Callsign Ltd.
Business and domestic software development · London
ActiveUnited KingdomIncorporated 2010Private Limited Company
Documents & history
Available account evidence and business events. This is not a complete filing history or document library.
Accounts to 2020-06-30
IXBRL · 159 source facts · 22 selected values
Not assessedlegacy record
Accounts to 2020-06-30
IXBRL · 159 source facts · 22 selected values
Not assessed
legacy record
- Reporting period
- 2019-07-01 to 2020-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 92
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- FRS-102-2019-01-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_0091_07277719_20200630
- Source archive
- Accounts_Monthly_Data-June2021.zip
Accounts to 2019-06-30
IXBRL · 139 source facts · 22 selected values
Not assessedlegacy record
Accounts to 2019-06-30
IXBRL · 139 source facts · 22 selected values
Not assessed
legacy record
- Reporting period
- 2018-07-01 to 2019-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 70
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- FRS-102-2014-09-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_0079_07277719_20190630
- Source archive
- Accounts_Monthly_Data-June2020.zip
Accounts to 2018-06-30
IXBRL · 110 source facts · 12 selected values
Not assessedlegacy record
Accounts to 2018-06-30
IXBRL · 110 source facts · 12 selected values
Not assessed
legacy record
- Reporting period
- 2017-07-01 to 2018-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 59
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- FRS-102-2014-09-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_0067_07277719_20180630
- Source archive
- Accounts_Monthly_Data-June2019.zip
Accounts to 2017-06-30
IXBRL · 117 source facts · 14 selected values
Not assessedlegacy record
Accounts to 2017-06-30
IXBRL · 117 source facts · 14 selected values
Not assessed
legacy record
- Reporting period
- 2016-07-01 to 2017-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 56
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- FRS-102-2014-09-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_0052_07277719_20170630
- Source archive
- Accounts_Monthly_Data-March2018.zip
Accounts to 2016-06-30
IXBRL · 75 source facts · 6 selected values
Not assessedlegacy record
Accounts to 2016-06-30
IXBRL · 75 source facts · 6 selected values
Not assessed
legacy record
- Reporting period
- 2015-07-01 to 2016-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 23
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- FRS-102-2014-09-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_0035_07277719_20160630
- Source archive
- Accounts_Monthly_Data-October2016.zip
Accounts to 2014-06-30
IXBRL · 59 source facts · 22 selected values
Not assessedlegacy record
Accounts to 2014-06-30
IXBRL · 59 source facts · 22 selected values
Not assessed
legacy record
- Reporting period
- 2013-07-01 to 2014-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 40
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- uk-gaap-full-2009-09-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_0016_07277719_20140630
- Source archive
- Accounts_Monthly_Data-March2015.zip
Accounts to 2013-06-30
IXBRL · 57 source facts · 20 selected values
Not assessedlegacy record
Accounts to 2013-06-30
IXBRL · 57 source facts · 20 selected values
Not assessed
legacy record
- Reporting period
- 2012-07-01 to 2013-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 38
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- uk-gaap-full-2009-09-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_0004_07277719_20130630
- Source archive
- Accounts_Monthly_Data-March2014.zip
Accounts to 2012-06-30
IXBRL · 52 source facts · 20 selected values
Not assessedlegacy record
Accounts to 2012-06-30
IXBRL · 52 source facts · 20 selected values
Not assessed
legacy record
- Reporting period
- 2011-07-01 to 2012-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 36
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- uk-gaap-main-2009-09-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_9988_07277719_20120630
- Source archive
- Accounts_Monthly_Data-March2013.zip
Accounts to 2011-06-30
IXBRL · 22 source facts · 3 selected values
Not assessedlegacy record
Accounts to 2011-06-30
IXBRL · 22 source facts · 3 selected values
Not assessed
legacy record
- Reporting period
- 2010-06-08 to 2011-06-30
- Extraction status
- Legacy / not assessed
- Numeric facts
- 6
- Documents processed
- Not recorded
- XBRL standards validation
- Not assessed
- Filing-profile validation
- Not assessed
- Parser
- Legacy parser
- Taxonomy
- uk-gaap-main-2009-09-01.xsd
- Currency
- GBP
- Source identifier
- Prod224_9967_07277719_20110630
- Source archive
- Accounts_Monthly_Data-June2011.zip
Registered details
07277719- Status
- Active
- Type
- Private Limited Company
- Incorporated
- 2010-06-08
- Jurisdiction
- —
- Registered office
- 138 CHEAPSIDE, 2ND FLOOR, LONDON, EC2V 6BJ, ENGLAND
Classification
2 SIC codes6201262090
Capital & company events
Reconstructed equity rounds and matched research funding.
