Sorted by name. Group parents are marked.
| MZ 73 INVERSIONES SL | Alzira |
| N-SUN ENERGY, S.L. | Madrid |
| N-WORLD SL group parent | Madrid |
| NACAR PROPERTIES S.L.(SOCIEDAD UNIPERSONAL) lapsed | Barcelona |
| NACORA CORREDURIA DE SEGUROS, S.A. | Mejorada del Campo |
| NAHITEK DIGITAL SL lapsed | Bilbao |
| NAMASTE CAPITAL INVESTMENTS SL | Madrid |
| NAMMO PALENCIA SL lapsed | PALENCIA |
| NAO ASSET MANAGEMENT E.S.G., S.G.I.I.C. SOCIEDAD ANONIMA | Valencia |
| NAOS LOGISTICA, S.L. | Madrid |
| NAPTER DE PATRIMONIO INMOBILIARIO SL | Sevilla |
| NAROGIV SIMCAV SA | Catí |
| NASIKA PRODUCTS SAU | Calahorra |
| NATAC BIOTECH SL | Hervás |
| NATAC NATURAL INGREDIENTS S.A. group parent | Getafe |
| NATEEVO DIGITAL SL lapsed | Alcobendas |
| NATIONALE NEDERLANDEN GENERALES COMPAÑIA DE SEGUROS Y REASEGUROS SOCIEDAD ANONIMA ESPAÑOLA | Alcobendas |
| NATIONALE NEDERLANDEN VIDA COMPAÑIA DE SEGUROS Y REASEGUROS SOCIEDAD ANONIMA ESPAÑOLA | Alcobendas |
| Natra Cacao Sociedad Limitada | QUART DE POBLET |
| Natra Chocolate International, S.L. | Madrid |
| NATRA SOCIEDAD ANONIMA group parent lapsed | Valencia |
| NATSUNVEG SL | Torre-Pacheco |
| NATUR-ALL BBVV-2018 SL | Corella |
| NATURGY ALFA INVESTMENTS SA lapsed | Madrid |
| NATURGY APROVISIONAMIENTOS SA | MADRID |
| NATURGY CAPITAL MARKETS SA lapsed | Madrid |
| NATURGY CICLOS COMBINADOS SL | Madrid |
| NATURGY CLIENTES SA | MADRID |
| NATURGY COMMODITIES TRADING SA | Madrid |
| NATURGY DISTRIBUCION LATINOAMERICA SA | Madrid |
| NATURGY ENERGY GROUP SA group parent | Madrid |
| NATURGY FINANCE IBERIA, S.A. | Madrid |
| NATURGY FUTURE SOCIEDAD LIMITADA lapsed | Madrid |
| NATURGY GENERACION SL | Madrid |
| NATURGY GENERACION TERMICA SL lapsed | MADRID |
| NATURGY IBERIA SA | MADRID |
| NATURGY INVERSIONES INTERNACIONALES SA | Madrid |
| NATURGY PARTICIPACIONES SA lapsed | Madrid |
| NATURGY RENOVABLES RURALIA S.L. | Madrid |
| NATURGY RENOVABLES SL | Madrid |
| NATURGY WIND, S.L. lapsed | A CORUÑA |
| NATVEG MARKETING,S.L | Torre-Pacheco |
| NAUS ANOIA S.L. lapsed | Barcelona |
| NAUTICA AZA SOCIEDAD LIMITADA lapsed | Valencia |
| NAUTICAL LUIS ARBULU, S.L. | Palmas de Gran Canaria, Las |
| NAVACREUS LUONA S.L. (SOCIEDAD UNIPERSONAL) group parent | Montcada i Reixac |
| NAVANTIA SA SME | Madrid |
| NAVARRA DE TECNICAS DE SOLDADURA Y FIJACION SL | Cendea de Olza/Oltza Zendea |
| NAVARRO ARAGONESA DE FORRAJES S.A.U. | Esplús |
| NAVARRO GENERACION, SA lapsed | Madrid |
| NAVARRO SIC SA lapsed | Cañizares |
| NAVARTE GLOBAL SL | Guillena |
| NAVARTE PATRIMONIAL, S.L. | Guillena |
| NAVES COMERCIALES EN RENTA SL lapsed | Madrid |
| NAVIERA ALVARGONZALEZ SA | Gijón |
| NAVIERA RIA DE AROSA, S.A. | Vigo |
| NAVIERA SEAPEAK MARITIME GAS IV, SLU lapsed | MADRID |
| NAVITAS ENERGIA SOCIEDAD LIMITADA. | Churriana de la Vega |
| NAYOX 2000, S.L. | Lleida |
| NAZCA OPPORTUNITY I, SICC, SA | Madrid |
| NB CREACION, INNOVACION Y GESTION SOCIEDAD LIMITADA | Real de Gandia, el |
| NBI BEARINGS EUROPE, S.A. group parent | Okondo |
| NEGOCIOS INDUSTRIALES Y COMERCIALES S.A. lapsed | Madrid |
| NEGRATIN ENERGY SL lapsed | Peligros |
| NEGRATIN GLOBAL SERVICES SL group parent | Peligros |
