Co-one OÜ

Active Registry code 16208197 OÜ Tallinn Registered 15 Apr 2021

Co-one OÜ is a OÜ based in Tallinn, registry code 16208197, status: active. Main activity: Other information technology and computer service activities. According to EMTA, turnover for Q3 2026 was €134 581 with 2 employees.

Turnover

134 581 €

↑ 48.9% vs Q2 2026

State taxes

16 985 €

↓ 26.1% vs Q2 2026

Labour taxes

18 469 €

↓ 26.1% vs Q2 2026

Employees

−1 vs Q2 2026

Q3 2026 · data from the Tax and Customs Board (EMTA)

Position in the industry Computer programming, consultancy and related activities · EMTAK 62

Turnover · Q3 2026 134 581 €

above 85% of companies

industry median 19 078 € · companies in the industry: 7 345
Labour taxes per employee 9 235 €

above 94% of companies

industry median 2 345 € · companies in the industry: 2 783
Revenue · 2025 315 580 €

above 90% of companies

industry median 14 309 € · companies in the industry: 13 336
Net profit margin · 2025 -142.6 %

above 2% of companies

industry median 15.1 % · companies in the industry: 8 943

Taxes and turnover

Q4 2023 – Q3 2026

Turnover, € thousand Q3 2026: 134 581 € · +48.9% vs Q2 2026 · industry median 19 078 € · above 85% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Labour taxes per employee, € Q3 2026: 9 235 € · +10.8% vs Q2 2026 · industry median 2 345 € · above 94% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Employees Q3 2026: 2 · −33.3% vs Q2 2026

State taxes, € Q3 2026: 16 985 € · −26.1% vs Q2 2026

Figures by quarter
Quarter	Turnover, €	State taxes, €	Labour taxes, €	Employees
Q3 2026	134 581	16 985	18 469	2
Q2 2026	90 396	22 976	25 002	3
Q1 2026	38 556	22 551	24 100	4
Q4 2025	195 776	22 867	24 408	4
Q3 2025	146 306	17 790	20 082	4
Q2 2025	197 420	17 926	18 980	3
Q1 2025	181 221	17 049	17 987	3
Q4 2024	134 649	16 287	16 838	2
Q3 2024	173 128	12 335	11 788	2
Q2 2024	129 265	11 675	11 448	1
Q1 2024	138 778	10 277	10 284	1
Q4 2023	140 103	9 408	9 702	1
Q3 2023	155 794	9 327	9 702	1
Q2 2023	146 434	9 198	9 702	1
Q1 2023	78 292	5 122	5 441	1
Q4 2022	42 912	736	763	1
Q3 2022	22 593	183	—	—
Q2 2022	36 039	—	—	—
Q1 2022	5 680	—	—	—

Labour taxes per employee per month

3 078 €

Turnover per employee in the quarter

67 291 €

Q3 2026 · calculated from EMTA data

Financials by year

2021 – 2025

Revenue, € thousand 2025: 315 580 € · +24.5% vs 2024 · industry median 14 309 € · above 90% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € thousand 2025: -450 038 € · −50.1% vs 2024 · industry median 106 € · above 2% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit margin, % 2025: -142.6 % · −24.3 pp vs the year before · industry median 15.1 % · above 2% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, € thousand 2025: 482 531 € · +117.8% vs 2024

Equity, € thousand 2025: 384 800 € · +106.6% vs 2024

Employees 2025: 3 · +50.0% vs 2024 · industry median 1 · above 85% of the industry

Company
Industry median

Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Financials by year
Year	Revenue, €	Net profit, €	Labour costs, €	Assets, €	Equity, €	Employees
2025	315 580	-450 038	274 329	482 531	384 800	3
2024	253 463	-299 749	202 642	221 538	186 278	2
2023	143 923	-458 123	137 779	202 094	186 027	2
2022	66 918	-99 627	96 194	9 105	4 150	2
2021	1 702	-36 908	32 357	103 840	103 777	2

Figures from the company’s own (non-consolidated) balance sheet and income statement. A loss is shown with a minus sign.

