
Montalvo y Castaño Asesores
An advisory firm founded in Gijón in 2004, providing accounting, tax, employment, and business-law services to small and midsize businesses, self-employed professionals, and individuals.
About Montalvo y Castaño Asesores
Business support in Gijón since 2004
Montalvo y Castaño Asesores is an advisory firm in Gijón, Asturias, founded in 2004 to serve small and midsize businesses, professionals, self-employed people, and individuals. It supports clients from the launch of a business idea through the company’s growth.
Accounting and tax services
The firm provides ongoing accounting and tax advice, including:
- Planning and setting up accounting systems.
- Recording income and expense invoices under commercial law.
- Accounting guidance and management for companies and individuals using the direct-assessment tax method.
- Bringing overdue books and accounts up to date.
- Reviewing results and supporting tax-efficiency decisions.
- Bank and other balance-sheet account reconciliations.
- Preparing books required under tax and commercial law.
- Processing official books and filing annual accounts with the Commercial Registry.
Employment and payroll services
The firm advises on hiring, Social Security systems, collective bargaining agreements, and employment law. Services include:
- Assessing suitable employment contracts for each business.
- Registering and deregistering businesses and employees with Social Security through the RED system.
- Preparing contracts, amendments, extensions, and renewals, and reporting them to the Public Employment Service.
- Reviewing hiring grants and incentives; calculating Social Security contributions; and preparing payroll.
- Calculating final pay and severance statements, preparing dismissal letters, and handling special payment deferrals.
- Employment adjustment proceedings.
- Assistance with labor inspections and responses to official requests.
- Special Social Security systems, workplace inspection books, employment questions, and procedures such as employment-history reports and certificates showing payments are current.
Business law and other services
Attorney Luis Carlos Sánchez Méndez works with the firm to provide legal and litigation consulting for businesses and individuals. The firm also provides, directly or through partners, workplace risk-prevention services, grant support, patent and trademark registration, data-protection services, continuing education, and REA and REAC services.
Office and contact
Avenida de la Constitución 127, 1st floor, suite C, 33210 Gijón, Asturias · Phone: 985 390 908 · Mobile: 647 731 202 · Email: asesoria@montalvoycastano.es.
Listed hours: Monday–Thursday, 9 a.m.–2 p.m. and 4:30–7:30 p.m.; Friday, 8:30 a.m.–3 p.m. From July 1 through September 15: 9 a.m.–3 p.m.
Accounting, tax, and employment advisory services