| NEGRATIN RENEWABLE SLU | Peligros |
| NEGUA RENOVABLES SL lapsed | Bilbao |
| NEINOR HOLDINGS, S.L. lapsed | BILBAO |
| NEINOR HOMES SA group parent | Bilbao |
| NEINOR PENINSULA SL | Madrid |
| NEINOR SUR S.A. | Madrid |
| NEINVER INDUSTRIAL GETAFE SL lapsed | Alcobendas |
| NEINVER LA TOJA SOCIEDAD LIMITADA | Madrid |
| NEINVER NAVES INDUSTRIALES S.L. lapsed | Alcobendas |
| NEINVER SA | Madrid |
| NEO AMES S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEO SC ARÁN S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEO SC EL GRADO S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEO SC LA LUISIANA S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEO SC LA RODA S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEO SC MORON S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEO SCAFFOLDING INSULATION AND CLEANING, S.L.U. | Narón |
| NEODEPIL LASER, S.L. lapsed | Alhama de Murcia |
| NEOELECTRA ENERGIA S.L. (SOCIEDAD UNIPERSONAL) | Sant Just Desvern |
| NEOELECTRA SC BIOMASA FUENTE DE PIEDRA S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEOELECTRA SC CINCA VERDE S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEOELECTRA SC COGENERACION S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEOELECTRA SC ECOENERGIA NAVARRA S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEOELECTRA SC FUENTE DE PIEDRA GESTION S.L.(SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEOELECTRA SC MENJIBAR S.L. (SOCIEDAD UNIPERSONAL) lapsed | Sant Just Desvern |
| NEOELECTRA VAG S.L. lapsed | Sant Just Desvern |
| NEON PROPERTIES S.L.(SOCIEDAD UNIPERSONAL) lapsed | Barcelona |
| NEOSIGMA ASISTENCIA, S.L. | Tres Cantos |
| NEOVIA LATINA SL lapsed | MADRID |
| NEPTUNE GETAFE PROPCO SL | Madrid |
| NEPTUNE LAS ROZAS OUTLET SL | Madrid |
| NEPTUNE NASSICA PROPCO S.L. | Madrid |
| NEPTUNE SAN SEBASTIAN OUTLET SL | Madrid |
| NEPTUNO COSTADEJE SLU | ADEJE (TENERIFE) |
| NERIFAN, S.L. | Madrid |
| NERVACERO SA | Valle de Trápaga-Trapagaran |
| NERVION INDUSTRIES ENGINEERING AND SERVICES SL | Bilbao |
| NESEREM, S.L. lapsed | Villaviciosa de Odón |
| NESTAR RESIDENCIAL SII SA | Madrid |
| NESTLE ESPAÑA SA | ESPLUGUES DE LLOBREGAT |
| NETAPP SPAIN SALES SL | MADRID |
| NETCO FTTH, S.L. | Madrid |
| NETCO GLOBAL VENTURE SA lapsed | MADRID |
| NETCO INVESTMENT, S.L. lapsed | Pozuelo de Alarcón |
| NETERIS CONSULTING S.L | Madrid |
| NETEX KNOWLEDGE FACTORY, SA | Oleiros |
| NETHODOLOGY SL | Madrid |
| NETSTAL IBERICA S.A. | Mollet del Vallés (Barcelona) |
| NETWORK STEEL AFRICA SL | Bilbao |
| NETWORK STEEL RESOURCES, S.A. group parent | Madrid |
| NETWORK STEEL, S.L. | Madrid |
| NEUMATICOS ANDRES,S.A.U. | Salamanca |
| NEUTRAL CARGO LOGISTICS S.L.(SOCIEDAD UNIPERSONAL) | Prat de Llobregat, El |
| NEVERHACK SPAIN SL | Madrid |
| NEW MALDEN SL | Madrid |
| NEW MOMENTUM AV, S.A. | Madrid |
| NEW MOMENTUM PARTNERS, S.L. | Madrid |
| NEW NORRSKEN CONSULTING & GROUP SL | Madrid |
| NEW PROMISE SL lapsed | PALMA |
| NEW TECHNOLOGY APPLICATION S.L. lapsed | Badalona |
| NEW TILES SOCIEDAD LIMITADA | Alcora, l' |
| NEWFISH SL | Madrid |
| NEXANS IBERIA SL | Granollers |
| NEXIA24 SA | Madrid |
| NEXPLORE, S.A. | Madrid |
