Text Data Collection Services for AI Training

Image

We source, curate, and deliver high-quality text datasets that form the foundation of language models, NLP systems, and document AI. From large-scale web corpora and domain-specific document collections to human-written prompt-response pairs and multilingual content — our text data collection service is built for teams that refuse to compromise on data quality.

Get started View cases
25+ crowdsourcing platforms
30+ industries

Our Expertise

Image

Web & open-source corpora

Curated and filtered web crawl data, Wikipedia extracts, Common Crawl subsets, and open-domain text processed for deduplication, quality scoring, and toxicity filtering.

Industry use cases

  • LLM pre-training
  • language model fine-tuning
  • general-purpose NLP benchmarking
01
Image

Domain-specific documents

Technical manuals, legal contracts, financial filings, medical literature, scientific papers, and industry-specific documentation sourced under license or via direct partnerships.

Industry use cases

  • domain-adapted LLMs
  • contract analysis AI
  • clinical NLP
  • financial document understanding
02
Image

Prompt & response datasets

Human-written instruction-following pairs, question-answer sets, task demonstrations, and preference comparison data (chosen vs. rejected) for RLHF and instruction tuning.

Industry use cases

  • instruction-tuned LLMs
  • RLHF pipelines
  • chatbot fine-tuning
  • evaluation benchmarks
03
Image

Conversational & dialogue data

Multi-turn dialogue transcripts, customer service chat logs, forum threads, and task-oriented conversations with speaker role annotations.

Industry use cases

  • conversational AI
  • dialogue state tracking
  • chatbot training
  • customer support automation
04
Image

Multilingual & low-resource text

Native-speaker-authored or professionally translated content in any target language, including low-resource languages underrepresented in public datasets.

Industry use cases

  • multilingual NLP models
  • cross-lingual transfer learning
  • machine translation training
  • global product localization
05
Image

Synthetic & augmented text

AI-assisted text generation, paraphrasing, back-translation, and data augmentation pipelines to extend dataset coverage for rare categories, edge cases, or privacy-sensitive domains.

Industry use cases

  • data augmentation for low-resource tasks
  • adversarial robustness testing
  • synthetic preference data generation
06
Image

Annotated & labeled text

Raw text enriched with NER tags, sentiment labels, intent classifications, coreference chains, dependency parses, or custom annotation schemas.

Industry use cases

  • named entity recognition, intent detection
  • text classification
  • information extraction
  • semantic parsing
07

Text Data Collection Methods

Web crawling & extraction

Custom crawlers collect and filter text from targeted domains, applying deduplication, language identification, quality scoring, and PII redaction at pipeline level.

Crowdsourced writing tasks

Contributors author original text, write prompts and responses, complete dialogue turns, or rate and rank outputs according to detailed task guidelines.

Expert authoring

Domain specialists — lawyers, clinicians, engineers, scientists — produce or review text requiring subject-matter accuracy and professional register.

Data licensing & partnership

Access to licensed corpora, news archives, publishing catalogs, and enterprise document collections through vetted data provider partnerships.

Annotation campaigns

Trained annotators apply classification labels, span annotations, preference ratings, and structured markup to raw text using calibrated guidelines and multi-stage QA.

Text Data Collection Platforms and Tools

Image

Crawling & extraction

Scrapy, Playwright, Apache Nutch, custom domain-focused crawl infrastructure
Image

Quality filtering

fastText (language ID), KenLM (perplexity scoring), custom deduplication (MinHash, exact-match), PII detection pipelines
Image

Annotation platforms

Label Studio, Prodigy, Doccano, Scale AI; proprietary RLHF preference annotation interface
Image

Crowdsourcing

Appen, proprietary contributor platform with task routing and quality gating
Image

Storage & delivery

Plain text, JSONL, Parquet, HuggingFace Datasets format, or any custom schema; UTF-8 with full Unicode support across all scripts

Project Steps

01 Discovery & requirements scoping
We define domain coverage, language targets, content type, annotation schema, volume, and quality thresholds. Licensing, consent, and data provenance requirements are documented and agreed upfront.
02 Data strategy & source mapping
We identify the best mix of crawled, authored, licensed, and synthetic text to meet your coverage requirements, and design a sampling plan that ensures topical, stylistic, and linguistic diversity.
03 Pilot collection & annotation review
A sample batch is collected, processed, and annotated. Quality metrics — annotation accuracy, text quality scores, label distribution balance — are reviewed with your team before scaling.
04 Full-scale collection & annotation
Production pipelines run across all source channels. Annotation campaigns run in parallel, with daily monitoring of output volume, label accuracy, and inter-annotator agreement scores.
05 Quality assurance
Automated quality filters (deduplication, perplexity, PII scan, language verification) run alongside human expert review. Edge cases and low-confidence labels are escalated for adjudication.
06 Delivery & ongoing support
Datasets are delivered in your preferred format with full metadata — source, language, domain, annotation labels, and provenance records. We support iterative dataset extension, targeted gap-filling batches, and long-term content partnership agreements.

