Mainderman OÜ
Mainderman OÜ is a Private limited company (Ltd.) registered in Estonia under 12031844, and its current status with Estonian e-Business Register (ariregister) is active. The company was incorporated on 22 December 2010 and lists its registered address as Tallinn, Estonia. 1 shareholder is on record for Mainderman OÜ, including at least one natural person recorded as a direct holder; the filing carries no beneficial-ownership flag, so that holder is noted here as a recorded shareholder rather than a confirmed ultimate beneficial owner (UBO). This profile is sourced directly from Estonian e-Business Register (ariregister) and was last updated on 7 November 2026.
- Company fundamentals
- Corporate linkage & group structures
- Digitized company financials
- Firmographics — websites, social profiles, revenue and employee estimates
Shareholders
1
One shareholder is currently on record for Mainderman OÜ, filed with Estonian e-Business Register (ariregister).
The largest of these is Chianty Grupp Oü, holding 100% — a majority holding.
The shareholder shown is an individual, recorded as a direct holder at this level; the record carries no UBO/PSC flag, so beneficial-owner status is not confirmed here.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Chianty Grupp Oü | 100% | Estonian e-Business Register (ariregister) |
Officers
2
One of the 2 officer records shown for Mainderman OÜ is a current appointment, filed with Estonian e-Business Register (ariregister). Sergei Boitsov serves as Juhatuse Liige. The remaining 1 record shown (Aljona Boitsova) is a former appointment that has since been resigned.
Management authority at Mainderman OÜ sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Group Structure
Mainderman OÜ sits 2 levels below its ultimate parent, NSR OU, registered in Estonia. The full chain up to NSR OU is derived by walking shareholder filings across jurisdictions; no link in it is independently corroborated by Mainderman OÜ's own shareholder record.
NSR OU
Estonia
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Frequently Asked Questions
Who owns Mainderman OÜ?
One shareholder is currently on record for Mainderman OÜ, filed with Estonian e-Business Register (ariregister). The largest of these is Chianty Grupp Oü, holding 100% — a majority holding. The shareholder shown is an individual, recorded as a direct holder at this level; the record carries no UBO/PSC flag, so beneficial-owner status is not confirmed here.
Who is Mainderman OÜ's UBO (Ultimate Beneficial Owner)?
At least one shareholder recorded for Mainderman OÜ is a natural person. The record carries no dedicated UBO/PSC flag, so that holder is stated here as a recorded shareholder rather than a confirmed Ultimate Beneficial Owner (UBO).
How many shareholders does Mainderman OÜ have on record?
1 shareholder is shown on record for Mainderman OÜ.
What is Mainderman OÜ's company registration number?
Mainderman OÜ's registration number is 12031844, filed with Estonian e-Business Register (ariregister) in Estonia. Its current status on the register is active.
Is Mainderman OÜ still an active company?
Mainderman OÜ's status on Estonian e-Business Register (ariregister) is listed as active.
When was Mainderman OÜ incorporated?
Mainderman OÜ was incorporated on 22 December 2010, according to Estonian e-Business Register (ariregister).
What is Mainderman OÜ's registered address?
The registered address on file for Mainderman OÜ is Tallinn, Estonia.
What legal structure is Mainderman OÜ registered as?
Mainderman OÜ is registered as a Private limited company (Ltd.) in Estonia.
Who are the officers/directors of Mainderman OÜ?
One of the 2 officer records shown for Mainderman OÜ is a current appointment, filed with Estonian e-Business Register (ariregister). Sergei Boitsov serves as Juhatuse Liige. The remaining 1 record shown (Aljona Boitsova) is a former appointment that has since been resigned. Management authority at Mainderman OÜ sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does Mainderman OÜ have a parent company or subsidiaries?
Mainderman OÜ sits 2 levels below its ultimate parent, NSR OU, registered in Estonia.
Can Zavia monitor changes to Mainderman OÜ's ownership over time?
This profile reflects a point-in-time snapshot from Estonian e-Business Register (ariregister). Zavia's monitoring API can track changes to Mainderman OÜ's registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access Mainderman OÜ's data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including Estonia, so records like Mainderman OÜ's registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from Estonian e-Business Register (ariregister) and was last synced on 7 November 2026.