CT600 tax return filing in Horsham

CT600 filing for Horsham limited companies

The CT600 is the company tax return form. It is filed online and has to be accompanied by the full statutory accounts and a tax computation in iXBRL format. Filing the CT600 with HMRC is a separate duty from filing accounts at Companies House, even though most companies deal with both in the same week.

CT600 filing service for Horsham businesses: local facts

Horsham is in the South East region. In Horsham, 6,895 of the 7,625 VAT- and PAYE-registered businesses in the 2026 ONS count have fewer than ten employees, around 90%. If you run a company in Horsham, you are in good company.

The largest groups of micro businesses in Horsham are professional, scientific and technical services (1,315), construction (1,070) and wholesale and retail (845). For professional, scientific and technical services companies in Horsham, fee income, work in progress at the year end and how directors are paid are the key decisions, so we plan these with you before the accounts are finalised. That puts professional, scientific and technical services at 19% of the local micro-business base.

Zooming in, the ONS neighbourhood area around Horsham (Horsham 006) has 705 VAT- or PAYE-registered businesses, and 590 of them (84%) are micro businesses.

Horsham ranks 529 of the 1105 areas we serve by number of micro businesses, and its micro share of 90% is in line with the 89% average across them. In construction (1,070 micro businesses in Horsham), Construction Industry Scheme deductions, retentions and stage payments can distort profit, so we reconcile your CIS statements before the accounts are prepared. In wholesale and retail (845 micro businesses in Horsham), closing stock and the VAT treatment of different product lines are the usual pressure points, so we value stock carefully and check your VAT records.