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Professional Services · London

Professional Services companies in London

There are 222,217 professional services companies registered in London, spread across 378 postcode areas. Here is what they do, where they cluster, and how to get the full list.

Built from the Companies House register · Data updated monthly · companymap.co.uk

222,217professional services companies
179,647currently active (81%)
378postcode areas covered
WC2H densest area (22,790 firms)

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What they do — by trade

The trade mix across London's 222,217 registered professional services companies, by primary SIC activity:

Management consultancy activities other than financial management85,799
Advertising agencies24,501
Other professional, scientific and technical activities21,549
Specialised design activities17,753
Non-trading company10,140
Accounting and auditing activities8,691
Activities of head offices8,484
Engineering related scientific and technical consulting activities8,151
Financial management7,579
Public relations and communications activities6,990

Where they cluster — by postcode area

Registered offices by outcode — the densest is WC2H with 22,790 firms:

WC2H22,790 EC1V18,998 EC2A13,299 N111,740 W1W11,516 SE14,306 E144,153 E13,974 WC1N3,757 W1T3,159

When they were founded

Company formations in the sector, by year (full calendar years):

11,5372020
11,7442021
12,9432022
18,1362023
26,5232024
31,7922025

A sample of the companies

A handful of the active professional services companies registered across London's postcodes:

CompanyArea
Independent Healthcare Partners LimitedE1
Pita Engineering LtdNW10
Tito Consulting LtdW1W
Sjk Construction & Management LtdEC2A
Adam Butters Consulting LtdN15
Lawyer To The Lawyers LimitedWC2H
Rak Surveyors LtdE17
Ly Global Management LtdW1G
Ord Consultancy LtdN1
Li Partners LimitedEC1V
Nexpath Centre For Law, Governance And Policy LtdEC2A
Odj Consulting LtdWC2H

Export all 222,217 professional services companies in London.
Each row includes the company name, number, status, incorporation date, full registered address, postcode, SIC codes and a direct link to its Companies House record.

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Quick answers

How many professional services companies are there in London?

There are 222,217 professional services companies with a registered office in London on the Companies House register, of which 179,647 (81%) are currently active.

Which part of London has the most professional services companies?

The WC2H postcode area has the highest concentration, with 22,790 of London's professional services companies registered there.

How many new professional services companies were started in London in 2025?

31,792 new professional services companies were incorporated in London during 2025, the most recent complete year on the register.

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