SIC 66110 Section K — Financial and Insurance Activities

Administration of financial markets

2,124 active UK companies registered under this classification.

SIC Code 66110 (Administration of financial markets) is a UK Standard Industrial Classification code used by Companies House to categorise business activities. Companies registered under this code operate in the Administration of financial markets sector, which falls under Section K (Financial and Insurance Activities) of the SIC 2007 framework. There are currently 2,124 active companies and 2,237 total registrations under this classification.

2,124 Active Companies
2,237 Total Registered
38 New in 2026
London Top Location

Incorporation Trends

New Administration of financial markets companies registered per year.

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Administration of financial markets Companies

Showing 1–25 of 2,237 companies.

L

0VERST LIMITED 16978787

● Active Manchester Est. 2026
FS

1-4-U FINANCIAL SOLUTIONS LTD NI606059

● Active Bangor Est. 2011
AL

121 ADVISORY LTD 10184575

● Active London Est. 2016
L

16105014 LIMITED 16105014

● Active London Est. 2024
TL

1810 TRADER LIMITED 16616252

● Active Cambridge Est. 2025
GL

1F GROUP LIMITED 16305749

● Active ROTHERHAM Est. 2025
KL

28 KNIGHTSBRIDGE LTD 15221153

● Active Woodford Green Est. 2023
L

28ELEVEN LTD 12548609

● Active Wimborne Est. 2020
L

2DMATERIALS.INVESTMENTS LTD 16659029

● Active BRAINTREE Est. 2025
RG

3 RED GROUPS LIMITED 16590338

● Active London Est. 2025
L

32T LIMITED 06237944

● Active Alresford Est. 2007
ES

360 ENERGY SERVICES LTD 15622548

● Active MANCHESTER Est. 2024
L

360TRADEHUB LIMITED 13162544

● Active Cardiff Est. 2021
WC

38 WEST CONSULTANTS LTD 15908351

● Active LONDON Est. 2024
L

451F LIMITED 09752392

● Active Bradford Est. 2015
SL

497 SZ LTD 09453503

● Active Birmingham Est. 2015
TL

4K TRADES LTD 15177704

● Active Kington Est. 2023
CL

52 COMMUNICATIONS LIMITED 14172884

● Active STOURBRIDGE Est. 2022
CL

57 CAPITAL LIMITED 11273684

● Active BURNLEY Est. 2018
IT

5PLUS INT. TRADING LTD 10307417

● Active Wrexham Est. 2016
L

5RB LTD 09769841

● Active East Ham Est. 2015
CL

6K CAPITAL LTD 15882048

● Active LONDON Est. 2024
L

999FOREX LTD 16286507

● Active RUISLIP, Est. 2025
L

99FX LTD 15840897

● Active LONDON Est. 2024
AA

A ACKLAM (CONSULTING) LTD 09790043

● Active Lincoln Est. 2015

Frequently Asked Questions

What is SIC code 66110?

SIC code 66110 represents "Administration of financial markets" in the UK Standard Industrial Classification (SIC) 2007 system. It is used by Companies House to categorise the primary business activity of registered UK companies. It falls under Section K — Financial and Insurance Activities.

How many UK companies are classified under SIC 66110?

There are currently 2,124 active UK companies registered under SIC code 66110 (Administration of financial markets), out of 2,237 total registrations.

Where are most Administration of financial markets companies based in the UK?

The top locations for Administration of financial markets companies in the UK are London, Cardiff, Manchester, Birmingham, Glasgow. London typically leads in company registrations across most sectors.

How do I find a specific Administration of financial markets company?

You can browse all companies on this page, or use CompanyPulse's search at companypulse.co.uk/search to find a specific company by name or company number. Each company profile includes directors, financial data, risk analysis, and filing history.

How many new Administration of financial markets companies were incorporated in 2026?

38 new companies were registered under SIC code 66110 in 2026. CompanyPulse tracks all new UK incorporations in real time via the Companies House data stream.