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:
Total606
Searchable606
Entity types:
Organizations429
Securities177
Countries:
12 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:
2026-07-23 15:38:42 · v. 20260723153842-eud
Last success:2026-07-16 14:15:31 · v. 20260716141531-mgy
Last change:
Errors:1 Error

Using the API 

You can query the data in this dataset via these API endpoints:

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