Welcome to


Core Values

Our Mission

To be the agency of choice for clients and contractors, through efficiency, quality, integrity, transparency and education.

Our Vision

To nurture our relationships by sharing our knowledge with contractors and survey companies alike, gained through decades of cumulative industry experience.


  • We are a worldwide alliance, providing local solutions to global requirements

  • Our front-line team remain active in the industry and work alongside our contractors and clients   

  • We are a fully independent company, which ensures our focus is with you rather than with investors

  • We operate a full transparency policy on rates to all parties and apply a fixed modest commission for our services

Client Support

  • 24-hour availability from a qualified, experienced Director

  • Assistance with identifying role requirements during project planning

  • Full logistical support as standard with every contractor supplied

  • Continuous supply guarantee to fill set roles for ongoing projects

Contractor Support

  • Full insurance for contractors, including business travel and personal accident cover

  • Guaranteed payment terms with flexible currency exchange solutions where required

  • Training offered to ensure full familiarity with software upgrades or introduction

  • Free impartial help and advice on contracting and accounts

Why CMSourcing?

Successful companies can find themselves pushing their staff hard during peak workloads. The need for freelance personnel is tempered though, by uncertainty around unknown contractors joining their team. CMSourcing has grown year on year, throughout the industry downturn, by establishing confidence with its clients. The company is an alliance of experienced contractors that has grown through personal knowledge of each other’s skills or through respected introduction. The company does not take on ‘numbers’ through unsolicited CVs and it does not employ ‘Recruitment Specialists’ to handle your enquiry. When you contact the company, you will speak to a Director who, with an extensive background in the industry, can understand your requirements and ensure that you get the right personnel for your project.

About Us 

Dave Cullen
Founder, Managing Director

Marine Geophysicist / Geologist with over 10 years industry experience in geophysical survey sector but also offshore drilling and geotechnical.

Mike McLean
Founder, Operations Director

Survey Engineer with over 10 years industry experience working on a variety of geophysical projects inshore and offshore, as well as survey technician on construction support vessels.

Emma Brown
General Manager

With over 20 years experience covering all aspects of admin and accounts, Emma joined CMSourcing in 2017 and now heads up the entire back end team.


ROV Pilot

Start date: 6TH of October 2021 Location: United Kingdom Duration: 3-4 Weeks

  • Experience with Cougar required. 

Geotechnical Operator

Start date: 23th of October 2021 Location: United Kingdom Duration: 3 Weeks

Experience in Datum 5000 processing required. 

Geophysical Data processor

Start date: 24th / 27th of September 2021 Location: Sweden Duration: 4-6 Weeks

Experience in Sonarwiz/ Montaj required. 

Survey Engineer / Online Geo

Start date: 24th / 27th of September 2021 Location: Sweden Duration: 4-6 Weeks

Experience with  SSS / MAG required. 

Senior Surveyor

Start date: 24th / 27th of September 2021 Location: Sweden Duration: 4-6 Weeks

Experience with Qinsy required. 


Start date: 27th October 2021 Location: Cape Verde Duration: 6 Weeks

Experience with Sonarwiz required. 

ROV Pilot

Start date: 12th October 2021 Location: United Kingdom Duration: 4 Weeks


Start date: Location: Baltimore County Duration: 4 Weeks

Surveyor with US VISA and experience with Qinsy required. 

Online Surveyor

Start date: 27th September 2021 Location: United Kingdom Duration: 7 Weeks

Cable route survey experience with Qinsy.