and heavy lift vessel at anchor off limassol cyprus . type soci t anonyme ose subc traded as ose subc industry petroleum predecessor acergy s.a. subsea 7 inc founded 2002 headquarters hammersmith london united kingdom area served worldwide key people kristian siem chairman jean cahuzac ceo products offshore engineering construction and project management for the energy industry revenue us 6.297 billion 2013 1 operating income us 573.4 million 2013 1 profit us 439.9 million 2013 1 total assets us 10.357 billion 2013 1 total equity us 6.612 billion 2013 1 number of employees 9 800 2015 subsidiaries seaway heavy lifting shl sapuraacergy sonamet global oceon engineers nigeria limited oceon nigerstar 7 website www.subsea7.com subsea 7 s.a. is a subsea engineering construction and services company serving the offshore energy industry . 2 the company is registered in luxembourg with its headquarters in london in the united kingdom . contents 1 history 2 offices 3 references 4 external links history edit the company was formed by the january 2011 combination of its two predecessor companies acergy s.a. and subsea 7 inc. acergy was founded in 1970 as stolt nielsen seaway a division of the norwegian stolt nielsen group offering divers for the exploration of the north sea . after a series of acquisitions including comex services of france in 1992 and houston texas based ceanic corporation in 1998 the company changed its name to stolt offshore in 2000 . five years later stolt nielsen spun out the company as an independent business listed on the oslo stock exchange and nasdaq . the firm renamed as acergy in march 2006 . subsea 7 inc. was the result of a series of mergers between dsnd offshore as halliburton subsea subsea offshore and rockwater over an extended period with rockwater and subsea merging in 1999 to form halliburton subsea and the resulting company operating as a 50 50 joint venture with dsnd in 2002 with the name subsea 7 . 3 halliburton exited the joint venture in november 2014 . the company was listed on the oslo stock exchange in august 2005 following its restructuring the same year . 3 on june 21 2010 the combination of acergy s.a. and subsea 7 inc. was announced and was completed on january 7 2011 . the new entity took the subsea 7 name while retaining acergy s luxembourg domicile and operational headquarters in london . 4 the chairman and chief executive roles were filled by kristian siem and jean cahuzac who had previously held the same roles at subsea 7 and acergy respectively . offices edit the current world headquarters for subsea 7 are located at 200 hammersmith road london . angola australia brazil canada egypt france ghana indonesia luxembourg malaysia mozambique nigeria norway portugal russia singapore usa united kingdom references edit a b c d e annual report 2013 pdf . subsea 7 . retrieved 7 september 2013 . subsea 7 career & training a b company evolution . subsea 7 website . retrieved 2009 05 13 . bhatia meera ; stigset marianne 21 june 2010 . acergy agrees to acquire subsea 7 for 2.5 billion . bloomberg businessweek . bloomberg . retrieved 7 july 2010 . external links edit official website v t e obx companies of norway aker solutions cermaq dnb dno international fred . olsen energy frontline gjensidige golar lng marine harvest norsk hydro orkla petroleum geo services prosafe renewable energy corporation royal caribbean cruises schibsted seadrill statoil storebrand subsea 7 telenor tgs nopec yara see also companies listed on the oslo stock exchange retrieved from https en.wikipedia.org w index.php title subsea 7 & oldid 731679725 categories engineering companies of norwaycompanies listed on the oslo stock exchangecompanies formerly listed on nasdaqenergy engineering and contractor companies navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages danskdeutsch fran ais norsk bokm l edit links this page was last modified on 26 july 2016 at 20 55 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view