Tax consultancy Companies in the UK

SIC 69203Professional, scientific and technical activities|101.8% formed since 2020|Data updated 17 Apr 2026
3,354
Active

There are 3,354 active companies in the tax consultancy sector in the UK (SIC code 69203). This sector falls under Section M — Professional, scientific and technical activities — of the UK Standard Industrial Classification. The sector has a relatively low 0.3% dissolution rate — 3,354 of 3,712 registrations remain active. The sector is experiencing rapid growth, with 101.8% of active businesses incorporated since 2020 — indicating strong recent demand. 90% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 9.5 years. London leads with 22% of companies in this sector. Companies in this sector hold 54 government contracts valued at £152.1M.

Source: Companies House register via UVAGATRON, April 2026

3,354
Active Companies
M
SIC Section
1930
Oldest Company
101.8%
Growth (2020s)
9.5 yr
Avg Company Age

A rapidly growing sector with 101.8% of active companies formed since 2020.

Incorporation by Decade
15%
40%
41%
Pre-1990: 27
1990s: 110
2000s: 548
2010s: 1,500
2020s: 1,527

Data Signals

Governance
10,5274 src
Financial
5,8159 src
Compliance
3,4518 src
Risk
1,16310 src
growth
642 src
Trade
171 src
ESG
113 src
innovation
102 src
quality
52 src
corporate_structure
21 src

Sector Overview

The tax consultancy sector has a <Link href="/glossary/company-dissolution">0.3% dissolution rate</Link>. The average active company in this sector is 9.5 years old. Geographic concentration: 22% in LONDON.

0.3%
Dissolution rate
9.5 yrs
Avg company age

Company Size Breakdown

Small: 20 (69%)Large: 9 (31%)

Government Activity

Companies in the tax consultancy sector have been awarded 54 government contracts worth £152.1M in total.

Frequently Asked Questions

How many tax consultancy companies are there in the UK?

There are 3,354 active companies classified under SIC code 69203 (Tax consultancy) in the UK, out of 3,712 total registered.

What is SIC code 69203?

SIC code 69203 stands for "Tax consultancy". It belongs to Section M — Professional, scientific and technical activities of the UK Standard Industrial Classification.

Where are most tax consultancy companies located?

The largest concentrations are in LONDON (737), MANCHESTER (70), GLASGOW (58).

What is the average age of tax consultancy companies?

The average active tax consultancy company in the UK is 9.5 years old, with the oldest registration dating back to 1930.

What government data is available for tax consultancy companies?

Our database contains 21,065 data signals across 10 categories for active tax consultancy companies. The largest category is Governance with 10,527 signals from 4 government sources.

Research UK Companies with AI

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