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Jah

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Karster OÜ

Legal form:

Private limited company

Registry code:

14392143

VAT no.:

EE102751626

Fiscal-year period:

01.01 - 31.12

Established:

18.12.2017 (8)

Capital:

2 500 EUR

Address:

Koidu tn 27-28, Kesklinna linnaosa, Tallinn, Harju maakond, 10136

Status:

Registered

Contacts

Email:

mare.wilberg@gmail.com

Industries

PROFESSIONAL, SCIENTIFIC AND TECHNICAL ACTIVITIES
Research and development
72101 - Research and experimental development on natural and technical sciences
REAL ESTATE ACTIVITIES
Real estate activities
68201 - Renting and operating of own or leased real estate

VAT liability

	Start	End
EE102751626	26.06.2024

Annual reports

Aggregate data

	Period	Submitted
2025	01.01.2025 - 31.12.2025	09.04.2026	Valid
2024	01.01.2024 - 31.12.2024	01.06.2025	Valid
2023	01.01.2023 - 31.12.2023	24.03.2024	Valid
2022	01.01.2022 - 31.12.2022	14.05.2023	Valid
2021	01.01.2021 - 31.12.2021	13.05.2022	Valid
2020	01.01.2020 - 31.12.2020	04.06.2021	Valid
2019	01.01.2019 - 31.12.2019	12.06.2020	Valid
2018	18.12.2017 - 31.12.2018	06.05.2019	Valid

Unsubmitted declarations

No unsubmitted declarations found

No unsubmitted declarations as of 03.06.2026.

???

Credit rating

Hidden

Credit rating is based on company financial data and payment behavior. detailed analysis available to regia+ users.

020406080100

? Risk factors

? Strengths

View summary

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Tax data

	State taxes	Taxable turnover	Employees
2026 Q1	100 €	0 €100.0%	-
Kokku 2026:	100 €	0 €
2025 Q4	14 850 €	61 875 €	-
2025 Q3	0 €	0 €	-
2025 Q2	0 €	0 €	-
2025 Q1	96 €	0 €	-
Kokku 2025:	14 946 €	61 875 €16.6%
2024 Q4	0 €	0 €100.0%	-
2024 Q3	16 155 €	74 220 €	-
2024 Q2	28 €	0 €	-
Kokku 2024:	16 183 €	74 220 €
2023 Q1	23 €	0 €	-
Kokku 2023:	23 €	0 €
2022 Q1	23 €	0 €	-
Kokku 2022:	23 €	0 €
2021 Q1	23 €	0 €	-
Kokku 2021:	23 €	0 €
2020 Q1	23 €	0 €	0
Kokku 2020:	23 €	0 €
2019 Q4	0 €	0 €	0
2019 Q3	0 €	0 €	0
2019 Q2	0 €	0 €	0
2019 Q1	0 €	0 €	0
Kokku 2019:	0 €	0 €
2018 Q4	0 €	0 €	0
2018 Q3	0 €	0 €	0
2018 Q2	0 €	0 €	0
2018 Q1	0 €	0 €	0
Kokku 2018:	0 €	0 €

Revenue by industry

	2023	2024	2025
Research and experimental development on natural and technical sciences		114 220 €	61 875 €
Renting and operating of own or leased real estate		3 900 €	7 800 €
Other research and experimental development on natural and technical sciences	40 000 €

Tax debts

No tax debt found

No tax debt as of 03.06.2026

Representatives

Name	Personal ID code	Date of birth	Role	Start	End
Mare Vilberg	45908XXXXXX	14.08.1959 (66)	Board member	18.12.2017	-

1 - 1 / 1 rows

Shareholders

Name	Personal ID code	Date of birth	Role	Share	%	Type	Start	End
Mare Vilberg	45908XXXXXX	14.08.1959 (66)	Shareholder	2 500,00 EUR	100	Sole ownership	01.09.2023	-

1 inactive record hidden, extended access to the information portal is required to view history!

