LKR Knowledge BaseBy LKR Advisors — a plain-english ledger of Indian business
Ports, Shipping & Shipbuilding
Concept #512

The Tonnage Tax Scheme

Why a shipping company can choose to pay tax based on how big its ships are, not how much profit it actually made

Ports, Shipping & Shipbuilding·advanced·1 min read·Updated July 2026
Tax computed on ship's net tonnage, not actual profit
Basis
Extended to inland waterway vessels
2025 expansion

Imagine a tax system where a shipping company's tax bill is calculated not from its actual reported profit, which can swing wildly year to year with volatile global freight rates, but from a fixed formula based purely on the physical size, net tonnage, of the ships it operates, a genuinely unusual departure from how most businesses are taxed. The Tonnage Tax Scheme offers exactly this alternative, and shipping companies worldwide, not just in India, have widely adopted similar schemes because of the predictability it provides.

This predictability matters enormously in an industry as genuinely cyclical as global shipping, freight rates can swing dramatically based on global trade volumes, fuel costs and vessel oversupply, meaning a shipping company's actual annual profit is often unpredictable and highly volatile, tonnage tax removes that volatility from the company's tax planning, letting it budget tax liability years in advance based simply on its fleet's known tonnage.

To qualify, an Indian company needs effective management in India and must own at least one qualifying ship, a seagoing vessel of at least 15 net tonnage registered under the Merchant Shipping Act, covered elsewhere on this site, with DG Shipping, also covered elsewhere on this site, issuing the compliance certificates verifying continued eligibility, including minimum training requirements for trainee officers the scheme mandates.

The 2025 expansion extending this scheme to inland waterway vessels operating on India's national waterways, covered elsewhere on this site, represents a genuine broadening of tonnage tax's scope beyond just ocean-going ships, recognising that India's inland waterway transport sector needs the same kind of predictable, competitive tax treatment to actually grow, rather than remaining a policy tool reserved exclusively for larger seagoing shipping companies.

Tonnage TaxShipping TaxationQualifying Ship