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Tatjana Boiko

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Data updated:5/1/2026•Changelog•Status

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Company info in 3 seconds

Tatjana Boiko — 9 companies, roles & ownership

Tatjana Boiko

Active companies

9/9

Portfolio revenue

€64 496

Portfolio profit

€-958 909

Share of profit

€6958

Applied Biochemistry Consulting OÜ

Reg. Nr.: 14285667
Since: 2026. gada 23. marts
Revenue: €12 095
Profit: €-214 837

Blockeys DEX OÜ

Reg. Nr.: 12349015
Since: 2026. gada 23. marts
Revenue: €0
Profit: €0

Beneficial owner

Reg. Nr.: 16903514
Ownership: 100.0%
Since: 2026. gada 23. marts
Employees: 1

Menetlusdokumentide kättesaamiseks pädev isik

Reg. Nr.: 12193046
Since: 2026. gada 23. marts
Revenue: €22 231
Profit: €-171 566

Beneficial owner

Reg. Nr.: 80376587
Since: 2026. gada 23. marts
Employees: 1

Beneficial owner

Reg. Nr.: 17111324
Ownership: 100.0%
Since: 2026. gada 23. marts
Employees: 1

Beneficial owner

Reg. Nr.: 12296566
Ownership: 100.0%
Since: 2026. gada 23. marts
Revenue: €30 170
Profit: €6958

Serenity Platform OÜ

Reg. Nr.: 16457687
Since: 2026. gada 23. marts
Profit: €-579 464

Beneficial owner

Reg. Nr.: 12972274
Ownership: 100.0%
Since: 2026. gada 23. marts
Employees: 1

Arjan Peter van der Kooij

2 shared companies · Beneficial owner

Blockeys DEX OÜ100.0% · Serenity Platform OÜ100.0%

ALEKSANDR GOLOVIN

1 shared company · Beneficial owner

Applied Biochemistry Consulting OÜ50.0%

1 shared company · Beneficial owner

Applied Biochemistry Consulting OÜ50.0%

1 shared company · Beneficial owner

InterTrans OÜ100.0%

Alesja Bavtovitš

1 shared company · Beneficial owner

1 shared company · roles.founder

Serenity Platform OÜ

1 shared company · Officer

Appointed — Officer — Likvideerija
Applied Biochemistry Consulting OÜ
2026. gada 23. marts
Appointed — Officer — Likvideerija
Blockeys DEX OÜ
2026. gada 23. marts
Appointed — Officer — Juhatuse liige
Fortak OÜ
2026. gada 23. marts
Appointed — Officer — Menetlusdokumentide kättesaamiseks pädev isik
InterTrans OÜ
2026. gada 23. marts
Appointed — Officer — Juhatuse liige
MTÜ Pollianna
2026. gada 23. marts
Appointed — Officer — Juhatuse liige
OptimaFin OÜ
2026. gada 23. marts
Appointed — Officer — Juhatuse liige
Rationem OÜ
2026. gada 23. marts
Appointed — Officer — Likvideerija
Serenity Platform OÜ
2026. gada 23. marts
Appointed — Officer — Juhatuse liige
Tatfina OÜ
2026. gada 23. marts
Appointed — Shareholder
Tatfina OÜ
2025. gada 17. septembris
Appointed — roles.founder — Asutaja
OptimaFin OÜ
2024. gada 11. novembris
Appointed — Shareholder
OptimaFin OÜ
2024. gada 11. novembris
Appointed — Shareholder
Fortak OÜ
2024. gada 22. janvāris
Appointed — roles.founder — Asutaja
Fortak OÜ
2024. gada 20. janvāris
Appointed — Shareholder
Rationem OÜ
2023. gada 1. septembris
Appointed — roles.founder — Asutaja
Tatfina OÜ
2015. gada 30. decembris
Appointed — roles.founder — Asutaja (sissemakseta)
MTÜ Pollianna
2014. gada 21. oktobris
Appointed — roles.founder — Asutaja
Rationem OÜ
2012. gada 1. jūnijs

Who does Tatjana Boiko do business with?

Tatjana Boiko shares companies with 7 other people, including Arjan Peter van der Kooij, ALEKSANDR GOLOVIN, Elena Istomina, Yury Rodichev, Alesja Bavtovitš and 2 more.

What companies does Tatjana Boiko own or manage?

Tatjana Boiko is linked to 9 active companies including Applied Biochemistry Consulting OÜ, Blockeys DEX OÜ, Fortak OÜ, InterTrans OÜ, MTÜ Pollianna and 4 more.

What roles does Tatjana Boiko hold in business?

Tatjana Boiko holds 9 officer positions, 5 roles.founder positions, 4 shareholder positions, 5 beneficial owner positions across 9 companies.

When did Tatjana Boiko first appear in the business registry?

The earliest known registry record for Tatjana Boiko is from 2012-06-01, when they were registered as roles.founder at Rationem OÜ.

What is the total revenue of Tatjana Boiko's companies?

The combined revenue of Tatjana Boiko's active companies is approximately €64,496, with 4 employees across all entities.

Role mix

Officer9

roles.founder5

Shareholder4

Beneficial owner5

Registry activity

Earliest1 June 2012

Latest23 March 2026