FTSE 100 - UK Registered Companies
UK-incorporated companies in the FTSE 100. Updated quarterly. Includes CW Registration Numbers for use in Monitor and Data Builder to track financial and non-financial information.
This list includes only FTSE 100 companies incorporated in the UK. As a result, some companies may be missing due to being incorporated in countries outside of the UK.
The following list will be updated on a quarterly basis. Date of last update: 19/01/2026.
For FTSE 250 companies, please navigate to this article FTSE 250 company list
Tip: Copy the Registration Number into a Portfolio in the Monitor tool on the Company Watch platform to create email alerts. You can also load your FTSE100 portfolio into Data Builder to quickly display & extract the financial and non-financial information you are interested in.
Important: To import companies into the Portfolio Monitor tool, registration numbers must be exactly 8 digits long. See here.
We also recommend watching the following short video guides for step-by-step instructions:
| Company Name | Registration Number | Country |
| WEIR GROUP PLC(THE) | SC002934 | United Kingdom |
| BEAZLEY PLC | 09763575 | United Kingdom |
| LEGAL & GENERAL GROUP PLC | 01417162 | United Kingdom |
| RENTOKIL INITIAL PLC | 05393279 | United Kingdom |
| UNITED UTILITIES GROUP PLC | 06559020 | United Kingdom |
| GAMES WORKSHOP GROUP PLC | 02670969 | United Kingdom |
| J SAINSBURY PLC | 00185647 | United Kingdom |
| ASSOCIATED BRITISH FOODS PLC | 00293262 | United Kingdom |
| SEGRO PLC | 00167591 | United Kingdom |
| VODAFONE GROUP PLC | 01833679 | United Kingdom |
| HISCOX PLC | 02837811 | United Kingdom |
| STANDARD CHARTERED PLC | 00966425 | United Kingdom |
| BAE SYSTEMS PLC | 01470151 | United Kingdom |
| HALMA PLC | 00040932 | United Kingdom |
| ANGLO AMERICAN PLC | 03564138 | United Kingdom |
| INTERTEK GROUP PLC | 04267576 | United Kingdom |
| BABCOCK INTERNATIONAL GROUP PLC | 02342138 | United Kingdom |
| ALLIANCE WITAN PLC | SC001731 | United Kingdom |
| SMITH & NEPHEW PLC | 00324357 | United Kingdom |
| PEARSON PLC | 00053723 | United Kingdom |
| CONVATEC GROUP PLC | 10361298 | United Kingdom |
| BRITISH LAND COMPANY PLC(THE) | 00621920 | United Kingdom |
| IMPERIAL BRANDS PLC | 03236483 | United Kingdom |
| ASHTEAD GROUP PLC | 01807982 | United Kingdom |
| PRUDENTIAL PLC | 01397169 | United Kingdom |
| BARRATT REDROW PLC | 00604574 | United Kingdom |
| DIPLOMA PLC | 03899848 | United Kingdom |
| ST. JAMES'S PLACE PLC | 03183415 | United Kingdom |
| SEVERN TRENT PLC | 02366619 | United Kingdom |
| AVIVA PLC | 02468686 | United Kingdom |
| MELROSE INDUSTRIES PLC | 09800044 | United Kingdom |
| LLOYDS BANKING GROUP PLC | SC095000 | United Kingdom |
| BP PLC | 00102498 | United Kingdom |
| SCOTTISH MORTGAGE INVESTMENT TRUST PLC | SC007058 | United Kingdom |
| COMPASS GROUP PLC | 04083914 | United Kingdom |
| BT GROUP PLC | 04190816 | United Kingdom |