Financial ratios for 2025

Net profit margin

-142.6 %

Net profit / revenue

Return on equity (ROE)

-117.0 %

Net profit / equity

Return on assets (ROA)

-93.3 %

Net profit / assets

Equity ratio

79.7 %

Equity / assets

Debt ratio

20.3 %

Liabilities / assets

Current ratio

4.94

Current assets / current liabilities

Revenue per employee

105 193 €

Revenue / average full-time employees

Labour cost per employee per month

7 620 €

Labour costs / employees / 12 months (incl. employer taxes)

Annual reports

PDFs from e-Äriregister

Annual reports
Year	Period	Filed	Report	Documents
2025	1 Jan 2025 – 31 Dec 2025	29 Jun 2026	Company’s own	e-Äriregister
2024	1 Jan 2024 – 31 Dec 2024	1 Jul 2025	Company’s own	e-Äriregister
2023	1 Jan 2023 – 31 Dec 2023	1 Jul 2024	Company’s own	e-Äriregister
2022	1 Jan 2022 – 31 Dec 2022	25 May 2023	Company’s own	e-Äriregister
2021	15 Apr 2021 – 31 Dec 2021	31 May 2023	Company’s own	e-Äriregister

Board

Ataberk Arman Kayhan
Board member · since 15 Apr 2021
Mert Menekşe
Board member · since 15 Apr 2021

Right of representation

Any member of the management board may represent the private limited company in all transactions.

Owners

Ataberk Arman Kayhan
Natural person · 3 678 €

30.62%
Mert Menekşe
Natural person · 3 678 €

30.62%
Maxis Girişim Sermayesi Portföy Yönetimi A.Ş. Yenilikçi Girişim Sermayesi Yatırım Fonu
Legal person · 840 €

7%
Ak Portföy Yönetimi A.Ş. AgeSA Emeklilik Teknoloji Girişim Sermayesi Yatırım Fonu
Legal person · 741 €

6.17%
Ak Portföy Yönetimi A.Ş. Birinci Teknoloji Girişim Sermayesi Yatırım Fonu
Legal person · 741 €

6.17%
İstanbul Portföy Yönetimi A.Ş. Techone Girişim Sermayesi Yatırım Fonu
Legal person · 602 €

5.01%
Trangels Finansal Hizmetler Anonim Şirketi
Legal person · 423 €

3.52%
Domino Ventures Fund Coöperatief U.A.
Legal person · 359 €

2.99%
Lima Next Ventures Finansal Danışmanlık ve Ticaret Anonim Şirketi
Legal person · 242 €

2.01%
Aydin Mizrahi
Natural person · 169 €

1.41%
Yigit Baris Semin
Natural person · 169 €

1.41%
LEAP TEKNOLOJİ YATIRIMLARI ANONİM ŞİRKETİ
Legal person · 141 €

1.17%
Gülfem Sena Tandoğan
Natural person · 133 €

1.11%
Emrah Gültekin
Natural person · 60 €

0.50%
Siret Ünsal
Natural person · 36 €

0.30%

Beneficial owners

Ataberk Arman Kayhan
Direct ownership · TUR · since 15 Apr 2021
Mert Menekşe
Direct ownership · TUR · since 15 Apr 2021

Founders and other persons

Ataberk Arman Kayhan
Founder · 1 250 € · 15 Apr 2021
Mert Menekşe
Founder · 1 250 € · 15 Apr 2021

Activities (EMTAK)

62901Other information technology and computer service activities Main

Rulings 13

All rulings (PDF)

Rulings
Number, date	Title	Deadline	State	Document
Ä 50171633 / 9 6 May 2025	Amendment entry		In force 6 May 2025	PDF
Ä 50171633 / M4 11 Apr 2025	Ruling to eliminate deficiencies	29 Apr 2025	In force 30 Apr 2025	PDF
Ä 50171633 / M3 31 Mar 2025	Ruling to eliminate deficiencies	30 Apr 2025	In force 1 May 2025	PDF
Ä 50171633 / 8 2 Sep 2023	Amendment entry		In force 2 Sep 2023	PDF
Ä 50171633 / M2 18 May 2023	Procedural ruling	1 Jun 2023	Deficiencies eliminated 31 May 2023	PDF
Ä 50171633 / 7 5 Apr 2023	Amendment entry		In force 5 Apr 2023	PDF
Ä 50171633 / 6 1 Mar 2023	Amendment entry		In force 1 Mar 2023	PDF
Ä 50171633 / 5 1 Feb 2023	Amendment entry		In force 1 Feb 2023	PDF
Ä 50171633 / 4 20 Apr 2022	Amendment entry		In force 20 Apr 2022	PDF
Ä 50171633 / 3 21 Jun 2021	Amendment entry		In force 21 Jun 2021	PDF
Ä 50171633 / M1 14 Jun 2021	Ruling to eliminate deficiencies	14 Jul 2021	Deficiencies eliminated 21 Jun 2021	PDF
Ä 50171633 / 2 4 Jun 2021	Amendment entry		In force 4 Jun 2021	PDF
Ä 50171633 15 Apr 2021	First entry		In force 15 Apr 2021	PDF

Sources: e-Äriregister and EMTA. Data updated 31 Oct 2026. Open at the source ↗ · Report an error in the data