| ABANCA GENERALES DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| ABANCA VIDA Y PENSIONES DE SEGUROS Y REASEGUROS, S.A | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| AEGON ESPAÑA, SOCIEDAD ANÓNIMA DE SEGUROS Y REASEGUROS | RReinsurer | Aegon | Pan-European group | DGSFP | Verified |
| ALLIANZ, COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Allianz | Pan-European group | DGSFP | Verified |
| ALMUDENA COMPAÑÍA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| AMA VIDA SEGUROS Y REASEGUROS, S.A | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| ASEMAS-MUTUA DE SEGUROS Y REASEGUROS A PRIMA FIJA (con derrama pasiva) | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| ASERTA EUROPA SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| ASISTENCIA CLINICA UNIVERSITARIA DE NAVARRA, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| ASSEK EUROPE COMPAÑÍA DE SEGUROS Y REASEGUROS, S.A. SOCIEDAD UNIPERSONAL | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| ATRADIUS CREDITO Y CAUCION S.A. DE SEGUROS Y REASEGUROS | RReinsurer | GCO | Pan-European group | DGSFP | Verified |
| AXA AURORA VIDA, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | AXA | Pan-European group | DGSFP | Verified |
| AXA SEGUROS GENERALES, S. A. DE SEGUROS Y REASEGUROS | RReinsurer | AXA | Pan-European group | DGSFP | Verified |
| BANKINTER SEGUROS DE VIDA, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| BANKINTER SEGUROS GENERALES, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| BANSABADELL SEGUROS GENERALES, SOCIEDAD ANÓNIMA DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| BANSABADELL VIDA, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| BBVA Allianz, Seguros y Reaseguros, S.A. | RReinsurer | Allianz | Pan-European group | DGSFP | Verified |
| BBVA RE INHOUSE COMPAÑÍA DE REASEGUROS SE | RReinsurer | BBVA | Domestic private | DGSFP | Verified |
| BBVASEGUROS, S.A., DE SEGUROS Y REASEGUROS | RReinsurer | BBVA | Domestic private | DGSFP | Verified |
| CA LIFE INSURANCE EXPERTS COMPAÑIA DE SEGUROS Y REASEGUROS, S.A.U. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| CAIXA ENGINYERS VIDA-CAJA INGENIEROS VIDA, COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | CaixaBank | Domestic private | DGSFP | Verified |
| CAJA DE SEGUROS REUNIDOS, COMPAÑÍA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| CAJAMAR SEGUROS GENERALES, SOCIEDAD ANONIMA DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| COMPAÑIA ESPAÑOLA DE SEGUROS DE CREDITO A LA EXPORTACION, S.A., COMPAÑIA DE SEGUROS Y REASEGUROS, SOCIEDAD MERCANTIL ESTATAL (CESCE) | RReinsurer | Spanish State | State-owned / parastatal | DGSFP | Verified |
| DKV SEGUROS Y REASEGUROS, SOCIEDAD ANONIMA ESPAÑOLA | RReinsurer | Munich Re | Pan-European group | DGSFP | Verified |
| ERGO GENERALES SEGUROS Y REASEGUROS, S.A. | RReinsurer | Munich Re | Pan-European group | DGSFP | Verified |
| ERGO VIDA SEGUROS Y REASEGUROS, SOCIEDAD ANONIMA | RReinsurer | Munich Re | Pan-European group | DGSFP | Verified |
| EXPERTIA GLOBAL SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| FIATC, MUTUA DE SEGUROS Y REASEGUROS | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| GENERALI ESPAÑA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Generali | Pan-European group | DGSFP | Verified |
| GES, SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| IBERCAJA VIDA, COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Ibercaja | Domestic private | DGSFP | Verified |
| IGUALATORIO MEDICO QUIRURGICO, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| IRIS GLOBAL SOLUCIONES DE PROTECCIÓN SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| KUTXABANK ASEGURADORA COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| KUTXABANK VIDA Y PENSIONES COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| LA UNION ALCOYANA, S.A. DE SEGUROS Y REASEGUROS. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| LEGALITAS COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | ITAS | Mutual / cooperative | DGSFP | Verified |
| LINEA DIRECTA ASEGURADORA SOCIEDAD ANÓNIMA COMPAÑIA DE SEGUROS Y REASEGUROS | RReinsurer | Linea Directa | Domestic private | DGSFP | Verified |
| MAPFRE ASISTENCIA, COMPAÑIA INTERNACIONAL DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Mapfre | Pan-European group | DGSFP | Verified |
| MAPFRE ESPAÑA, COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Mapfre | Pan-European group | DGSFP | Verified |