| EASYJET PLC | 03959649 | United Kingdom |
| LAND SECURITIES GROUP PLC | 04369054 | United Kingdom |
| RECKITT BENCKISER GROUP PLC | 06270876 | United Kingdom |
| SHELL PLC | 04366849 | United Kingdom |
| TAYLOR WIMPEY PLC | 00296805 | United Kingdom |
| THE SAGE GROUP PLC | 02231246 | United Kingdom |
| CENTRICA PLC | 03033654 | United Kingdom |
| ICG PLC | 02234775 | United Kingdom |
| IMI PLC | 00714275 | United Kingdom |
| KINGFISHER PLC | 01664812 | United Kingdom |
| ROLLS-ROYCE HOLDINGS PLC | 07524813 | United Kingdom |
| WHITBREAD PLC | 04120344 | United Kingdom |
| DIAGEO PLC | 00023307 | United Kingdom |
| PHOENIX GROUP HOLDINGS PLC | 11606773 | United Kingdom |
| GSK PLC | 03888792 | United Kingdom |
| CRODA INTERNATIONAL PLC | 00206132 | United Kingdom |
| LONDONMETRIC PROPERTY PLC | 07124797 | United Kingdom |
| NATWEST GROUP PLC | SC045551 | United Kingdom |
| LONDON STOCK EXCHANGE GROUP PLC | 05369106 | United Kingdom |
| ENDEAVOUR MINING PLC | 13280545 | United Kingdom |
| BRITISH AMERICAN TOBACCO PLC | 03407696 | United Kingdom |
| 3I GROUP PLC | 01142830 | United Kingdom |
| UNILEVER PLC | 00041424 | United Kingdom |
| ASTRAZENECA PLC | 02723534 | United Kingdom |
| INTERCONTINENTAL HOTELS GROUP PLC | 05134420 | United Kingdom |
| AIRTEL AFRICA PLC | 11462215 | United Kingdom |
| HIKMA PHARMACEUTICALS PLC | 05557934 | United Kingdom |
| RIO TINTO PLC | 00719885 | United Kingdom |
| RELX PLC | 00077536 | United Kingdom |
| SMITHS GROUP PLC | 00137013 | United Kingdom |
| MARKS AND SPENCER GROUP PLC | 04256886 | United Kingdom |
| SSE PLC | SC117119 | United Kingdom |
| AUTOTRADER GROUP PLC | 09439967 | United Kingdom |
| F&C INVESTMENT TRUST PLC | 00012901 | United Kingdom |
| SCHRODERS PLC | 03909886 | United Kingdom |
| ANTOFAGASTA PLC | 01627889 | United Kingdom |
| RIGHTMOVE PLC | 06426485 | United Kingdom |
| FRESNILLO PLC | 06344120 | United Kingdom |
| M&G PLC | 11444019 | United Kingdom |
| TESCO PLC | 00445790 | United Kingdom |
| SPIRAX GROUP PLC | 00596337 | United Kingdom |
| HALEON PLC | 13691224 | United Kingdom |
| JD SPORTS FASHION PLC | 01888425 | United Kingdom |
| NATIONAL GRID PLC | 04031152 | United Kingdom |
| HOWDEN JOINERY GROUP PLC | 02128710 | United Kingdom |
| NEXT PLC | 04412362 | United Kingdom |
| INFORMA GROUP LIMITED | 03099067 | United Kingdom |
| THE BERKELEY GROUP HOLDINGS PLC | 05172586 | United Kingdom |
| BUNZL PLC | 00358948 | United Kingdom |
| HSBC HOLDINGS PLC | 00617987 | United Kingdom |
| MONDI PLC | 06209386 | United Kingdom |
| BARCLAYS PLC | 00048839 | United Kingdom |
| PERSIMMON PLC | 01818486 | United Kingdom |
| ADMIRAL GROUP PLC | 03849958 | United Kingdom |
| BURBERRY GROUP PLC | 03458224 | United Kingdom |
| METLEN ENERGY & METALS PLC | 15944520 | United Kingdom |
| INTERNATIONAL CONSOLIDATED AIRLINES GROUP S.A. | FC029884 | Overseas |
| COCA-COLA EUROPACIFIC PARTNERS PLC | 09717350 | United Kingdom |