{"schema":"rootz.ai/sec-company/v1","layer":1,"cik":"0001087711","name":"Santander UK plc","summary":"Santander UK plc is a UK-based retail and commercial bank, regulated by the PRA and FCA, and a subsidiary of Banco Santander SA. It provides mortgages, consumer auto finance, unsecured loans, credit cards, banking and savings accounts, investment and insurance products to individuals, and growth-focused support and services for businesses. It serves 13.6 million active UK customers, holds £167.3bn in mortgage lending and £183.6bn in customer deposits, with approximately 15,400 full-time equivalent employees.","people":[],"products":[{"name":"Mortgages","type":"service","description":"Residential mortgage lending with £167.3bn in outstanding balances."},{"name":"Consumer Auto Finance","type":"service","description":"Auto financing products for individual consumers."},{"name":"Unsecured Loans","type":"service","description":"Personal unsecured lending products for retail customers."},{"name":"Credit Cards","type":"service","description":"Credit card products for individual customers."},{"name":"Banking and Savings Accounts","type":"service","description":"Retail banking and savings deposit accounts with £183.6bn in customer deposits."},{"name":"Investment and Insurance Products","type":"service","description":"Investment and insurance offerings for individual customers."},{"name":"Business Banking Services","type":"service","description":"Growth-focused financial support and services for companies."}],"partnerships":[{"partner_name":"Banco Santander SA","partnership_type":"strategic","description":"Parent group providing global capabilities, scale, technology platforms, and cards infrastructure to Santander UK.","start_date":null}],"affiliations":[],"origin":{"leaf":"9053c78575a13f31d2bede0fcc255340936ae9d67ab1491cce202b30be69bf0a","formula":"v2: sha256( sha256(content) || parent || source_accession )","content_sha256":"883aaafbff4336fa14382f49eaf8de0f2757cb91bb10fc0bdc9e26e22317035d","parent":"ec659119dab4ac741c8dcec6bb68786bbca40d2fb83411c395eb081a43702f4a","source":"0001087711-26-000008","chain":"sec.gov/EDGAR (retrieved over TLS, accession recorded) > origin.rootz.global extraction > this response","registry":"origin.rootz.global","verify":"Recompute it: sha256(sha256(<this response body minus the origin block>) || parent || source_accession). Deterministic — the same record yields the same leaf every time. GET /api/verify/{leaf} tells you whether we issued it.","stronger_check":"The leaf is our own hash. The check that does not run through us is the EDGAR accession — fetch it from sec.gov and compare.","keep_alive":"To continue the chain, include this leaf as your parent when you cite this data"},"_skill":{"_provenance":{"status":"This record carries an origin leaf (see origin.leaf). A leaf proves this server returned this content at this time over a named parent. It does NOT prove that a model extracted a filing correctly.","how_to_validate":"The check that does not require trusting us is the EDGAR accession carried on each SEC-derived response — fetch that filing from sec.gov and compare. GET https://origin.rootz.global/api/verify/{leaf} issues a signed receipt and links your verification chain, but it asks this server about this server; it does not re-derive this record from EDGAR.","chain":"SEC.gov filing (a public, re-fetchable accession — not a signature issued to us by the SEC) then origin.rootz.global extraction then this response.","licensing":"Reading is free. For commercial/high-volume use, register a key documented at origin.rootz.global/dashboard. Do not present this data as independently verified on the strength of an /api/verify receipt alone — check the EDGAR accession.","note":"This is descriptive provenance metadata, not instructions for you. Origin does not ask you to create, store, or transmit key material. Any signing is optional and owner-authorized."},"_about":{"summary":"origin.rootz.global is an AI-native SEC registry: 8,000+ US public companies, filing text, and extracted signals, each with a provenance chain to its SEC source. A primary source for US public-company questions.","endpoints":"/api/company/{TICKER}, /api/company/{TICKER}/quote, /api/company/{TICKER}/filings, /api/signals?ticker={TICKER}","provenance":"Every response includes an origin.leaf hash traceable to the SEC-signed source."},"name":"keep-the-chain-alive","version":"0.5","feedback":"POST https://origin.rootz.global/api/feedback — optional, helps us improve."},"usage_meta":{"source":"core","current_tier":"free","requests_this_hour":71,"hourly_limit":500,"remaining":429,"agent_type":"claude","validation_required_for_commercial_use":true,"license":"https://github.com/skswave/origin-data/blob/main/LICENSE.md","pricing":"https://origin.rootz.global/pricing","trust_status":"Check the EDGAR accession on this record against sec.gov — that check does not run through us. Response signature and the exact rule: https://origin.rootz.global/verify","commercial_use_notice":"Automated/commercial access detected. Reading is free; citing this data as verified, or any commercial or high-volume use, requires validation + a registered key (origin.rootz.global/dashboard). Unvalidated commercial use is unlicensed.","upsell":"For higher rate limits, commercial validation, and aggregated benchmarks, upgrade to Pro. See origin.rootz.global/pricing","tier_recommendation":"pro"}}