Accounting and tax advisory firm · Alcalá de Henares, Madrid, Spain

AECSA Asesores

An Alcalá de Henares firm with more than 40 years of experience in accounting, tax, employment, legal, and commercial matters, serving businesses, sole proprietors, and individuals.

About AECSA Asesores

Advisory services in Alcalá de Henares

AECSA Asesores is an advisory and administrative services firm based in Alcalá de Henares, Madrid. It provides accounting, tax, employment, legal, and commercial services, as well as financial audits. The firm says it has more than 40 years of experience and serves three types of clients: businesses, sole proprietors, and individuals.

Services by client type

  • Businesses: Comprehensive advice and management, from company formation and operations through dissolution.
  • Sole proprietors: Help meeting accounting and tax obligations, along with guidance as the business grows.
  • Individuals: Invoice preparation and quarterly VAT filings for people who rent out commercial premises, asset restructuring, estate division, and dissolution of co-ownership.

Areas of service

The firm organizes its work into accounting, tax, employment, legal, and commercial services, and also offers data protection compliance under the GDPR.

Tools and approach

AECSA offers an online client portal for reviewing information and an employee portal for company human resources management. The firm says it develops customized solutions and maintains personal, direct service even when working remotely.

Location and contact

Address: Paseo de la Estación 9, 1st floor, Unit D, 28807 Alcalá de Henares, Madrid. Phone: 91 888 92 71. Hours: Monday through Friday, 8 a.m. to 3:30 p.m.; appointments outside these hours may be available upon request.

Updates on regulations

The firm maintains a publications section with guides to regulatory changes, including invoicing requirements (SIF and Verifactu) scheduled for 2026, new birth leave introduced in 2025, and an increase in the amount that can be deferred or paid in installments without providing a guarantee.

Confirm contact details, fees, and the scope of services directly with the company before signing up.

In brief

Accounting, tax, and employment advice