Middlesex has 114 active companies in accounting and auditing activities (SIC 69201). While this is a smaller concentration compared to major cities, these businesses serve important local and regional markets. With an average company age of 22.9 years, accounting and auditing activities businesses in Middlesex tend to be well-established. This maturity suggests a stable local market with strong business continuity. Across the UK, other leading locations for accounting and auditing activities include London (6,611 companies) and Manchester (767).
There are 114 active accounting and auditing activities companies (SIC code 69201) currently registered in Middlesex, based on Companies House data. This includes businesses of all sizes, from sole traders to large enterprises, that have selected this SIC code as their primary activity.
The average accounting and auditing activities company in Middlesex is 22.9 years old. This indicates an established sector with mature, long-running businesses that have demonstrated sustained viability. Company ages are calculated from incorporation dates registered at Companies House.
The accounting and auditing activities sector in Middlesex is stable, with 4% of active companies formed since 2020. The sector has a balanced age distribution, with established businesses alongside newer entrants.
Beyond Middlesex, the leading UK locations for accounting and auditing activities companies are: London (6,611), Manchester (767), Birmingham (709), Bristol (477), Glasgow (462). These concentrations often reflect regional economic specialisations, proximity to key markets, or established industry clusters.
Alongside accounting and auditing activities, other significant industries in Middlesex include: Other letting and operating of own or leased real estate (300), Buying and selling of own real estate (256), Other business support service activities n.e.c. (188), Information technology consultancy activities (175). This diversity of business activity contributes to Middlesex's overall economic resilience.
You can search for accounting and auditing activities companies in Middlesex using UVAGATRON's company explorer, which allows filtering by SIC code, location, company status, and risk profile. Each company record includes director information, filing history, and risk signals from 50+ government databases. Alternatively, you can search directly on Companies House.
Search, filter, and analyse 114 accounting and auditing activities companies in Middlesex with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. Last updated: 2026-04-17.