OSIC FTSE 100 & S&P 500 OSINT baseline

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Barclays Financial Services

FTSE 100 constituent (BARC)

Overview

Barclays operates in financial services and runs its group corporate site from home.barclays, separate from the .co.uk and .com domains also on record. A crawl of that domain fetched 200 pages, logging 8167 internal links and 197 external links; TLS is issued by DigiCert Inc, HSTS is enabled, and no CSP is present. Four subdomains are on record, including www.barclays.co.uk, www.barclayscorporate.com and barclayslifeskills.com, the last returning 200 pages and 227 external links on its own crawl. Infrastructure spans AS16174 (Intuitiv Ltd., GB) and AS16625 (Akamai Technologies, Inc., NL); DNS shows SPF present, DMARC set to reject, and no MX hosts. Companies House lists number 00048839 as active, incorporated 20 July 1896 under SIC code 64191 - Banks, with zero persons with significant control. A GitHub organisation, Barclays, holds one repository - research_data_science, in Python - with 19 stars, attribution confirmed.

Generated from the data on this page and independently fact-checked against it.

Web presence

Primary domain: home.barclays. 419 subdomains observed via Certificate Transparency and direct crawl.

200 pages fetched from home.barclays on 2026-08-26 — 8167 internal links observed, 37707206 bytes. Page title: “Barclays Group corporate website | Barclays”

TLS issued by DigiCert Inc, valid 2025-08-28 – 2026-09-28. Certificate also covers: accessibility.barclays.com, barclaycard.com, barclays.com, barclaysaccelerator.com, barclayscodeplayground.co.uk, barclayscommunications.com, barclaysfootball.com, communications.global.barclays, grouppseudo.com, groupvanity.com, home.barclaycard, newsroom.barclays.com, rise.barclays, webcasts.barclays.com, www.accessibility.barclays.com, www.barclaycard.com, www.barclays.com, www.barclaysaccelerator.com, www.barclayscodeplayground.co.uk, www.barclayscommunications.com, www.barclaysfootball.com, www.grouppseudo.com, www.groupvanity.com, www.home.barclaycard, www.home.barclays, www.newsroom.barclays.com. — HSTS enabled, CSP not seen, X-Frame-Options: SAMEORIGIN.

Links out to 197 external domains (from the crawled site, most recent pass), top 50 shown: adr.com, advancedelectricmachines.com, agricarbon.co.uk, assets.publishing.service.gov.uk, bank.barclays.co.uk, barclays.avature.net, barclays-climate-tech.captivate.fm, barclays.emincote.com, barclayslifeskills.com, barclays.qumucloud.com, barclays.talent-community.com, barclays.wd3.myworkdayjobs.com, bbia.org.uk, blog.siemens.com, bofa.veracast.com, bpf.org.uk, brand.barclays, businessclimatehub.uk, carbonaccountingfinancials.com, cards.barclaycardus.com, cebr.com, clicktime.symantec.com, cloudsmith.com, dealogic.com, developer.barclays.com, digital.wings.uk.barclays, econcretetech.com, edge.media-server.com, energydome.com, epicforamerica.org, equator-principles.com, eur01.safelinks.protection.outlook.com, event.webcasts.com, gemserv.com, ghgprotocol.org, home.treasury.gov, htmaterialsscience.com, ib1.org, international.barclays.com, investamerica.org, invest.shareview.co.uk, iuk-business-connect.org.uk, kvgo.com, labs.uk.barclays, live.irooms.net, londontechweek.com, mcmw.abilitynet.org.uk, mindgard.ai, morganstanley.webcasts.com, musetax.com — and 147 more