Equity fundraising
0 SH01-derived roundsNo reconstructed allotment rounds.
Research and innovation
3 matched grantsPetras 2SPF · Research Grant · 2019-01-01 – 2024-06-29 · with 96 other participants£13,849,999whole project
Petras 2
SPF · Research Grant · 2019-01-01 – 2024-06-29 · with 96 other participants
£13,849,999
whole project
University College LondonleadAirbus GroupAmadeus Capital Partners LimitedArm LimitedAtomic Weapons EstablishmentBalfour BeattyBarclaysBritish Broadcasting Corporation (BBC)British GasBritish Standards Institute (BSI Group)BT GroupBT plcBuilding Research EstablishmentCallsign LtdCardiff UniversityCarillionCenter for Digital Built BritainChurch of EnglandCisco International LimitedCISCO SystemsCityVerveConcentra AnalyticsCostain GroupCostain (United Kingdom)Creative Space Management LtdCube Controls LtdDefence Science & Technology Laboratory (DSTL)Department of TransportDigital CatapultEdf Energy R&D UK Centre LimitedEverLedgerFujitsuGovernment Communications Headquarters (GCHQ)Greater London Authority (GLA)Grove ISGSM Association (GSMA)Her Majesty's Government CommunicationsHolst Centre and Phillips, HollandHome OfficeImperial College LondonIntel CorporationInterDigitalIn Touch LtdIoT Security FoundationL3 TRL TechnologyLondon Legacy Development CorporationLudwig Maximilian University of Munich (LMU Munich)MASS Consultants LimitedMeridian Mobility UKMevaluateMevaluate Holding LimitedMicrosoft ResearchMicrosoft Research LimitedNational Institute of Standards & Technology (NIST)NEC CorporationNettitude LimitedNetwork Rail LtdNewman & Spurr Consultancy LimitedNexorNexor LtdO2 Telefonica Europe plcO2 (UK) LtdOrdnance SurveyOrdnance Survey LimitedParsons BrinckerhoffPinsent MasonsPinsent Masons LLPPoplar HARCAPurple Secure SystemsQinetiQ (Malvern)Qonex LtdRaytheon Systems LtdRoyal Bank of ScotlandRoyal Institute of TechnologySingapore Management University (SMU)Sogeti Nederland B.V.SOG LimitedSurrey And Borders Partnership NHS Foundation TrustTateTelefonica S.ATelefonica UKThales GroupThe British Broadcasting Corporation (BBC)Toshiba Research Europe LTDTransport Research Laboratory Ltd (TRL)TRL Ltd (Transport Research Laboratory)TUV Product Service LtdTÜV SÜD Product ServiceUniversity of BristolUniversity of LuganoUniversity of OttawaUniversity Of OxfordUniversity of SouthamptonUniversity of SurreyWhich?Xain AGZTE Corpoation
Cyber Security of the Internet of ThingsEPSRC · Research Grant · 2016-02-29 – 2019-08-30 · with 21 other participants£1,235,329whole project
Cyber Security of the Internet of Things
EPSRC · Research Grant · 2016-02-29 – 2019-08-30 · with 21 other participants
£1,235,329
whole project
University of WarwickleadBritish GasBT GroupBuilding Research EstablishmentCallsign LtdConcentra AnalyticsCostain GroupDigital CatapultEverLedgerIoT Security FoundationL3 TRL TechnologyMeridian Mobility UKMetropolitan Police ServiceNexor LtdO2 Telefonica Europe plcOpen GroupOrdnance SurveyPinsent MasonsTransport Research Laboratory Ltd (TRL)TÜV SÜD Product ServiceUniversity of SouthamptonWhich?
