Geomatics Engineering · Ghana · Sub-Saharan Africa

Precision
Mapping
Sub-Saharan
Africa

African Surveys & Infrastructure Services Ltd. (ASIS) is a registered Ghanaian company specializing in Geomatics Engineering — delivering world-class geospatial data capture, processing, consulting, and training to organizations across Africa.

4
Core Disciplines
8+
Geospatial Services
6
Industry Sectors
Aerial Imagery Aerial LiDAR Drone Imagery Drone LiDAR Mobile LiDAR Static LiDAR Spatial Analysis CAD Modeling Data Capture Data Processing Consulting Training Aerial Imagery Aerial LiDAR Drone Imagery Drone LiDAR Mobile LiDAR Static LiDAR Spatial Analysis CAD Modeling Data Capture Data Processing Consulting Training
Our Four Pillars

What We Do

01
📡
Data Capture

Utilizing state-of-the-art technology, we ensure precise and comprehensive data capture, covering diverse environments and terrains with unparalleled accuracy.

02
⚙️
Data Processing

Our advanced data processing capabilities transform raw geospatial data into actionable insights, leveraging cutting-edge algorithms and techniques to extract valuable information.

03
🧭
Consulting

Our experienced consultants collaborate closely with clients to understand their specific needs, offering expert guidance to optimize geospatial strategies and select the most cost-effective methodologies.

04
🎓
Training

Whether onsite or virtual, our training programs empower individuals and teams with practical, hands-on experience and best practices in geospatial technology.

Geospatial Solutions

ASIS provides a comprehensive suite of geospatial mapping and inspection services across aerial, drone, and terrestrial platforms — covering everything from raw imagery acquisition through to precision 3D CAD models and spatial datasets.

✈️
Aerial Imagery

Transform aerial photographs into detailed maps and orthomosaics for large-area coverage and planning.

🛩️
Aerial LiDAR

Capture and create perfect Digital Terrain Models (DTM) and Digital Surface Models (DSM) from airborne LiDAR.

🚁
Drone Imagery

Turn drone-captured images into high-resolution maps, orthomosaics, and 3D models with rapid turnaround.

🤖
Drone LiDAR

Convert drone LiDAR data into detailed 3D topographies, terrain models, and point clouds.

🚗
Mobile LiDAR

Process mobile LiDAR data into high-detail point clouds for corridor, road, and 3D infrastructure mapping.

📐
Static LiDAR

Process and align terrestrial laser scanner data for accurate 3D models of structures and landscapes.

🌍
Spatial Analysis

Create insightful spatial datasets and GIS outputs to support project decision-making and management.

🏗️
CAD Modeling

Create precise 3D CAD models from processed data — perfect digital twins for engineering and asset management.

Hydrographic Surveys

Bathymetric surveys of rivers, lakes, reservoirs and coastal waters using autonomous USVs with single and multi-beam echosounders for depth mapping and volume calculations.

🌊
Dredging Support

Pre-dredging baseline surveys, real-time progress monitoring, volume calculations, and post-dredging verification surveys to support dredging operations on inland and coastal water bodies.

💧
Water Quality Monitoring

Autonomous multi-point water quality surveys measuring pH, dissolved oxygen, turbidity, conductivity, temperature and chlorophyll-a — with real-time data transmission and distribution mapping.

What Sets Us Apart

Special Capabilities

These are the areas where ASIS delivers exceptional results — combining advanced technology, experienced specialists, and proven methodologies to give our clients a decisive advantage.

🚁
UAV / Drone Surveys & Photogrammetry

Rapid, cost-effective aerial data collection using professional drones for photogrammetry, orthomosaics, 3D models, and drone LiDAR — covering terrain, infrastructure, and construction sites with centimetre accuracy.

Ideal For
  • Construction monitoring & progress reports
  • Stockpile & volume calculations
  • Site & corridor mapping
  • Environmental & agricultural surveys
🛩️
Aerial LiDAR & Large-Area Mapping

Fixed-wing airborne LiDAR and photogrammetry for large-scale topographic mapping, delivering high-density point clouds, DTMs, DSMs, and orthomosaics across thousands of square kilometres efficiently.