1 - 1 / 1 rows

Other persons

Name	Personal ID code	Date of birth	Role	Start	End
Mare Vilberg	45908XXXXXX	14.08.1959 (66)	Founder	15.12.2017	-

1 - 1 / 1 rows

Ultimate beneficial owners

Name	Personal ID code	Date of birth	Role	Start	End
Mare Vilberg	45908XXXXXX	14.08.1959 (66)	Direct holding	23.10.2018	-

1 - 1 / 1 rows

Holdings in companies

No holdings in companies found

Company has no holdings in other companies

2026 Q1

Turnover

Amount

0 €

Monthly average

0 €

Per employee

0 €

Equity ratio

Labour taxes

Turnover ratio

0,00%

Tax ratio

0,00%

Monthly average

0 €

Per employee

0 €

State taxes

Monthly average

33 €

Turnover ratio

0,00%

Estimated salary

Gross salary

0 €

Net salary

0 €

Aggregate data

	2025	2024	2023	2022	2021	2020	2019
Current assets	28 819 €46.1%	53 465 €55.0%	118 909 €48.6%	79 993 €64.7%	48 579 €144.1%	19 901 €1 022.4%	1 773 €
Non-current assets	489 516 €108.3%	235 041 €257.4%	65 772 €9.0%	72 253 €0.3%	72 488 €6.6%	67 976 €1.8%	66 804 €
Total assets	518 335 €79.7%	288 506 €56.2%	184 681 €21.3%	152 246 €25.8%	121 067 €37.8%	87 877 €28.1%	68 577 €
Short-term liabilities	33 €57.7%	78 €96.9%	2 500 €4.0%	2 603 €2 427.2%	103 €	-	-
Long-term liabilities	175 142 €	-	-	-	-	-	-
Total liabilities	175 175 €224 483.3%	78 €96.9%	2 500 €4.0%	2 603 €2 427.2%	103 €	-	-
Share or stock capital	2 500 €	2 500 €	2 500 €	2 500 €	2 500 €	2 500 €	2 500 €
Retained earnings	285 928 €56.9%	182 181 €23.8%	147 143 €26.9%	115 964 €35.8%	85 377 €29.2%	66 077 €91.3%	34 543 €
Net profit	54 732 €47.2%	103 747 €218.8%	32 538 €4.4%	31 179 €5.8%	33 087 €71.4%	19 300 €38.8%	31 534 €
Equity	343 160 €19.0%	288 428 €58.3%	182 181 €21.7%	149 643 €23.7%	120 964 €37.7%	87 877 €28.1%	68 577 €
Turnover	69 675 €41.0%	118 120 €195.3%	40 000 €0.0%	39 990 €0.1%	39 960 €61.4%	24 760 €21.6%	31 600 €
Profit margin	78.55%10.6%	87.83%8.0%	81.35%4.3%	77.97%5.8%	82.80%6.2%	77.95%21.9%	99.79%

Financial ratios

	2024	2023	2022	2021	2020
Profit and cash flow
EBITDA	QVU PIG	VA TRR	KO ZZQ	37 529	22 081
Liquidity
Current ratio	KQM.J	OI.K	CN.R	471.6	-
Quick ratio	CJO.D	GY.G	CR.R	471.6	-
Cash ratio	QDN.N	WA.H	UE.P	471.6	-
Efficiency
Days sales outstanding (dso)	-	-	-	-	-
Asset turnover	N.G	C.U	T.Y	0.4	0.3
Structure
Debt ratio	V.D	Z.W	H.Z	0.0	1.0
Profitability
Operating margin	QY.N%	GA.A%	KE.W%	82.7%	77.8%
Net profit margin	SB.K%	VY.W%	EV.L%	82.8%	77.9%
Return on assets (roa)	NS.A%	JY.B%	XD.K%	31.7%	24.7%
Return on equity (roe)	SV.N%	QQ.L%	MU.K%	27.4%	22.0%

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Licences & notices

No licenses and notices found

Company has no active licenses and business activity notices

Regulations

Regulation no.	Date	Type	Status
Ä 50072331 / 4	28.06.2024	Entry - Amendment entry	Entered into force (28.06.2024)
Ä 50072331 / 3	01.09.2023	Entry - Amendment entry	Entered into force (01.09.2023)
Ä 50072331 / 2	20.01.2018	Entry - Amendment entry	Entered into force (20.01.2018)
Ä 50072331	18.12.2017	Entry - Initial entry	Entered into force (18.12.2017)

1 - 4 / 4 rows

Real estate

Address	Area	Purpose
Graniidi tn 8, Põhja-Tallinna linnaosa, Tallinn, Harju maakond	581 m²	Residential land 100%
Graniidi tn 8, Põhja-Tallinna linnaosa, Tallinn, Harju maakond	581 m²	Residential land 100%
Kalma tn 4 // 6 // 8 // 10 // 12 // 14, Põhja-Tallinna linnaosa, Tallinn, Harju maakond	5981 m²	Residential land 100%
Pille tn 7 // Tiiu tn 3 // Veerenni tn 36, Kesklinna linnaosa, Tallinn, Harju maakond	8463 m²	Commercial land 10%, Residential land 90%

Karster OÜ

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