Welcome To OSI Survery Engineering

Professional Land Surveying, Digital Mapping & Civil Engineering Services Across the UK

State-of-the-art land surveying, digital mapping, and civil engineering solutions for projects of all sizes.

22+

Years of Experience

About OSI Survey Engineering

Trusted UK Surveyors Since 2002

We provide professional land surveying, digital modelling, and civil engineering solutions for clients nationwide. With over two decades of experience, our team delivers accurate, efficient, and tailored survey data to support construction, development, and infrastructure projects across the UK. We combine traditional surveying techniques with advanced digital technology to provide reliable results that meet the highest industry standards.

From initial site assessments and topographical surveys to detailed engineering layouts and 3D digital models, we ensure every client receives comprehensive support at each stage of their project. Our commitment to precision, quality, and customer satisfaction has established OSI as a trusted partner for architects, developers, and construction professionals nationwide.

Who We Are

Experienced & Accredited Survey Engineers

Experts in Survey Engineering since 2002.

Our Services

Comprehensive Surveying & Engineering Solutions

Land Surveying

We provide detailed topographical land surveys using total station and GPS technology to deliver precise, reliable, and cost-effective results for projects of all scales.

3D Laser Scanning

Our advanced robotic laser scanning systems capture millions of measurement points to create highly accurate 3D models and monitor structural progress with exceptional precision.

Site Engineering

We deliver professional site engineering services for housing developments, highways, drainage systems, and large-scale infrastructure, ensuring accurate setting out and on-site coordination.

Measured Building Surveys

We produce detailed measured building surveys using laser scanning and traditional methods, supplying architects and designers with floor plans, elevations, and section drawings for every type of property.

CAD Services

We utilise the latest AutoCAD and survey software to produce 2D and 3D digital terrain models, cut-and-fill reports, and topographical plans that provide clear visual data for analysis and design.

Contact Our Experts

The Perfect Solution for Your Land Survey & Civil Engineering Requirements

Ready to discuss your next project? Contact OSI today to speak with our expert team.

Our Projects

Supporting Construction, Infrastructure & Development Across the UK

Our experience spans a wide range of project types — from residential developments and highways to large-scale infrastructure and commercial construction. We bring precision and reliability to every stage of your project.

Construction Support Surveys

We provide survey control, setting out, and progress monitoring services that ensure construction accuracy and smooth project delivery for contractors and developers.

Topographical & Boundary Surveys

We deliver high-accuracy land and boundary data for planning, design, and development, providing clear site information to aid efficient decision-making.

Digital & 3D Modelling

We create advanced digital mapping and 3D models that support site analysis, design coordination, and construction management for projects of all complexities.

CAD Processing Services

We transform survey data into precise CAD drawings, 3D visuals, and reports, offering clients professional documentation for design, engineering, and record-keeping purposes.

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