Ideal For
  • National & regional mapping programmes
  • Road & infrastructure corridor surveys
  • Flood risk & watershed modelling
  • Mining & forestry surveys
Hydrographic & Dredging Support

Autonomous USV-based bathymetric surveys, dredging progress monitoring, and water quality assessment — delivering safe, precise data on rivers, lakes, reservoirs, and coastal water bodies.

Dredging Workflow
  • 01Pre-dredge baseline bathymetric survey
  • 02Progress monitoring & volume calculations
  • 03Water quality monitoring (pH, DO, turbidity)
  • 04Post-dredge verification & as-built records
🌍
GIS & Spatial Analysis

Custom GIS database development, spatial modelling, and decision-support systems — transforming raw geospatial data into actionable intelligence for planning, management, and reporting.

Ideal For
  • Urban planning & land use mapping
  • Environmental impact assessments
  • Utility & infrastructure asset management
  • Disaster risk & flood modelling
🗺️
Land Surveys & Cadastral

Professional land boundary surveys, cadastral mapping, and title deed support — securing land rights and resolving boundary disputes with precision and full regulatory compliance across Ghana and sub-Saharan Africa.

Ideal For
  • Land title registration & parcel mapping
  • Boundary demarcation & dispute resolution
  • Subdivision & site development surveys
  • Mining concession & easement surveys

Ready to discuss your project with our specialists?

Speak to an ASIS Specialist →
Industry Applications

Sectors We Serve

ASIS deploys six geospatial platforms across six key industry sectors. Select a sector below to explore which platforms and deliverables we bring to your field.

