General information
Contacts
Industries
VAT liability
Annual reports
Unsubmitted declarations
Credit rating
Tax data
Tax debts
Related persons
Holdings in companies
Statistics
Summary of reports
Licenses
Regulations
Real estate
TTJA decisions
Court decisions
Official announcements
Public transactions
.ee domains
Enforcement proceedings
Payment orders
OÜ Hamster
Contacts
Industries
- CONSTRUCTION
- Specialised construction activities
- Electrical installation and plumbing and other construction installation works
- Plumbing, heating and air-conditioning installation
- 43222 - Installation, repair and maintenance of plumbing and sanitary fittings
VAT liability
| Start | End | |
|---|---|---|
| EE102023066 | 20.11.2017 |
Annual reports
Unsubmitted declarations
No unsubmitted declarations found
No unsubmitted declarations as of 11.06.2026.
Delayed declarations
| Deadline | Submitted | ||
|---|---|---|---|
| Income- and social-tax return | 10.11.2025 | 13.11.2025 | 3 days overdue |
Tax debt
Unsubmitted reports
Unsubmitted declarations
Court decisions
Official announcements
TTJA decisions
Real estate
.ee domains
Licenses
Regulations
Public transactions
Holdings in companies
Enforcement proceedings
Payment orders
Tax data
| State taxes | Labour taxes | Taxable turnover | Employees | |
|---|---|---|---|---|
| 2026 Q1 | 9 860 € | 4 924 € | 30 169 €26.6% | 3 |
| Kokku 2026: | 9 860 € | 4 924 € | 30 169 € | |
| 2025 Q4 | 11 348 € | 4 039 € | 41 087 €27.3% | 3 |
| 2025 Q3 | 8 270 € | 4 114 € | 56 481 €123.5% | 3 |
| 2025 Q2 | 4 909 € | 3 746 € | 25 270 €39.5% | 3 |
| 2025 Q1 | 10 989 € | 4 719 € | 41 800 €52.5% | 3 |
| Kokku 2025: | 35 516 € | 16 618 € | 164 638 €6.6% |
Revenue by industry
| 2022 | 2023 | 2024 | |
|---|---|---|---|
| Installation, repair and maintenance of plumbing and sanitary fittings | 302 907 € | 370 454 € | 164 523 € |
| Renting and operating of own or leased real estate | 4 160 € | 5 979 € | 6 980 € |
Tax debts
No tax debt found
No tax debt as of 11.06.2026
Representatives
|
Name
|
Personal ID code |
Date of birth
|
Role
|
Start
|
End
|
|---|---|---|---|---|---|
| Risto Kaiv | 37603XXXXXX | 19.03.1976 (50) | Board member | 11.07.2017 | - |
Other persons
Name |
Personal ID code | Date of birth |
Role |
Start |
End |
|---|---|---|---|---|---|
| Risto Kaiv | 37603XXXXXX | 19.03.1976 (50) | Founder | 10.07.2017 | - |
Ultimate beneficial owners
Name |
Personal ID code | Date of birth |
Role |
Start |
End |
|---|---|---|---|---|---|
| Risto Kaiv | 37603XXXXXX | 19.03.1976 (50) | Direct holding | 20.10.2018 | - |
Aggregate data
| 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|
| Current assets | 48 992 €51.0% | 99 983 €62.9% | 61 384 €23.8% | 49 570 €113.1% | 23 264 €0.7% |
| Non-current assets | 195 295 €28.5% | 151 972 €11.9% | 135 838 €54.4% | 87 962 €76.4% | 49 875 €25.5% |
| Total assets | 244 287 €3.0% | 251 955 €27.8% | 197 222 €43.4% | 137 532 €88.0% | 73 139 €16.3% |
Financial ratios
| 2024 | 2023 | 2022 | 2021 | 2020 | ||
|---|---|---|---|---|---|---|
| Profit and cash flow | ||||||
| EBITDA | CP AOO | KH XRW | FN ILT | 23 137 | 20 829 | |
| Liquidity | ||||||
| Current ratio | V.O | Z.F | P.M | 1.0 | 3.5 | |
| Quick ratio | C.E | O.L | H.B | 1.0 | 3.5 | |
Licences & notices
Licences & notices
Type |
Number |
Field |
Status |
Start |
End |
|---|---|---|---|---|---|
| Notice of economic activity | EEH010346 | - > Construction | Valid | 11.01.2018 | - |
Regulations
Regulations
Regulation no. |
Date |
Type |
Deadline |
Status |
|---|---|---|---|---|
| Ä 50060937 / 5 | 02.09.2023 | Entry - Amendment entry | Entered into force (02.09.2023) | |
| Ä 50060937 / 4 | 06.10.2020 | Entry - Amendment entry | Entered into force (06.10.2020) | |
| Ä 50060937 / 3 | 19.01.2018 | Entry - Amendment entry | Entered into force (19.01.2018) | |
| Ä 50060937 / 2 | 14.12.2017 | Entry - Amendment entry | Entered into force (14.12.2017) | |
| Ä 50060937 | 11.07.2017 | Entry - Initial entry | Entered into force (11.07.2017) |
Real estate
Real estate
|
Address
|
Area
|
Purpose
|
|
|---|---|---|---|
| Akadeemia tee 42, Mustamäe linnaosa, Tallinn, Harju maakond | 1770 m² | Residential land 100% | |
| Andrese, Paaksima küla, Põhja-Sakala vald, Viljandi maakond | 17699 m² | Agricultural land 100% | |
| Mahla tn 69, Nõmme linnaosa, Tallinn, Harju maakond | 2072 m² | Residential land 100% | |
| Veski tn 11, Roela alevik, Vinni vald, Lääne-Viru maakond | 1846 m² | Residential land 100% |
Consumer Disputes Committee decisions
No consumer dispute committee decisions found
Company has not been issued consumer dispute committee decisions
Official announcements
No official announcements found
Company has no issued official announcements
Public transactions
Public transactions
|
Date
|
Party
|
Amount
|
Classification
|
|---|---|---|---|
| 22.06.2021 | Tallinna Ülikool | 488.40 € Received | OPERATING EXPENSES Tertiary education |
| 29.04.2021 | Tallinna Ülikool | 348.00 € Received | OPERATING EXPENSES Tertiary education |
| 23.04.2021 | Tallinna Ülikool | 116.40 € Received | OPERATING EXPENSES Tertiary education |
| 17.02.2021 | Tallinna Ülikool | 822.00 € Received | OPERATING EXPENSES Tertiary education |
| 06.01.2021 | Tallinna Ülikool | 756.00 € Received | OPERATING EXPENSES Tertiary education |
.ee domains
No domains found
Company has no valid .ee domains
Enforcement proceedings
No enforcement proceedings found
Company has no active debts with bailiffs
Payment orders
No payment orders found
Company has no court-ordered payment orders