GeoGroup
GeoGroup is a South African geotechnical services firm providing drilling, in-situ testing, sonic drilling, and instrumentation monitoring for mining, civil infrastructure, and environmental clients across 22 African countries.
- Company typePrivate
- Founded1989
- HeadquartersGauteng, South Africa
- Headcount251–500
- GTM typeB2B
- OfferingServices
What GeoGroup does
GeoGroup is a South Africa-headquartered provider of specialized geotechnical and exploration services to the mining, civil infrastructure, and environmental industries across the African continent. Founded in 1989 by Dave Rossiter as Geomechanics CC, the group now operates through multiple wholly-owned entities, including Geomechanics (Pty) Ltd, Geomech Africa (Pty) Ltd (a Level 1 B-BBEE contributor), Terra Monitoring (Pty) Ltd, and international operating companies in Botswana and Uganda. Its stated operational footprint spans 22 African countries and is supported by one of the continent's most extensive drilling fleets, comprising 50+ specialized units, including 47 core drill rigs, sonic rigs, and CPTu units.
The group's service portfolio is organized around five integrated core offerings: geotechnical investigations, exploration drilling (capable of depths up to 2,000 metres via wireline and reverse circulation methods), sonic drilling (high-frequency vibratory drilling recovering continuous, undisturbed core in 3-inch and 6-inch diameters), S-CPTu and in-situ testing (including seismic cone penetration testing, electronic vane shear testing, seismic dilatometer, and Lugeon testing), and geotechnical instrumentation supply, installation, and monitoring via the Terra Monitoring sub-brand. Notable technical differentiators include the in-house designed jack-up barge "Jack-Tup" for over-water investigations in rivers, lakes, harbours, and near-shore environments, as well as remote wireless telemetry systems for real-time monitoring of tailings storage facilities and dam infrastructure.
GeoGroup generates revenue through project-based professional services contracts with enterprise and government clients, including major mining houses (TotalEnergies, Rio Tinto, Assmang, Letšeng Diamond Mine, Langer Heinrich Uranium Mine), engineering consultancies (AECOM, Jones & Wagener), and public-sector bodies (Lesotho Highlands Development Authority, Free State Province). Pricing is quote-based and project-specific, with services billed under fixed-price or time-and-materials arrangements on multi-year contracts, supplemented by recurring managed services revenue from instrumentation monitoring. Go-to-market is executed via direct enterprise field sales targeting consulting engineers, mining companies, and infrastructure developers through project-based bidding and relationship-driven business development, with five regional offices in South Africa supporting continental operations.
GeoGroup firmographics
Firmographics- Name
- GeoGroup
- Legal name
- GeoGroup
- Website
- https://geogroup.co.za
- Company type
- Private
- Founded year
- 1989
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- GeoGroup is a South African geotechnical services firm providing drilling, in-situ testing, sonic drilling, and instrumentation monitoring for mining, civil infrastructure, and environmental clients across 22 African countries.
- Ownership category
- akta.pro rank
GeoGroup industry classification
Industry- Product category
- Geotechnical and Exploration Drilling Services
- NAICS
- Support Activities for Mining (2131), Support Activities for Mining (213), Geophysical Surveying and Mapping Services (54136)
- SIC
- Oil & Gas Field Services, Nec (1389), Oil & Gas Field Exploration Services (1382)
- akta.pro primary industry
- Geotechnical Investigation & Site Characterization (Boreholes, In-situ Testing, Lab Testing) (IMAFAOAG)
- akta.pro secondary industries
- Mineral Exploration & Geoscience Services (Geology, Geophysics, Geochemistry, Resource Modeling) (IMAKAKAA), Exploration & Production Drilling Services (RC, Core, Directional, Sonic, Auger) (IMAKAKAB), Geotechnical Instrumentation & Monitoring (Settlement, Inclinometers, Piezometers) (IMAFAOAH), Geotechnical, Hydrogeological & Seismic Engineering (Slope Stability, Ground Support, Dewatering) (IMAKAOAN)
Keywords
Where GeoGroup is headquartered
LocationHeadquarters
- HQ city
- Gauteng
- HQ country
- South Africa
- HQ region
- Africa
Offices6 records
Markets served
GeoGroup business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales, Supply Chain
Revenue model
- Geotechnical Investigation Services: Project-based professional services for subsurface investigations including drilling, in-situ testing, and laboratory sample analysis. Revenue generated through fixed-price contracts or time-and-materials arrangements for civil, mining, and environmental projects.
- Exploration Drilling Services: Mineral exploration drilling services for mining companies, including wireline drilling, reverse circulation drilling, and remote camp operations. Billed per metre drilled or as part of comprehensive exploration contracts.