✈️
Aerial Platform
Fixed-wing / Manned Aircraft
  • Aerial Photogrammetry & Orthomosaics
  • Digital Terrain Models (DTM)
  • Digital Surface Models (DSM)
  • Aerial LiDAR Point Clouds
  • Corridor Mapping (Roads, Pipelines)
  • Flood Risk & Slope Analysis
🚁
UAV / Drone Platform
Photogrammetry & LiDAR
  • High-Resolution Drone Imagery
  • 3D Point Clouds & Mesh Models
  • Drone LiDAR Topography
  • Construction Progress Monitoring
  • Volumetric Calculations
  • Site & Structural Inspection
🚗
Mobile LiDAR
Vehicle-Mounted Scanning
  • Road & Highway Mapping
  • Bridge & Tunnel Assessment
  • Rail Infrastructure Documentation
  • Utility Corridor Mapping
  • Roadside Asset Inventory
  • Pavement Condition Assessment
📐
Static / Terrestrial Laser
Tripod-Based Scanning
  • Detailed Structural 3D Models
  • As-Built Documentation
  • Structural Integrity Assessment
  • Clash Detection
  • Pipeline Routing & Siting
  • Historic Preservation
Hydrographic Survey
Waterway & Seabed
  • River & Canal Bathymetry
  • Bridge Scour Assessment
  • Reservoir Volume Calculation
  • Flood Modelling Support
  • Coastal & Shoreline Mapping
  • Underwater Infrastructure Inspection
🗺️
Land Survey
Ground-Based Traditional Survey
  • Topographic Surveys
  • Control Network Establishment
  • Setting Out & Pegging
  • Road Design Surveys
  • Structural & Deformation Monitoring
  • Engineering Detail Surveys
✈️
Aerial Platform
Fixed-wing / Manned Aircraft
  • Mine Site Aerial Photography
  • Large-Area DTM / DSM
  • Aerial LiDAR Point Clouds
  • Geological Mapping
  • Environmental Impact Mapping
  • Mine Reclamation Planning
🚁
UAV / Drone Platform
Photogrammetry & LiDAR
  • Open Pit Volume Calculations
  • Stockpile Measurement
  • Slope Stability Monitoring
  • Blast Design Support
  • Tailings Pond Monitoring
  • Highwall Assessment
🚗
Mobile LiDAR
Vehicle-Mounted Scanning
  • Haul Road Analysis
  • Mine Infrastructure Mapping
  • Conveyor Belt Monitoring
  • Quarry Volume Calculation
  • Underground Mine Mapping
  • Site Access Road Survey
📐
Static / Terrestrial Laser
Tripod-Based Scanning
  • Tunnel & Shaft Inspection
  • Ore Body Modelling
  • Blast Vibration Monitoring
  • Ventilation System Planning
  • Structural Stability Monitoring
  • Safety Assessment
Hydrographic & USV Surveys
Tailings & Water Body Surveys
  • Tailings Dam Bathymetric Surveys
  • Remaining Capacity & Volume Reports
  • Sedimentation Rate Tracking
  • Freeboard & Dam Safety Monitoring
  • Leak & Contamination Detection
  • EPA Compliance Reporting Data
  • Emergency Preparedness Surveys
  • Dredge Planning & Pump Placement
🗺️
Land Survey
Ground-Based Traditional Survey
  • Mine Boundary Demarcation
  • Mineral Rights Surveys
  • Pit & Waste Dump Surveys
  • Control Network Establishment
  • As-Built Surveys
  • Subsidence Monitoring
✈️
Aerial Platform
Fixed-wing / Manned Aircraft
  • Forest Canopy & Cover Analysis
  • Deforestation Monitoring
  • Aerial LiDAR Vegetation Height Models
  • Biodiversity Hotspot Identification
  • Ecological Corridor Mapping
  • Large-Area Habitat Mapping
🚁
UAV / Drone Platform
Photogrammetry & LiDAR
  • Wildlife Habitat Drone Surveys
  • Wetland & Coastal Mapping
  • Ecosystem Health Assessment
  • Species Distribution Modelling
  • Invasive Species Detection
  • Landscape Change Detection
🚗
Mobile LiDAR
Vehicle-Mounted Scanning
  • Forest Road & Track Inventory
  • Riverbank Stability Assessment
  • Protected Area Boundary Mapping
  • Wildlife Migration Route Mapping
  • Habitat Connectivity Mapping
  • Coastal Erosion Monitoring
📐
Static / Terrestrial Laser
Tripod-Based Scanning
  • Cave & Karst Mapping
  • Archaeological Site Documentation
  • Cultural Heritage Preservation
  • Vegetation Structure Analysis
  • Habitat Restoration Planning
  • Ecosystem Monitoring
Hydrographic Survey
Waterway & Seabed
  • River & Lake Bathymetry
  • Wetland Water Depth Mapping
  • Coastal Seabed Survey
  • Mangrove & Reef Mapping
  • Floodplain Modelling
  • Aquatic Habitat Assessment
🗺️
Land Survey
Ground-Based Traditional Survey
  • Protected Area Boundary Demarcation
  • Park & Reserve Mapping
  • Ground Truth & Validation
  • Trail & Access Route Survey
  • Land Use Change Survey
  • Community Land Boundary Survey
✈️
Aerial Platform
Fixed-wing / Manned Aircraft
  • City-Wide Orthophoto Mapping
  • Urban DTM & DSM
  • Aerial LiDAR Building Heights
  • Land Use & Zoning Mapping
  • Floodplain & Stormwater Mapping
  • Population Density Mapping
🚁
UAV / Drone Platform
Photogrammetry & LiDAR
  • Neighbourhood 3D Models
  • Infrastructure Condition Surveys
  • Public Space & Park Mapping
  • Emergency Response Planning
  • Construction Monitoring
  • Heritage Site Documentation
