GB · Companies House · Ownership structure

ENCYCLIS MIDCO LIMITED

Company number 13920244 · Private Limited Company · Active. Its ownership runs 3 layers up, and it holds shares in 14 companies across 5 layers, from confirmation statements at Companies House.

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Ownership chart

ENCYCLIS MIDCO LIMITED's ownership structure

Owners above, the companies it holds below, from confirmation statements filed at Companies House.

OWNERS · 4OWNERS · 3OWNERS · 2OWNERS · 1COMPANYHOLDINGS · 1HOLDINGS · 2HOLDINGS · 3HOLDINGS · 4HOLDINGS · 537,567,478,260 shares487,490,101 shares43,132,851,010 shares41,484,253 shares2,808 shares107 shares26,275,654 shares3 shares145 shares86 shares50%2 sharesENCYCLIS MIDCO LIMITEDENCYCLIS MIDCO LIMITEDCompany 13920244ENCYCLIS HOLDCO LIMITEDENCYCLIS HOLDCOLIMITEDCompany 13739623COVERT UK TOPCO LIMITEDCOVERT UK TOPCOLIMITEDCompany 1414600311 SHAREHOLDERSCOVERT LUXCO II S.Ã R.L.COVERT LUXCO II S.…51,760,543,990 sharesEQT-I CO-INVEST PLATFORM (NO.9) SCSPEQT-I CO-INVEST PL…1,104,423,703 sharesCO-INVEST PLATFORM (NO.1) SCSPCO-INVEST PLATFORM…853,501,414 sharesCO-INVEST PLATFORM (NO.7) SCSPCO-INVEST PLATFORM…512,100,889 sharesCOVERT UK TOPCO EMPLOYEE BENEFIT TRUSTCOVERT UK TOPCO EM…113,090,285 sharesand 5 more · full listENCYCLIS BIDCO LIMITEDENCYCLIS BIDCO LIMITEDCompany 13920146ENCYCLIS PROTOS HOLDCO LIMITEDENCYCLIS PROTOSHOLDCO LIMITEDCompany 11915696ENCYCLIS LIMITEDENCYCLIS LIMITEDCompany 05845046ENCYCLIS (WELLINGBOROUGH) LIMITEDENCYCLIS(WELLINGBOROUGH)…Company 14400301ENCYCLIS NEWHURST HOLDCO LIMITEDENCYCLIS NEWHURSTHOLDCO LIMITEDCompany 12185337ENCYCLIS ROOKERY HOLDCO LIMITEDENCYCLIS ROOKERYHOLDCO LIMITEDCompany 11347927PROTOS ERF LIMITEDPROTOS ERF LIMITEDCompany 11922737NEWHURST ERF HOLDING LIMITEDNEWHURST ERF HOLDINGLIMITEDCompany 11998817PROTOS 33 LIMITEDPROTOS 33 LIMITEDCompany 12099876ROOKERY SOUTH LIMITEDROOKERY SOUTH LIMITEDCompany 07094843The company report: the owners of these companies and the levels above, where possible.Owners of these companiesand above levels, where possibleIn the company report ›
ENCYCLIS MIDCO LIMITEDCompany with its own page hereOther UK companyPerson or holder without a UK company numberMasked: in the company reportOwners and above levels: in the company report60%Stake

Company report

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The free view masks some of the names and stakes in ENCYCLIS MIDCO LIMITED's structure. The company report shows every shareholder and holding with stakes, layer by layer, the directors and their other companies, accounts, charges and insolvency history, and multiple layers of shareholders and directors found in 23 European countries. Ready in 24 hours, or 2 days for the global check, sent to your email.

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Company facts

Company number
13920244
Status
Active
Company type
Private Limited Company
Incorporated
16 February 2022
Registered office
London
Country of origin
United Kingdom
Business
Activities of other holding companies n.e.c.
Latest accounts type
Full
Shareholder layers
3
Companies held
1 directly, 14 in total

Company details from the Companies House register of 1 September 2026.

At a glance

ENCYCLIS MIDCO LIMITED's ownership

  • Its latest confirmation statement with a shareholder list (13 September 2024) lists 1 shareholder: 1 company.
  • Its ownership runs 3 layers up, through ENCYCLIS HOLDCO LIMITED and COVERT UK TOPCO LIMITED.
  • At the top of the chart: COVERT LUXCO II S.Ã R.L., EQT-I CO-INVEST PLATFORM (NO.9) SCSP and CO-INVEST PLATFORM (NO.1) SCSP.
  • ENCYCLIS MIDCO LIMITED holds shares in 1 company directly and 14 in total, across 5 layers.

From confirmation statements filed at Companies House up to 19 June 2026. Shareholdings can change at any time: check the current position live before relying on it.

Shareholders · 3 layers

Who owns ENCYCLIS MIDCO LIMITED

ENCYCLIS MIDCO LIMITED's shareholders as listed in its latest confirmation statement, then the shareholders of each shareholder that is a UK company, layer by layer.

