Accounting and tax outsourcing

Accounting and Tax Compliance

Increase the effectiveness and efficiency of your company by outsourcing accounting services and tax and registry obligations.

asesoramiento atisa

Do you need accounting and tax support for your company? Do you want to forget about meeting deadlines?

Keeping up to date with legislative changes in accounting, tax and business compliance is an area of concern when it comes to running a company. We take care of implementing regulatory requirements

Services to improve the organisation and profitability of your company

BPO Accounting and Tax Compliance Services

We will work together to ensure the best results for your company. Forget about managing regulatory requirements. You will achieve the highest profitability and save time.

The excellence of a leader is measured by the ability to transform problems into opportunities.
Peter Drucker
Why trust Atisa?

We are a committed team with 40 years of experience. We offer you personalised assistance and a direct line of contact with the manager.

Accounting, tax and legal support

We offer financial advice and security, thanks to our own legal office, for compliance with regulatory requirements.

Reliable provider

With approval from them Tax Authorities and 4 provincial councils.

Flexibility and efficiency in management

Saving your company time and providing knowledge and advice on the accounting decisions to be made.

We use SAGE X3

For faster, simpler and more flexible business management, with cost accounting, budgeting and reporting.

Guaranteed high level of service

We belong to the international network IGAL (Intercontinental Grouping of Accountants and Lawyers).

Staying on track and up-to-date is part of our DNA

We have a variety of means to help you keep abreast of legislative trends and developments that affect your business. Discover the Bae digital magazine, the Atisa blog and our newsletters, webinars and events.

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Susana Ortega. Directora de Personas de AlainAfflelou
Caso de éxito

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Queries and FAQs on financial and process consulting


Atisa has stable teams with a high level of knowledge and specialisation in the field. The client will avoid management errors and guarantee timely compliance, avoiding internal unforeseen events caused by personnel leave or absence.

We offer a direct line of contact with the manager, for management efficiency, which will mean having up-to-date accounting, reducing the time required to gather the necessary information at all times. In addition, we can provide you with access to your company’s accounts in view mode, for greater peace of mind.

Yes, it will save you costs and structure, thanks to our experience and speed of management with relatable and adapted advice.

We adapt to the tools, working with our ERP or with the client’s ERP.

We adapt to the client’s needs, working either in their offices or in ours on a full or part-time basis (1, 2, 3, 4 or 5 days a week).

Contact us

Fill in this form and we will contact you.


Company name: GRUPO ATISA BPO, S.A. (hereinafter known as ATISA)

Tax ID: A-80092182

Address: Edificio Atisa C/ Trópico 6. Polígono Industrial las Monjas. 28850, Torrejón de Ardoz. Madrid


Telephone: 91 205 44 00

Purpose of Processing your personal data:

The purpose of processing your personal data shall be exclusively to send current legal information that may be of interest to you to your e-mail address in line with your request.

We will not pass your data on to third parties without your prior consent.

Lawful basis for data processing

The lawful basis for processing your data in order to send you legislative news is your express consent.

Categories of data processed

Identifying data: Forename, surname(s)

Contact details: E-mail address

The personal data requested is mandatory, and refusal to provide it will mean that it will not be possible to provide the services contracted.

The user guarantees that the data provided is true, accurate, complete and up to date, and is responsible for any direct or indirect damage or loss that may be caused as a result of failure to fulfil this obligation. Where the user provides data on third parties, they declare that they have their consent and undertake to provide them with the information contained in this clause, freeing ATISA from any liability in this regard. However, ATISA may perform checks to verify this fact, adopting the appropriate due diligence measures in accordance with data protection regulations.

Storage time

Your personal data will be processed for the purposes stated above until you expressly request cancellation of this subscription. Once you have requested cancellation, your data will be duly blocked and definitively deleted from our files once the corresponding legal terms have elapsed.

What rights does the data subject have?

You can write to ATISA at Edificio Atisa C/ Trópico 6. Polígono Industrial las Monjas 28850, Torrejón de Ardoz, (Madrid) or send an e-mail to: at any time and free of charge to exercise the following rights:

To withdraw the consents given.

To obtain confirmation as to whether or not ATISA is processing personal data concerning you.

To access your personal data.

To rectify inaccurate or incomplete data.

To request the erasure of your data when, among other reasons, it is no longer necessary for the purposes for which it was collected.

To obtain the restriction of data processing from ATISA when any of the conditions provided for in the data protection regulations are met.

In certain circumstances and on grounds relating to their particular situation, data subjects may object to the processing of their data. ATISA shall stop processing the data, except for compelling legitimate reasons or to exercise or defend any claims.

To obtain human intervention, to express your point of view, and to challenge automated decisions made by ATISA, where appropriate.

To request the portability of your data.

To file a claim with the Spanish Data Protection Agency, when the data subject believes that ATISA has violated the rights recognised by the applicable data protection regulations.

At ATISA, we are committed to regulatory compliance and to respecting the rights and privacy of users. If you have any questions regarding how we process your personal data, please do not hesitate to contact us via the channels indicated.