Open Company Data in Taiwan: Official Sources, APIs and Reuse Rights

Taiwan has a serious official company-data ecosystem, but it should not be reduced to a simple list of companies. The right way to evaluate Taiwan is to start with the official register, then add open-data, statistics, procurement, intellectual-property and regulator layers.

The strongest route is data.gov.tw company-registration datasets, MOEA/GCIS company and business search services, the company-registration API, procurement open data, TIPO IP data, TWSE/MOPS disclosure data and Financial Supervisory Commission sources. That makes Taiwan a flagship Asia open-data and API-positive company-data market, but it does not remove the usual reuse checks: dataset terms, attribution, no-endorsement language, privacy, marketing-law boundaries and source freshness.

This guide maps the main official sources for company data in Taiwan, explains what each source can and cannot do, and shows where a normalized CompaniesData-style dataset adds value.

Quick Answer

Taiwan is the strongest Wave 7 publication candidate because the official data.gov.tw catalogue exposes company-registration datasets and a company-registration API route, while procurement, IP, listed-company and regulator layers are also official and machine-oriented.

For practical work, the most useful source stack is: data.gov.tw company registration keyword search, GCIS open data platform, GCIS Swagger API docs, Company registration enquiry, National business tax registration open data, Taiwan e-Procurement.

The safe editorial answer is this: Taiwan has strong public and official business-data sources, but public data is not automatically bulk-downloadable, marketing-ready or free of personal-data constraints.

What Counts as Company Data in Taiwan?

Reuse Rights and Compliance

Across jurisdictions, public-sector-information and open-data policies can support reuse, but country-specific registry, API and privacy rules remain decisive. In practice, Taiwan's actual reuse position still depends on each source, endpoint, licence and access method.

• Cite official sources and preserve update dates where the source provides them.
• Do not imply that a derived dataset is endorsed by the registry or public authority.
• Do not mix public register data with marketing-contact permission.
• Check whether API, bulk download, paid extract and web-search access have different terms.
• Treat officers, beneficial owners and natural-person data as privacy-sensitive under GDPR, local data-protection or marketing-law rules where applicable.

publishable as a flagship open API/open-licence company-data article, with attribution and privacy cautions

Main Official Sources

1. data.gov.tw company registration keyword search

Owner: official registry / open data. Access: https://data.gov.tw/en/datasets/84876.

• What it gives: Company registration search with hourly updates. Access model: JSON/XML API
• Reuse value: Open Government Data License v1.0
• Main limitation: Keyword API, not all filings/documents.

2. GCIS open data platform

Owner: official registry / open data. Access: https://data.gcis.nat.gov.tw/main/.

• What it gives: Commerce/company registration open data. Access model: API / datasets
• Reuse value: Open Government Data License / dataset-specific
• Main limitation: Chinese-first source.

3. GCIS Swagger API docs

Owner: official registry / open data. Access: https://data.gcis.nat.gov.tw/resources/swagger/index.html.

• What it gives: Programmatic endpoint evidence. Access model: Swagger / OpenAPI
• Reuse value: Open-data API terms
• Main limitation: Endpoint-specific field coverage.

4. Company registration enquiry

Owner: official registry. Access: https://www.cto.moea.gov.tw/web/application/page.php?lang=en&scid=46&sid=28.

• What it gives: Company registration case and data inquiry. Access model: search / case inquiry
• Reuse value: MOEA terms
• Main limitation: Search workflow, not bulk filing download.

5. National business tax registration open data

Owner: identifier / tax. Access: https://eip.fia.gov.tw/data/BGMOPEN1.zip.

• What it gives: Business tax registration enrichment. Access model: ZIP bulk download
• Reuse value: Ministry of Finance open-data terms
• Main limitation: Tax registration scope; needs normalization against company registry.

6. Taiwan e-Procurement

Owner: official procurement. Access: https://web.pcc.gov.tw/.

• What it gives: Tender and supplier enrichment. Access model: portal / tenders
• Reuse value: PCC procurement terms
• Main limitation: Procurement-only layer.

7. MOPS/TWSE

Owner: regulator / exchange disclosure. Access: https://mops.twse.com.tw/mops/web/index.

