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Compare operators, 2025

Pick a company or group, then the competitors to hold it against, or compare verifiers. Every figure comes from the public THETIS-MRV reports for EU and EEA voyages.

Side by side

All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.

G-Marine Service Co Ltd
Ships25
CO₂ emitted203 kt+298.1%
Fuel per mile120 kg/nm
Average speed14.7 kn
CO₂ at berth2.8%
Ships burning LNG1
Main segmentVehicle carrier

Fuel per mile and speed depend on ship size and type; compare them within a segment below.

Segment by segment

Efficiency only compares within a ship type. Each row gives the CO₂ per transport work of an operator's typical (median) ship, and the bar sets it against the typical ship of the whole segment: to the left of the line it emits less CO₂ for the same transport work, to the right more.

Vehicle carrier

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 55.4

  • G-Marine Service Co Ltd46.6 (−16%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
G-Marine Service Co Ltd2146.6−16%11114.71,4592.6%–
Segment median 55.40%

Container

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 16.3

  • G-Marine Service Co Ltd8.6 (−47%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
G-Marine Service Co Ltd38.6−47%16014.42,0373.2%1
Segment median 16.30%

Oil tanker

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 8.0

  • G-Marine Service Co Ltd23.6 (+197%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
G-Marine Service Co Ltd123.6+197%21914.04794.3%–
Segment median 8.00%

Verification and monitoring

Who verifies each operator's reports, and which MRV methods its ships use to measure fuel (share of reports).

Verifiers (ships)A · delivery notesB · tank monitoringC · flow metersD · direct
G-Marine Service Co LtdKorean Register (25)0%0%100%0%

G-Marine Service Co Ltd: ships furthest from their peers

Each ship's CO₂ per transport work against the median ship of its type and size band. +100% means the ship emits twice as much CO₂ for the same transport work as a typical ship of its size. Ro-pax ships show passenger figures, with freight underneath.

ShipIMOSegmentCO₂ per transport workSize-band medianvs medianSpeed knCO₂Allowances
VL PIONEER9683661Oil tanker23.6 g CO₂/t·nm10.4+127%14.04,576 t€0
GLOVIS CARDINAL9419759Vehicle carrier90.0 g CO₂/t·nm55.4+63%9.91,456 t€59k
GLOVIS SILVER9775828Vehicle carrier46.6 g CO₂/t·nm35.1+33%13.612,885 t€374k
GLOVIS SOLOMON9445409Vehicle carrier46.6 g CO₂/t·nm35.1+33%13.55,408 t€130k
GLOVIS SPIRIT9674165Vehicle carrier72.4 g CO₂/t·nm55.4+31%15.32,334 t€91k
GLOVIS COMET9122942Vehicle carrier44.6 g CO₂/t·nm35.1+27%13.57,704 t€214k
GLOVIS CHORUS9158604Vehicle carrier53.9 g CO₂/t·nm43.7+24%14.23,146 t€78k
GLOVIS CROWN9706994Vehicle carrier41.8 g CO₂/t·nm35.1+19%13.64,331 t€128k
GLOVIS CHALLENGE9590591Vehicle carrier51.8 g CO₂/t·nm43.7+19%14.17,207 t€216k
GLOVIS SAFETY9798399Vehicle carrier51.7 g CO₂/t·nm43.7+19%16.72,621 t€77k
GLOVIS SIRIUS9749582Vehicle carrier41.6 g CO₂/t·nm35.1+18%15.54,229 t€111k
GLOVIS STELLA9749570Vehicle carrier63.8 g CO₂/t·nm55.4+15%14.424,873 t€703k
GLOVIS SPRING9749594Vehicle carrier38.8 g CO₂/t·nm35.1+10%15.36,810 t€132k
GLOVIS CAPTAIN9707015Vehicle carrier38.7 g CO₂/t·nm35.1+10%13.45,997 t€177k
GLOVIS SUPERIOR9674189Vehicle carrier47.9 g CO₂/t·nm43.7+10%17.25,732 t€165k
GLOVIS SUNLIGHT9798416Vehicle carrier38.4 g CO₂/t·nm35.1+9%15.19,746 t€292k
GLOVIS SPLENDOR9702431Vehicle carrier60.0 g CO₂/t·nm55.4+8%14.59,683 t€261k
GLOVIS COMPANION9460899Vehicle carrier37.1 g CO₂/t·nm35.1+6%16.54,837 t€140k
GLOVIS SUNRISE9702405Vehicle carrier42.5 g CO₂/t·nm43.7−3%16.210,089 t€282k
GLOVIS COSMOS9707027Vehicle carrier42.4 g CO₂/t·nm43.7−3%13.52,151 t€64k
NAVIOS CONSTELLATION9408877Container9.7 g CO₂/t·nm10.3−6%10.31,571 t€60k
GLOVIS SYMPHONY9702429Vehicle carrier49.3 g CO₂/t·nm55.4−11%15.315,704 t€441k
GLOVIS SUPREME9674177Vehicle carrier65.4 g CO₂/t·nm76.1−14%15.69,756 t€277k
HMM SKYLNG9976599Container8.6 g CO₂/t·nm14.4−40%14.621,055 t€654k
HMM OCEAN9976587Container8.0 g CO₂/t·nm14.4−44%14.418,669 t€598k

30 of 25 reports shown. A high ratio can mean an older or faster-sailing ship, short trades with much time manoeuvring, or part-loaded voyages; it marks where to look first.

Notes

  • Companies are ISM companies (Document of Compliance holders) as named in THETIS, usually the ship manager.
  • Groups combine ISM companies matched on name and known ownership. If a company is in the wrong group, tell us at info@navalyze.com.
  • Efficiency figures use full-year reports with fuel; totals include part-year reports.
  • Euro figures use the EUA price set at the top of the page.
  • Verifier names vary by entity and year (for example DNV AS and DNV Hellas); they are rolled up into one brand. A verifier's figures cover the ships whose 2025 report it verified.