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Search›Companies›Squarewave OÜ
16153013ActivePrivate limited companyEE102339310 · VAT-registered

Squarewave OÜ

Harju maakond, Tallinn, Haabersti linnaosa, Saadu tn 9-6·EMTAK 73111 — Activities of advertising agencies·5+ years
Andmed · ···
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Overview

e-Business Register · 22 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
03.02.2021e-Business Register
Address
Saadu tn 9-6, Haabersti linnaosa, Tallinn, 13516 Harju maakondADS · e-Business Register
E-mail address
info@squarewave.agencye-Business Register
Website
squarewave.agencye-Business Register · domain active
Telephone
+372 58665517· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 73111 - Activities of advertising agenciese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
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

Browse

  • Home
  • Views
  • Industries
  • Activity licences
  • Recent registrations

Data

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 10 sourcese-Business Register · 7 min agoMTARiigi Teataja · RiigikohusBuiltWithWeb tech scan
e-Business Register ↗

Registered 3. veebruar 2021, primary activity: Activities of advertising agencies. Main place of business in Haabersti linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
0 €
▼ 100% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
20 572 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
0 €
▼ 100% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
41k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Tax debt over time

MTA · last 365 d
Current €0max 4k €
11 Jun 202611 Jul 202610 Aug 2026
30 days
−4k €
3631,42 € → 0,00 €
90 days
–
no data yet
365 days
–
no data yet

Officers (3)

e-Business Register · 22 h ago
BA
Bruce Andrew ArnoldSanctioned
Born 1986 · 39 y · board member since 03.02.2021
Board member
KP
Karel Prave
Born 1992 · 34 y · board member since 08.03.2021
Board member
KR
Karl-Erik Rosenberg
Born 1995 · 31 y · board member since 08.03.2021
Board member

Founders (2)

e-Business Register · 22 h ago
BA
Bruce Andrew ArnoldSanctioned
Born 1986 · 39 y · founder since 02.02.2021
Founder · 2k €
DM
David Michael Bailey
· founder since 02.02.2021
Founder · 625 €

Shareholders (6)

e-Business Register · 22 h ago
0%50%100%
Founder / management
100.0% · 6
#ShareholderType%€
1
Karl-Erik Rosenberg
Founder / management25.00%625 €
2
Bruce Andrew Arnold
Founder / management25.00%625 €
3
Karel Prave
Founder / management25.00%625 €
4
DieHard OÜ
Founder / management8.33%208,33 €
5
PRAVES OÜ
Founder / management8.33%208,33 €
6
Krosen OÜ
Founder / management8.33%208,34 €
Concentration

How tightly the cap table is held. Top-N shows the combined stake of the largest N shareholders; the 80% line is the smallest group that together controls 80%; Gini is 0 when stakes are perfectly equal, 1 when one holder owns everything.

Top 1
25.0%
Top 3
75.0%
Top 5
91.7%
Top 10
100.0%
80% line
4 of 6
Gini
0.25

Dominant holder: 25.0% – non-controlling but blocking.

KR
Karl-Erik Rosenberg
Born 1995 · 31 y · shareholder since 02.09.2023
Shareholder 25% · 625 €
BA
Bruce Andrew ArnoldSanctioned
Born 1986 · 39 y · shareholder since 02.09.2023
Shareholder 25% · 625 €
KP
Karel Prave
Born 1992 · 34 y · shareholder since 02.09.2023
Shareholder 25% · 625 €
DO

Subsidiaries

e-Business Register · shareholders · 22 h ago
Squarewave OÜ16153013Shareholder 100%Sinewave OÜ16848136UÜ ARKK16670547
Squarewave OÜ is a shareholder or officer in 2 more companies.

Authorised limited partner (representation) (1)

e-Business Register · 22 h ago
UÜ ARKK
Valdusfirmade tegevus
16670547

Annual reports (4)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
6,0m €
↘ -46.2% vs 2023
State taxes 2025
61k €
↘ -57.8% vs 2024
Employees 2024
3
0.0% vs 2023
YearRevenueProfitEquityAssetsEmployees
20245 959 080 €104 347 €172k €838k €305.09.2025
2023AUD11 071 041 €356 121 €428k €1,3m €303.09.2024
2022AUD7 045 631 €465 042 €551k €1,1m €301.03.2023
2021
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
10,0m €5,0m €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q0 €19 514 €21 940 €2
20252 093 261 €60 923 €43 756 €2
202416 395 520 €144 458 €69 646 €2
202316 510 270 €219 035 €66 387 €3
202212 112 818 €110 040 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20260 €0 €––
State taxes 202610k €10k €––
Taxes on workforce 202611k €11k €––
Employees 202622––
Revenue 20252,2m €-59k €795 €122 €
State taxes 202510k €15k €

