Blackbelt Labs OÜ

Legal formLegal form:: Private limited company
Registry codeRegistry code:: 12913332
VAT no.VAT no.:: EE101841919
Fiscal-year periodFiscal-year period:: 01.01 - 31.12
EstablishedEstablished:: 15.09.2015 (11 y)
Former business namesFormer business names:: ThoughtBay OÜ
CapitalCapital:: 2 500 EUR
AddressAddress:: Narva mnt 5, Kesklinna linnaosa, Tallinn, Harju maakond, 10117
StatusStatus:: Registered
LEI codeLEI code:: 254900FTCLH0MP2HR439

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Contacts

EmailEmail:: info@blackbeltlabs.com

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Industries

ELECTRONIC COMMUNICATIONS SERVICES, PROGRAMMING, CONSULTANCY, DATA-INFRASTRUCTURE AND OTHER INFORMATION ACTIVITIES
Computer programming, consultancy and related activities
Programming
Programming
62101 – Programming

VAT liability

VAT no.	Start	End
EE101841919	23.12.2021	-
EE101841919	05.10.2015	21.12.2021

Annual reports

Aggregate data

Year	Period	Submitted	Status
2025	01.01.2025 – 31.12.2025	02.07.2026	Valid	PDF
2024	01.01.2024 – 31.12.2024	07.07.2025	Valid	PDF
2023	01.01.2023 – 31.12.2023	01.07.2024	Valid	PDF
2022	01.01.2022 – 31.12.2022	19.12.2023	Valid	PDF
2022	01.01.2022 – 31.12.2022	05.07.2023	Expired	PDF
2021	01.01.2021 – 31.12.2021	18.10.2022	Valid	PDF
2020	01.01.2020 – 31.12.2020	12.10.2022	Valid	PDF
2019	01.01.2019 – 31.12.2019	23.07.2021	Valid	PDF
2018	01.01.2018 – 31.12.2018	11.03.2019	Valid	PDF
2017	01.01.2017 – 31.12.2017	25.01.2018	Valid	PDF
2016	01.01.2016 – 31.12.2016	19.06.2017	Valid	PDF
2015	15.09.2015 – 31.12.2015	17.03.2016	Valid	PDF

Unsubmitted declarations

No unsubmitted declarations found

No unsubmitted declarations as of 30.09.2026.

Delayed declarations

VAT return	20.11.2025	03.12.2025	13 d overdue
VAT return	22.09.2025	24.09.2025	2 d overdue

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Tax debt Reports Declarations Court decisions–Official announcements–TTJA decisions–Real estate–.ee domains–Licenses–Regulations10 Public transactions–Grants–State aid–Public procurement–Holdings in companies–Enforcement proceedings Payment orders

Tax data

Period	State taxes	Labour taxes	Taxable turnover	Employees
2026 Q2	2 115 €	0 €	153 276 €+42,4%	-
2026 Q1	2 821 €	0 €	107 641 €−51,5%	-
Total 2026:	4 936 €	0 €	260 917 €
2025 Q4	-	-	221 847 €−10,9%	-
2025 Q3	2 623 €	0 €	248 941 €−20,8%	-
2025 Q2	-	-	314 263 €−29,5%	-
2025 Q1	-	-	445 681 €−16,5%	-
Total 2025:	2 623 €	0 €	1,23 M €
2024 Q4	-	-	533 941 €+6,9%	-
2024 Q3	2 503 €	753 €	499 300 €−4,4%	-
2024 Q2	-	-	522 075 €+34,7%	-
2024 Q1	7 506 €	1 505 €	387 622 €−8,9%	-
Total 2024:	10 009 €	2 258 €	1,94 M €
2023 Q4	7 500 €	0 €	425 496 €+162%	-
2023 Q3	31 276 €	896 €	162 618 €−54,1%	-
2023 Q2	15 019 €	4 516 €	354 556 €−1,2%	-
2023 Q1	970 €	545 €	358 703 €+5,6%	-
Total 2023:	54 765 €	5 957 €	1,30 M €
2022 Q4	9 867 €	1 071 €	339 639 €+18,2%	-
2022 Q3	16 057 €	1 071 €	287 438 €−24,5%	-
2022 Q2	1 082 €	1 071 €	380 706 €−18,3%	-
2022 Q1	21 610 €	2 328 €	466 202 €	-
Total 2022:	48 616 €	5 541 €	1,47 M €
2021 Q4	3 271,54 €	756,58 €	-	-
2021 Q3	646,54 €	656,58 €	-	-
2021 Q2	5 334,72 €	1 823,25 €	55 227,54 €−62,2%	-
2021 Q1	696,54 €	656,58 €	145 970,86 €	1
Total 2021:	9 949,34 €	3 892,99 €	201 198,40 €
2020 Q4	5 646,54 €	656,58 €	-	1
2020 Q3	1 892,86 €	773,25 €	221 032,05 €	1
2020 Q2	621,54 €	656,58 €	-	1
2020 Q1	1 946 €	1 177 €	116 793 €−57,2%	1
Total 2020:	10 106,94 €	3 263,41 €	337 825,05 €
2019 Q4	368 €	390 €	273 193 €+72,7%	1
2019 Q3	1 819 €	585 €	158 231 €+363%	1
2019 Q2	1 745 €	818 €	34 192 €+1 087%	1
2019 Q1	1 358 €	1 338 €	2 880 €−78,9%	1
Total 2019:	5 290 €	3 131 €	468 496 €
2018 Q4	1 704 €	1 784 €	13 644 €−26,6%	1
2018 Q3	1 278 €	1 338 €	18 595 €−20,3%	1
2018 Q2	3 352 €	892 €	23 320 €+459%	1
2018 Q1	1 282 €	1 402 €	4 169 €+7,9%	1
Total 2018:	7 616 €	5 416 €	59 728 €
2017 Q4	980 €	1 020 €	3 864 €−72,3%	1
2017 Q3	4 449 €	1 530 €	13 960 €	1
2017 Q2	1 470 €	1 530 €	0 €−100%	1
2017 Q1	2 895 €	931 €	15 093 €−79,3%	1
Total 2017:	9 794 €	5 011 €	32 917 €
2016 Q4	577 €	602 €	73 086 €	1
2016 Q3	3 077 €	602 €	73 086 €	1
2016 Q2	577 €	602 €	73 086 €+50,0%	1
2016 Q1	384 €	402 €	48 724 €	1
Total 2016:	4 615 €	2 208 €	267 982 €
2015 Q4	0 €	0 €	0 €	0
2015 Q3	0 €	0 €	0 €	0
Total 2015:	0 €	0 €	0 €

