Co-one OÜ

Legal formLegal form:: Private limited company
Registry codeRegistry code:: 16208197
VAT no.VAT no.:: EE102418833
Fiscal-year periodFiscal-year period:: 01.01 - 31.12
EstablishedEstablished:: 15.04.2021 (5 y)
CapitalCapital:: 12 011,39 EUR
AddressAddress:: Tartu mnt 82, Kesklinna linnaosa, Tallinn, Harju maakond, 10112
StatusStatus:: Registered

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Contacts

EmailEmail:: arman.kayhan@co-one.co
WebsiteWebsite:: https://co-one.co
WebsiteWebsite:: https://www.linkedin.com/company/co-one-co/

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Industries

ELECTRONIC COMMUNICATIONS SERVICES, PROGRAMMING, CONSULTANCY, DATA-INFRASTRUCTURE AND OTHER INFORMATION ACTIVITIES
Computer programming, consultancy and related activities
Other information technology and computer service activities
Other information technology and computer service activities
62901 – Other information technology and computer service activities

VAT liability

VAT no.	Start	End
EE102418833	11.10.2021	-

Annual reports

Aggregate data

Year	Period	Submitted	Status
2025	01.01.2025 – 31.12.2025	29.06.2026	Valid	PDF
2024	01.01.2024 – 31.12.2024	01.07.2025	Valid	PDF
2023	01.01.2023 – 31.12.2023	01.07.2024	Valid	PDF
2022	01.01.2022 – 31.12.2022	25.05.2023	Valid	PDF
2021	15.04.2021 – 31.12.2021	31.05.2023	Valid	PDF
2021	15.04.2021 – 31.12.2021	08.03.2023	Expired	PDF

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No unsubmitted declarations as of 30.09.2026.

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Tax debt Reports Declarations Court decisions–Official announcements–TTJA decisions–Real estate–.ee domains–Licenses–Regulations13 Public transactions7 Grants–State aid5 Public procurement–Holdings in companies–Enforcement proceedings Payment orders

Tax data

Period	State taxes	Labour taxes	Taxable turnover	Employees
2026 Q2	22 976 €	25 002 €	90 396 €+134%	3
2026 Q1	22 551 €	24 100 €	38 556 €−80,3%	4
Total 2026:	45 527 €	49 102 €	128 952 €
2025 Q4	22 867 €	24 408 €	195 776 €+33,8%	4
2025 Q3	17 790 €	20 082 €	146 306 €−25,9%	4
2025 Q2	17 926 €	18 980 €	197 420 €+8,9%	3
2025 Q1	17 049 €	17 987 €	181 221 €+34,6%	3
Total 2025:	75 632 €	81 457 €	720 723 €
2024 Q4	16 287 €	16 838 €	134 649 €−22,2%	2
2024 Q3	12 335 €	11 788 €	173 128 €+33,9%	2
2024 Q2	11 675 €	11 448 €	129 265 €−6,9%	1
2024 Q1	10 277 €	10 284 €	138 778 €−0,9%	1
Total 2024:	50 574 €	50 358 €	575 820 €
2023 Q4	9 408 €	9 702 €	140 103 €−10,1%	1
2023 Q3	9 327 €	9 702 €	155 794 €+6,4%	1
2023 Q2	9 198 €	9 702 €	146 434 €+87,0%	1
2023 Q1	5 122 €	5 441 €	78 292 €+82,4%	1
Total 2023:	33 055 €	34 547 €	520 623 €
2022 Q4	736 €	763 €	42 912 €+89,9%	1
2022 Q3	183 €	0 €	22 593 €−37,3%	-
2022 Q2	-	-	36 039 €+534%	-
2022 Q1	-	-	5 680 €	-
Total 2022:	919 €	763 €	107 224 €
2021 Q4	-	-	0 €	-
Total 2021:	0 €	0 €	0 €

Revenue by industry

	2023	2024	2025
Other information technology and computer service activities	143 923 €	253 463 €	315 580 €

Tax debts

No tax debt found

No tax debt as of 14.08.2026

Representatives

	Personal ID code
Ataberk Arman Kayhan	39604XXXXXX	20.04.1996 (30)	Board member	15.04.2021	-
Mert Menekşe	39508XXXXXX	28.08.1995 (31)	Board member	15.04.2021	-

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Shareholders

	Personal ID code
Ataberk Arman Kayhan	39604XXXXXX	20.04.1996 (30)	Shareholder	3 677,56 EUR	30,62%	Sole ownership	21.03.2025	-
Mert Menekşe	39508XXXXXX	28.08.1995 (31)	Shareholder	3 677,56 EUR	30,62%	Sole ownership	21.03.2025	-
Maxis Girişim Sermayesi Portföy Yönetimi A.Ş. Yenilikçi Girişim Sermayesi Yatırım Fonu	61313XXXXX	-	Shareholder	840,22 EUR	7,00%	Sole ownership	21.03.2025	-
Ak Portföy Yönetimi A.Ş. Birinci Teknoloji Girişim Sermayesi Yatırım Fonu	01112XXXXX	-	Shareholder	740,95 EUR	6,17%	Sole ownership	27.06.2025	-
Ak Portföy Yönetimi A.Ş. AgeSA Emeklilik Teknoloji Girişim Sermayesi Yatırım Fonu	01111XXXXX	-	Shareholder	740,95 EUR	6,17%	Sole ownership	27.06.2025	-

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Other persons

	Personal ID code
Ataberk Arman Kayhan	39604XXXXXX	20.04.1996 (30)	Founder	15.04.2021	-
Mert Menekşe	39508XXXXXX	28.08.1995 (31)	Founder	15.04.2021	-