- Geotechnical Instrumentation Supply and Monitoring: Supply, installation, and ongoing monitoring of geotechnical instrumentation including vibrating wire piezometers, inclinometers, and settlement cells. Includes automated telemetry systems and data monitoring services through Terra Monitoring.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based custom pricing for geotechnical services |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
GeoGroup product offering
Product offeringCore offering
GeoGroup provides specialised subsurface geotechnical and exploration services to civil, mining, and environmental clients across Africa through five integrated offerings: geotechnical site investigations, deep mineral exploration drilling (up to 2,000m), sonic drilling for high-quality undisturbed core recovery, S-CPTu and in-situ testing for soil characterisation, and turnkey geotechnical instrumentation supply, installation, and remote monitoring via its Terra Monitoring arm.
Product overview
GeoGroup is a provider of specialised geotechnical and exploration services across Southern Africa, comprising multiple specialist entities (Geomechanics, Geomech Africa, Terra Monitoring). The portfolio consists of five integrated core service offerings: Geotechnical Investigations (subsurface drilling and testing for civil, mining, and environmental projects), Exploration Drilling (mineral resource drilling up to 2000m depth), Sonic Drilling (high-frequency vibratory drilling for undisturbed core recovery), S-CPTu & In-Situ Testing (cone penetration testing and seismic testing for soil characterisation), and Geotechnical Instrumentation via Terra Monitoring (supply, installation, and monitoring of geotechnical instruments including piezometers and data loggers). These services are offered as an integrated suite enabling turnkey solutions from site investigation to long-term monitoring.
Differentiator
Problem solved
Functional benefit
Brands
- Terra Monitoring: Specialist entity providing supply, installation, and monitoring of geotechnical instrumentation including vibrating wire piezometers, inclinometers, settlement sensors, and remote wireless data loggers
- Geomech Africa
- Geomechanics
Products and services
- Geotechnical Investigations Comprehensive geotechnical and exploration drilling services for civil, mining, and environmental projects, providing subsurface investigations and reliable drilling and in-situ testing data to characterise soil, rock, and groundwater conditions.
- Exploration Drilling Mineral exploration drilling services capable of drilling up to 2,000 metres deep, utilising wireline drilling with triple tube, various core sizes (BQ, NQ, HQ, HQ3, PQ, PQ3), and reverse circulation drilling for the mining industry.
- Sonic Drilling High-frequency vibratory drilling method that reduces drilling time and recovers continuous, high-quality, virtually undisturbed core (3-inch and 6-inch diameter) for complex geotechnical and environmental investigations, particularly on tailings storage facilities.
- S-CPTu & In-Situ Testing Seismic Cone Penetration Testing with pore pressure measurement (S-CPTu), electronic vane shear testing (eVST), seismic dilatometer (S-DMT), and permeability tests including Lugeon testing for detailed geotechnical characterisation of soil strength, stiffness, and liquefaction potential.
- Geotechnical Instrumentation (Terra Monitoring) Turnkey solution for supply, installation, and ongoing monitoring of geotechnical instrumentation including vibrating wire piezometers, inclinometers, settlement cells, and remote wireless data loggers for tailings storage facilities, dams, and civil infrastructure.
Quantifiable outcome
- Zero safety incidents during 120,000 man-hours on TOTAL CPF project
- +3 more outcomes
Companies that use GeoGroup
Customer profileNamed customers9 records
Segments3 records
Ideal customer profiles2 records
GeoGroup technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
GeoGroup partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered strategic and core.
- IMDEXstrategicGeoGroup collaborated with IMDEX and UCP on a 3-day drilling training programme for Honours and Masters Geology students from the University of the Witwatersrand. The course combined technical theory with field immersion, engaging students with active drill rig crews for core recovery and advanced digital logging systems, bridging the gap between tertiary education and real-world fieldwork.
- University of the Witwatersrand (WITS)strategicGeoGroup partnered with WITS geology department and IMDEX to deliver practical drilling training to future geologists, fostering innovation and understanding between geological fields and contracting operations.
- UCPstrategicCollaborative partner in the 3-day drilling training programme alongside GeoGroup and IMDEX, focused on bridging tertiary education and fieldwork for geology students.
- GeosensecoreTerra Monitoring, a specialist arm under the GeoGroup umbrella, has maintained a robust 5-year strategic partnership with industry-leading manufacturer Geosense. Terra Monitoring serves as the preferred supplier and accredited installer of Geosense geotechnical instrumentation products across Southern Africa. This partnership enables direct importation of specialized instrumentation with potential pricing advantages for clients. The collaboration combines global technology with deep local expertise for supply, professional installation, and continuous data monitoring.
