2004

• Established in Aberdeen and Copenhagen based on the business concept "Equity Stake in return for Technical Expertise".

2005

• Established London Office 2005.
• Entry to Western Ireland, Frontier Exploration Licences (20% equity) Blocks 35/8,9 and Blocks 44/18, 23, 24, 29, 30.
• UKCS 23rd Round - Blocks 211/18b and 211/8b (20% equity).

2006

• Farmout of Quad 44 W Ireland Frontier License to ExxonMobil.
• AMI over South Porcupine Basin with ExxonMobil and Providence.

• New Frontier Exploration Proposals submitted to PAD.

2007

• UKCS 24th Round - awarded one license Block 21/16b with Elixir Petroleum and DNO.
• Farmout of UKCS Block 211/18b to RWE Dea.
• Farmin to Celtic Sea Licences.
• Drilling and oil discovery in the Celtic Sea.

2008

• Irish Licensing Round - SOSINA is awarded three Licences in the Porcupine Basin.
• Celtic Sea drilling - hydrocarbon presence lower than expected.
• ExxonMobil replaces Providence Resources as operator on Dunquin and is named operator of Drombeg. A 2D seismic acquisition over Drombeg is commenced.
• Chrysaor farms into the North Porcupine Licences.

2009

• The Dunquin partners - among them SOSINA - commit to drilling a well.
• Eni farms into Dunquin. 
• The Spanish Point 3D seismic survey a warded, pursued and completed. 

2010

• The result of the Spanish Point 3D studies advance the discovery towards commercial development.
• Nautical Petroleum farms into the Nemo oil discovery. 

2011

• The Spanish Point partners - among them SOSINA - commit to drilling a well.
• 3D seismic survey completed for FEL 4/08. 
• Repsol farms into Dunquin.
• SOSINA awarded three new licencies in the 2011 Irish Atlantic Margin Round. 

2012

• Identification and study of the Drombeg Cretaceous anomaly.
• Site survey operations at the Spanish point well site. 
• Two changes of operatorships. New operators are Repsol at Newgrange and Chrysaor at Spanish Point.
• Commencement of the Dunquin well activities. 

2013

• Drilling of the Dunquin North exploration well.
• Cairn Energy farms-in and becomes operators of the Spanish point licence. 
• The contract for drilling the Spanish Point appraisal well using the rig Blackford Dolphin signed.
• ABT Oil & Gas farms into the Helvick and Dunmore discoveries. 

2014

• Conversion from LO to FEL for the Drombeg, Spanish Point South and Newgrange licencies offered to SOSINA.
• Seismic surveys of the Drombeg, Spanish Point South and Newgrange licencies done.

2015

• New 3D seismic data confirm the presence of Druid.
• New 3D seismic data indicate the presence of a significant Paleocene deep-water channelized system in the Spanish Point South (later named Ruadhan) area. 
• New 2D seismic data confirm the presence of the large Cretaceous four-way dip closure on the Newgrange prospect.

2016

• Providence Resources/SOSINA and Schlumberger in cooperation completes the analysis of the 3D seismic responses from the Druid and Drombeg prospects.
• The Avalon licence option (LO) is offered to SOSINA/Providence Resources. 
• Providence Resources/SOSINA and Schlumberger in cooperation discloses that the Newgrange prospect comprises a prospective resource potential of c. 13.6 TSCF GIIP or c. 9.2 BBO STOIIP.

2017