PUBLIC-CONTRACT SUPPLIER PROFILE

RONSEK LIMITED

Companies House 05133530 · Active. Observed evidence is kept separate from ownership, risk and renewal inferences.

Published notices1120 Feb 2025 to 17 Sept 2026
Distinct buyers2published buyer labels
Disclosed GBP£51.6knotice fields, not revenue
End-date leads5next 24 months · verify
REGISTERED IDENTITY

RONSEK LIMITED

Company number
05133530
Status
Active
Incorporated
20 May 2004
Company type
Private Limited Company
Registered office
7 BOUNDARY ROAD, BISHOPS STORTFORD, HERTFORDSHIRE
SIC codes
72190 - Other research and experimental development on natural sciences and engineering, 74909 - Other professional, scientific and technical activities n.e.c.
Accounts last made up
19 May 2025
Next accounts due
19 Feb 2027
LEI
No exact held link
LEI registration
Not available
Check the current register ↗
PUBLISHED SUPPLIER ALIASES

1 labels

Names are retained exactly as published and are not treated as separate legal entities.

  1. RONSEK LIMITED11 notices · latest 17 Sept 2026
SUPPLIER EVIDENCE GRAPH

What is linked—and how certain is the link?

Every relationship carries its source, date and match method. Exact identifier edges are observed; name-derived ownership or group paths remain inferred.

ObservedInferred · verifyNo combined risk score
OBSERVED · identityExact / sourced

Published supplier identifier → Companies House 05133530

RONSEK LIMITED

SourceCompanies House companies linked to contracts or charities ↗Date25 Jul 2026Method

Exact GB-COH company number published on a Contracts Finder supplier record and resolved to the same register number.

CORPORATE GROUP / OWNERSHIPNot established

No exact corporate-parent edge established

The exact identity projection does not contain a publishable parent edge for this supplier. Absence is not evidence of independence.

SourceCompanies House exact identity ↗Date25 Jul 2026Method

Checked exact Companies House identity, held LEI identity where present and the Who Owns This Brand name candidate; no exact parent edge returned.

Continue at Who Owns This Brand ↗
FUNDING ROUNDSCoverage gap

No exact verified funding record linked

The held funding directory did not return a verified exact-company match. That does not prove the company has never raised capital.

SUPPLIER RISK & RENEWAL SIGNALS

Evidence first. Interpretation second.

These inputs help prioritise research; they do not rate supplier quality, solvency, integrity or future award prospects.

OBSERVED

Published and registered facts

OBSERVED EVIDENCE

R2 register status: Active

RONSEK LIMITED · incorporated 20/05/2004. The R2 record excludes officers, PSCs, addresses and contact data.

SourceCompanyBeacon Companies House organisation projection ↗Date1 Aug 2026Method

Exact Companies House number 05133530 resolved through the approved 5.7-million-record R2 projection.

OBSERVED EVIDENCE

5 published contract end dates in the next 24 months

3 fall within 12 months. End dates do not prove a reprocurement or renewal.

SourceContracts Finder daily award notices ↗Date13 Oct 2026Method

Exact supplier company number 05133530; date window applied to published contract_end fields.

INFERRED

Derived review signals

INFERRED · REVIEW SIGNALReview

91% of linked notices name the leading buyer

UK RESEARCH & INNOVATION appears on 10 of 11 linked notices. This is notice concentration, not revenue dependency.

SourceContracts Finder daily award notices ↗Date13 Oct 2026Method

Derived share = leading buyer notice count ÷ all exact-company-linked notices; values and contract delivery are not used.

INFERRED · REVIEW SIGNAL

3 near-term renewal research leads

A published end date is used only to prioritise source checks. It does not predict buyer intent, supplier retention or a future tender.

SourceContracts Finder daily award notices ↗Date13 Oct 2026Method

Derived from published contract end dates within 12 and 24 months of the current date.

No supplier risk score: Observed records and inferred review signals are never combined into a supplier risk score. Missing evidence is not a clean bill of health, proof of independence or proof that no funding or ownership relationship exists.

REGIONAL CONTRACT FOOTPRINT

Where the notices say delivery happens

These are award-notice delivery fields, not headquarters, workforce location or measured local economic impact. ONS population is neutral regional context.

Not stated11 notices
Buyers
2
Disclosed GBP
£51.6k
ONS population
Not joined
SourceContracts Finder daily award notices ↗Date13 Oct 2026Method

Exact supplier company number 05133530; grouped by the delivery region published on each award notice. This is not supplier-headquarters geography.

PUBLISHED END-DATE EVIDENCE

Contracts approaching their stated end date

Showing 5 of 5 records ending within 24 months. This is a research queue, not a renewal forecast.

Published end date31 Aug 202712-month window

ITT for project 10180711

UK RESEARCH & INNOVATION

SourceContracts Finder daily award notices ↗Date17 Sept 2026Method

Exact supplier company number 05133530; contract end date copied from the published award notice.

Published end date30 Sept 202712-month window

ITT for project 10167518

UK RESEARCH & INNOVATION

SourceContracts Finder daily award notices ↗Date19 Feb 2026Method

Exact supplier company number 05133530; contract end date copied from the published award notice.

Published end date30 Sept 202712-month window

ITT for project 10168953

UK RESEARCH & INNOVATION

SourceContracts Finder daily award notices ↗Date2 Feb 2026Method

Exact supplier company number 05133530; contract end date copied from the published award notice.

Published end date31 Jan 202824-month window

ITT for project 10180300

UK RESEARCH & INNOVATION

SourceContracts Finder daily award notices ↗Date6 Feb 2026Method

Exact supplier company number 05133530; contract end date copied from the published award notice.

Published end date31 Aug 202824-month window

ITT For Project 10199575

Innovate UK

SourceContracts Finder daily award notices ↗Date10 Sept 2026Method

Exact supplier company number 05133530; contract end date copied from the published award notice.

BUYER HISTORY

Authorities buying from this supplier

SECTOR HISTORY

What the notices cover

CONTRACT EVIDENCE

Latest published notices

Open the permanent evidence page, then verify material facts at the official source.

17 Sept 2026 · region not statedITT for project 10180711UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£4,60010 Sept 2026 · region not statedITT For Project 10199575Innovate UK · Project-supervision services other than for construction work£5,50019 Feb 2026 · region not statedITT for project 10167518UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£5,2996 Feb 2026 · region not statedITT for project 10180300UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£6,0162 Feb 2026 · region not statedITT for project 10168953UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£4,94918 Dec 2025 · region not statedITT for projects 10180006, 10179826, 10179937, 10179445, 10180194, 10178703UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£8,53918 Dec 2025 · region not statedITT for project 10164799UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£1,49511 Dec 2025 · region not statedITT for project 10167658UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£10,38029 Oct 2025 · region not statedITT for project 10171370UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£1,31729 Oct 2025 · region not statedITT for project 10173352UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£1,31720 Feb 2025 · region not statedITT for Project 10125891UK RESEARCH & INNOVATION · Project-supervision services other than for construction work£2,167
PROVENANCE

Source dates and licences

Charity Commission public registerOpen Government Licence v3.0Imported 25 Jul 2026Companies House companies linked to contracts or charitiesCompanies House free company data product termsImported 25 Jul 2026Contracts Finder daily award noticesOpen Government Licence v3.0Imported 14 Oct 2026

Notice values may be framework ceilings, amendments or multi-supplier totals. They are not verified revenue, payment, delivery quality, profitability or proof of wrongdoing.