Scale indicators6 records
Recent moves11 records
Expansion highlights5 records
GeoGroup competitors and assessment
Company assessmentBroad incumbents
- AECOM (Africa): Global infrastructure consultancy that is both a GeoGroup client (e.g., Distillery Road Bridge project) and competitor when bringing in-house or specifying preferred geotechnical subcontractors. Operates across the same civil infrastructure project base in South Africa.
- Fugro: Dutch-listed global leader in geotechnical, survey, and subsea services with growing African footprint. Directly comparable on CPTu, geophysical survey, and offshore/over-water investigation capabilities that compete with GeoGroup's S-CPTu and jack-up barge offerings.
- WSP Golder (WSP Africa): Global engineering consultancy with extensive African geotechnical practice following the Golder acquisition. Competes for civil infrastructure and mining geotechnical investigation mandates and overlaps significantly with GeoGroup's foundation and dam-site investigation work.
Direct peers
- Major Drilling Group International: TSX-listed mineral drilling contractor with operations across Africa. Directly comparable on reverse circulation and diamond core drilling services for mining majors and offers similar large-fleet mobilization capability for continental exploration programs.
- Boart Longyear: Global drilling services and equipment provider active across Africa in mineral exploration drilling (RC, core, sonic). Directly competes with GeoGroup's exploration drilling offering and has comparable rig fleet scale across multiple African jurisdictions.
- Knight Piésold: Global engineering consulting firm specializing in tailings, dams, and mining infrastructure with a strong South African office. Comparable on geotechnical investigation for tailings storage facilities, dam foundations, and mining clients (overlapping with Langer Heinrich, Letšeng Diamonds).
- SRK Consulting: International mining and geotechnical consultancy with deep Southern African roots. Listed as a GeoGroup project partner on the company website and competes in geotechnical investigation and tailings dam engineering across the same African mining customer base.
- TerraCore International: South Africa-headquartered geotechnical services firm providing CPTu, drilling, and laboratory testing for mining and civil projects. Directly comparable service offering and target market to GeoGroup's in-situ testing and drilling businesses in Southern Africa.
Regional players
- AGE Drilling Services: South African-based drilling contractor offering exploration, geotechnical, and water borehole drilling. Direct regional competitor on smaller-scale drilling tenders across Southern Africa, particularly for mineral exploration clients.
Others
- Geosense: UK-based manufacturer of geotechnical instrumentation (piezometers, inclinometers) and strategic technology partner of GeoGroup's Terra Monitoring division. Comparable through the instrumentation supply channel and a potential upstream/downstream relationship.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
GeoGroup social profiles
Digital presenceGeoGroup financial estimates
Financial estimateRevenue estimate
Valuation estimate
GeoGroup leadership team
Management profileNumber of profiles
Profiles8 records
GeoGroup subsidiaries and ownership
Company hierarchySubsidiaries5 records
GeoGroup funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GeoGroup M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GeoGroup
What does GeoGroup do?
GeoGroup provides specialised subsurface geotechnical and exploration services to civil, mining, and environmental clients across Africa through five integrated offerings: geotechnical site investigations, deep mineral exploration drilling (up to 2,000m), sonic drilling for high-quality undisturbed core recovery, S-CPTu and in-situ testing for soil characterisation, and turnkey geotechnical instrumentation supply, installation, and remote monitoring via its Terra Monitoring arm.
Is GeoGroup a public or private company?
GeoGroup is a private company. It is classified as family owned and is currently operating.
When was GeoGroup founded?
GeoGroup was founded in 1989. It employs 251 to 500 people.
Where is GeoGroup based?
GeoGroup is headquartered in Gauteng, South Africa, in the Africa region.
How does GeoGroup make money?
Three revenue lines are on record. Geotechnical Investigation Services are the primary driver. The others are exploration Drilling Services and geotechnical Instrumentation Supply and Monitoring.
Who are GeoGroup's main competitors?
Broad incumbents on record are AECOM (Africa), Fugro and WSP Golder (WSP Africa). Direct peers are Major Drilling Group International, Boart Longyear, Knight Piésold, SRK Consulting and TerraCore International. AGE Drilling Services is listed as a regional player. Geosense is listed as an others.
Does GeoGroup have an API?
No public API is recorded for GeoGroup.
What industry is GeoGroup in?
GeoGroup's product category is Geotechnical and Exploration Drilling Services. Its primary akta.pro industry code is IMAFAOAG, Geotechnical Investigation & Site Characterization (Boreholes, In-situ Testing, Lab Testing), with a secondary code of IMAKAKAA, Mineral Exploration & Geoscience Services (Geology, Geophysics, Geochemistry, Resource Modeling). Its NAICS code is 2131 and its SIC code is 1389.