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

English

Chalkstring Limited

Age9 years
older than 79% of its sector
Same activity, United Kingdom99,226live companies · 20945th oldest
In Maidenhead6,466live companies · 152 in the same activity
At this address1only this company
Latest accounts2026unaudited abridged accounts, made up to 30 Apr 2026

In brief

Chalkstring Limited is a private limited company incorporated in England and Wales on 7 July 2017. At 9 years old it is older than 79% of the 99,226 live companies whose main activity is business and domestic software development. Its registered office is in Maidenhead, Windsor and Maidenhead, South East. 152 live companies in Maidenhead share the same main activity. Its latest accounts were made up to 30 April 2026 and filed as unaudited abridged accounts. It was previously called DDL203 Limited, a name it changed on 25 October 2017.

Register details

Registered nameCHALKSTRING LIMITED
Company number10855397
Company typePrivate Limited Company
Registered office3RD Floor Arena Court, Crown Lane, SL6 8QZ Maidenhead
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)62012 Business and domestic software development
International sector (ISIC Rev.4)J · 62 Computer programming, consultancy and related activities

Timeline

Register events, newest first.

  • Confirmation statement made up
  • Accounts made upUnaudited abridged accounts
  • Name changedPreviously DDL203 Limited
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due31 January 2028
Accounting reference date30 April
Next confirmation statement22 July 2027
Last confirmation statement8 July 2026
Charges registered0
Outstanding · satisfied0 · 0

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

Business and domestic software development in the United Kingdom

Live companies whose main activity is 62012: 99,226 in total, median age 2 years, 29,905 incorporated in the past 12 months.

All 99,226 companies
This company's decadeOther decades
020,00040,00060,00080,0001900s: 41900s1920s: 11920s1940s: 11940s1950s: 21950s1960s: 141960s1970s: 711970s1980s: 5271980s1990s: 2,0931990s2000s: 5,3082000s2010s: 20,9182010s2020s: 70,2872020s
Incorporated per year, still live
010,00020,00030,00040,0002011: 1,40020112012: 1,5552013: 1,64720132014: 1,7852015: 1,92620152016: 2,2472017: 2,63220172018: 3,0552019: 3,66220192020: 3,6982021: 3,99420212022: 4,3722023: 6,12720232024: 8,1502025: 18,28520252026: 25,661

Location

Registered office in Maidenhead, Windsor and Maidenhead, South East.

Maidenhead
Live companies in Maidenhead6,466
Same activity in Maidenhead152
Live companies in Windsor and Maidenhead17,031
New in Maidenhead, past 12 months601

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.