Oo1 OÜ

Legal form:: Private limited company
Registry code:: 12947897
VAT no.:: EE101846804
Fiscal-year period:: 01.01 - 31.12
Established:: 16.11.2015 (10 y)
Capital:: 2 500 EUR
Address:: Ringtee tn 27, Tartu linn, Tartu linn, Tartu maakond, 50105
Status:: Registered
E-invoice reception:: Telema

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Contacts

Email:: maripuusiim@gmail.com

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Industries

PROFESSIONAL, SCIENTIFIC AND TECHNICAL ACTIVITIES
Research and development
Research and experimental development on natural and technical sciences
72191 – Other research and experimental development on natural and technical sciences

Industry TOP19 companies in the activity

1.Fortrea Development Limited Eesti filiaal929.7k €
2.TRISECTOR OÜ258k €
3.DMTommy OÜ138.3k €
4.Threod Defence OÜ113.2k €
5.Andres Tein61.8k €
6.Microgravity Technologies OÜ59.8k €
7.Aliaksei Volnov27.7k €
8.EFENCO OÜ22k €
9.OÜ Skeleton Technologies Group21k €
10.OÜ Eesti Turbauuringute Keskus16k €

Main activity 72191 · turnover over the last 4 quarters

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VAT liability

VAT no.	Start	End
EE101846804	08.01.2016	-

Annual reports

Aggregate data

Year	Period	Submitted	Status
2025	01.01.2025 – 31.12.2025	30.06.2026	Not submitted
2024	01.01.2024 – 31.12.2024	07.07.2025	Valid	PDF
2023	01.01.2023 – 31.12.2023	01.10.2024	Valid	PDF
2022	01.01.2022 – 31.12.2022	05.01.2024	Valid	PDF
2021	01.01.2021 – 31.12.2021	05.01.2024	Valid	PDF
2020	01.01.2020 – 31.12.2020	05.01.2024	Valid	PDF
2019	01.01.2019 – 31.12.2019	05.01.2024	Valid	PDF
2018	01.01.2018 – 31.12.2018	05.01.2024	Valid	PDF
2017	01.01.2017 – 31.12.2017	22.01.2021	Valid	PDF
2016	01.01.2016 – 31.12.2016	24.10.2018	Valid	PDF
2015	16.11.2015 – 31.12.2015	08.10.2018	Valid	PDF

Unsubmitted declarations

No unsubmitted declarations found

No unsubmitted declarations as of 20.10.2026.

Delayed declarations

VAT return	20.02.2026	04.03.2026	12 d overdue
VAT return	22.12.2025	02.01.2026	11 d overdue
VAT return	20.11.2025	03.12.2025	13 d overdue

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Tax debt Reports1 Declarations Court decisions–Official announcements–TTJA decisions–Real estate–.ee domains–Licenses–Regulations12 Public transactions–Grants–State aid–Public procurement–Holdings in companies1 Enforcement proceedings Payment orders

Tax data

Period	State taxes	Labour taxes	Taxable turnover	Employees
2026 Q3	-	-	0 €	-
2026 Q2	-	-	0 €	-
2026 Q1	-	-	0 €	-
Total 2026:	0 €	0 €	0 €
2025 Q4	-	-	0 €	-
2025 Q3	-	-	0 €	-
2025 Q2	3 €	0 €	0 €	-
2025 Q1	-	-	0 €	-
Total 2025:	3 €	0 €	0 €
2024 Q4	54 €	0 €	0 €	-
2024 Q3	604 €	0 €	0 €	-
2024 Q2	51 €	0 €	0 €	-
2024 Q1	35 €	0 €	0 €	-
Total 2024:	744 €	0 €	0 €
2023 Q4	-	-	0 €	-
2023 Q3	-	-	0 €−100%	-
2023 Q2	0 €	0 €	2 833 €	-
2023 Q1	-	-	0 €	-
Total 2023:	0 €	0 €	2 833 €
2022 Q4	-	-	0 €	-
2022 Q3	-	-	0 €	-
2022 Q2	-	-	0 €	-
2022 Q1	-	-	0 €	-
Total 2022:	0 €	0 €	0 €
2021 Q4	-	-	0 €	-
2021 Q3	-	-	0 €	-
2021 Q2	-	-	0 €−100%	-
2021 Q1	2 160,64 €	0 €	11 631,30 €	-
Total 2021:	2 160,64 €	0 €	11 631,30 €
2020 Q4	-	-	0 €	-
2020 Q3	-	-	0 €	-
2020 Q2	-	-	0 €	-
2020 Q1	0 €	0 €	0 €	0
Total 2020:	0 €	0 €	0 €
2019 Q4	0 €	0 €	0 €	0
2019 Q3	0 €	0 €	0 €	0
2019 Q2	0 €	0 €	0 €	0
2019 Q1	0 €	0 €	0 €	0
Total 2019:	0 €	0 €	0 €
2018 Q4	0 €	0 €	0 €	0
2018 Q3	0 €	0 €	0 €−100%	0
2018 Q2	957 €	0 €	7 619 €−35,2%	0
2018 Q1	547 €	0 €	11 756 €+182%	0
Total 2018:	1 504 €	0 €	19 375 €
2017 Q4	0 €	0 €	4 165 €+57,2%	0
2017 Q3	140 €	0 €	2 650 €+32,5%	0
2017 Q2	0 €	0 €	2 000 €+11,1%	0
2017 Q1	356 €	0 €	1 800 €	0
Total 2017:	496 €	0 €	10 615 €
2016 Q4	-50 €	0 €	0 €	0
2016 Q3	134 €	0 €	0 €	0
2016 Q2	152 €	0 €	0 €	0
2016 Q1	0 €	0 €	0 €	0
Total 2016:	236 €	0 €	0 €
2015 Q4	0 €	0 €	0 €	0
Total 2015:	0 €	0 €	0 €

