# Harha & Co. > Accounting, finance, and strategy consultancy for Ukraine-based technology companies — LLCs, Diia.City residents, and foreign entities. Bilingual (Ukrainian, English). Jurisdictions served: Ukraine, Estonia, United States, UAE. ## Services - [Accounting for IT companies](https://harha.co/accounting/): Accounting services for IT companies: LLCs, Diia.City residents, and foreign entities. Bookkeeping, tax, and reporting handled end-to-end. - [Finance services for IT companies](https://harha.co/finance/): Financial reporting, payroll, AP/AR, and profitability analysis for IT services companies. Clear finances and automated processes. - [Financial strategy for IT companies](https://harha.co/strategy/): Tax optimization, cost management, financial strategy, and CFO-as-a-Service for IT companies. Plan years ahead. ## Articles - [The financial reports every IT services CEO should actually read](https://harha.co/en/blog/financial-reports-for-ceo/): A CFO-level guide to the reports that show whether your IT services company is healthy: the three statements, the metrics bookkeeping misses, cash forecasting, and project margins. - [Diia.City criticality and reservation: the complete CEO guide](https://harha.co/en/blog/diia-city-criticality/): How Ukrainian IT companies get critical-enterprise status and reserve key specialists from mobilization through Diia.City — criteria, procedure, the 2026 rule changes, and what to do now. - [Estonia (OÜ) for a Ukrainian IT company: what the 0% tax really costs](https://harha.co/en/blog/estonia-ou-for-ukrainian-it/): A 2026-current guide for Ukrainian IT owners: how Estonia's 0% retained-profit rule meets Ukrainian CFC rules, effective-management risk, banking, and when an OÜ beats Diia.City. - [Diia.City vs. LLC: a CFO-level comparison for IT companies](https://harha.co/en/blog/diia-city-vs-llc/): Tax math, compliance costs, gig contracts, mobilization, and a decision framework for Ukrainian IT companies choosing between Diia.City and a standard LLC. - [Open a company abroad for an IT business: when it helps](https://harha.co/en/blog/open-company-abroad/): A practical guide for Ukrainian IT company owners: tax, banking, clients, CFC, substance, and how to choose Estonia, US, UK, Poland, Cyprus, or UAE. ## About - [About Harha & Co.](https://harha.co/en/about/): the accounting, finance, and strategy partner for Ukrainian IT companies. Founder: Vitaliy Harha. ## Contact - Email: contact@harha.co - LinkedIn: https://www.linkedin.com/company/harha-co