Frequently Asked Questions

From which data sources can you collect information?
We collect data from a wide range of legally compliant sources, including online platforms, crowdsourcing networks, direct participants, open datasets, and custom collection campaigns. All information is sourced in accordance with applicable laws and platform policies.

Ready to get started?

Tell us what you need — we’ll reply within 24h with a free estimate

    What service are you looking for? *
    What service are you looking for?
    Data Labeling
    AI Model Testing
    Data Collection
    Ready-made Datasets
    Human Moderation
    Medicine
    Other
    What's your budget range? *
    What's your budget range?
    < $5,000
    $5,000 – $25,000
    $25,000 – $50,000
    $50,000 – $100,000
    $100,000+
    Not sure yet
    • United States+1
    • United Kingdom+44
    • Afghanistan (‫افغانستان‬‎)+93
    • Albania (Shqipëri)+355
    • Algeria (‫الجزائر‬‎)+213
    • American Samoa+1684
    • Andorra+376
    • Angola+244
    • Anguilla+1264
    • Antigua and Barbuda+1268
    • Argentina+54
    • Armenia (Հայաստան)+374
    • Aruba+297
    • Australia+61
    • Austria (Österreich)+43
    • Azerbaijan (Azərbaycan)+994
    • Bahamas+1242
    • Bahrain (‫البحرين‬‎)+973
    • Bangladesh (বাংলাদেশ)+880
    • Barbados+1246
    • Belarus (Беларусь)+375
    • Belgium (België)+32
    • Belize+501
    • Benin (Bénin)+229
    • Bermuda+1441
    • Bhutan (འབྲུག)+975
    • Bolivia+591
    • Bosnia and Herzegovina (Босна и Херцеговина)+387
    • Botswana+267
    • Brazil (Brasil)+55
    • British Indian Ocean Territory+246
    • British Virgin Islands+1284
    • Brunei+673
    • Bulgaria (България)+359
    • Burkina Faso+226
    • Burundi (Uburundi)+257
    • Cambodia (កម្ពុជា)+855
    • Cameroon (Cameroun)+237
    • Canada+1
    • Cape Verde (Kabu Verdi)+238
    • Caribbean Netherlands+599
    • Cayman Islands+1345
    • Central African Republic (République centrafricaine)+236
    • Chad (Tchad)+235
    • Chile+56
    • China (中国)+86
    • Christmas Island+61
    • Cocos (Keeling) Islands+61
    • Colombia+57
    • Comoros (‫جزر القمر‬‎)+269
    • Congo (DRC) (Jamhuri ya Kidemokrasia ya Kongo)+243
    • Congo (Republic) (Congo-Brazzaville)+242
    • Cook Islands+682
    • Costa Rica+506
    • Côte d’Ivoire+225
    • Croatia (Hrvatska)+385
    • Cuba+53
    • Curaçao+599
    • Cyprus (Κύπρος)+357
    • Czech Republic (Česká republika)+420
    • Denmark (Danmark)+45
    • Djibouti+253
    • Dominica+1767
    • Dominican Republic (República Dominicana)+1
    • Ecuador+593
    • Egypt (‫مصر‬‎)+20
    • El Salvador+503
    • Equatorial Guinea (Guinea Ecuatorial)+240
    • Eritrea+291
    • Estonia (Eesti)+372
    • Ethiopia+251
    • Falkland Islands (Islas Malvinas)+500
    • Faroe Islands (Føroyar)+298
    • Fiji+679
    • Finland (Suomi)+358
    • France+33
    • French Guiana (Guyane française)+594
    • French Polynesia (Polynésie française)+689
    • Gabon+241
    • Gambia+220
    • Georgia (საქართველო)+995
    • Germany (Deutschland)+49
    • Ghana (Gaana)+233
    • Gibraltar+350
    • Greece (Ελλάδα)+30
    • Greenland (Kalaallit Nunaat)+299
    • Grenada+1473
    • Guadeloupe+590
    • Guam+1671
    • Guatemala+502
    • Guernsey+44
    • Guinea (Guinée)+224
    • Guinea-Bissau (Guiné Bissau)+245
    • Guyana+592
    • Haiti+509
    • Honduras+504
    • Hong Kong (香港)+852
    • Hungary (Magyarország)+36
    • Iceland (Ísland)+354
    • India (भारत)+91
    • Indonesia+62
    • Iran (‫ایران‬‎)+98
    • Iraq (‫العراق‬‎)+964
    • Ireland+353
    • Isle of Man+44
    • Israel (‫ישראל‬‎)+972
    • Italy (Italia)+39
    • Jamaica+1876
    • Japan (日本)+81
    • Jersey+44
    • Jordan (‫الأردن‬‎)+962
    • Kazakhstan (Казахстан)+7
    • Kenya+254
    • Kiribati+686
    • Kosovo+383
    • Kuwait (‫الكويت‬‎)+965
    • Kyrgyzstan (Кыргызстан)+996
