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ILLINGWORTH RESEARCH GROUP LIMITED

Active
03656301·incorporated 1998-10-26

ILLINGWORTH RESEARCH GROUP LIMITED is an active UK private limited company, incorporated on 26 October 1998 at Companies House (number 03656301; OpenRegistry canonical ID GB-03656301-illingworth-research-group-limited). Sophymarine's OpenRegistry classifies it under SIC 86900 (Other human health activities), one of 82,098 active UK entities in that code and one of 3,796 active companies registered in Farnborough (postcode GU14). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
1998-10-26
Registered Address
FARNBOROUGH BUSINESS PARK, 1 PINEHURST ROAD, FARNBOROUGH, GU14 7BF, ENGLAND
SIC
86900 — Other human health activities
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

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Filings

Check filing history of ILLINGWORTH RESEARCH GROUP LIMITED

Accounts

Last filed accounts made up to 2024-12-31. Next accounts due 2026-09-30. Financial year-end: 31/12. Filing class: FULL.

Confirmation statement

Last confirmation statement made up to 2025-12-20. Next confirmation statement due 2027-01-03.

Mortgages and charges

2 charges recorded against the company at Companies House: 2 outstanding, 0 satisfied, 0 partially satisfied.

Persons with significant control

ILLINGWORTH RESEARCH GROUP LIMITED has 1 person with significant control on file:

  • Syneos Health Ba Limited (England And Wales reg. 13084253). Notified 2020-12-17.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

2 historical PSC records have ceased:

  • Mr John Malcolm Illingworth born 1960 resident in England, British national. Notified 2016-04-06. Ceased 2020-12-17.
    • Has significant influence or control
    • Significant Influence Or Control As Firm
  • Illingworth Research Limited (England And Wales reg. 10538469). Notified 2020-12-17. Ceased 2020-12-17.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

Previous names

ILLINGWORTH RESEARCH GROUP LIMITED has previously traded as:

  • ILLINGWORTH RESEARCH LIMITED (until 2017-01-17)
  • CLINICAL DEVELOPMENT AND SUPPORT SERVICES LIMITED (until 2011-04-01)

Similar UK companies

Other companies registered under SIC 86900 (Other human health activities):

Other companies registered in Farnborough:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/03656301.

Source: Companies House Free Company Data, refreshed 2026-06-06. Official record: find-and-update.company-information.service.gov.uk.