Administration of financial markets Companies in the UK

SIC 66110Financial and insurance activities|130.8% formed since 2020|Data updated 17 Apr 2026
1,237
Active

There are 1,237 active companies in the administration of financial markets sector in the UK (SIC code 66110). This sector falls under Section K — Financial and insurance activities — of the UK Standard Industrial Classification. The sector has a relatively low 0.5% dissolution rate — 1,237 of 1,556 registrations remain active. The sector is experiencing rapid growth, with 130.8% of active businesses incorporated since 2020 — indicating strong recent demand. 109% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 8.4 years. 52 large companies, 2 medium-sized firms operate in this sector. The sector is heavily concentrated in London, which accounts for 32% of all companies. Companies in this sector hold 7 government contracts valued at £0.5M.

Source: Companies House register via UVAGATRON, April 2026

1,237
Active Companies
K
SIC Section
1950
Oldest Company
130.8%
Growth (2020s)
8.4 yr
Avg Company Age

A rapidly growing sector with 130.8% of active companies formed since 2020.

Incorporation by Decade
10%
37%
49%
Pre-1990: 24
1990s: 35
2000s: 154
2010s: 582
2020s: 761

Data Signals

Governance
3,8933 src
Financial
2,0567 src
Compliance
1,16611 src
Risk
4918 src
corporate_structure
351 src
ESG
343 src
Trade
141 src
growth
71 src
quality
22 src
innovation
21 src

Sector Overview

The administration of financial markets sector has a <Link href="/glossary/company-dissolution">0.5% dissolution rate</Link>. The average active company in this sector is 8.4 years old. Geographic concentration: 32% in LONDON.

0.5%
Dissolution rate
8.4 yrs
Avg company age

Company Size Breakdown

Small: 15 (22%)Medium: 2 (3%)Large: 52 (75%)

Government Activity

Companies in the administration of financial markets sector have been awarded 7 government contracts worth £0.5M in total.

Frequently Asked Questions

How many administration of financial markets companies are there in the UK?

There are 1,237 active companies classified under SIC code 66110 (Administration of financial markets) in the UK, out of 1,556 total registered.

What is SIC code 66110?

SIC code 66110 stands for "Administration of financial markets". It belongs to Section K — Financial and insurance activities of the UK Standard Industrial Classification.

Where are most administration of financial markets companies located?

The largest concentrations are in LONDON (401), MANCHESTER (21), BIRMINGHAM (16).

What is the average age of administration of financial markets companies?

The average active administration of financial markets company in the UK is 8.4 years old, with the oldest registration dating back to 1950.

What government data is available for administration of financial markets companies?

Our database contains 7,700 data signals across 10 categories for active administration of financial markets companies. The largest category is Governance with 3,893 signals from 3 government sources.

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Data is updated daily from official UK government sources including Companies House. Information is provided for reference only.