    • Laos (ລາວ)+856
    • Latvia (Latvija)+371
    • Lebanon (‫لبنان‬‎)+961
    • Lesotho+266
    • Liberia+231
    • Libya (‫ليبيا‬‎)+218
    • Liechtenstein+423
    • Lithuania (Lietuva)+370
    • Luxembourg+352
    • Macau (澳門)+853
    • Macedonia (FYROM) (Македонија)+389
    • Madagascar (Madagasikara)+261
    • Malawi+265
    • Malaysia+60
    • Maldives+960
    • Mali+223
    • Malta+356
    • Marshall Islands+692
    • Martinique+596
    • Mauritania (‫موريتانيا‬‎)+222
    • Mauritius (Moris)+230
    • Mayotte+262
    • Mexico (México)+52
    • Micronesia+691
    • Moldova (Republica Moldova)+373
    • Monaco+377
    • Mongolia (Монгол)+976
    • Montenegro (Crna Gora)+382
    • Montserrat+1664
    • Morocco (‫المغرب‬‎)+212
    • Mozambique (Moçambique)+258
    • Myanmar (Burma) (မြန်မာ)+95
    • Namibia (Namibië)+264
    • Nauru+674
    • Nepal (नेपाल)+977
    • Netherlands (Nederland)+31
    • New Caledonia (Nouvelle-Calédonie)+687
    • New Zealand+64
    • Nicaragua+505
    • Niger (Nijar)+227
    • Nigeria+234
    • Niue+683
    • Norfolk Island+672
    • North Korea (조선 민주주의 인민 공화국)+850
    • Northern Mariana Islands+1670
    • Norway (Norge)+47
    • Oman (‫عُمان‬‎)+968
    • Pakistan (‫پاکستان‬‎)+92
    • Palau+680
    • Palestine (‫فلسطين‬‎)+970
    • Panama (Panamá)+507
    • Papua New Guinea+675
    • Paraguay+595
    • Peru (Perú)+51
    • Philippines+63
    • Poland (Polska)+48
    • Portugal+351
    • Puerto Rico+1
    • Qatar (‫قطر‬‎)+974
    • Réunion (La Réunion)+262
    • Romania (România)+40
    • Russia (Россия)+7
    • Rwanda+250
    • Saint Barthélemy+590
    • Saint Helena+290
    • Saint Kitts and Nevis+1869
    • Saint Lucia+1758
    • Saint Martin (Saint-Martin (partie française))+590
    • Saint Pierre and Miquelon (Saint-Pierre-et-Miquelon)+508
    • Saint Vincent and the Grenadines+1784
    • Samoa+685
    • San Marino+378
    • São Tomé and Príncipe (São Tomé e Príncipe)+239
    • Saudi Arabia (‫المملكة العربية السعودية‬‎)+966
    • Senegal (Sénégal)+221
    • Serbia (Србија)+381
    • Seychelles+248
    • Sierra Leone+232
    • Singapore+65
    • Sint Maarten+1721
    • Slovakia (Slovensko)+421
    • Slovenia (Slovenija)+386
    • Solomon Islands+677
    • Somalia (Soomaaliya)+252
    • South Africa+27
    • South Korea (대한민국)+82
    • South Sudan (‫جنوب السودان‬‎)+211
    • Spain (España)+34
    • Sri Lanka (ශ්‍රී ලංකාව)+94
    • Sudan (‫السودان‬‎)+249
    • Suriname+597
    • Svalbard and Jan Mayen+47
    • Swaziland+268
    • Sweden (Sverige)+46
    • Switzerland (Schweiz)+41
    • Syria (‫سوريا‬‎)+963
    • Taiwan (台灣)+886
    • Tajikistan+992
    • Tanzania+255
    • Thailand (ไทย)+66
    • Timor-Leste+670
    • Togo+228
    • Tokelau+690
    • Tonga+676
    • Trinidad and Tobago+1868
    • Tunisia (‫تونس‬‎)+216
    • Turkey (Türkiye)+90
    • Turkmenistan+993
    • Turks and Caicos Islands+1649
    • Tuvalu+688
    • U.S. Virgin Islands+1340
    • Uganda+256
    • Ukraine (Україна)+380
    • United Arab Emirates (‫الإمارات العربية المتحدة‬‎)+971
    • United Kingdom+44
    • United States+1
    • Uruguay+598
    • Uzbekistan (Oʻzbekiston)+998
    • Vanuatu+678
    • Vatican City (Città del Vaticano)+39
    • Venezuela+58
    • Vietnam (Việt Nam)+84
    • Wallis and Futuna (Wallis-et-Futuna)+681
    • Western Sahara (‫الصحراء الغربية‬‎)+212
    • Yemen (‫اليمن‬‎)+967
    • Zambia+260
    • Zimbabwe+263
    • Åland Islands+358
    Where did you hear about Unidata? *
    Where did you hear about Unidata?
    Andrew
    Head of Client Success

    — I'll guide you through every step, from your first
    message to full project delivery

    Thank you for your
    message

    It has been successfully sent!

    We use cookies to enhance your experience, personalize content, ads, and analyze traffic. By clicking 'Accept All', you agree to our Cookie Policy.