About Us

GENERAL SURVEY SERVICES is founded in 2012 with a group of professionals with more than 15 years experience in Bunker Quantity Survey, 221B (Detective Bunkering), On/Off hire bunker & condition, transfers, cargo holds & cargo tank inspections, STS, loss control, gas free, stocks control, analysis, additivations on board and others.

As we work independently we can guarantee to our clients that we always operate in their best interest. We offer experience, flexibility, accuracy and professionalism with the only aim to defend our customer´s rights.

Thanks to our experience and training, the bunker quantity survey, detective bunker and on/off hire condition surveys have no secrets for us any longer. With our work we prevent shortage in bunkering, we assist to Chief Engineer in documentation & operation to make it fast and safe.

We also research as per client request hidden bunker on the vessel (magic pipes, hidden storage, modified sounding pipes reference high & and others).

Our experience in this sector allows us to provide you with multiple services.



Bunker Detective Survey
At the present market price of Fuel Oil and LSMGO, the bunker cost is an important part of Time Charterer expenses.
Bunker Quantity Survey (BQS)
Bunker Quantity Survey (BQS) a is critical part of preventing bunker delivery losses.
Cargo Superintendency &
Ship to Ship Transfer (STS)
With our highly experienced personnel, who served for many years on chemical/oil tankers, we provide to the chemical ind
On / Off Hire Bunker & Condition Survey
During change of owner and/or time charter a condition survey will be required to establish the condition of the vessel
Draft Survey
It is an international commercial custom that traded quantities of bulk cargo such as iron ore, coal, steel scrap, grain
Laboratory Outsourcing
We have contract with all local laboratories in order to offer the best service to our clients. Spot analysis and/or ful
Gas Free Certificates - Port or Dry Dock Entrance
Harbor Master requires gas-free certificate for port or shipyard entrance for any ships carrying dangerous goods as per
Gas Free Certificates - Hot/Cold Work Permits
Before starting any job in a confined space a gas free certificated is needed in order to be sure you are working in a s
Doping/Blending on Board
Sometimes when the cargo is out of specifications, the only way to get a value cargo again is adding an specific additiv