Data from the official company registers of 12 countries. Not an official register.

English

Keystone Blue Limited

Age9 years
older than 67% of its sector
Same activity, United Kingdom29,479live companies · 9587th oldest
In Newton Aycliffe1,215live companies · 15 in the same activity
At this address1only this company
Latest accounts2025micro-entity accounts, made up to 31 Mar 2025

In brief

Keystone Blue Limited is a private limited company incorporated in England and Wales on 27 March 2017. At 9 years old it is older than 67% of the 29,479 live companies whose main activity is other engineering activities. Its registered office is in Newton Aycliffe, County Durham, North East. 15 live companies in Newton Aycliffe share the same main activity. Its latest accounts were made up to 31 March 2025 and filed as micro-entity accounts. It was previously called Key 3D Ltd, a name it changed on 19 May 2021.

Register details

Registered nameKEYSTONE BLUE LIMITED
Company number10693012
Company typePrivate Limited Company
Registered officeUnit 8 &9, Parsons Court Welbury Way, Aycliffe Ind. Park, DL5 6ZE Newton Aycliffe
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)71129 Other engineering activities
International sector (ISIC Rev.4)M · 71 Architectural and engineering activities; technical testing and analysis

Timeline

Register events, newest first.

  • Confirmation statement made up
  • Accounts made upMicro-entity accounts
  • Name changedPreviously Key 3D Ltd
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due31 December 2026
Accounting reference date31 March
Next confirmation statement27 March 2027
Last confirmation statement13 March 2026
Charges registered0
Outstanding · satisfied0 · 0

Charges are security interests (such as mortgages) registered against the company.

Other engineering activities in the United Kingdom

Live companies whose main activity is 71129: 29,479 in total, median age 6 years, 3,522 incorporated in the past 12 months.

All 29,479 companies
This company's decadeOther decades
05,00010,00015,00020,0001890s: 11890s1900s: 21900s1910s: 11910s1920s: 41920s1930s: 41930s1940s: 51940s1950s: 111950s1960s: 381960s1970s: 1181970s1980s: 3211980s1990s: 7631990s2000s: 2,5462000s2010s: 10,0642010s2020s: 15,6012020s
Incorporated per year, still live
01,0002,0003,0004,0002011: 59820112012: 6812013: 78920132014: 9862015: 99720152016: 1,0522017: 1,23220172018: 1,6322019: 1,72020192020: 1,2792021: 1,44820212022: 1,8722023: 2,08520232024: 2,5192025: 3,50420252026: 2,894

Location

Registered office in Newton Aycliffe, County Durham, North East.

Newton Aycliffe
Live companies in Newton Aycliffe1,215
Same activity in Newton Aycliffe15
Live companies in County Durham21,978
New in Newton Aycliffe, past 12 months130

Similar companies

Live companies with the same main activity, nearest first.

Compare all

Sources

Register data: Companies House, Free Company Data Product, delivery of 1 October 2026. Places: ONS Postcode Directory (Open Government Licence v3.0). Sector names: Eurostat NACE Rev. 2. Context figures are computed by FirmsDB from these sources. This page is not an official register; check the official record before relying on it.