Active07407260Private limited companyLondon

GELSTAR LIMITED

Significant control: Engin Ertosun (significant control), Osman Ertosun (significant control)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

Watch this company

Get an email when Companies House records a change for Gelstar Limited: status, filings, accounts, officers or owners. Free.

Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy

Coming soon · product and service lists

What does Gelstar Limited sell?

Registered activity: Development of building projects (SIC 41100). We’re building product and service lists for UK companies. Get this one when it’s ready.

One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01

Summary

Generated from filed data · no estimates

GELSTAR LIMITED is an active private limited company (company number 07407260) incorporated on 14 October 2010, registered in London. Its registered activity is development of building projects (SIC 41100). Latest full accounts cover the period ending 31 March 2025, showing net assets of £12.02m and cash of £202k, with 1 employee on average. Net assets rose 14% on the prior period (£10.57m).

Peer position · net assets

By net assets it sits in the top quarter of 12,682 comparable companies in London (median £413, upper quartile £73k).

02

Ownership and control

2 active · 2 other
  • Mr. Engin Ertosun
    Individual · since 4 April 2020
    • has significant influence or control
  • Mr Osman Ertosun
    Individual · since 4 April 2020
    • has significant influence or control
  • Mr. Rusen Ertosun
    Individual · since 30 June 2016 · ceased 3 April 2020
    • has significant influence or control
  • Mrs. Zarif Ertosun
    Individual · since 3 April 2020 · ceased 4 April 2020
    • has significant influence or control

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
14 October 201016 yrs ago
Next accounts due
31 December 2026in 67 days
Confirmation statement due
28 October 2026in 3 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 41100
Development of building projects
SIC 68209
Other letting and operating of own or leased real estate
SIC 68320
Management of real estate on a fee or contract basis
Accounts type
Full
Size band
MicroCompanies Act thresholds
05

Financials

3 periods on record · latest ending 31 March 2025
Net assets
£12.02m
+14%vs Mar 2024
Cash at bank
£202k
+1790%vs Mar 2024
Turnover
Not reported
Employees
1
Not reported the period before
Net assets
£12.02m
Cash at bank
£202k
Profit for the year
£1.45m
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 March 2025£12.02m£202k£10.62m£1.61m—£1.45m1
31 March 2024£10.57m£11k£1.39m£1.45m—£145k—
31 March 2023———————
Current ratio6.74Current assets ÷ creditors within one year
Cash per employee£202kCash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £12,016,604 at 31 March 2025
  • Net assets up 10% or more on the prior period+13.7% vs prior period
  • Current assets at least 1.5× creditors within one yearCurrent ratio 6.74
  • Cash at bank of £50,000 or moreCash £201,572
  • Three or more accounting periods on record3 periods on record
  • Incorporated five or more years agoIncorporated 14 October 2010

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Next accounts duein 67 days
  2. Confirmation statement duein 3 days
  3. Accounts period endNet assets £12.02m · full accounts
  4. Accounts period endNet assets £10.57m · full accounts
  5. Accounts period end
  6. Incorporated
08

Similar companies in London

Same activity (development of building projects), closest in incorporation date
09

Reminders for GELSTAR LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.