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

English

Mayfly Hydronics Ltd

Age6 years
older than 47% of its sector
Same activity, United Kingdom55,821live companies · 29733rd oldest
In Leeds (Leeds)41,374live companies · 314 in the same activity
At this address1only this company
Latest accounts2025micro-entity accounts, made up to 31 Jul 2025

In brief

Mayfly Hydronics Ltd is a private limited company incorporated in England and Wales on 15 September 2020. It is 6 years old; 53% of the 55,821 live companies whose main activity is electrical installation are older. Its registered office is in Leeds (Leeds), Leeds, Yorkshire and The Humber. 314 live companies in Leeds (Leeds) share the same main activity. Its latest accounts were made up to 31 July 2025 and filed as micro-entity accounts. It was previously called Mayfly Renewables Ltd, a name it changed on 10 February 2026, and has had 2 earlier names in all.

Register details

Registered nameMAYFLY HYDRONICS LTD
Company number12881716
Company typePrivate Limited Company
Registered office71 Tong Way, LS12 5NB Leeds
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)43210 Electrical installation · 43220 Plumbing, heat and air-conditioning installation · 43999 Other specialised construction activities n.e.c.
International sector (ISIC Rev.4)F · 43 Specialised construction activities

Timeline

Register events, newest first.

  • Name changedPreviously Mayfly Renewables Ltd
  • Confirmation statement made up
  • Accounts made upMicro-entity accounts
  • Name changedPreviously The Boiler Store Ltd
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due30 April 2027
Accounting reference date31 July
Next confirmation statement23 February 2027
Last confirmation statement9 February 2026
Charges registered0
Outstanding · satisfied0 · 0

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

Electrical installation in the United Kingdom

Live companies whose main activity is 43210: 55,821 in total, median age 6 years, 6,248 incorporated in the past 12 months.

All 55,821 companies
This company's decadeOther decades
010,00020,00030,00040,0001900s: 31900s1910s: 41910s1920s: 91920s1930s: 151930s1940s: 151940s1950s: 431950s1960s: 981960s1970s: 2541970s1980s: 3811980s1990s: 1,2541990s2000s: 6,9222000s2010s: 18,9822010s2020s: 27,8412020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 1,10320112012: 1,1972013: 1,38920132014: 2,0362015: 2,08720152016: 2,0702017: 2,30720172018: 2,9042019: 2,94920192020: 2,5592021: 3,03120212022: 3,4232023: 3,82120232024: 3,9902025: 5,76720252026: 5,250

Location

Registered office in Leeds (Leeds), Leeds, Yorkshire and The Humber.

Leeds (Leeds)
Live companies in Leeds (Leeds)41,374
Same activity in Leeds (Leeds)314
Live companies in Leeds63,931
New in Leeds (Leeds), past 12 months5,335

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.