About Us

Assertum Audit OÜ has been serving the Estonian market since November 2003.

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Our mission

At Assertum Audit OÜ, our mission is to provide top-tier auditing and consulting services that help businesses achieve financial clarity, transparency and compliance.

We are committed to delivering accurate, insightful, and reliable financial information to support informed decision-making.

Our Values

Integrity

Upholding the highest ethical standards in all our engagements.

Accuracy

Delivering precise and reliable financial information.

Collaboration

Working closely with clients to achieve their goals.

Our History

A Legacy of Excellence and Trust

May

2003

Founded in 2003, Assertum Audit OÜ has grown to become a trusted name in the auditing and consulting industry. With years of experience, we have built a reputation for excellence, integrity, and professional service.

23 September

2013

Three Estonian audit firms – 1st Audit OÜ, ENABLE OÜ and KMRA Audiitorbüroo OÜ, signed a merger agreement and since 15 November 2013 the merged entity  operates under the name of Assertum Audit OÜ.

April 24

2019

Assertum Audit OÜ joined JPA International. This partnership has enabled Assertum Audit OÜ to leverage JPA International's global network to enhance its audit and advisory services.

why choose us

Dedicated to delivering superior service and results

Attention to Detail

Ensuring accuracy and thoroughness in all our work.

Trusted Partner

Building long-term relationships based on trust and reliability.

Comprehensive Expertise

Leveraging extensive industry knowledge to provide insightful and practical financial solutions.

Client-Centric Approach

Focusing on client needs to deliver customized audit services that add value and foster growth.

Our Professional Team

Sergei Tšistjakov

Managing Partner, Certified Public Accountant

+372 506 5581sergei.tsistjakov[@]assertum.ee

Mai Palmipuu

Partner, Certified Public Accountant

+372 505 8911mai.palmipuu[@]assertum.ee

Priit Möldre

Certified Public Accountant

+372 507 7929priit.moldre[@]assertum.ee

Merili Pruuel

Partner, Certified Public Accountant

+372 51 70 904merili.pruuel[@]assertum.ee

Alex Steinberg

Partner,  Member of Management Board

+372 51 06 472alex.steinberg[@]assertum.ee