NDPC REGISTERED · REG. NO. 9669677

Production-grade Nigerian speech data, collected with consent, verified by native linguists.

BSG DataWorks supplies human-sourced audio, transcription, and language datasets for ASR, TTS, and LLM builders — Nigerian-accented English, Yorùbá, Igbo, Hausa, Nigerian Pidgin, and rare languages no one else covers.

Request the sample pack View specifications
Language coverage

Three tiers. No ambiguity about what ships today.

AVAILABLE NOW
Nigerian-accented English · Yorùbá
Scripted & spontaneous speech, voice-over, aligned transcripts, speaker metadata
Growing multi-speaker corpora — current totals shared in the sample pack
IN PIPELINE
Igbo · Hausa · Nigerian Pidgin
Speech with time-aligned transcription; collection under way
Early access & pre-orders welcome — shape the spec with us
ON COMMISSION
Kanuri · Efik · other minority Nigerian languages
Bespoke collection to your specification through our native-speaker networks
Languages absent from every major open dataset — our differentiator
Specifications & quality

What every delivery looks like.

Technical specifications

  • Audio: WAV, 16 kHz (48 kHz studio option), mono, 16-bit PCM
  • Transcripts: verbatim, time-aligned · JSON / TXT / CSV
  • Metadata: speaker age band, gender, region, first language, recording device
  • On request: TTS-grade single-speaker studio corpora

Quality assurance

  • Native-speaker linguists review 100% of transcriptions
  • Inter-annotator agreement ≥ 80%, reported per batch
  • Audio QC: SNR screening, clipping & duplicate detection
  • Free re-delivery on any batch failing agreed QA thresholds

Delivery & SLA

  • Secure S3 bucket or client-specified transfer
  • Catalog licensing: delivery within 5 business days of agreement
  • Bespoke collection: agreed milestone schedule, weekly progress reporting
  • Accuracy commitments defined in each statement of work

Licensing

  • Exclusive or non-exclusive commercial licenses
  • Rights cover commercial use, sublicensing, and AI/ML training
  • Custom terms for enterprise and consortium buyers
  • Full documentation pack accompanies every license
Compliance

Built for your legal team, not just your ML team.

  • Registered with the Nigeria Data Protection Commission (NDPC)
  • Compliant with the Nigeria Data Protection Act 2023 and NDPC GAID 2025
  • Written, informed speaker consent covering commercial use, sublicensing, and AI training
  • Full data-provenance and consent audit trail available to client compliance teams
  • Voice recordings handled as biometric data with corresponding safeguards
  • Contractual prohibition on speaker re-identification by buyers
NDPC Registration No. 9669677 — certificate available on request
Samples

Hear it before you buy it.

Our sample pack includes representative audio in Nigerian-accented English and Yorùbá, matching time-aligned transcripts, and a redacted speaker consent form — so your team can evaluate audio quality, transcription accuracy, and our compliance documentation in one download.

Download sample pack
Services

What we do.

Corpus licensing

Off-the-shelf, commercially licensed Nigerian speech corpora, delivered in days.

Bespoke collection

Speech collected to your exact specification — languages, domains, demographics, devices.

Transcription & annotation

Time-aligned transcription and labeling across Nigerian languages, English, German, and French.

Domain-specific data

Healthcare, finance, legal, and customer-service speech with the vocabulary your model needs.

TTS voice recording

Studio-grade single-speaker corpora with full voice-talent rights clearance.

About

Who you're dealing with.

Olayemi Olabenjo

Managing Consultant

A pioneer of the Nigerian language-services industry, Olayemi has delivered Nigerian language services since 2005 — more than two decades spent managing translation, transcription, and linguist networks spanning multiple continents, with hands-on experience in speech data collection, annotation, and classification. BSG DataWorks applies that linguistic quality discipline to AI training data: every dataset is built and reviewed by native speakers, and every speaker is a documented, consenting contributor.

Tell us what your model needs to hear.

Send us your target languages, domains, and volumes — we'll reply with availability, timelines, and the sample pack.