Revenue by industry

	2021
Other research and experimental development on natural and technical sciences	11 631 €

Tax debts

No tax debt found

No tax debt as of 20.10.2026

Representatives

	Personal ID code
Siim Maripuu	38903XXXXXX	13.03.1989 (37)	Board member	16.11.2015	-

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Shareholders

	Personal ID code
Siim Maripuu	38903XXXXXX	13.03.1989 (37)	Shareholder	2 500 EUR	100,00%	Sole ownership	05.12.2025	-

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Other persons

	Personal ID code
Siim Maripuu	38903XXXXXX	13.03.1989 (37)	Founder	15.11.2015	-

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Ultimate beneficial owners

	Personal ID code
Siim Maripuu	38903XXXXXX	13.03.1989 (37)	Direct holding	03.10.2018	-

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Holdings in companies


Hepta Insights OÜ	14.08.2017	Shareholder	33 EUR	0,56%	Sole ownership	13.09.2023	-

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2026 Q3

Turnover

Amount: 0 €
Monthly average: 0 €
Per employee: -

Labour taxes

Turnover ratio: -
Tax ratio: -
Monthly average: 0 €
Per employee: -

State taxes

Monthly average: 0 €
Turnover ratio: -

Estimated salary

Gross salary: -
Net salary: -

Aggregate data

Last 5 yrsAll

	2024	2023	2022	2021	2020	2019
Current assets	6 617 €+4,2%	6 348 €−12,3%	7 238 €+0,8%	7 177 €+168%	2 676 €+0,7%	2 657 €
Non-current assets	1 237 €−43,2%	2 177 €−64,2%	6 088 €−17,5%	7 377 €+47,7%	4 996 €−16,5%	5 983 €
Total assets	7 854 €−7,9%	8 525 €−36,0%	13 326 €−8,4%	14 554 €+89,7%	7 672 €−11,2%	8 640 €
Short-term liabilities	3 €−99,5%	613 €+1 651%	35 €	35 €	-	-
Long-term liabilities	3 318 €+1 006%	300 €−93,3%	4 455 €+3,5%	4 305 €−36,4%	6 766 €+2,2%	6 620 €
Total liabilities	3 321 €+264%	913 €−79,7%	4 490 €+3,5%	4 340 €−35,9%	6 766 €+2,2%	6 620 €
Share or stock capital	-	-	-	-	-	-
Retained earnings	5 112 €−19,3%	6 336 €−17,9%	7 715 €+584%	-1 594 €−232%	-480 €−184%	572 €
Net profit	-3 079 €−152%	-1 224 €+11,2%	-1 379 €−115%	9 308 €+936%	-1 114 €−5,9%	-1 052 €
Equity	4 533 €−40,4%	7 612 €−13,9%	8 836 €−13,5%	10 214 €+1 027%	906 €−55,1%	2 020 €
Turnover	-	-	-	11 631 €	-	-
Profit margin	-	-	-	80,0%	-	-

Financial ratios

	2021	2020
Profit and cash flow
EBITDA	10 423 €	-127 €
Liquidity
Current ratio	205,1	0,4
Quick ratio	205,1	0,4
Cash ratio	98,6	0,0
Efficiency
Days sales outstanding (dso)	100,2	-
Asset turnover	1,0	-
Structure
Debt ratio	0,3	0,9
Profitability
Operating margin	80,0%	-
Net profit margin	80,0%	-
Return on assets (roa)	83,8%	-13,7%
Return on equity (roe)	91,1%	-123,0%

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Licences & notices

No licenses and notices found

Company has no active licenses and business activity notices

Regulations


Ä 50018694 / M7	10.09.2024	Fine-warning order – annual report not filed	01.11.2024	Deficiencies remedied02.10.2024
Ä 50018694 / M6	21.08.2024	Reporting-fine order	05.09.2024	Entered into force06.09.2024
Ä 50018694 / M5	11.07.2024	Fine-warning order – annual report not filed	10.08.2024	Deficiencies remedied24.08.2024
Ä 50018694 / M4	02.01.2024	Reporting-fine order	20.01.2024	Deficiencies remedied06.01.2024
Ä 50018694 / M3	27.11.2023	Fine-warning order – annual report not filed	27.12.2023	Deficiencies remedied06.01.2024

Real estate

No real estate found

Company has no real estate

Consumer Disputes Committee decisions

No consumer dispute committee decisions found

Company has not been issued consumer dispute committee decisions

Court decisions

No court decisions found

The company has no court decisions

Official announcements

No official announcements found

Company has no issued official announcements

Public transactions

No public transactions found

Company has no public transactions

Funded projects

No funded projects found

The company has no projects funded by EU or foreign grants

State aid

No state aid found

The company has not been granted state aid or de minimis aid

Public procurement contracts

No public procurement contracts found

The company has no public procurement contracts

.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

Data comes from public registers.