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Company Data Fields Guide: What Each Field Means: Key Terms and How to Verify Them

October 27, 2026 By CADfiles Research Desk Category: Company Data
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Company Data Fields Guide: What Each Field Means

Company data fields are standardized attributes that uniquely identify legal entities within national registries and international databases.

Understanding these fields is critical for compliance, risk management, and accurate record-keeping. Misinterpreting a registration number or address format can lead to failed due diligence, rejected transactions, or regulatory penalties. This guide clarifies the meaning and usage of common company data fields across European Union jurisdictions.

Core Identification Fields

Every legal entity in the EU is assigned a unique identifier by its national business register. These identifiers serve as the primary key for linking company data across systems.

Company Registration Number (CRN)

The Company Registration Number, often referred to as the CRN, is a unique alphanumeric code issued by the national registry where the company is incorporated. In the United Kingdom, this is an eight-digit number issued by Companies House. In Germany, the Handelsregisternummer (HRB or HRA) serves a similar function, though it is often combined with the court location code.

According to the European Commissionโ€™s Business Registers Interconnection System (BRIS), the CRN is the most reliable field for verifying a companyโ€™s legal existence. Unlike trade names, which can change or be shared, the CRN remains constant throughout the companyโ€™s lifecycle.

Legal Entity Identifier (LEI)

The Legal Entity Identifier is a 20-character alphanumeric code based on the ISO 17442 standard. It is used globally to identify legal entities participating in financial transactions. Unlike national registration numbers, the LEI is not tied to a specific jurisdiction but is issued by accredited Local Operating Units (LOUs).

The Global LEI Foundation reports that over 4 million entities have been assigned an LEI. This field is mandatory for many financial reporting requirements under the European Market Infrastructure Regulation (EMIR) and the Securities Financing Transactions Regulation (SFTR). It provides a standardized way to link a company to its ownership structure and regulatory filings.

VAT Identification Number

The Value Added Tax (VAT) identification number is a unique code assigned to businesses for tax purposes. In the EU, it follows a specific format: two letters representing the country code, followed by up to 12 alphanumeric characters. For example, a German VAT number starts with โ€œDE,โ€ while an Italian one starts with โ€œIT.โ€

This field is essential for cross-border trade within the EU. The VIES (VAT Information Exchange System) allows businesses to verify the validity of a partnerโ€™s VAT number in real time. An invalid VAT number can result in incorrect tax withholding and compliance issues.

Legal and Structural Fields

Beyond identification numbers, company data includes fields that describe the legal structure and governance of the entity. These fields determine liability, tax treatment, and reporting obligations.

Legal Form

The legal form field specifies the type of entity, such as a limited liability company, partnership, or sole proprietorship. In the EU, common forms include GmbH (Germany), SARL (France), and SpA (Italy). Each form has distinct legal requirements regarding capital, governance, and liability.

According to Eurostat, the choice of legal form affects how a company is classified in national accounts. For instance, a GmbH is treated as a separate legal person with limited liability, while a sole proprietorship merges the ownerโ€™s personal and business liabilities. This distinction is crucial for credit risk assessment and legal proceedings.

Registered Address

The registered address, also known as the seat or domicile, is the official location of the company for legal purposes. It is the address where legal documents, such as court summons or tax notices, are served. This field is distinct from the operational address, which may be a different location where the company conducts its day-to-day business.

In many EU countries, the registered address must be within the country of incorporation. For example, in France, the siรจge social must be in France for a French SARL. This field is used to determine jurisdiction for legal disputes and tax residency.

Share Capital

The share capital field indicates the amount of money or assets contributed by shareholders to the company at incorporation. It is a key indicator of the companyโ€™s financial foundation and legal liability. In some jurisdictions, such as Germany, a minimum share capital is required for certain legal forms, such as โ‚ฌ25,000 for a GmbH.

This field is often used in due diligence to assess the companyโ€™s initial financial commitment. However, it does not reflect the current value of the company or its ongoing financial health. Changes in share capital, such as increases or decreases, must be registered with the national business register.

Common Confusion Points

Company data fields are often misunderstood, leading to errors in data entry and analysis. Clarifying these distinctions is essential for accurate record-keeping.

Trade Name vs. Legal Name

The legal name is the official name under which the company is registered and conducts legal business. The trade name, or doing business as (DBA) name, is the name used for marketing and customer-facing activities. A company may have multiple trade names but only one legal name.

For example, a company legally named โ€œABC Holdings GmbHโ€ may operate under the trade name โ€œABC Services.โ€ In legal documents and contracts, the legal name must be used. Using the trade name in legal contexts can lead to ambiguity and enforceability issues.

Registration Number vs. Tax Number

The company registration number identifies the entity in the business register, while the tax number is used for tax purposes. In some countries, these numbers are the same, but in others, they are distinct. For instance, in Italy, the Codice Fiscale is used for both individuals and companies, while the Partita IVA is specific to VAT purposes.

Confusing these numbers can result in failed tax filings or incorrect legal identification. It is important to verify the purpose of each number and use the correct one for the intended context.

Where to Find Authoritative Definitions

Accurate company data fields are available from official national registries and EU-wide systems. These sources provide the most up-to-date and legally binding information.

The European Commissionโ€™s BRIS portal allows users to access company data from national business registers across the EU. It provides a standardized view of key fields, including the legal name, registration number, and status.

National registries, such as Companies House in the UK or Handelsregister in Germany, offer detailed records of company data fields. These sources are essential for verifying the accuracy of information obtained from third-party databases.

For financial entities, the Global LEI Foundation provides a free search tool to verify LEI codes and associated company data. This is particularly useful for cross-border transactions and regulatory reporting.

Practical Application in Real Work

Understanding company data fields is not just an academic exercise; it has direct implications for business operations. In due diligence, accurate identification of the legal name and registration number ensures that the correct entity is being assessed. In contract management, using the correct legal name and registered address prevents legal ambiguities.

For compliance officers, verifying VAT numbers and LEI codes is essential for meeting regulatory requirements. In data management, standardizing these fields across systems improves data quality and reduces errors. By mastering these fields, businesses can enhance their risk management, compliance, and operational efficiency.