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Ultimate beneficial owners

	Personal ID code
Ataberk Arman Kayhan	39604XXXXXX	20.04.1996 (30)	Direct holding	15.04.2021	-
Mert Menekşe	39508XXXXXX	28.08.1995 (31)	Direct holding	15.04.2021	-

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Holdings in companies

No holdings in companies found

Company has no holdings in other companies

2026 Q2

Turnover

Amount: 90 396 €
Monthly average: 30 132 €
Per employee: 10 044 €
Equity ratio: 250,86%

Labour taxes

Turnover ratio: 27,66%
Tax ratio: 108,82%
Monthly average: 8 334 €
Per employee: 2 381 €

State taxes

Monthly average: 7 659 €
Turnover ratio: 25,42%

Estimated salary

Gross salary: 4 254 €
Net salary: 3 353 €

Aggregate data

	2025	2024	2023	2022	2021
Current assets	482 531 €+118%	221 538 €+9,6%	202 094 €+2 120%	9 105 €−91,2%	103 840 €
Non-current assets	-	-	-	-	-
Total assets	482 531 €+118%	221 538 €+9,6%	202 094 €+2 120%	9 105 €−91,2%	103 840 €
Short-term liabilities	97 731 €+177%	35 260 €+119%	16 067 €+224%	4 955 €+7 765%	63 €
Long-term liabilities	-	-	-	-	-
Total liabilities	97 731 €+177%	35 260 €+119%	16 067 €+224%	4 955 €+7 765%	63 €
Share or stock capital	-	-	-	-	-
Retained earnings	-894 407 €−50,4%	-594 658 €−336%	-136 535 €−270%	-36 908 €−126%	140 685 €
Net profit	-450 038 €−50,1%	-299 749 €+34,6%	-458 123 €−360%	-99 627 €−170%	-36 908 €
Equity	384 800 €+107%	186 278 €+0,1%	186 027 €+4 383%	4 150 €−96,0%	103 777 €
Turnover	315 580 €+24,5%	253 463 €+76,1%	143 923 €+115%	66 918 €+3 832%	1 702 €
Profit margin	-142,6%	-118,3%	-318,3%	-148,9%	-2 168,5%

Financial ratios

	2022	2021
Profit and cash flow
EBITDA	-	-
Liquidity
Current ratio	1,8	1 648,3
Quick ratio	1,8	1 648,3
Cash ratio	0,2	1 646,6
Efficiency
Days sales outstanding (dso)	23,0	22,7
Asset turnover	1,2	0,0
Structure
Debt ratio	0,5	0,0
Profitability
Operating margin	-148,7%	-2 168,5%
Net profit margin	-148,9%	-2 168,5%
Return on assets (roa)	-176,4%	-35,5%
Return on equity (roe)	-2 400,7%	-35,6%

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Licences & notices

No licenses and notices found

Company has no active licenses and business activity notices

Regulations


Ä 50171633 / 9	06.05.2025	Entry – Amendment entry	-	Entered into force06.05.2025
Ä 50171633 / M4	11.04.2025	Order to remedy deficiencies – Amendment entry	29.04.2025	Entered into force30.04.2025
Ä 50171633 / M3	31.03.2025	Order to remedy deficiencies – Amendment entry	30.04.2025	Entered into force01.05.2025
Ä 50171633 / 8	02.09.2023	Entry – Amendment entry	-	Entered into force02.09.2023
Ä 50171633 / M2	18.05.2023	Directive order	01.06.2023	Deficiencies remedied31.05.2023

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


16.07.2026	Majandus- ja Kommunikatsiooniministeerium	34 348,27 €Received	OTHER GRANTSR&D in general economic, trade and labour policy
30.03.2026	Majandus- ja Kommunikatsiooniministeerium	31 963,89 €Received	OTHER GRANTSR&D in general economic, trade and labour policy
25.03.2026	Majandus- ja Kommunikatsiooniministeerium	8 157,71 €Received	OTHER GRANTSR&D in general economic, trade and labour policy
09.02.2026	Majandus- ja Kommunikatsiooniministeerium	32 805,23 €Received	OTHER GRANTSR&D in general economic, trade and labour policy
03.11.2025	Majandus- ja Kommunikatsiooniministeerium	22 547,54 €Received	OTHER GRANTSR&D in general economic, trade and labour policy

Funded projects

No funded projects found

The company has no projects funded by EU or foreign grants

State aid


16.03.2026	Ettevõtluse ja Innovatsiooni SihtasutusAid measure 241718	T&A VTA › T&A VTAGrant	8 157,71 €	241718/2600049
03.10.2025	Ettevõtluse ja Innovatsiooni SihtasutusAid measure 241718	T&A VTA › T&A VTAGrant	6 571,89 €	241718/2500315
26.05.2025	Ettevõtluse ja Innovatsiooni SihtasutusAid measure 221322	Muu › MuuGrant	12 000 €	221322/2500002
26.05.2025	Ettevõtluse ja Innovatsiooni SihtasutusAid measure 241663	EK grupierandi määrus 651/2014 Teadus- ja arendustegevuseks ning innovatsiooniks antav abi (artiklid 25-30) › Teadus- ja arendusprojektidele antav abi (artikkel 25 lõike 2 punkt b) - rakendusuuringudGrant	137 302,28 €	241663/2500016
11.04.2025	Ettevõtluse ja Innovatsiooni SihtasutusAid measure 241718	T&A VTA › T&A VTAGrant	2 776,12 €	241718/2500032

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.