ENVIGO HOLDINGS LIMITED
Envigo Holdings Limited is a private limited company registered in England and Wales under company number 03006752. It was incorporated on 6 January 1995 as Hackremco (No.1008) Limited, and traded as Harlan International Limited from March 1995 until September 2015, when it adopted its current name. The company remains active on the Companies House register and continues to file confirmation statements and full annual accounts, most recently for the year ended 30 September 2024.
The registered office of Envigo Holdings Limited is at Hillcrest, Dodgeford Lane, Belton, Loughborough, Leicestershire, LE12 9TE. Companies House classifies the company’s principal activity under SIC code 82110, combined office administrative service activities. The Envigo name has historically been associated in the UK life-sciences sector with contract preclinical research and the breeding and supply of research models, following the 2015 merger of Huntingdon Life Sciences and Harlan Laboratories. Envigo Holdings Limited is not itself listed on any stock exchange, and no separate revenue or employee figures are publicly reported at this legal-entity level.
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Shareholders
1
Shareholders of Envigo Holdings Limited
Envigo Holdings Limited discloses its controlling interest through the UK persons-with-significant-control (PSC) register rather than a full public shareholder list. As of the register retrieved on 24 September 2026, the sole active PSC is Inotiv, Inc., a corporation incorporated in Indiana, United States (US registration number 197507-365) and listed on Nasdaq under the ticker NOTV. Inotiv, Inc. was notified as holding more than 75% of shares, more than 75% of voting rights, and the right to appoint or remove directors, with effect from 5 November 2021.
Three earlier controlling interests are recorded as ceased: Envigo Crs, Inc. (Delaware, US) and Envigo Rms Inc (Indiana, US) each held 75%+ share and voting interests until 2017, and Mr Andrew Baker, a British national resident in Monaco, held a right to appoint/remove directors and a 25-50% shareholding until his interests ceased between December 2017 and February 2020. No percentage below the statutory PSC disclosure threshold is publicly reported.
Data availability
Major shareholders only: the UK PSC regime publishes controlling interests that meet the statutory notification threshold (broadly above 25% of shares or voting rights); it does not publish a complete register of all shareholders or holdings below that threshold.
Sources
- Companies House – Persons with significant control, ENVIGO HOLDINGS LIMITED (03006752): https://find-and-update.company-information.service.gov.uk/company/03006752/persons-with-significant-control – retrieved 24 September 2026
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| ENVIGO RMS LLC | 100% | Companies House |
Officers
17
Directors and officers of Envigo Holdings Limited
Companies House records two active directors and eighteen resigned officers for Envigo Holdings Limited, current as of the register retrieved on 24 September 2026. The current directors are Dr Emanuele Cesana, an Italian national resident in Italy, appointed 31 December 2021, and Lizanne Muller, a British national resident in Wales, appointed 16 June 2026. The resigned officers include eleven former directors, six former company secretaries and two now-resigned corporate nominee appointees (Hackwood Directors Limited and Hackwood Secretaries Limited, both London-registered corporate entities that served briefly in 1995), reflecting the company’s history since incorporation in 1995 under its earlier names.
Recent officer changes
- Lizanne Muller appointed as director, effective 16 June 2026 (Companies House, form AP01).
- Emily Margaret Edmett’s director appointment terminated, effective 16 June 2026 (Companies House, form TM01).
- Michael Gregory O’Reilly’s appointments as director and secretary terminated, effective 30 April 2024 (Companies House filing history).
Data availability
Full: Companies House publishes current and historical officer appointments for Envigo Holdings Limited, including nationality and country of residence for individual officers where disclosed. The two historical corporate nominee appointments are identified as corporate entities rather than natural persons; their own directors are not covered in this section.
Sources
- Companies House – Officers, ENVIGO HOLDINGS LIMITED (03006752): https://find-and-update.company-information.service.gov.uk/company/03006752/officers – retrieved 24 September 2026
- Companies House – Filing history, ENVIGO HOLDINGS LIMITED (03006752): https://find-and-update.company-information.service.gov.uk/company/03006752/filing-history – retrieved 24 September 2026
Registry feed — rows exactly as filed with Companies House, including entries the profile above does not cover.
Group Structure
Group structure of Envigo Holdings Limited
Envigo Holdings Limited is a subsidiary within a wider international corporate group rather than an independent company. Its UK persons-with-significant-control filings identify Inotiv, Inc., a Nasdaq-listed corporation incorporated in Indiana, United States, as the entity with direct ownership and control, holding more than 75% of shares and voting rights and the right to appoint or remove directors, notified 5 November 2021. This filing followed Inotiv’s completed acquisition of the Envigo group of companies, announced in October 2021 and completed in November 2021. No direct or indirect UK subsidiaries of Envigo Holdings Limited are disclosed in Companies House filings. Two earlier US-registered holding entities, Envigo Crs, Inc. and Envigo Rms Inc, held controlling interests that ceased in 2017, prior to the Inotiv acquisition. Information is current as of Companies House filings retrieved 24 September 2026 and reflects UK-registry disclosure only.
