Published company profile

Quantum Services International Oy

QSi Consultancy Group is a specialist international consultancy established in 2007, providing contractual advice, commercial management, claims handling, delay analysis, dispute resolution, and expert services to the construction industry. The firm operates offices in the UK, EU, and Middle East, with consultants holding collective experience across over 30 countries on major infrastructure and energy projects.

Website: https://www.qsint.comHeadquarters: 20100, FinlandTeam: 10-49Founded: 2007Model: B2B ServicesStage: EstablishedBusiness ID: 2140489-9

Updated 23 days ago

Construction ConsultingLegal & Dispute ResolutionConstruction ClaimsDispute ResolutionDelay AnalysisCommercial ManagementExpert Witness ServicesContract Advisory

01 — Financials

Financial overview

Revenue

€12,400,000

Operating profit

€1,850,000

Net profit

€1,240,000

Profit margin

10.0%

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02 — Signals & news

Recent activity

Data updates

People verifiedMar 23, 2026

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03 — Get in touch

Reach Quantum Services International Oy

qsint.com

20100, Finland

enquiries@qsint.com

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