Trusted by the industry’s leading developers and primary contractors, JF Subtech is a supplier of choice for seabed preparation scopes.

Drawing on our flexible, in-house tooling capability, our expert teams offer an extensive range of services, including: 

• Surveying 
• Route clearance 
• Boulder clearance
• Dredging, excavation and trenching 

Operating on a global scale, we use the latest technology to deliver first-class results for any project scope. 

JF Subtech supports offshore wind farm construction, performing UXO operations across the globe. As a trusted partner through all phases of UXO operations, we provide specialist capabilities from survey and target investigation, through to relocation and disposal using Low Yield, Low Order or High Order techniques.  

We specialise in:  

• Target detection, identification, relocation, removal and disposal  
• Comprehensive range of disposal techniques  
• Noise attenuation services including noise monitoring bubble curtain deployment through sister company, Scantech Offshore 
• Strategic scheduling for maximum optimisation  
• Emergency UXO response - 48hr turnaround (subject to customer licenses)  
• Proactive impact mitigation, fully adhering to environmental requirements

We understand the intricacies of local licensing permissions, environmental and archaeological mitigation protocols – including all necessary communications with maritime traffic coordination, local stakeholders and coastguard agencies.   

JF Subtech utilises seasonal charter agreements to provide ongoing support to the offshore wind industry, offering flexibility, improving efficiency and saving project costs for our customers. 

Our vessel charters can be adapted to suit any project requirements, including:

• Mobilisation of innovative Walk-to-Work platforms 
• Site preparation 
• UXO identification and disposal 
• Air and SAT diving inspection 
• ROV mobilisation and inspection 
• Daughter craft mobilisation 
• IRM