Riaktor Ltd

Active07354316 Private limited company
Incorporated
24 August 2010 (16 years)
Previously known as
Iar Management Limited (until 1 July 2024)
Amarant-Agro Limited (until 23 May 2023)
This list may be incomplete. See all names on Companies House
Industry
Management of real estate on a fee or contract basis (68320)
Owned by
Sharon Birna Stephensdottir Katanka
Lilja Natasha Katanka
Jakob Agust Harry Katanka Kaye
Accounts type
Total exemption full
Region
Greater London
Address
67 Westow Street
Upper Norwood
SE19 3RW

Filing status

Accounts due
31 December 2027
Last accounts
31 March 2026
Conf. stmt due
15 July 2027
Last conf. stmt
1 July 2026

Charges

Total
6
Outstanding
4
Part satisfied
0
Satisfied
2

Officers 2 active

Officer details are public data from the Companies House register.

Director · Appointed 13 March 2025
British
Born March 1948 (78)
Director · Appointed 13 September 2023
Icelandic
Born December 1973 (52)
Officer history (5 former)
13 March 2025
Appointed Katanka, Stephen Alan as Director
1 July 2024
Resigned Katanka, Stephen Alan as Director
13 September 2023
22 May 2023
Appointed Katanka, Stephen Alan as Director
22 May 2023
Resigned Shalay, Nestor as Director
26 September 2014
Resigned Ison, Sidney Brian as Secretary
26 September 2014
Resigned Ison, Sidney Brian as Director
26 September 2014
Resigned Kaye, Stephen Alan as Director
26 November 2010
Appointed Shalay, Nestor as Director
24 August 2010
Appointed Ison, Sidney Brian as Secretary
24 August 2010
Appointed Ison, Sidney Brian as Director
24 August 2010
Appointed Kaye, Stephen Alan as Director

Ownership 3 active

People and entities with significant control, from the Companies House PSC register

Individual · Notified 1 July 2024
Owns 25–50% of shares
Holds 25–50% of voting rights
Right to appoint and remove directors
Icelandic
Born December 1973 (52)
Lilja Natasha Katanka
Individual · Notified 1 July 2024
Owns 25–50% of shares
Holds 25–50% of voting rights
British
Born November 1978
Jakob Agust Harry Katanka Kaye
Individual · Notified 1 July 2024
Owns 25–50% of shares
Holds 25–50% of voting rights
British
Born February 1981 (45)
Former controllers (2)
1 July 2024
Ceased Stephen Alan Katanka — Owns 75–100% of shares
24 May 2023
Ceased Nestor Shalay — Has significant influence or control

Group structure 19 companies

Ownership group derived from the Companies House PSC register

Riaktor Ltd This company
Accoil Recycling Limited Owns 25–50% of shares
Burnt Mills Developments Ltd Owns 25–50% of shares
Claremont Property Group Ltd Status not confirmedOwns 25–50% of shares
Cow Country Developments Ltd Owns 25–50% of shares
Fearless Developments SL Ltd Owns 75–100% of shares
Fox Hill Development RH Ltd Owns 25–50% of shares
Leifsgata Limited In liquidationOwns 75–100% of shares
Adjustable Polymers Ltd Proposed for strike-offOwns 25–50% of shares
Mudaka Real Estate Limited DissolvedOwns 75–100% of shares
Park Road Investments Ltd Owns 25–50% of shares
Katama Ltd Owns 75–100% of shares
Mattephen Forest Ltd Owns 25–50% of shares
Millbank Ltd Owns 25–50% of shares
Riaktor Facilities Ltd Owns 75–100% of shares
Riaktor Solar Investments Ltd Owns 25–50% of shares
Shaliljak Ltd Owns 75–100% of shares
Vanacomm Ltd In liquidationOwns 25–50% of shares

Financials

Balance sheet as at 31 March 2026 · total exemption full accounts

Net Assets
£1,350,656
Cash
£126,988
Employees
2
Debt Ratio
80%
Current Ratio
1.0x

Trend

Shareholder Funds
£0 £500k £1.0M £1.5M 2020 2021 2022 2023 2024 2025 2026 £37,620 £37,620 £37,620 £36,727 £49,044 £384,146 £1,350,656
Balance sheet detail
2026202520242023202220212020
Fixed Assets£1,347,421£254,673£254,623
Current Assets£5,517,266£2,438,167£133,357£41,312£44,008£44,008£44,008
Debtors£5,390,278£2,358,022£40,000£41,300£21,300£21,300£21,300
Cash£126,988£80,145£93,357£12£22,708£22,708£22,708
Creditors (< 1 year)£5,401,418£2,308,694£338,936£4,585£6,388£6,388£6,388
Creditors (> 1 year)£112,613
Net Current Assets£115,848£129,473(£205,579)£36,727£37,620£37,620£37,620
Net Assets£1,350,656
Shareholder Funds£1,350,656£384,146£49,044£36,727£37,620£37,620£37,620

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
13 July 2026Confirmation statement with no updates1 July 2026
19 June 2026Total exemption full accounts31 March 2026
6 March 2026Registration of a charge
27 January 2026Registration of a charge
27 January 2026Registration of a charge
Show all recent filings

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