Tech stack

Website analysis · 22 h tagasi
Domains (1)
squarewave.agency
MXGoogle Workspace
NSZone.ee
SRCÄriregister
Detected technologies
UI frameworkBootstrap · Tailwind CSS
OtherOpen Graph · Schema.org
Content management (CMS)WordPress
JavaScript libraryjQuery
Tag managerGoogle Tag Manager
SecurityreCAPTCHA
Web serverApache
Mobile carrier
+372 58665517Telia Eesti AS

Court rulings (1 · 1 as claimant)

Riigi Teataja
20251 decision
11.03.20252-24-13296/16
Võlaõigus › Muud lepingud teenuste osutamiseksHarju Maakohus Tallinna kohtumajaDecision PDF →On Riigi Teataja →On lahend.ee →
HagejaJõustunud

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
11.07.2026TaxMaksuvõlg kasvas— +1 € (kokku 3631 €)
11.06.2026TaxMaksuvõlg kasvas— +3631 € (kokku 3631 €)
2025
05.09.2025ReportEsitati 2024. aasta aruanne— Käive 5 959 080 €
2024
03.09.2024ReportEsitati 2023. aasta aruanne— Käive 11 071 041 €
03.09.2024FilingAruandetrahvimäärus— Ä 50165781 / M4 · Olek: Jõustunud

Connected companies

Same-person ties · e-Business Register

Squarewave OÜ is connected to 16 other companies through 4 people who hold a role here and elsewhere. The strongest tie runs through Karel Prave (5 companies).

Total connections
16
via 4 people
Connecting people
4
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Karel
5 companies
Via personKarel Prave5David Michael Bailey5Karl-Erik Rosenberg4Bruce Andrew Arnold2
KP
Karel Prave
board member, shareholder 25%
5 other companies›
CompanyRoleReg. code
Connectify OÜ
Founder
14368985
Ecom Guys OÜ
Board member
17025530
Lust Intimate OÜ
DieHard OÜ
LEGAL PERSON
Legal person · 16403964 · shareholder since 02.09.2023
Shareholder 8% · 208,33 €
PO
PRAVES OÜLEGAL PERSON
Legal person · 14067232 · shareholder since 02.09.2023
Shareholder 8% · 208,33 €
KO
Krosen OÜLEGAL PERSON
Legal person · 14214880 · shareholder since 02.09.2023
Shareholder 8% · 208,34 €
3 576 993 €
233 762 €
234k €
360k €
4
22.03.2022
48 547 €
3
8k €
28k €
Taxes on workforce 202511k €17k €9k €7k €
Employees 20252112
Revenue 20248,2m €4,0m €2,2m €2,0m €
State taxes 202468k €16k €50k €10k €
Taxes on workforce 202429k €16k €14k €11k €
Employees 20243322
Revenue 20233,5m €4,1m €4,0m €4,9m €
State taxes 202392k €27k €61k €39k €
Taxes on workforce 202320k €16k €16k €15k €
Employees 20233333
Revenue 20222,3m €3,3m €3,6m €3,0m €
State taxes 20227k €33k €27k €43k €
Taxes on workforce 20225k €12k €16k €15k €
Employees 20223333
Board member
17091194
PRAVES OÜ
Shareholder 100%FounderBoard member
14067232
Sinewave OÜ
Board member
16848136
DM
David Michael Bailey
founder
5 other companies›
CompanyRoleReg. code
Bailey Management OÜ
Board member
12729048
Blu Global OÜ
Board memberShareholder 100%Founder
14099628
Briti Eesti Kaubanduskoda
Board member
80010946
MoneyHub OÜ
Founder
17125556
Strategic Readiness & Resilience OÜ
FounderBoard member
17381354
KR
Karl-Erik Rosenberg
board member, shareholder 25%
4 other companies›
CompanyRoleReg. code
Ecom Guys OÜ
Board member
17025530
EXEC CARS OÜ
Board member
17090125
Krosen OÜ
Board memberShareholder 100%
14214880
Sinewave OÜ
Board member
16848136
BA
Bruce Andrew Arnold
board member, founder, shareholder 25%
2 other companies›
CompanyRoleReg. code
DieHard OÜ
Board memberShareholder 100%Founder
16403964
Sinewave OÜ
Board member
16848136

Analysis · 2024

computed from annual reports
Revenue6,0m €median 24k €244.4× the sector median
Net margin1.8%median 7.9%-6.1 pp vs sector median
Revenue per employee2,0m €median 51k €39.3× the sector median
Revenue change-46.2%median 2.4%-48.5 pp vs sector median
Equity ratio20.5%
Current ratio1.24
Labour cost of revenue2.1%
Profit per employee34 782 €
Compared with2023revenue 11,1m €

Peer group: Reklaamiagentuuride tegevus, 2,676 trading companies that filed a report in the last three years.

Founded 2021. That year 19,673 osaühing were registered; 18,994 are still trading, or 96.6%.