Karnatowski Alexander

Director · Spanish companies register · 4 companies

Companies :
4 (3 current, 1 former)
Linked companies :
CONVERTIX PERFORMANCE SL, CONVERTIX SEARCH SL, CUSTOM CONVERTIX SL, IMPROOVE SEARCH SL

Summary

Karnatowski Alexander appears in the Spanish commercial register as a director of 4 companies, 3 current and 1 former. Currently Representante of CONVERTIX PERFORMANCE SL (Madrid) since 6 August 2026, as well as in 2 other companies. CONVERTIX PERFORMANCE SL is based in Madrid and operates in Agencias de publicidad (CNAE 7311) — Sociedad Limitada (SL), an active company, incorporated on 13 August 2026, share capital of €3,000. The earliest registered mandate dates from 22 March 2012, at CUSTOM CONVERTIX SL; the most recent began on 6 August 2026. The offices held are Representante, Administrador Único and Administrador Solidario. The companies are registered in Madrid. The boards of these companies also include Schmadlak Philip Joann, Zimper Michael and Ruiz Sanchez David.

Offices held

RepresentanteAdministrador ÚnicoAdministrador Solidario

Commercial registries

Madrid

Companies · current (3)

CONVERTIX PERFORMANCE SLCurrent

Representante since 06/08/2026

Active · Agencias de publicidad (CNAE 7311) · Madrid · Sociedad Limitada (SL) · incorporated 13/08/2026 · capital €3,000 · 1 BORME filing

Corporate purpose: - La prestación de servicios de consultoría, estrategia, gestión, optimización y ejecución de campañas de publicidady marketing digital en todo tipo de plataformas, redes, medios y canales online y offline, incluyendo, entre otros,…

B88949664 · Madrid

CONVERTIX SEARCH SLCurrent

Representante since 05/10/2022

Active · Agencias de publicidad (CNAE 7311) · Madrid · Sociedad Limitada (SL) · incorporated 13/10/2022 · capital €3,000 · 1 BORME filing

Corporate purpose: Agencias de publicidad.

B72507536 · Madrid

CUSTOM CONVERTIX SLCurrent

Administrador Único since 22/03/2012

Active · Madrid · Sociedad Limitada (SL) · incorporated 04/04/2012 · capital €3,000 · 6 BORME filings

Corporate purpose: MARKETING ONLINE, MARKETING, CREACION Y COMERCIALIZACION DE PORTALES EN INTERNET, DESARROLLO DE TECNOLOGIAS INTERNET, CONSULTORIA Y COMERCIO ELECTRONICO.

B86390382 · Madrid

Companies · former (1)

IMPROOVE SEARCH SLFormer

Former Administrador Solidario · from 02/08/2013 to 22/03/2022

Active · Madrid · Sociedad Limitada (SL) · incorporated 14/08/2013 · capital €3,000 · 7 BORME filings

Corporate purpose: Optimización de motores de búsqueda, marketing, creación y comercialización de portales en internet, desarrollo de tecnologías internet, consultoría y comercio electrónico. Todas las actividades que integran el objeto socialmencionado…

B86769346 · Madrid

Timeline (9)

  1. 06/08/2026Appointed Representante of CONVERTIX PERFORMANCE SL · Madrid
  2. 05/10/2022Appointed Representante of CONVERTIX SEARCH SL · Madrid
  3. 22/03/2022Ceased as Administrador Solidario of IMPROOVE SEARCH SL · Madrid
  4. 23/04/2021Ceased as Administrador Mancomunado of CUSTOM CONVERTIX SL · Madrid
  5. 23/04/2021Appointed Administrador Único of CUSTOM CONVERTIX SL · Madrid
  6. 09/09/2013Ceased as Consejero Delegado Mancomunado of CUSTOM CONVERTIX SL · Madrid
  7. 09/09/2013Appointed Administrador Mancomunado of CUSTOM CONVERTIX SL · Madrid
  8. 02/08/2013Appointed Administrador Solidario of IMPROOVE SEARCH SL · Madrid
  9. 22/03/2012Appointed Consejero Delegado Mancomunado of CUSTOM CONVERTIX SL · Madrid

Co-directors (3)

CUSTOM CONVERTIX SL
IMPROOVE SEARCH SL
CONVERTIX SEARCH SL

Network map

7 nodes Person Company
karnatowski-alexanderCONVERTIX PERFORMANCE SLCONVERTIX PERFORMANC…CONVERTIX SEARCH SLCONVERTIX SEARCH SLCUSTOM CONVERTIX SLCUSTOM CONVERTIX SLSCHMADLAK PHILIP JOANNSCHMADLAK PHILIP JOA…CUSTOM CONVERTIX SLCUSTOM CONVERTIX SLRUIZ SANCHEZ DAVIDRUIZ SANCHEZ DAVID

Identity matched by name · homonyms possible.