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Business Details
Trusted Security Fencing in Darlington
As a seasoned security fencing contractor with over three decades of experience, Rennyco Security Fencing specialises in supplying and installing industrial and commercial fencing solutions across the UK. Founded in the North of England, our team brings deep expertise in designing security systems that protect people, sites, and equipment while adhering to strict industry standards. We pride ourselves on technical excellence, having worked as both main and subcontractors on high-profile projects for clients like Nissan, BAE Systems, and local councils.

Our partnership with Betafence Pro-Net enables us to offer a 10-year BEKassure guarantee, reflecting our commitment to quality. With a heritage rooted in engineering precision and customer-focused service, we deliver tailored security solutions to meet diverse client needs.
Services
Security Fencing Gates Installation Barriers & Bollards Temporary Fencing Access Control Palisade Fencing Timber Fencing GRP Fencing Ball Stop Netting Spectator Railings
Highlights and features
  • We have over 30 years of experience supplying and installing security fencing.
  • We work with major clients including Nissan, BAE Systems, and Hitachi Rail.
  • We offer a 10-year BEKassure guarantee on Betafence installations.
  • Our team meets exacting technical competence assessments for quality assurance.
  • We provide tailored security solutions for industrial, commercial, and public sector sites.
Associations and certifications
  • Betafence Pro-Net
Services
Security Fencing
Our security fencing solutions provide robust perimeter protection for industrial, commercial, and public sector sites. Using materials like steel palisade and Britguard mesh, we create deterrents against unauthorised access. Each installation meets industry standards for durability and compliance, ensuring long-term safety for premises ranging from airports to schools.
Gates Installation
We design and install automated and manual gates tailored to site requirements. Options include electric sliding gates for rapid vehicle access and swing gates for cost-effective entry solutions. All gate systems integrate seamlessly with fencing and access control technologies to enhance security while maintaining operational efficiency.
Barriers & Bollards
Our barriers and bollards manage vehicle and pedestrian traffic to prevent accidents. Fixed installations protect infrastructure while temporary systems suit construction sites. Designed for impact resistance, these solutions reduce collision risks in high-traffic areas like car parks and roadside crossings.
Temporary Fencing
Designed for short-term security needs, our temporary fencing offers rapid deployment for events, construction sites, and public gatherings. Modular panels ensure easy installation and adaptability to irregular terrain, providing safe demarcation without permanent infrastructure.
Access Control
We integrate access control technologies with physical barriers to manage site entry. Solutions include speed gates for controlled pedestrian flow and rising arm barriers for vehicle checkpoints. Systems are customised to balance security with user convenience for locations like office parks and stadiums.
People
Mark Rennison
Owner
Mark Rennison, a former British Rallycross Champion, founded Rennyco Security Fencing with a focus on precision engineering and customer service. His leadership ensures technical excellence and industry compliance across all fencing and access control projects.
Questions
What areas do you serve?
We provide fencing and access control solutions across the UK, with particular expertise in the North East including Darlington, Durham, and Newcastle.
Do you offer temporary fencing solutions?
Yes, we supply, deliver, and install temporary fencing systems suitable for construction sites, events, and short-term security needs.
Are your fencing systems compliant with safety standards?
All installations meet industry regulations, and our Betafence Pro-Net partnership provides a 10-year BEKassure guarantee for certified products.
Can gates be integrated with existing fencing?
We design gates to match or complement existing fencing systems, ensuring cohesive security and aesthetic continuity.
What types of commercial clients do you work with?
We service schools, healthcare facilities, airports, retail parks, and industrial estates, providing tailored security solutions for each sector.
Do you install both manual and automated gates?
Yes, we install manual swing gates and automated systems including electric sliding gates with access control integration.