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Third Harmonic Ltd

ActiveCompany number 11117364Private limited companyEst. 201763990 · Other information service activities n.e.c.Blackpool, North West
Official record ↗
Age8 years
older than 50% of its sector
Same activity, United Kingdom16,116live companies · 7995th oldest
In Blackpool11,808live companies · 867 in the same activity
At this address299live companies incl. this one
Latest accounts2025micro-entity accounts, made up to 31 Dec 2025

In brief

Third Harmonic Ltd is a private limited company incorporated in England and Wales on 19 December 2017. At 8 years old it is older than 50% of the 16,116 live companies whose main activity is other information service activities n.e.c.. Its registered office is in Blackpool, Fylde, North West, at an address shared with 298 other live companies. 867 live companies in Blackpool share the same main activity. Its latest accounts were made up to 31 December 2025 and filed as micro-entity accounts.

Register details

Registered nameTHIRD HARMONIC LTD
Company number11117364
Company typePrivate Limited Company
Registered officeApollo House, Hallam Way, Whitehills Business Park, FY4 5FS Blackpool
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)63990 Other information service activities n.e.c.
International sector (ISIC Rev.4)J · 63 Information service activities

Timeline

Register events, newest first.

  • Accounts made upMicro-entity accounts
  • Confirmation statement made up
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due30 September 2027
Accounting reference date31 December
Next confirmation statement1 January 2027
Last confirmation statement18 December 2025
Charges registered0
Outstanding · satisfied0 · 0

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

Other information service activities n.e.c. in the United Kingdom

Live companies whose main activity is 63990: 16,116 in total, median age 8 years, 1,144 incorporated in the past 12 months.

All 16,116 companies
This company's decadeOther decades
02,5005,0007,50010,0001890s: 11890s1910s: 21910s1930s: 41930s1940s: 21940s1950s: 31950s1960s: 131960s1970s: 191970s1980s: 1011980s1990s: 4321990s2000s: 1,6632000s2010s: 7,8022010s2020s: 6,0742020s
Incorporated per year, still live
05001,0001,5002,0002011: 50220112012: 6152013: 67620132014: 8332015: 91420152016: 9602017: 90220172018: 9952019: 1,03520192020: 7672021: 75420212022: 7512023: 79120232024: 8492025: 1,27620252026: 886

Location

Registered office in Blackpool, Fylde, North West.

Blackpool
Live companies in Blackpool11,808
Same activity in Blackpool867
Live companies in Fylde9,942
New in Blackpool, past 12 months1,330

Also registered at this address

298 other live companies share this registered office; shown are those incorporated closest in time to this one.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
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BJL Consulting LtdBlackpool, North West
Number 11114993Est. 2017
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Makhecha LtdBlackpool, North West
Number 11113233Est. 2017
RC
Roopra Consulting LtdBlackpool, North West
Number 11128096Est. 2017
VF
Vanessa Frater Robertson Coaching LtdBlackpool, North West
Number 11104254Est. 2017
AE
Amc Erp LtdBlackpool, North West
Number 11104313Est. 2017
AP
Aperture Product LtdBlackpool, North West
Number 11101693Est. 2017

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.