Verified corporate relationships
| Entity | Country | Registration number | Relationship | Ownership | Status | Information date |
|---|---|---|---|---|---|---|
| Inotiv, Inc. | United States (Indiana) | 197507-365 | Parent (controlling entity per PSC filing) | 75%+ shares and voting rights | Active | 5 Nov 2021 |
| Envigo Crs, Inc. | United States (Delaware) | 2549590 | Historical controlling entity | 75%+ shares and voting rights | Ceased | 27 Dec 2017 |
| Envigo Rms Inc | United States (Indiana) | 194355-051 | Historical controlling entity | 75%+ shares; 50-75% voting rights | Ceased | 3 Oct 2017 |
Recent structural changes
- Inotiv, Inc. registered as the controlling entity (PSC) of Envigo Holdings Limited, effective 5 November 2021, following completion of Inotiv’s acquisition of the Envigo group (Companies House PSC filing; Inotiv, Inc. company announcement, November 2021).
Data availability
Parent only: Companies House PSC filings confirm the controlling entity of Envigo Holdings Limited, but the UK registry does not disclose any subsidiaries of Envigo Holdings Limited itself, and the full international structure of the wider Inotiv/Envigo group is not captured by UK filings alone.
Sources
- Companies House – Persons with significant control, ENVIGO HOLDINGS LIMITED (03006752): https://find-and-update.company-information.service.gov.uk/company/03006752/persons-with-significant-control – retrieved 24 September 2026
- Inotiv, Inc. – "Inotiv, Inc. Completes Purchase of Envigo", https://www.inotiv.com/news/inotiv-inc.-completes-purchase-of-envigo – retrieved 24 September 2026
Registry feed — rows exactly as filed with Companies House, including entries the profile above does not cover.
Inotiv, Inc.
United States
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Frequently Asked Questions
What does ENVIGO HOLDINGS LIMITED do?
Envigo Holdings Limited (Companies House no. 03006752) is an active UK private limited company incorporated in 1995, formerly known as Harlan International Limited; it is classified under SIC code 82110 (combined office administrative service activities) and is historically linked to the Envigo contract preclinical research and research-models business.
Who owns ENVIGO HOLDINGS LIMITED?
The sole active PSC on the UK register is Inotiv, Inc. (Nasdaq: NOTV), holding 75%+ of shares and voting rights since 5 November 2021; a full shareholder register below the statutory disclosure threshold is not publicly available.
Who is ENVIGO HOLDINGS LIMITED's UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for ENVIGO HOLDINGS LIMITED is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.
What is ENVIGO HOLDINGS LIMITED's company registration number?
ENVIGO HOLDINGS LIMITED's registration number is 03006752, filed with Companies House in United Kingdom. Its current status on the register is active.
Is ENVIGO HOLDINGS LIMITED still an active company?
ENVIGO HOLDINGS LIMITED's status on Companies House is listed as active.
When was ENVIGO HOLDINGS LIMITED incorporated?
ENVIGO HOLDINGS LIMITED was incorporated on 6 January 1995, according to Companies House.
What is ENVIGO HOLDINGS LIMITED's registered address?
The registered address on file for ENVIGO HOLDINGS LIMITED is Loughborough, United Kingdom.
What legal structure is ENVIGO HOLDINGS LIMITED registered as?
ENVIGO HOLDINGS LIMITED is registered as a Private limited company (Ltd.) in United Kingdom.
Who are the officers/directors of ENVIGO HOLDINGS LIMITED?
Two active directors are currently disclosed, Dr Emanuele Cesana (appointed 31 December 2021) and Lizanne Muller (appointed 16 June 2026), alongside 18 resigned officers on record since 1995.
Does ENVIGO HOLDINGS LIMITED have a parent company or subsidiaries?
Envigo Holdings Limited is a subsidiary of Inotiv, Inc., a Nasdaq-listed Indiana corporation, following Inotiv's completed acquisition of the Envigo group in November 2021; no UK subsidiaries of Envigo Holdings Limited are disclosed.
Can Zavia monitor changes to ENVIGO HOLDINGS LIMITED's ownership over time?
This profile reflects a point-in-time snapshot from Companies House. Zavia's monitoring API can track changes to ENVIGO HOLDINGS LIMITED's registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access ENVIGO HOLDINGS LIMITED's data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United Kingdom, so records like ENVIGO HOLDINGS LIMITED's registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from Companies House and was last synced on 25 September 2026.