Every shareholder, layer by layer (13)

Layer 1

Shareholders of ENCYCLIS MIDCO LIMITED · statement of 13 September 2024

ShareholderStakeSharesClass
ENCYCLIS HOLDCO LIMITED
Company 13739623
—37,567,478,260ORDINARY

Layer 2

Shareholders of ENCYCLIS HOLDCO LIMITED · statement of 13 September 2023

ShareholderStakeSharesClass
COVERT UK TOPCO LIMITED
Company 14146003
—487,490,101ORDINARY

Layer 3

Shareholders of COVERT UK TOPCO LIMITED · statement of 24 January 2026

ShareholderStakeSharesClass
COVERT LUXCO II S.Ã R.L.—51,760,543,990A ORDINARY / B ORDINARY / C ORDINARY
Masked · in the company report———
EQT-I CO-INVEST PLATFORM (NO.9) SCSP—1,104,423,703A ORDINARY
CO-INVEST PLATFORM (NO.1) SCSP—853,501,414A ORDINARY
CO-INVEST PLATFORM (NO.7) SCSP—512,100,889A ORDINARY
COVERT UK TOPCO EMPLOYEE BENEFIT TRUST—113,090,285B ORDINARY / C ORDINARY
KARL-HEINZ ALFONS MULLER—25,250,000B ORDINARY / D ORDINARY
MARK BURROWS SMITH—12,625,000B ORDINARY / D ORDINARY
MIRIAM VALERIE GREENWOOD—10,100,000B ORDINARY / D ORDINARY
ELIZABETH MARIAN BARBER—7,575,000B ORDINARY / D ORDINARY
PHILIP NOLAN—50,000E ORDINARY

People with significant control · 1 current

Who controls ENCYCLIS MIDCO LIMITED

ENCYCLIS MIDCO LIMITED's people with significant control as registered at Companies House on 12 November 2026: 1 current and 2 former. They are the people and companies that hold more than 25% of its shares or voting rights, or otherwise control it.

Current (1)

NameNature of controlNotifiedDetails
Encyclis Holdco LimitedShares: 75% or more
Voting rights: 75% or more
Right to appoint and remove directors
16 February 2022Company · Private Company Limited By Shares · England · number 13739623

Former (2)

NameNature of controlNotifiedCeased
Mr Max Anthony Philip SeelyRight to appoint and remove directors16 February 202210 November 2022
Mr Thomas Edward SpicerRight to appoint and remove directors16 February 202210 November 2022

Holdings · 5 layers

What ENCYCLIS MIDCO LIMITED holds

UK companies whose latest confirmation statement lists ENCYCLIS MIDCO LIMITED as a shareholder, then the companies those hold, layer by layer.

Every company held, layer by layer (14)

Layer 1

Companies held by ENCYCLIS MIDCO LIMITED

CompanyStatusStakeSharesClassStatement
ENCYCLIS BIDCO LIMITED
Company 13920146
Active—43,132,851,010ORDINARY19 July 2025

Layer 2

Companies held by ENCYCLIS BIDCO LIMITED

CompanyStatusStakeSharesClassStatement
ENCYCLIS PROTOS HOLDCO LIMITED
Company 11915696
Active—41,484,253A SHARES / B SHARES / C SHARES / ORDINARY30 March 2026
Masked · in the company report—————
ENCYCLIS LIMITED
Company 05845046
Active—2,808ORDINARY13 June 2023
ENCYCLIS (WELLINGBOROUGH) LIMITED
Company 14400301
Active—107ORDINARY4 October 2024

Layer 3

Companies held by ENCYCLIS PROTOS HOLDCO LIMITED

CompanyStatusStakeSharesClassStatement
Masked · in the company report—————

Companies held by a masked company

CompanyStatusStakeSharesClassStatement
ENCYCLIS NEWHURST HOLDCO LIMITED
Company 12185337
Active—26,275,654ORDINARY SHARE CLASS2 September 2024
ENCYCLIS ROOKERY HOLDCO LIMITED
Company 11347927
Active—3ORDINARY SHARES6 May 2023

Layer 4

Companies held by a masked company

CompanyStatusStakeSharesClassStatement
PROTOS ERF LIMITED
Company 11922737
Active—145ORDINARY2 April 2026

Companies held by ENCYCLIS NEWHURST HOLDCO LIMITED

CompanyStatusStakeSharesClassStatement
NEWHURST ERF HOLDING LIMITED
Company 11998817
Active—86ORDINARY SHARES15 May 2026

Companies held by ENCYCLIS ROOKERY HOLDCO LIMITED

CompanyStatusStakeSharesClassStatement
Masked · in the company report—————

Layer 5

Companies held by PROTOS ERF LIMITED

CompanyStatusStakeSharesClassStatement
PROTOS 33 LIMITED
Company 12099876
Active50%1ORDINARY - B11 July 2021

Companies held by NEWHURST ERF HOLDING LIMITED

CompanyStatusStakeSharesClassStatement
Masked · in the company report—————

Companies held by a masked company

CompanyStatusStakeSharesClassStatement
ROOKERY SOUTH LIMITED
Company 07094843
Active—2ORDINARY4 December 2022

Officers · 3 current

Who runs ENCYCLIS MIDCO LIMITED

ENCYCLIS MIDCO LIMITED's directors and secretaries as registered at Companies House on 12 November 2026: 3 current and 4 former.

Current officers (3)

NameRoleAppointedNationalityCountry of residence
GREGORY, MariaSecretary10 November 2022——
BURROWS SMITH, MarkDirector1 August 2025BritishEngland
CORBEN, Mark Edward MacleodDirector14 October 2023BritishEngland

Former officers (4)

NameRoleAppointedResigned
CHOWDHARY, PriyaDirector10 November 202223 July 2023
MICHAELSON, Richard OwenDirector10 November 20221 July 2025
SEELY, Max Anthony PhilipDirector16 February 202210 November 2022
SPICER, Thomas EdwardDirector16 February 202210 November 2022

Explained

How this chart is built

Every UK company files a confirmation statement with Companies House at least once a year, and private companies list their shareholders in it. The chart takes each company's latest statement with a shareholder list and follows every shareholder that is itself a UK company to that company's own statement, layer by layer. Holdings work the other way: every company whose latest statement lists the company as a shareholder, then the companies those hold.

A stake is the share of the company's issued shares, weighted by nominal value where the statement gives it. Each statement shows the position on its own date. Shareholders are matched to UK companies by their registered names, so a holder can occasionally be matched to the wrong company or not matched at all.

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