UK Financial Instruments Reference Data System (FIRDS)

List of financial instruments and their reference data, as published by the Financial Conduct Authority (FCA) in the UK.

This is a dataset of financial instruments and their reference data, as published by the Financial Conduct Authority (FCA) in the UK. The data establishes connections between financial instruments and their issuers, and includes information such as the instrument's name, ISIN, and LEI.

Data overview

Entities:
Total199,356
Searchable199,356
Entity types:
Securities199,230
Organizations126
Countries:
35 countries · Show overview...
Publisher:UK Financial Conduct Authority (FCA) · United Kingdom

The FCA is the conduct regulator for financial services firms and financial markets in the UK. It publishes a number of databases and registers, including the Financial Instruments Reference Data System (FIRDS).

Collections:in OpenSanctions Default · Sanctioned Securities
Information:data.fca.org.uk
Source data:api.data.fca.org.uk · JSON
Coverage:added · frequency: weekly
Last processed:2025-12-11 14:15:22 · v. 20251211141522-ekc
Last change:

Using the API

You can query the data in this dataset via the application programming interface (API) endpoints below. Please read the introduction for documentation and terms of service.

Use the Reconciliation API in OpenRefine:
For full-text search, use the /search endpoint:
For entity matching, use the /match endpoint:
Code on GitHub