International Financial Centres
For regulated, investment or holding structures requiring recognised legal and court frameworks.
Offshore Services · Legal practice
Offshore Services and Structuring
Strategic guidance on offshore entity formation, tax-efficient structuring, and cross-border business planning for international companies and investors.
How can we help with offshore planning?
Speak with MostarInternational structuring hub
The right structure begins with the business objective
An offshore or international company should not be selected by tax rate alone. The appropriate structure depends on where the owners live, where management takes place, where value is created, which banks and counterparties are involved, and what reporting and substance rules apply.
What we structure
The page is organised around legitimate business and ownership objectives rather than one preferred jurisdiction.
- 01
International Operating Companies
- Regional or global service businesses
- Trading and distribution structures
- Online and technology businesses
- Subsidiaries and branch networks
- 02
Holding & Ownership Structures
- Shareholdings and group ownership
- Intellectual property holding
- Real estate and investment assets
- Succession and family ownership
- 03
Investment Structures
- Joint ventures
- Special-purpose vehicles
- Private investments
- Cross-border acquisitions
- 04
International Trade
- Import-export structures
- Agency and distribution models
- Supply and logistics contracts
- Payment and counterparty coordination
- 05
Private Wealth Structures
- Family holding companies
- Trust and foundation coordination
- Succession planning
- Governance of family assets
- 06
Restructuring & Migration
- Redomiciliation and continuation
- Moving ownership between jurisdictions
- Group simplification
- Closing legacy entities
04 / Jurisdiction comparison
How we compare jurisdictions
Instead of presenting one universal offshore solution, we compare jurisdiction types against the client's actual operating and compliance needs.Tax-Neutral Jurisdictions
For lawful international structures where tax neutrality is relevant and substance and reporting are addressed.
Treaty-Based Jurisdictions
For structures where treaty access, withholding tax and commercial credibility are important.
Onshore Holding Locations
For groups needing stronger substance, workforce, banking and operational presence.
Free Zones & Special Regimes
For businesses using a defined regulatory, licensing or economic-zone framework.
Private Wealth Jurisdictions
For family governance, trusts, foundations and succession arrangements.
03 / Selection framework
Jurisdiction selection framework
Every recommendation should be tested against ownership, control, tax residence, operations, banking and exit planning.- Owners & Tax ResidenceWhere owners and controllers live and report income.01
- Management & ControlWhere decisions are made and directors operate.02
- Business ActivityWhere staff, customers, suppliers and value creation are located.03
- Banking & PaymentsBankability, payment rails, currencies and counterparties.04
- Substance & ReportingPeople, premises, expenditure, accounting and disclosure.05
- Exit & SuccessionSale, investment, inheritance, liquidation or redomiciliation.06
07 / The Mostar approach
How Mostar supports international structures
We coordinate the legal workstream from initial design through formation, banking preparation and ongoing maintenance.Structuring & Legal Analysis
Objective and risk assessment, jurisdiction comparison, ownership and governance design, and tax and regulatory coordination.
Formation & Implementation
Entity or arrangement formation, constitutional and ownership documents, registered office and provider coordination, and banking and KYC preparation.
Ongoing Maintenance
Annual filings and renewals, corporate records and resolutions, substance and reporting coordination, and changes, transfers and restructuring.
06 / Compliance
Compliance is part of the structure
Modern international structures are subject to ownership transparency, automatic exchange of financial information, tax-residence analysis and, in many jurisdictions, economic-substance requirements.Beneficial OwnershipBO
Identification and reporting of the individuals who ultimately own or control the structure.
CRS & Tax ReportingCRS
Assessment of financial-account reporting and the owner's home-country obligations.
Economic SubstanceES
People, premises, expenditure, decision-making and core activities where required.
Accounting & RecordsAR
Books, financial statements, supporting records and audit coordination.
Banking KYCKYC
Source of funds, source of wealth, business rationale and transaction profile.
Sanctions & AMLAML
Counterparty checks, restricted markets and anti-money-laundering controls.
Client situations
Common client situations
Clients usually approach structuring with a specific ownership or transaction objective. These are typical starting points.We need an international holding company
We want to centralise ownership of operating companies, investments or intellectual property.
Holding structure →We sell services globally
We need a bankable operating structure with contracts, payments and clear tax residence.
International operating company →We are entering a joint venture
We need an SPV, shareholder protections and a clear exit mechanism.
Investment structure →Our current offshore company no longer works
We need to assess substance, banking, reporting and possible redomiciliation or closure.
Restructuring →We need a family ownership structure
We want governance, succession and asset ownership coordinated across generations.
Private wealth →The bank is requesting more evidence
We need to prepare ownership, source-of-funds and commercial-rationale documentation.
Banking readiness →Guides and answers
International structuring guides
Practical starting points for owners and businesses considering an international structure.How to Choose an International Company Jurisdiction
Read guide →Economic Substance for International Structures
Read guide →Preparing an Offshore Company for Bank KYC
Read guide →Common questions
Frequently asked questions
Common questions