FAQs

DataLedger FAQs

Clear answers about DataLedger, structured UK company financial data, Companies House filings, PSC ownership records, API access, datasets, pricing and commercial use.

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Platform

About DataLedger

What is DataLedger?

DataLedger is a structured UK company financial and ownership data provider. It transforms Companies House electronic filings and PSC records into analysis-ready datasets and API responses.

DataLedger is used for financial screening, ownership research, company analysis, CRM enrichment, AI workflows, M&A research, lead generation and product integrations.

What is structured Companies House data?

Structured Companies House data is raw filing information converted into clean, searchable and comparable fields. DataLedger structures electronic filings into financial data, ratios, growth indicators, company profiles and ownership records that can be used immediately in spreadsheets, APIs and internal systems.

How is DataLedger different from Companies House?

Companies House is the original public source. DataLedger builds on Companies House data by structuring electronic filings into analysis-ready financial data, API responses, custom datasets and searchable company records.

DataLedger also adds pre-calculated ratios, growth indicators, verification flags, PSC ownership data, parent company chains and subsidiary structures.

Is DataLedger an official Companies House service?

No. DataLedger is an independent UK data provider. It uses open Companies House data, Companies House PSC records and ONS reference data to provide structured financial and ownership datasets.

Who uses DataLedger?

DataLedger is used by analysts, investors, private equity teams, M&A advisers, sales teams, recruiters, developers, AI product builders, CRM teams and researchers who need structured UK company financial or ownership data.


Coverage and quality

Data Coverage and Quality

Which UK companies are included?

DataLedger ingests active UK companies from Companies House and processes electronically filed accounts. Almost 3 million companies have structured financial data available, with around 2.8 million records carrying DataLedger’s verification flag.

Paper-filed accounts are not included in the structured financial dataset because they cannot be reliably parsed and validated at scale.

What financial data does DataLedger provide?

DataLedger provides structured balance sheet data including total assets, current assets, fixed assets, liabilities, equity, employee count where disclosed, SIC codes, registered address, company status and incorporation dates.

Where disclosed, DataLedger also includes turnover and profit and loss figures.

Do all companies disclose turnover or profit and loss data?

No. Most UK SMEs do not publish turnover or profit figures because micro-entities and small companies can file accounts without a full income statement.

Where P&L data is disclosed, DataLedger includes it. API users can use hasPLFigures=true to filter for companies with P&L figures available.

Why does DataLedger focus on balance sheet data?

Balance sheet data is available for far more UK companies than turnover or EBITDA. It can still show scale, liabilities, equity, financial resilience, growth and debt levels.

This makes balance sheet-led screening useful for UK SME analysis, lead generation, acquisition research, credit checks and financial benchmarking.

Does DataLedger include financial ratios and growth indicators?

Yes. DataLedger includes pre-calculated ratios and growth indicators such as debt-to-equity ratio, debt-to-asset ratio, year-on-year asset growth and year-on-year net assets growth.

What does the verification flag mean?

The verification flag confirms that balance sheet figures are internally consistent using the accounting relationship between assets, liabilities and equity.

In the API this appears as cVerified for the current year and pVerified for the previous year.

How often is the data updated?

DataLedger processes new accounts filings as they become available. Pre-built datasets are refreshed monthly. Custom datasets are built using the latest processed data available at the time of request.


Ownership and PSC data

UK Company Ownership Data

What is PSC data?

PSC stands for Person with Significant Control. It identifies individuals or relevant legal entities that own or control more than 25% of a UK company’s shares or voting rights, or otherwise exercise significant influence or control.

What PSC ownership fields does DataLedger include?

DataLedger includes PSC name, nationality, country of residence, year of birth, ownership band, voting rights, appointment rights, nature of control and whether the owner is an individual or corporate entity.

Can DataLedger combine ownership data with financial data?

Yes. DataLedger can combine PSC ownership records with structured financial data, ratios, growth indicators, SIC codes, employee counts, registered address data and company status in the same export or API response.

Can I find founder-owned or owner-managed UK companies?

Yes. DataLedger can filter companies by individual ownership, corporate ownership, PSC ownership bands and owner age. This can help identify founder-owned, owner-managed or corporate-backed businesses.

Can I filter UK companies by owner age?

Yes. DataLedger supports PSC age filtering using owner year of birth where available. This is useful for succession-led research, acquisition targeting and identifying established owner-managed businesses.

Can I retrieve parent companies and subsidiaries?

Yes. The DataLedger API can return parent companies using parents=true and subsidiary companies using children=true. These can be combined with financials and PSC records in a single company profile request.


API access

API Access

Does DataLedger provide a UK company financial data API?

Yes. DataLedger provides a REST API that returns structured UK company financial data, company profiles, financial ratios, growth indicators, PSC ownership records, parent companies and subsidiaries in JSON format.

What API endpoints are available?

The main API endpoints are company autocomplete, company search and company profile. Search supports financial, sector, geography and ownership filters. Company profile supports optional financials, PSC records, parent companies and subsidiaries.

How do API credits work?

Credits are consumed per request. Search costs 1 credit. A company profile starts at 1 credit, with optional flags for additional data such as financials, PSC records, parent companies and subsidiaries. All profile flags combined cost a maximum of 10 credits.

Can I use DataLedger with AI agents or ChatGPT?

Yes. DataLedger returns structured JSON responses that can be used in AI agents, custom GPTs, Claude workflows, n8n, Make, Zapier and internal tools. The API is designed for AI-ready company data workflows.

Can I use DataLedger in my own product or CRM?

Yes. DataLedger can be integrated into CRMs, internal tools, lead generation platforms, due diligence workflows, dashboards and commercial software products, subject to the relevant commercial use terms.


Datasets

Datasets and Exports

What is the difference between pre-built and custom datasets?

Pre-built datasets are ready-made sector or theme-based files available for instant download. Custom datasets are built to your criteria using filters such as sector, geography, assets, liabilities, equity, ratios, growth, ownership and employee count.

What can I filter by in a custom dataset?

Custom datasets can be filtered by SIC code, sector, geography, postcode, local authority, company age, employee count, assets, liabilities, equity, turnover where disclosed, ratios, growth indicators, PSC owner age and ownership structure.

What formats are datasets delivered in?

Datasets are delivered in Excel or CSV format depending on the order type and your preference.

Can I use the data commercially?

Yes. Paid DataLedger products include commercial use rights, subject to the Terms of Service. If you need redistribution, resale or embedded product use, contact DataLedger to confirm the right licence route.


Pricing and support

Pricing and Getting Started

What are the pricing options?

Pre-built datasets start from £195. Custom financial datasets start from £295. Custom datasets with PSC ownership data start from £395. API access includes 25 free credits on signup, with monthly plans from £10 and one-off credit packs from £5.

Can I see a sample before buying?

Yes. Sample files are available for pre-built datasets. For custom dataset requests, DataLedger can usually provide sample records that match your requested criteria.

How do I get started?

You can sign up at hub.dataledger.uk for 25 free API credits, browse pre-built datasets at dataledger.uk/packages, or email contact@dataledger.uk with your custom dataset criteria.

Can DataLedger help define my search criteria?

Yes. If you are unsure which filters to use, DataLedger can help shape the brief before you buy. This is useful for company screening, M&A research, lead generation, recruitment prospecting, CRM enrichment and ownership research.


Ready to get started?

Try the API with 25 free credits, browse pre-built datasets, or request a custom dataset built around your financial, ownership or company search criteria.