• Engine Start Up OOS Serooskerke

    On 27th November 2018, the engines of OOS Serooskerke were started. The OOS Serooskerke is being built in China Merchants Heavy Industries (Jiangsu). The vessel building contract is effective since 5th August 2016. After 10 months of engineering, the steel was cut on 28th June 2017.

  • Keel Laying of OOS Walcheren

    The OOS Walcheren is the 3rd vessel using the asymmetric brace-less semi-submersible design within the OOS family. The OOS Walcheren has a total of 212 sub blocks which will be fully erected in the dry dock. After the erection is complete, the OOS Walcheren will boast an overall size of 138m in length and 81m in breadth. She will be staying in the dry dock for 8 months, where she will be carefully outfitted and assembled before undocking at the end of July 2019.

  • OOS Energy secures contract for drillship

    OOS Energy an offshore service provider from the Netherlands, part of the OOS Group, is extremely proud to announce that it has secured its first contract in Mexico.

  • Start of Construction for SSCV OOS Walcheren

    The construction of OOS Walcheren (Hull number CMHI 163-2) started in China Merchants Heavy Industry (Jiangsu) on the 24th May 2018. The OOS Walcheren is the second newbuild Semi-Submersible Crane Vessel (SSCV) ordered by OOS International at China Merchants Heavy Industry to date. This vessel is identical to her sister vessel OOS Serooskerke which is currently under construction at China Merchants in Haimen and due for delivery in Mid 2019.

  • Another game changing design launched by OOS international: the SSFF Semi Submersible Fast Floatel

    April 30th 2018 OOS International Group has revealed its new game changing Semi-Submersible Fast Floatel. After two years of engineering together with Leenaars BV and close discussions with oil majors, engineering contractors and evaluating several logistical challenges, OOS proudly announces the finalization of the basic design of the SSFF.

  • Ceremonial Ship Launching for OOS International

    On February 7th, the naming and delivery ceremony for SSAV OOS Tiradentes has taken place at CIMC Raffles in Yantai. The OOS Tiradentes is a deepwater semi-submersible accommodation vessel built to UK-HSE standards and is ABS Habitability compliant. She is also equipped with an advanced telescopic gangway, DP class 3 system for positioning and accommodation capacity for 600 persons on board with residential conditions above 5-star hotel requirements. This unit can reach a speed of over 11 knots and allows DPS-2 operations under the closed bus-tie mode for reduction of energy consumption.

  • New office for OOS International in Macaé

    As of August, 28th, the OOS team in Macaé will be located in the former DOF Subsea office. The country management and staff moved into their new office. On August, 29th, our OOS team in Brazil resumed its services officially in its new premises. Our telephone numbers and email addresses remain unchanged.

  • Steel cutting ceremony SSCV OOS Serooskerke

    OOS International has held an official steel cutting for the hull of its first of two large new build Semi-Submersible Crane Vessels, the OOS Serooskerke. The new build project is a joint venture between OOS International and major partner China Merchants Industry Holdings.

  • Opening New Head Office OOS International

    OOS International is proud of the progress it has made over the last year. The company is growing fast and expanding its team to continuously improve its services and support clients with the highest quality performance. For this reason, OOS International decided to move to a new office in Serooskerke, the beautiful monumental villa Welgelegen dated back to 1894, as our new headquarter and centre for overseas operations in the Netherlands.

  • Continued outstanding performance results in client evaluation

    Continuation of the high quartile performance evaluation by client Petrobras for both units, the OOS Gretha and OOS Prometheus.

  • Winner of Award Maritime and Water Management 2015

    Best in Maritime and Water Management 2015 at the National Business Success Award Show.
    OOS International made it to the last top-ten successful Dutch companies and was one of the highlights of the NBSA event.
    This achievement means a lot to OOS International, confirming we are successful and striving to provide excellent offshore services solutions and offer a turn-key solution to the final customer.

  • Top customer satisfaction rating

    Top customer satisfaction rating, both hotel guests and charterer Contractor Evaluation and Performance Indicator (PMDF, Evaluation Performance Bulletin) OOS International scored on the third quarter of 2015 the highest score of 8.6 (out of 10) for both units OOS Gretha and OOS Prometheus.

  • OOS International obtained the OHSAS 18001 certification

    In the middle of 2015, OOS International obtained the OHSAS 18001 (Occupational Health and Safety Assessment Series) certification.

  • Winner Zeeuwse PioniersPrijs 2014

    OOS International has been recognized as the Pioneer in Zeeland, Province of the Netherlands. This Prize has a great impact in the development and growth in regional scale.

  • OOS International obtained the ISO 9001 and ISO 14001

    At the end of 2014, OOS International obtained the ISO 9001 (Quality Management System Standard) and ISO 14001 (Environmental Management System) certifications.

  • OOS International opened an office in Macaé (Brazil)

    Recognising the importance of local onshore support, OOS International opened an office in Macaé (Brazil) and hired local professionals, integrating cultural awareness and expertise, as full-time employees.

  • OOS Gretha and OOS Prometheus were delivered in Brazil

    In the second quarter of 2014, OOS Gretha and OOS Prometheus were delivered in Brazil and accepted by Petrobras, resulting that their 4-year charters in Brazilian waters actually commenced.

  • OOS International secured two 4+4 years charters with Petrobras-BR

    At the end of 2013, OOS International secured two 4+4 years charters with Petrobras for the delivery of two new build accommodation construction support semisubmersibles. Prior to the delivery of OOS Gretha and OOS Prometheus, CIMC Capital became an important partner of OOS International.

  • Strategic orientation and business development

    Strategic orientation and business development with a focus on tendering for contracts on a global scale. OOS International  management decided to focus on the West African and Brazilian markets, with established client networks in Angola and Brazil.

  • OOS International was established

    OOS International was established in late 2009 with a vision to stay the pioneer within the offshore construction & accommodation industry, with the most modern, safe and reliable floatel fleet in the world to meet increased market demand. The company was formed by seasoned oil & gas professionals with a strong experience in conversion projects and the chartering business.