Revenue by industry

	2023	2024	2025
Programming	848 998 €	998 399 €	582 692 €

Tax debts

No tax debt found

No tax debt as of 30.09.2026

Representatives

	Personal ID code
Mirko Kiefer	38809XXXXXX	20.09.1988 (38)	Board member	15.09.2015	-

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Shareholders

	Personal ID code
Mirko Kiefer	38809XXXXXX	20.09.1988 (38)	Shareholder	2 500 EUR	100,00%	Sole ownership	01.09.2023	-

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Other persons

	Personal ID code
Mirko Kiefer	38809XXXXXX	20.09.1988 (38)	Founder	15.09.2015	-

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Ultimate beneficial owners

	Personal ID code
Mirko Kiefer	38809XXXXXX	20.09.1988 (38)	Direct holding	13.01.2026	-

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Holdings in companies

No holdings in companies found

Company has no holdings in other companies

2026 Q2

Turnover

Amount: 153 276 €
Monthly average: 51 092 €
Per employee: -
Equity ratio: 2 043,68%

Labour taxes

Turnover ratio: 0,00%
Tax ratio: 0,00%
Monthly average: 0 €
Per employee: -

State taxes

Monthly average: 705 €
Turnover ratio: 1,38%

Estimated salary

Gross salary: -
Net salary: -

Aggregate data

Last 5 yrsAll

	2025	2024	2023	2022	2021	2020	2019
Current assets	1 655 568 €+7,4%	1 541 020 €+20,3%	1 281 300 €−14,8%	1 503 508 €−5,8%	1 595 323 €+36,8%	1 165 781 €+76,3%	661 385 €
Non-current assets	1 657 €+13,7%	1 457 €−51,4%	3 000 €−6,4%	3 205 €+15,1%	2 784 €−21,4%	3 544 €+12,5%	3 149 €
Total assets	1 657 225 €+7,4%	1 542 477 €+20,1%	1 284 300 €−14,8%	1 506 713 €−5,7%	1 598 107 €+36,7%	1 169 325 €+76,0%	664 534 €
Short-term liabilities	45 171 €+127%	19 880 €+91,7%	10 368 €−72,2%	37 330 €−73,4%	140 244 €+56,4%	89 673 €+346%	20 088 €
Long-term liabilities	-	-	-	-	-	-	-
Total liabilities	45 171 €+127%	19 880 €+91,7%	10 368 €−72,2%	37 330 €−73,4%	140 244 €+56,4%	89 673 €+346%	20 088 €
Share or stock capital	-	-	-	-	-	-	-
Retained earnings	1 510 797 €+21,9%	1 239 175 €+0,4%	1 233 783 €−3,3%	1 275 363 €+21,8%	1 047 152 €+71,1%	611 950 €+123%	274 578 €
Net profit	98 757 €−64,8%	280 922 €+646%	37 649 €−80,3%	191 520 €−53,1%	408 211 €−12,3%	465 202 €+26,6%	367 368 €
Equity	1 612 054 €+5,9%	1 522 597 €+19,5%	1 273 932 €−13,3%	1 469 383 €+0,8%	1 457 863 €+35,0%	1 079 652 €+67,5%	644 446 €
Turnover	582 692 €−41,6%	998 399 €+17,6%	848 998 €+0,6%	844 178 €+54,5%	546 401 €−28,4%	762 656 €+50,8%	505 782 €
Profit margin	16,9%	28,1%	4,4%	22,7%	74,7%	61,0%	72,6%

Financial ratios

	2022	2021
Profit and cash flow
EBITDA	309 781 €	250 220 €
Liquidity
Current ratio	40,3	11,4
Quick ratio	40,3	11,4
Cash ratio	11,7	2,5
Efficiency
Days sales outstanding (dso)	28,6	70,6
Asset turnover	0,5	0,4
Structure
Debt ratio	0,0	0,1
Profitability
Operating margin	36,4%	45,5%
Net profit margin	22,7%	74,7%
Return on assets (roa)	12,3%	29,5%
Return on equity (roe)	13,0%	28,0%

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Licences & notices

No licenses and notices found

Company has no active licenses and business activity notices

Regulations


Ä 50015118 / 7	13.01.2026	Entry – Amendment entry	-	Entered into force13.01.2026
Ä 50015118 / 6	01.09.2023	Entry – Amendment entry	-	Entered into force01.09.2023
Ä 50015118 / M3	13.09.2022	Reporting-fine order	06.10.2022	Entered into force07.10.2022
Ä 50015118 / M2	02.05.2022	Fine-warning order – annual report not filed	01.06.2022	Entered into force02.05.2022
Ä 50015118 / 5	19.01.2018	Entry – Amendment entry	-	Entered into force19.01.2018

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.