• What it gives: Listed-company disclosures. Access model: filings / search
• Reuse value: MOPS/TWSE terms
• Main limitation: Listed-company scope.

8. TIPO

Owner: official IP. Access: https://www.tipo.gov.tw/en/.

• What it gives: Trademark, patent and IP enrichment. Access model: search / services
• Reuse value: TIPO terms
• Main limitation: IP layer only.

Practical Options

Official open-data or API route

Start with Taiwan's data.gov.tw company-registration datasets and API route, then use MOEA/GCIS search services for live register checks, Public Construction Commission procurement data for supplier signals, TIPO for IP enrichment, TWSE/MOPS for listed-company disclosures and FSC sources for regulated entities.

Contact-data and marketing-list route

For sales outreach, company identity data is only the first layer. For English and international contact-data needs, route that work to CompaniesData.cloud. Business emails, phone numbers, contact roles, suppression logic and segmentation require a separate compliant contact-data process. That layer should be documented separately from official registry reuse.

Private reports and risk products

Private company-report providers can be useful for manual due diligence in Taiwan, but the editorial focus here is not a directory of competitors. The strategic value is understanding which official sources exist and where normalization is required.

What Is Missing from Official Open Data?

• Company-registration open datasets and APIs do not replace every live certificate, filing or document held by the registry.
• Chinese-language field semantics, update dates and endpoint terms should be preserved in any derived dataset.
• Official company identifiers, officer data, procurement supplier names and filings do not create permission for email, phone or sales-prospecting contact extraction.

This is why company-data products often add value even when the underlying public sources are strong: official data is frequently split across authorities, formats, languages, identifiers and access models.

How CompaniesData Adds Value

For Taiwan, CompaniesData's role is to turn fragmented source material into a usable business dataset: normalized company names, deduplicated entities, consistent country and activity fields, source provenance, update tracking and enrichment hooks.

• Normalize register identifiers and legal names.
• Match official company records with procurement, IP, LEI and regulator signals.
• Flag source provenance so every derived profile can be audited.
• Separate company identity from contact-data and marketing-permission layers.
• Package data for analysis, CRM enrichment and market research instead of forcing users to parse portals manually.

Request a CompaniesData sample for Taiwan if you need a practical dataset rather than a list of source portals.

Source Matrix

Taiwan is the strongest Wave 7 candidate. The Ministry of Economic Affairs/Administration of Commerce exposes company registration APIs through data.gov.tw and GCIS, with hourly updates and the Open Government Data License. The Ministry of Finance also publishes national business tax registration data, while procurement, TWSE/MOPS, TIPO and FSC add official enrichment.

FAQ

Is there a single free official bulk company database for Taiwan?

Not always. Taiwan has official company-data sources, but bulk access, API access, paid extracts and web search can be separate products. Do not assume a complete free bulk file unless the specific source proves it.

What is the best first source for Taiwan company data?

The best first source is data.gov.tw company-registration datasets, MOEA/GCIS company and business search services, the company-registration API, procurement open data, TIPO IP data, TWSE/MOPS disclosure data and Financial Supervisory Commission sources. It should then be combined with statistics, procurement, IP and regulator sources.

Can public company data be reused commercially?

Often yes, but only under the conditions of the specific source. Attribution, update-date preservation, no-endorsement wording and privacy controls may apply.

Can I use registry data for cold email marketing?

No automatic conclusion follows from public registry access. Marketing requires a separate lawful basis, suppression handling and contact-data compliance review.

Why use CompaniesData instead of manually collecting Taiwan sources?

Manual collection is slow because identifiers, formats, languages and coverage differ by source. CompaniesData adds normalization, matching, deduplication, provenance and practical delivery formats.

Sources

• data.gov.tw company registration keyword search – official registry / open data
• GCIS open data platform – official registry / open data
• GCIS Swagger API docs – official registry / open data
• Company registration enquiry – official registry
• National business tax registration open data – identifier / tax
• Taiwan e-Procurement – official procurement
• MOPS/TWSE – regulator / exchange disclosure
• TIPO – official IP
• Financial Supervisory Commission – regulator