Cyber Security of the Internet of ThingsEPSRC · Research Grant · 2016-02-29 – 2019-08-30 · with 142 other participants£4,559,840whole project
Cyber Security of the Internet of Things
EPSRC · Research Grant · 2016-02-29 – 2019-08-30 · with 142 other participants
£4,559,840
whole project
University College LondonleadAirbus GroupAlan Turing InstituteAmadeus Capital Partners LimitedAtomic Weapons EstablishmentBalfour BeattyBarclaysBarclays Bank PLCBaylor College of MedicineBoston UniversityBRE Trust (Building Res Excellence)British Broadcasting Corporation (BBC)British GasBritish Gas PlcBritish Standards Institute (BSI Group)BT GroupBT plcBuilding Research EstablishmentCallsignCallsign LtdCardiff UniversityCarillionChurch of EnglandCisco International LimitedCISCO SystemsCisco Systems UKCityVerveConcentraConcentra AnalyticsCostain GroupCostain (United Kingdom)Cube Controls LtdDefence Science & Technology Laboratory (DSTL)Dementia UKDepartment of TransportDigital CatapultDSTL Porton DownDuke UniversityEE LimitedEverLedgerFamily Online Safety InstituteFujitsuGoogleGovernment Communications Headquarters (GCHQ)Greater London Authority (GLA)Grove ISHer Majesty's Government CommunicationsHis Majesty's Government CommunicationsHolst Centre and Phillips, HollandHolst Centre (Imec-NL)Home OfficeHong Kong Applied Science and Technology Research InstituteImperial College LondonInstitute for SustainabilityInstitute for SustainabiltyIntel CorporationIntel Corporation (UK) LtdInterDigitalInterDigital (United Kingdom)In Touch LtdInTouch LtdIoT Security FoundationJinan UniversityL-3 TRL TechnologyL3 TRL TechnologyLancaster City CouncilLloyds BankLondon Legacy Development CorporationMASS Consultants LimitedMASS Consultants LtdMeridian Mobility UKMevaluateMevaluate Holding LimitedMicrosoft ResearchMicrosoft Research LimitedNational Crime AgencyNational Institute of Standards & Technology (NIST)National Society for the Prevention of Cruelty to ChildrenNational University of SingaporeNEC CorporationNEC Telecom MODUS LtdNettitude LimitedNettitude LtdNetwork RailNetwork Rail LtdNewman & Spurr Consultancy LimitedNexor LtdNokia CorporationNscNvidiaO2 Telefonica Europe plcOrdnance SurveyOrdnance Survey LimitedParsons BrinckerhoffPinsent MasonsPinsent Masons LLPPoplar HARCAPrivitarPurple Secure SystemsPurple Secure Systems LtdQonexQonex LtdRaytheon BBN TechnologiesRaytheon Systems LtdRefugeRoyal Bank of ScotlandSiemens AGSiemens plc (UK)Singapore Management University (SMU)Sogeti Nederland B.V.Sogeti UK LimitedSouthampton City CouncilTelefonica S.ATeocoThales GroupThales UK LimitedThe British Broadcasting Corporation (BBC)The London Legacy Development CorporationThe Micro:bit Educational FoundationThe Royal Bank of Scotland PLCToshiba Europe UK LimitedToshiba Research Europe LTDTransport Research Laboratory Ltd (TRL)Transport Systems CatapultTRL Ltd (Transport Research Laboratory)TÜV SÜD Product ServiceUniversity of BristolUniversity of GeorgiaUniversity of Italian SwitzerlandUniversity of LuganoUniversity Of NottinghamUniversity of OttawaUniversity Of OxfordUniversity of PittsburghUniversity of SouthamptonUniversity of SurreyUniversity of WarwickWarwickshire PoliceWhich?WSP Group plc UKXain AGZTE CorpoationZte (UK)