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Search›Companies›Harmony Ops OÜ
14910220ActivePrivate limited companyEE102270880 · VAT-registered

Harmony Ops OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Villardi tn 11-7·EMTAK 62201 — Computer consultancy activities·6+ years
Andmed · ···
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Overview

e-Business Register · 21 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
12.02.2020e-Business Register
Address
Villardi tn 11-7, Kesklinna linnaosa, Tallinn, 10136 Harju maakondADS · e-Business Register
E-mail address
romet.kallas@gmail.come-Business Register
Telephone
+372 5255600· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 62201 - Computer consultancy activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
LEI
984500140745TD3C4E12 · issued 19.03.2020GLEIF
Estonia's public business register
HomeViewsIndustriesBlogSourcesAbout

Public registry of Estonian companies — every fact traceable to a source and a date. Free and ad-free for everyone.

Nimistu MTÜ
Address: Parda tn 8, 10151 Tallinn, Estonia
E-mail: info@nimistu.ee

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  • Home
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  • Recent registrations

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 9 min agoMTAGLEIF
e-Business Register ↗

Registered 12. veebruar 2020, primary activity: Computer consultancy activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
71 006 €
▲ 190% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
26 013 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
139k €
▲ 210% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
45k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Officers

e-Business Register · 21 h ago
RK
Romet Kallas
Born 1990 · 36 y · board member since 12.02.2020
Board member

Founders

e-Business Register · 21 h ago
RK
Romet Kallas
Born 1990 · 36 y · founder since 11.02.2020
Founder · 3k €

Shareholders

e-Business Register · 21 h ago
RK
Romet Kallas
Born 1990 · 36 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Annual reports (6)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
145k €
↗ +377% vs 2024
State taxes 2025
51k €
↗ +1547% vs 2024
Employees 2025
1
YearRevenueProfitEquity

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
100k €50k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 5255600Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
16.06.2026ReportEsitati 2025. aasta aruanne— Käive 145 246 €
2025
27.06.2025ReportEsitati 2024. aasta aruanne— Käive 30 463 €

Connected companies

Same-person ties · e-Business Register

Harmony Ops OÜ is connected to 2 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Romet Kallas (2 companies).

Total connections
2
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Romet
2 companies
Via personRomet Kallas
Assets
Employees
2025145 246 €60 562 €268k €322k €116.06.2026
202430 463 €17 345 €223k €287k €027.06.2025
202345 000 €41 288 €205k €289k €004.06.2024
2022207 625 €134 054 €164k €239k €028.06.2023
202177 449 €29 933 €90k €98k €127.06.2022
202062 920 €57 567 €60k €61k €025.06.2021
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q139 030 €36 820 €8127 €–
2025136 908 €50 750 €15 759 €–
202423 888 €3081 €716 €–
202360 026 €4339 €299 €–
2022193 006 €32 605 €15 037 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202668k €71k €––
State taxes 202615k €22k €––
Taxes on workforce 20264k €4k €––
Employees 2026––––
Revenue 202520k €25k €46k €46k €
State taxes 202511k €8k €13k €19k €
Taxes on workforce 20254k €4k €4k €4k €
Employees 2025––––
Revenue 20240 €0 €17k €7k €
State taxes 2024288 €306 €2k €661 €
Taxes on workforce 2024179 €179 €179 €179 €
Employees 2024––––
Revenue 202345k €15k €10 €0 €
State taxes 20231k €3k €192 €0 €
Taxes on workforce 20230 €0 €120 €179 €
Employees 2023––––
Revenue 202228k €65k €56k €45k €
State taxes 20229k €17k €5k €1k €
Taxes on workforce 20227k €6k €2k €0 €
Employees 202211––
2
RK
Romet Kallas
board member, founder, shareholder 100%
2 other companies›
CompanyRoleReg. code
AdLabsPPC OÜ
Board memberShareholder 100%Founder
16817105
W3Y OÜ
Shareholder 25%FounderBoard member
16365175

Analysis · 2025

computed from annual reports
Revenue145k €median 36k €4.0× the sector median
Net margin41.7%median 22.1%+19.6 pp vs sector median
Revenue per employee145k €median 68k €2.1× the sector median
Revenue change376.8%median 2.3%+374.5 pp vs sector median
Equity ratio83.3%
Current ratio1.27
Labour cost of revenue22.6%
Profit per employee60 562 €
Compared with2024revenue 30k €

Peer group: Arvutialased konsultatsioonid, 2,128 trading companies that filed a report in the last three years.

Founded 2020. That year 15,799 osaühing were registered; 15,242 are still trading, or 96.5%.