CastleBook OÜ

Registry code 16189086 · Active (R Registrisse kantud)

CastleBook OÜ is an osaühing, Estonia, incorporated on 22 Mar 2021. Its registered activity is veebiotsinguportaalide tegevus. Its latest published accounts for the period ending 31 Dec 2025 show equity of €1,902, total assets of €105k, turnover of €175, a result of −€598. It has filed 5 sets of accounts. Our model estimates a 1.71 % probability that it becomes insolvent within 12 months, 39.7 times the average for active companies (very high risk).

Insolvency risk, next 12 months

1.71 %
Very high risk
Lowest riskHighest risk

Higher than 100 % of active companies in Estonia. 39.7× the average annual insolvency rate (0.04 %).

Raises the risk

Equity ratio5.2×< 0.0723788 · 0.22 % became insolvent
Accounts filed2.6×5–6 · 0.11 % became insolvent
Total assets (log)2.5×4.98561–5.65704 · 0.11 % became insolvent
Loss1.7×1 · 0.07 % became insolvent
Operating margin1.6×< -0.460928 · 0.07 % became insolvent
Loss two years running1.6×1 · 0.07 % became insolvent

Lowers the risk

Accounts type0.1×micro · 0.01 % became insolvent
Current ratio0.2×≥ 10 · 0.01 % became insolvent
Current liabilities ÷ assets0.3×0–0.0109453 · 0.01 % became insolvent
Turnover (log)0.3×0–3.00043 · 0.01 % became insolvent
Equity (signed log)0.3×1.04139–3.39915 · 0.01 % became insolvent
Employees0.4×0–1 · 0.02 % became insolvent

Each factor compares companies in the same group (for example the same age band) with the average. The score is a statistical estimate from public data (model AUC 0.96, trained 6 Nov 2026), not a credit rating. How it works.

Company details

Registry code
16189086 · official register
Status
R Registrisse kantud
Legal form
Osaühing
Incorporated
22 Mar 2021 (6 years)
Activity
63911 Veebiotsinguportaalide tegevus
Industry
Information service activities
Accounts overdue
No

Insolvency and register events

No insolvency or liquidation events on record.

Annual accounts EUR

Period endPublishedTurnoverResultEquityTotal assetsCurrent liabilitiesCashEmployees
31 Dec 202529 May 2026€175 −€598€1,902€105k €131–0
31 Dec 20243 Jun 2025€0 −€1,484€2,500€104k €50k€4,1630
31 Dec 202320 Jun 2024€0 −€506€1,994€102k €100k€2,1880
31 Dec 20227 Jun 2023€0 €0€2,500€2,500 –€2,5000
31 Dec 202127 Jun 2022€0 €0€2,500€2,500 –€2,5000

As published. Small companies often file a balance sheet only, so turnover and result can be missing.

Questions about CastleBook OÜ

What is the registry code of CastleBook OÜ?

CastleBook OÜ is registered under registry code 16189086 in the official register of Estonia. View it at the official register.

Is CastleBook OÜ still active?

Yes. CastleBook OÜ is registered as active (status: R Registrisse kantud).

Has CastleBook OÜ gone bankrupt or into insolvency?

No insolvency, bankruptcy or administration is recorded for CastleBook OÜ in the official data.

How likely is CastleBook OÜ to become insolvent?

Our model estimates a 1.71 % probability that CastleBook OÜ becomes insolvent within the next 12 months (very high risk). That is higher than 100 % of active companies in Estonia.

When was CastleBook OÜ founded?

CastleBook OÜ was incorporated on 22 Mar 2021.

What do the latest accounts of CastleBook OÜ show?

The latest published accounts (period ending 31 Dec 2025) show equity of €1,902, total assets of €105k, turnover of €175, a result of −€598, 0 employees.

Data: e-Business Register (Centre of Registers and Information Systems, RIK) – open data (CC BY 4.0). Last updated 6 Nov 2026.