🚗
Mobile LiDAR
Vehicle-Mounted Scanning
  • Street-Level Mapping
  • Road Network & Pavement Survey
  • Sidewalk & Utility Inventory
  • Urban Tree Inventory
  • Streetlight Inventory
  • Transportation Planning
📐
Static / Terrestrial Laser
Tripod-Based Scanning
  • Historical Building Documentation
  • Facility Management Models
  • Infrastructure As-Built Records
  • Disaster Preparedness Mapping
  • Public Space 3D Models
  • Utilities Management
Hydrographic Survey
Waterway & Seabed
  • Urban River & Canal Bathymetry
  • Stormwater Drain Mapping
  • Flood Risk Modelling
  • Bridge Scour Assessment
  • Harbour & Port Surveys
  • Coastal Infrastructure Inspection
🗺️
Land Survey
Ground-Based Traditional Survey
  • Cadastral & Parcel Surveys
  • Land Title & Registration Support
  • Road Alignment Surveys
  • Subdivision Surveys
  • Setting Out for Construction
  • Boundary Dispute Resolution
✈️
Aerial Platform
Fixed-wing / Manned Aircraft
  • Power Line Corridor Mapping
  • Transmission Line Routing
  • Solar & Wind Site Assessment
  • Vegetation Encroachment Analysis
  • Electrical Grid Planning
  • Substation Siting
🚁
UAV / Drone Platform
Photogrammetry & LiDAR
  • Power Line Inspection
  • Solar Farm Layout & Monitoring
  • Wind Turbine Site Selection
  • Fire Risk Assessment
  • Vegetation Management
  • Tower & Pylon Inspection
🚗
Mobile LiDAR
Vehicle-Mounted Scanning
  • Power Line Clearance Monitoring
  • Transmission Line Monitoring
  • Power Pole Inventory
  • Transformer Location Mapping
  • Access Road Surveys
  • Substation Inspection
📐
Static / Terrestrial Laser
Tripod-Based Scanning
  • Plant Facility Documentation
  • Asset Management Models
  • Substation Design Support
  • Power Plant Inspection
  • Facility Expansion Planning
  • Wind Farm Assessment
Hydrographic Survey
Waterway & Seabed
  • Hydropower Dam Bathymetry
  • Reservoir Sedimentation Survey
  • Underwater Cable Route Survey
  • Offshore Wind Foundation Survey
  • River Intake Mapping
  • Tidal & Current Analysis
🗺️
Land Survey
Ground-Based Traditional Survey
  • Transmission Line Route Survey
  • Substation Site Survey
  • Easement & Wayleave Surveys
  • Solar & Wind Farm Layout
  • Boundary & Land Rights Survey
  • Construction Setting Out
✈️
Aerial Platform
Fixed-wing / Manned Aircraft
  • Watershed & Catchment Mapping
  • Flood Risk & Floodplain Mapping
  • Aerial LiDAR Hydrological Analysis
  • Water Quality Monitoring (Multispectral)
  • Dam & Reservoir Area Mapping
  • Wetland Mapping
🚁
UAV / Drone Platform
Photogrammetry & LiDAR
  • Water Treatment Plant Inspection
  • Pipeline & Canal Monitoring
  • Drainage System Assessment
  • Stormwater Infrastructure Mapping
  • Dam Safety Inspection
  • Sewer Network Monitoring
🚗
Mobile LiDAR
Vehicle-Mounted Scanning
  • Water Pipeline Route Mapping
  • Sewer Network Documentation
  • Stormwater Drainage Mapping
  • Water Treatment Plant Mapping
  • Canal Measurement
  • Drainage System Analysis
📐
Static / Terrestrial Laser
Tripod-Based Scanning
  • Reservoir & Dam 3D Inspection
  • Water Treatment Facility Models
  • Pump Station Documentation
  • Structural Assessment of Water Assets
  • Coastal Infrastructure Inspection
  • Wetland Mapping
Hydrographic Survey
Waterway & Seabed
  • River & Lake Bathymetric Surveys
  • Reservoir Volume & Sedimentation
  • Dam Safety & Scour Assessment
  • Water Intake & Outfall Surveys
  • Canal & Irrigation System Mapping
  • Drinking Water Source Protection
🗺️
Land Survey
Ground-Based Traditional Survey
  • Water Pipeline Route Survey
  • Sewer & Drainage Route Survey
  • Water Source Boundary Survey
  • Irrigation Scheme Layout
  • Borehole & Well Location Survey
  • Sanitation Facility Site Survey
V
Our Vision
Leading Brand in Sub-Saharan Africa

To establish a surveying and mapping services company brand that will be the top choice for both individual and corporate clients in sub-Saharan Africa.

M
Our Mission
Professional. Trusted. On Time.

To offer professional and trusted surveying and mapping services within agreed timelines and budgets, assisting organizations and individuals in effectively monitoring and managing their facilities or properties.

V
Our Values
People, Quality & Environment

Our clients, employees, and the environment are at the heart of everything we do. We deliver quality services with the highest degree of accuracy, professionalism, and a commitment to employee growth and development.

Start Your Project

Tell us about your geospatial requirements and our expert team will respond within one business day with the right methodology for your project.

📍
Headquarters
Accra, Ghana
✉️
Email
info@africasurveyimaging.com
🌐
Region
Sub-Saharan Africa