Track newly registered UK other building completion and finishing companies at Companies House. This page lists recent incorporations and formation trends for Other building completion and finishing.

2,041 new Other building completion and finishing companies were registered in the last 90 days - about 23 a day.

Monthly registrations over recent complete months have ranged from 422 to 843.

Last month's registrations were up 10% versus the month before.

A sample of this week's matching leads

ILFAT TRANSFORM LTD
Incorporated 2026-10-05 · Ilford
PETERBOROUGH HANDYMAN LTD
Incorporated 2026-10-05 · Peterborough
MARSHALL WOOD LTD
Incorporated 2026-10-05 · Stoke-On-Trent
G PRIME BUILD & DECOR LTD
Incorporated 2026-10-05 · Slough
APEX DOORS LIMITED
Incorporated 2026-10-05 · Hartlepool
MR. FIX IT (NE) LTD
Incorporated 2026-10-05 · Middlesbrough

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Frequently Asked Questions

What is SIC code 43390?

SIC code 43390 is the UK Standard Industrial Classification code for "Other building completion and finishing". Every company registered at Companies House must declare at least one SIC code describing its main business activity.

How many new companies register with SIC code 43390 each week?

Use the date range filter above to see the exact count of new registrations for SIC code 43390 over your chosen period. Volume varies by sector and economic conditions.

Can I set up alerts for new SIC 43390 companies?

Yes. Save a search in NewcoSignal filtered to the industry category that includes SIC code 43390 and receive a weekly or daily email digest of every new matching company. Available on all plans including the free tier.

Are newly registered SIC 43390 companies good B2B leads?

New company registrations under any SIC code represent businesses that are actively choosing their first suppliers - accountant, insurance, IT support, software, and more. Being first in touch with newly incorporated businesses before competitors reach them is a significant commercial advantage.

What is the difference between a UK SIC code and a US NAICS code?

UK SIC codes (like 43390) are used by Companies House to classify business activities in Great Britain. NAICS codes are the equivalent classification used in the United States, Canada, and Mexico. The two systems cover similar industries but with different structures and numbering. Use the SIC to NAICS converter to find the nearest North American equivalent for any UK SIC code.