| NEXT MOTORBIKE S.L.(SOCIEDAD UNIPERSONAL) | Sant Fruitós de Bages |
| NEXTCLINICS SPAIN, SOCIEDAD LIMITADA | VALÈNCIA |
| NEXTGEN TBJF S.L. | Burgos |
| NEXTPOINT CAPITAL SOCIMI S.A. group parent | Madrid |
| NEXUS ENERGIA S.A. group parent | Barcelona |
| NEXUS PROJECTES S.L. | Martorell |
| NFOQUE ADVISORY SERVICES, S.L. | Madrid |
| NFOQUE SERVICIOS CENTRALES Y SOPORTE OPERATIVO SL | Madrid |
| NH EUROPA SL | MADRID |
| NICOLAS CORREA ELECTRONICA, S.A. | Burgos |
| NICOLAS CORREA S.A. group parent | Burgos |
| NICOYA DIRECTORSHIP SL | Madrid |
| NIDIDEM, S.A. | Alcobendas |
| NIEVES ENERGIA S.L.(SOCIEDAD UNIPERSONAL) | Esparreguera |
| NIEVES FAMILY CORPORATION S.L. group parent | Esparreguera |
| NIMAUTO S.L. | Puerto de Santa María, El |
| NIMO GORDILLO AUTOMOVILES SA | Sevilla |
| NIMO GORDILLO HUELVA SOCIEDAD LIMITADA | Sevilla |
| NIMO GORDILLO LUXURY SOCIEDAD LIMITADA | Sevilla |
| NIPPON SANSO EURO-HOLDING S.L. | Madrid |
| NIRCO SL | Móstoles |
| NIRVAUTO SA lapsed | Quart de Poblet |
| NIRVAUTO SERVICE SL lapsed | Quart de Poblet |
| NISA MARITIMA SOCIEDAD ANONIMA | Valencia |
| NISA NUEVAS INVERSIONES EN SERVICIOS SOCIEDAD ANONIMA | Valencia |
| NISSAN MOTOR IBERICA S.A. | Barcelona |
| NIT LUX SA | Madrid |
| NITROGEN IBERIAN COMPANY SL lapsed | Madrid |
| NIU S.A. (SOCIEDAD UNIPERSONAL) | Barcelona |
| NIVEL INMOBILIARIO SA | Madrid |
| NKG COPROCAFE SA | Madrid |
| NN DIGITAL HUB IBERIA S.L. | Alcobendas |
| NN INDIVIDUAL PROTECTION SOLUTIONS SOCIEDAD LIMITADA | Alcobendas |
| NOA MADERA CREATIVA S.L. lapsed | Fene |
| NOA'S BUSINESS MANAGEMENT SOCIEDAD LIMITADA | Castellón de la Plana/Castelló de la Plana |
| NOATUM HOLDINGS SL group parent | Coslada |
| NOATUM LOGISTICS S.L.(SOCIEDAD UNIPERSONAL) | Barcelona |
| NOATUM LOGISTICS SPAIN S.A.(SOCIEDAD UNIPERSONAL) lapsed | Barcelona |
| NOATUM MARITIME SOCIEDAD LIMITADA lapsed | Coslada |
| NOATUM MARITIME SPAIN S.A. | Barcelona |
| NOAWORK E.T.T. SL lapsed | Castellón de la Plana/Castelló de la Plana |
| NOBEL SPORT EXCOPESA SA | Valdefresno |
| NOBILAS IBERICA S.L. | San Sebastián de los Reyes |
| NODO ENERGETICO DATA CENTER SLU | Santa Cruz de Tenerife |
| NOEGA SYSTEMS SL | Gijón |
| NOEL ALIMENTARIA SA | Sant Joan les Fonts |
| NOGALTERRA S.L. | Badajoz |
| NOITON INVERSIONES SL | Benidorm |
| NOKEN DESIGN SA | Vila-real |
| NOKIA SPAIN SA lapsed | MADRID |
| NOLABEY GRUP S.L. | Barcelona |
| NOMAR PATRIMONIAL SL group parent | Vila-real |
| NORAINORTE, S.L. group parent lapsed | Madrid |
| NORBEL INVERSIONES S.L. | Madrid |
| NORBEPA INVERSIONES S.L. lapsed | Madrid |
| NORDMANN SPAIN S.L. | BARCELONA |
| NORMAX S.L. lapsed | Madrid |
| NOROTO SA lapsed | Burjassot |
| NORTE I PPA SUN SL lapsed | Barro |
| NORTE VENTURES CAPITAL SL | Madrid |
| NORTEGAS ENERGIA DISTRIBUCION SA | Bilbao |
| NORTEGAS ENERGIA GRUPO SA | Bilbao |
| NORTEÑA DE COMERCIALIZACION SIDERURGICA SA | Gijón |
| NORTH RECYCLING WORKS SL | Madrid |
| NORTIA CAPITAL INVESTMENT HOLDING SOCIEDAD LIMITADA group parent | Madrid |
| NORVENTO ENERXÍA S.L. group parent | Lugo |
| NORVENTO ESTELO, S.L.U. | Mondoñedo |
| NORVENTO MONTOUTO S.L. | Lugo |
| NORVENTO S.L.U | Lugo |
| NORVENTO SASDÓNIGAS, S.L. | Lugo |