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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.

IMS S.A.
Ships31
CO₂ emitted70 kt−19.9%
Fuel per mile144 kg/nm
Average speed8.5 kn
CO₂ at berth6.7%
Ships burning LNG0
Main segmentOil tanker

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.

Oil tanker

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

  • IMS S.A.15.5 (+95%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
IMS S.A.1715.5+95%1559.31,6776.7%–
Segment median 8.00%

Chemical tanker

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 15.0

  • IMS S.A.22.3 (+48%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
IMS S.A.1422.3+48%1247.49076.8%–
Segment median 15.00%

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
IMS S.A.Bureau Veritas (31)100%0%0%0%

IMS S.A.: 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
MILANO9286059Chemical tanker108 g CO₂/t·nm39.2+176%5.8978 t€27k
YANBU9376816Oil tanker51.6 g CO₂/t·nm27.1+90%9.73,203 t€93k
CAESAR9235696Chemical tanker26.9 g CO₂/t·nm15.2+77%7.72,854 t€79k
PRAGUE9421324Chemical tanker26.3 g CO₂/t·nm15.2+73%12.52,357 t€99k
BRONX9391414Chemical tanker25.6 g CO₂/t·nm15.2+68%7.45,476 t€181k
SUPER G9418121Chemical tanker19.1 g CO₂/t·nm11.5+66%4.53,743 t€104k
SPETSA9337004Oil tanker6.9 g CO₂/t·nm4.6+50%11.023,678 t€0
AFOVOS9428346Chemical tanker11.0 g CO₂/t·nm8.2+34%6.51,251 t€34k
ROMEOS9326897Oil tanker10.2 g CO₂/t·nm8.2+24%6.96,472 t€180k
BOURDA9312846Oil tanker7.6 g CO₂/t·nm6.3+20%9.16,145 t€88k
ORLANDO9420851Chemical tanker15.2 g CO₂/t·nm15.20%9.53,369 t€90k
ST GEORGE9412775Chemical tanker10.7 g CO₂/t·nm11.5−7%12.71,161 t€34k
TATIANA9340128Oil tanker24.3 g CO₂/t·nm27.1−10%9.72,833 t€107k
KINGSTON9420863Oil tanker20.9 g CO₂/t·nm27.1−23%7.73,124 t€104k

30 of 31 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.