Email BSG DataWorks
Privacy Policy

Overview

This Privacy Policy outlines how BSG DataWorks collects, uses, stores, and shares personal data from individuals who contribute voice recordings, audio files, video clips, or language data. We are committed to protecting your privacy and handling your data in compliance with the Nigeria Data Protection Act 2023 (NDPA 2023), the NDPC General Application and Implementation Directive (GAID) 2025, and other applicable international regulations like GDPR and PIPEDA.

Data We Collect

We collect Identity and Contact Data (name, email, phone, location, age, gender), Language and Speaker Profile Data, Contributed Content (voice/video recordings, scripts), Biometric Data (voice recordings), Financial Data (payment details), and Transaction and Consent Records.

How We Collect Data

Data is collected directly from you via consent forms, submission forms, WhatsApp, email, and uploaded recordings. We do not collect data from third parties.

Why We Process Your Data

We process your data for purposes such as registering you as a contributor, collecting and processing recordings, quality review, storing data, licensing recordings to AI buyers, processing payments, maintaining compliance records, and communicating with you. Our legal bases include consent, performance of contract, legitimate interests, and legal obligations.

How We Use Your Data

Your data is used for onboarding, task assignment, quality review, secure storage, inclusion in commercial AI training datasets, licensing to AI companies, payment processing, and responding to data subject requests. We never use your data for purposes beyond those stated without your explicit consent.

Who We Share Your Data With

We share approved voice/video recordings (without personal contact details) with dataset buyers, who are contractually bound to prohibit re-identification. We also share data with service providers like Google, Filen.io, Proton Drive, and payment platforms. Regulatory authorities may also receive data for compliance. We do not sell personal contact details or share data with advertisers.

International Data Transfers

Your data may be transferred internationally to dataset buyers or storage providers. All transfers comply with NDPA 2023 Part VIII, utilizing adequacy decisions, Standard Contractual Clauses, or our Data Buyer Agreement to ensure adequate data protection.

Data Retention

Voice/video recordings are retained indefinitely as part of licensed datasets. Personal contact data is retained for a specified period after your last interaction, and consent/payment records are kept for legal compliance. Data is securely deleted or anonymized after retention periods.

Your Data Subject Rights

Under NDPA 2023, you have rights including the right to be informed, access, rectification, erasure (for contact data), restrict processing, data portability, object, and withdraw consent. Requests can be made via email, and we will respond within 30 days. You can also lodge a complaint with the Nigeria Data Protection Commission (NDPC).

Data Protection

We implement robust technical and organizational measures to protect your data, including encrypted storage, restricted access, contractual prohibitions on re-identification by buyers, and secure data transmission. In case of a data breach, we will notify the NDPC and affected individuals as required by NDPA 2023.

Special Note on Biometric Data

Voice recordings, which may constitute biometric data, receive heightened protections. They are collected with explicit consent, stored encrypted, accessed only by authorized personnel, and used exclusively for AI training, with strict prohibitions against biometric profiling or identification.

Children and Minors

We do not knowingly collect data from individuals under 18 without explicit parental or guardian consent. Data collected without appropriate consent will be immediately deleted.

Automated Decision-Making

BSG DataWorks does not use automated decision-making that produces legal or similarly significant effects. Human review is involved in quality assessment, and you have the right to request human intervention.

Governing Law and Regulatory Jurisdiction

Our primary governing law is the Nigeria Data Protection Act 2023 (NDPA 2023) and the NDPC General Application and Implementation Directive (GAID) 2025. GDPR and Canadian PIPEDA apply where relevant. The Nigeria Data Protection Commission (NDPC) is our regulatory body.

Updates to This Policy

This policy may be updated to reflect changes in practices or law. Active contributors will be notified, and significant changes will require fresh consent. The 'Last Reviewed' date will be updated accordingly.

Contact Us for Privacy Concerns

Email: dataservices@bilingualsolutiongenius.com | Subject: 'NDPA Privacy Enquiry'
Phone/WhatsApp: +234 8067904903
Address: Nigeria