| MAPFRE RE, COMPAÑIA DE REASEGUROS, S.A. | RReinsurer | Mapfre | Pan-European group | DGSFP | Verified |
| MAPFRE VIDA, S.A. DE SEGUROS Y REASEGUROS SOBRE LA VIDA HUMANA | RReinsurer | Mapfre | Pan-European group | DGSFP | Verified |
| MEDVIDA PARTNERS DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| MGC INSURANCE, MUTUA DE SEGUROS Y REASEGUROS A PRIMA FIJA | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| MGS SEGUROS Y REASEGUROS S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| MURIMAR VIDA SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| MUSSAP- MUTUA DE SEGUROS Y REASEGUROS A PRIMA FIJA | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| MUTUA DE PROPIETARIOS, SEGUROS Y REASEGUROS A PRIMA FIJA | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| MUTUA DE SEGUROS Y REASEGUROS DE LA PANADERIA DE VALENCIA | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| MUTUA TINERFEÑA, MUTUA DE SEGUROS Y REASEGUROS A PRIMA FIJA | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| MUTUAVENIR, MUTUA DE SEGUROS Y REASEGUROS A PRIMA FIJA DE PAMPLONA | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| NACIONAL DE REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| NATIONALE-NEDERLANDEN GENERALES, COMPAÑIA DE SEGUROS Y REASEGUROS, SOCIEDAD ANONIMA ESPAÑOLA | RReinsurer | NN Group | Pan-European group | DGSFP | Verified |
| NATIONALE-NEDERLANDEN VIDA, COMPAÑIA DE SEGUROS Y REASEGUROS SOCIEDAD ANONIMA ESPAÑOLA | RReinsurer | NN Group | Pan-European group | DGSFP | Verified |
| OCASO, S.A., COMPAÑIA DE SEGUROS Y REASEGUROS. | RReinsurer | Ocaso | Domestic private | DGSFP | Verified |
| OCCIDENT GCO, SOCIEDAD ANÓNIMA DE SEGUROS Y REASEGUROS | RReinsurer | GCO | Domestic private | DGSFP | Verified |
| ONLYGAL SEGUROS Y REASEGUROS, SOCIEDAD ANÓNIMA | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| PATRIA HISPANA, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| PELAYO VIDA SEGUROS Y REASEGUROS, S.A. | RReinsurer | Pelayo | Mutual / cooperative | DGSFP | Verified |
| PELAYO, MUTUA DE SEGUROS Y REASEGUROS A PRIMA FIJA | RReinsurer | Pelayo | Mutual / cooperative | DGSFP | Verified |
| PREVENTIVA, CIA. DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| PREVISION SANITARIA NACIONAL, P.S.N. MUTUA DE SEGUROS Y REASEGUROS A PRIMA FIJA | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| RACE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| RGA RURAL VIDA, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | RGA | Foreign multinational | DGSFP | Verified |
| RGA SEGUROS GENERALES RURAL, S.A. DE SEGUROS Y REASEGUROS | RReinsurer | RGA | Foreign multinational | DGSFP | Verified |
| SANTA LUCIA, S.A. COMPAÑIA DE SEGUROS Y REASEGUROS | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| SANTANDER GENERALES SEGUROS Y REASEGUROS, S.A. | RReinsurer | Santander | Domestic private | DGSFP | Verified |
| SANTANDER MAPFRE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Mapfre | Pan-European group | DGSFP | Verified |
| SANTANDER SEGUROS Y REASEGUROS, COMPAÑIA ASEGURADORA, S.A. | RReinsurer | Santander | Domestic private | DGSFP | Verified |
| SANTANDER VIDA SEGUROS Y REASEGUROS, S.A. | RReinsurer | Santander | Domestic private | DGSFP | Verified |
| SEGURCAIXA ADESLAS, SOCIEDAD ANONIMA DE SEGUROS Y REASEGUROS | RReinsurer | Mutua Madrilena / CaixaBank | Mutual / cooperative | DGSFP | Verified |
| SEGUROS EL CORTE INGLES, VIDA, PENSIONES Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| SOCIEDAD DE SEGUROS MUTUOS MARITIMOS DE VIGO, MUTUA DE SEGUROS Y REASEGUROS | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| SOLUNION SEGUROS, COMPAÑÍA INTERNACIONAL DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| SVRNE, MUTUA DE SEGUROS Y REASEGUROS A PRIMA FIJA | RReinsurer | Mutual / cooperative | Mutual / cooperative | DGSFP | Verified |
| TELEFONICA SEGUROS Y REASEGUROS COMPAÑÍA ASEGURADORA SAU | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| UNICORP VIDA, COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Independent | Domestic private | DGSFP | Verified |
| VERTI ASEGURADORA, COMPAÑÍA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Mapfre | Pan-European group | DGSFP | Verified |
| VIDA-CAIXA, SOCIEDAD ANÓNIMA DE SEGUROS Y REASEGUROS | RReinsurer | CaixaBank | Domestic private | DGSFP | Verified |
| ZURICH VIDA, COMPAÑIA DE SEGUROS Y REASEGUROS, S.A. | RReinsurer | Zurich | Pan-European group | DGSFP | Verified |