Companies registered in Harrow

On the register

Share of these companies on the live register, by status.

• Active 84%
• Proposal to strike off 15%
• In insolvency or administration 1%

New registrations

Companies registered each month, October 2025 – September 2026, that are still on the register. See registrations by month across all companies.

Company age

How long the active companies have been registered.

• Under 1 year 15%
• 1–3 years 20%
• 3–5 years 13%
• 5–10 years 23%
• 10–20 years 20%
• 20 years or more 10%

Top industries

Active companies in this area by SIC code. A company can have more than one SIC code.

• 68209 – Other letting and operating of own or leased real estate 11,100
• 68100 – Buying and selling of own real estate 7,650
• 70229 – Management consultancy activities other than financial management 4,780
• 47910 – Retail sale via mail order houses or via Internet 3,790
• 62020 – Information technology consultancy activities 3,650
• 82990 – Other business support service activities n.e.c. 3,610
• 68320 – Management of real estate on a fee or contract basis 3,080
• 96090 – Other service activities n.e.c. 2,710
• 41202 – Construction of domestic buildings 2,230
• 41100 – Development of building projects 1,900

Busiest postcode districts

Active companies by postcode district. Each links to those companies in the search.

• HA1 15,500
• HA8 10,800
• HA4 10,000
• HA3 9,300
• HA7 7,780
• HA5 7,470
• HA9 7,310
• HA2 7,060
• HA0 4,640
• HA6 4,100

Recently registered companies

Active companies recently registered in the HA postcode area.

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