HostnameSourceFirst seen
www.barclayspartnerfinance.commanual2026-08-28
barclayslifeskills.commanual2026-08-27
www.barclays.co.ukmanual2026-08-27
www.barclayscorporate.commanual2026-08-27
zuora-ebvp-gl.barclays.co.ukcertificate_transparency2026-08-26
service-m7-prod-gl.barclays.co.ukcertificate_transparency2026-08-26
home.barclaysmanual2026-08-26
mqsl63l0-adp.barclays.co.ukcertificate_transparency2026-08-26
salesforce.barclays.co.ukcertificate_transparency2026-08-26
buk-b2c-moisit-cs80-my-salesforce-com.barclays.co.ukcertificate_transparency2026-08-26
buk-b2b--bdaseva-my-salesforce-out.barclays.co.ukcertificate_transparency2026-08-26
barclays-uat-bank.netdeposit.barclays.co.ukcertificate_transparency2026-08-26
identity-staging-marketinvoice-client.barclays.co.ukcertificate_transparency2026-08-26
mortgagevaluation-oat.barclays.co.ukcertificate_transparency2026-08-26
partnerinsight-salesforce-picit-outbound.barclays.co.ukcertificate_transparency2026-08-26
bemt.barclays.co.ukcertificate_transparency2026-08-26
signit-app.barclays.co.ukcertificate_transparency2026-08-26
b2b-bne-imiconnect2way-sit.barclays.comcertificate_transparency2026-08-26
fcuatuae.barclays.comcertificate_transparency2026-08-26
suatipsverizon.barclays.comcertificate_transparency2026-08-26
b2b-bne-imiconnect2way-uat.barclays.comcertificate_transparency2026-08-26
bi-b2b-corpsipc.my.salesforce-nft.barclays.co.ukcertificate_transparency2026-08-26
bps-rapid.barclays.comcertificate_transparency2026-08-26
pp10.landg-test.barclays.comcertificate_transparency2026-08-26
merchant-salesforce-cs20.barclays.co.ukcertificate_transparency2026-08-26

Related domains

Sister brands, subsidiaries and other domains also traced to this organisation — found among its own site's external links, and independently crawled the same way as the primary domain above. Some turn out bigger than the primary site itself.

DomainStatusPages crawledExternal linksRegistrarNameservers
barclays.com candidate — — CSC Corporate Domains, Inc. a1-71.akam.net, a10-66.akam.net, a11-67.akam.net, a12-64.akam.net, a18-65.akam.net, a9-66.akam.net, ns2.barcap.com, ns3.barcap.com, ns7.barcap.com
barclayscorporate.com candidate 200 152 CSC Corporate Domains, Inc. a1-71.akam.net, a10-66.akam.net, a11-67.akam.net, a12-64.akam.net, a18-65.akam.net, a9-66.akam.net, ns2.barcap.com, ns3.barcap.com, ns7.barcap.com
barclays.co.uk candidate 200 134 CSC Corporate Domains, Inc a1-71.akam.net, a10-66.akam.net, a11-67.akam.net, a12-64.akam.net, a18-65.akam.net, a9-66.akam.net, ns2.barcap.com, ns3.barcap.com, ns7.barcap.com
barclayslifeskills.com candidate 200 227 CSC Corporate Domains, Inc. a1-71.akam.net, a10-66.akam.net, a11-67.akam.net, a12-64.akam.net, a18-65.akam.net, a9-66.akam.net, ns2.barcap.com, ns3.barcap.com, ns7.barcap.com
barclayspartnerfinance.com candidate 76 64 CSC Corporate Domains, Inc. a1-71.akam.net, a10-66.akam.net, a11-67.akam.net, a12-64.akam.net, a18-65.akam.net, a9-66.akam.net, ns2.barcap.com, ns3.barcap.com, ns7.barcap.com

Infrastructure

Hosted on: AS16174 INTUITIV-AS - Intuitiv Ltd., GB (GB), AS16625 AKAMAI-AS - Akamai Technologies, Inc., US (NL)

No MX records. SPF present. DMARC policy: reject. Nameservers: a1-71.akam.net, a10-66.akam.net, a11-67.akam.net, a12-64.akam.net, a18-65.akam.net, a9-66.akam.net.

Registered via CSC Corporate Domains, Inc.. Registered 2015-04-28. Expires 2027-04-28.

Digital sovereignty

0/5 — categories confirmed not tied to a US-controlled company, out of DNS, registrar, TLS certificate, host and mail. Ultimate ownership, not the jurisdiction of the specific entity observed: a subsidiary like Google Ireland still counts as American. See the full cross-index comparison.

US DNS · US Registrar · US TLS certificate · US Primary host · – Inbound mail

DNS: Akamai Technologies. Registrar: CSC Corporate Domains. TLS certificate: DigiCert, Inc.. Primary host: Akamai Technologies.

Vendor footprint

No vendor identified from published DNS yet. See the full vendor footprint comparison.

Corporate record

Company number 00048839, Active, incorporated 1896-07-20. SIC: 64191 - Banks. Registered office: 1 CHURCHILL PLACE, LONDON, E14 5HP. Last confirmation statement: 2025-11-01. Last accounts made up: 2025-12-31.

Persons with significant control (from the public register; month/year of birth only, matching Companies House's own disclosure limit):

Public engineering footprint

Barclays on GitHub — 1 public repositories, 19 stars total.