why organizations choose us to outsource text data labeling services:
Our text annotation services experts can easily adapt to changing project sizes. Whether you need to annotate thousands or millions of text records, we can scale resources instantly to meet your deadlines.
We offer annotators trained in specialized domains such as healthcare, finance, legal, e-commerce, and technology. This ensures compliance, terminology accuracy, and domain relevance.
At DOI, our text data labeling services professionals can follow your existing annotation guidelines or help design custom labeling schemas tailored to your AI use case and model objectives.
By outsourcing text data labelling services to us, you can minimize operational risks by leveraging proven annotation processes, inter-annotator agreement checks, and continuous quality monitoring.
You can save cost of licensing or developing your own annotation software, by outsourcing text annotation services to us. We use (or build) advanced tools that support complex schemas.
Building and maintaining an in-house annotation team involves recruitment, training, infrastructure, and management costs. With DOI, you can convert fixed costs into flexible operational expenses.
Our skilled text annotation professionals use optimized workflows and parallel processing to deliver large volumes of annotated text quickly. This accelerates AI model training and reduces time-to-market. By outsourcing text annotation and text labeling to us, your internal teams can focus on core activities like model development, product innovation, and business strategy. We use specific workflows that are hard to replicate casually such as consensus scoring and gold standard tests.
As a leading text annotation company in India, we combine human expertise with AI-assisted tools and multi-level quality checks. This human-in-the-loop approach improves annotation accuracy, consistency, and contextual relevance. Here are some of the key benefits of Human-in-the-Loop text annotation:
Handling Ambiguous & Edge Cases
Continuous Model Improvement
Reduced Bias & Error Detection
Higher Consistency Through Quality Control
Faster Scaling with Controlled Quality
Adaptability to Changing Requirements
Better Handling of Multilingual Data
Human-in-the-Loop (HITL) plays a critical role in ensuring accuracy, reliability, and scalability in text annotation, especially for complex Natural Language Processing (NLP) tasks. Multi-level human reviews, inter-annotator agreement checks, and guideline enforcement improve consistency across large-scale text datasets.
Prepare detailed project instructions and send us. We will schedule a web meeting to understand your expectations and exact needs.
In web meeting, we will discuss deadlines, business terms, and pricing. After getting your final consent and signing NDA. The team will execute a free trial (if applicable).
After getting feedback from you on trial and signing SLA, we will commence execution officially. A dedicated project manager will be in touch with you for reporting project status, prioritising the tasks, discussing queries, and scheduling timely deliveries.
The quality of your work is outstanding and so are your workers in our project. The team is knowledgeable about the process and performing all the steps carefully as per the guidelines.
United States
Data Outsourcing India has helped my business by offering reliable, organized and accurate QuickBooks data entry services. They are very knowledgeable and proactive.
United States
I found team very impressive and extremely responsive. We are enjoying working with our offshore employees and their management team at DOI. Friendly, fantastic and flexible!
Canada
Data Outsourcing India can be blindly trusted when it comes to hire offshore dedicated team. I have been in business with them from last 6 years and quite happy with my decision.
Canada
I am impressed with your organization. Instead of sending me too many emails like your competitors, you are arranging a zoom call for discussing my requirements. Awesome!
United Kingdom
I've had the best experience so far of hiring offshore dedicated team after multiple tries. All team members are genuine personality and have willingness to learn.
United States
Explore answers to frequently asked questions.
Our text data labeling services experts can annotate a wide range of text data, including emails, chat conversations, customer reviews, social media posts, documents, medical records, legal text, call center transcripts, and more.
Yes, the expertise of our text data labeling professionals allows us to offer multilingual and regional language text annotation services, including support for dialects, slang, and culturally specific expressions.
We deliver annotated text data in various formats such as JSON, XML, CSV, CoNLL, or any custom format required for your machine learning pipeline. If you have any specific requirement, please discuss in-detail.
We have been providing text annotation outsourcing solutions to worldwide clients. Our clients spread in countries like USA, UAE, UK, Canada, Germany, Russia, France, Spain, Australia, Brazil, New Zealand, etc.
The turnaround time depends on dataset size, complexity, and annotation type. However, our optimized workflows enable faster delivery without compromising quality. We have skilled and dedicated teams to faster turnaround time.
Ambiguous and edge-case text is reviewed by senior annotators or subject-matter experts to ensure correct and consistent labeling. We strictly follow inter-annotator agreement checks and multi-level QA processes.
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