Our solution, your success



All tasks related to accounting with over 17 years of experience

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Financial statement

We offer diverse services to companies of all sizes

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Payroll calculation

If you want, you can outsource the whole of payroll management to us.

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A full-service accounting firm in Helsinki

DND Accounting Ltd is an accounting firm founded by Antti Siltanen in 2012. We have already accumulated over 17 years of experience in diverse financial administration tasks. Our office is in Helsinki. Our clients are domestic and international companies of all sizes. We also offer service in English and Swedish.

Versatile know-how

We offer traditional accounting firm services for both entrepreneurs starting up and well-established companies. We always deliver the reports required swiftly in an electronic format. In addition, we’re happy to help in all possible problem situations that an entrepreneur may encounter in the paper jungle.

Under one roof

  • Electronic accounting firm services
  • Setting up a company
  • Financial statements
  • Declarations to the authorities
  • Reporting
  • Consulting
  • Payroll calculation

With the support of our co-operative network, we can customise truly comprehensive service package for all the needs of your company. Our co-operative partners have extensive experience, including in obtaining financing, making business plans, budgeting and other matters that affect financing decisions.

The entrepreneur Antti Siltanen

I’m Antti Siltanen, the CEO of DND Accounting and by education a Master of Economics. During my 17-year career, I’ve worked in both large and small accounting firms. My vision is to offer my client companies a service that is always tailor-made and as efficient as possible – taking the individual needs of the company and the field into account. I’m also a partner in Oulun Tasekeskus Ltd.”

Get in touch and ask more

When you’re looking for an expert accounting firm, turn to us! From Helsinki, we serve companies all over Finland. Call, send an e-mail or leave a contact request with the form on our page. We’ll get back to the matter as quickly as possible.

Contact us!

Call, send an e-mail or send us a message with the form. We’ll get back to the matter soon.

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Register Description

1. Register Holder

DnD Accounting Oy
Kaisaniemenkatu 10

Business ID: 25154356
Telephone number: +358505210217

2. Matters Relating to the Register

Our customer service will answer questions and feedback relating to the register as quickly as possible.

3. Name of Register

The register of customer, marketing and newsletter situations.

4. The Purpose of the Handling of Personal Information

The purpose of the handling is to manage the customer relationship, fulfil the rights and obligations of the customer and register holder and the handling of personal information in accordance with the Personal Data Act for purposes relating to web services, research activities, the targeting of the register holder’s and/or its partners’ advertising and/or direct marketing on the basis of customer information, via the register holder’s communication media and services, without submitting personal information to any outside party.

5. The Data Content of the Register

The register can contain the following information about customers:

  • Name
  • E-mail address
  • Mobile or other telephone number
  • Organisation and position
  • Organisation address details
  • Contact log

6. The Regular Data Sources of the Register

The register is collated from the register holder’s customer information system, publicly available Internet sources and any possible other public sources. As a rule, the sources of addresses are specified if they are other than those listed above.

7. Regular Submission of Information

The register holder will not pass the personal information of customers on to outside parties unless required to do so by the Finnish authorities.

8. Removal of Data

Information can be deleted from the register upon a person’s request or in the event of the ending of the customer relationship.

9. The Principles of Register Protection

Personal information will be kept confidential. The data network and hardware of the register holder and its possible IT partners, in which the register is located, are protected by firewalls and other required technical measures.



DND Accounting Oy

Punavuorenkatu 20 D 37

00150 Helsinki

050 521 0217