Name

Grinding Solutions

Legal name

Grinding Solutions Limited

Website

https://grindingsolutions.com

Company type

Private

Founded year

2003

Operating status

Acquired

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Mineral Processing Consultancy and Laboratory Testing Services

NAICS

Testing Laboratories and Services (541380), Support Activities for Metal Mining (213114), Other Metal Ore Mining (212290)

SIC

Services-Testing Laboratories (8734), Metal Mining (1000)

akta.pro primary industry

Release Testing & Batch Certification (QC) (HLAGADAC)

akta.pro secondary industries

Precious Metals Assaying, Metallurgical Testing & Certification (IMAKAEAK), Health, Safety & Risk Engineering (Process Safety, HAZOP/HAZID, Emergency Systems) (IMAKAOAO)

Keywords

• Mineral processing consulting
• Metallurgical testing services
• Comminution testing
• Flotation testing
• Feasibility study metallurgy

Headquarters

HQ city

Truro

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Technology or R&D

Revenue model

1. Mineral processing consultancy and metallurgical testing services: Project-based professional services across Scoping/PEA, PFS, DFS studies, metallurgical consultancy, on-site support, troubleshooting, product development and market evaluations. Billed per project / engagement.
2. Laboratory testing services: Bench-to-pilot scale metallurgical and mineral processing testing including comminution, grinding media optimisation, classification, flotation, gravity separation, dense media separation, cyanide leaching, biohydrometallurgy, solid-liquid separation and industrial minerals. Each test program is project-scope defined.
3. Investment & marketing consultancy: Advisory consultancy across process, markets and investment for mining and minerals clients.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

GSL provides mineral processing consultancy and bench-to-pilot scale laboratory testing for mining and industrial mineral clients worldwide. Offerings span metallurgical testwork (comminution, grinding media optimisation, classification, flotation, gravity/dense media separation, cyanide leaching, biohydrometallurgy, solid-liquid separation, industrial minerals and pilot-scale testwork), process mineralogy and analysis, project studies (Scoping/PEA, PFS, DFS), and consultancy (investment & marketing, metallurgical, process innovation), including on-site support, troubleshooting, product development and market evaluations.

Differentiator

Problem solved

Functional benefit

Products and services

• Project Studies (Scoping/PEA, PFS, DFS) End-to-end metallurgical study services delivered across the mine value chain at Scoping/Preliminary Economic Assessment, Pre-Feasibility Study and Definitive Feasibility Study stages, supporting mining and exploration clients from initial testwork scoping through to bankable study metallurgical programmes.
• Comminution and Grinding Media Optimisation Testing Bench-to-pilot scale comminution testwork spanning SAG, ball and rod milling through to fine and ultrafine grinding using IsaMill, SMD, Vertimill, HIGmill, HPGR, Magotteaux Mill and Geopyörä technologies, including dedicated grinding media optimisation (e.g., accredited Metso VERTIMILL JarMill testing and SMD/IsaMill ceramic media wear testing) for mining and industrial mineral clients.
• Flotation, Gravity and Dense Media Separation Testing Separation testing services covering froth flotation (including Glencore Technology Jameson L500 cell testwork), gravity separation and dense media separation, used for flowsheet development, optimisation and feasibility study support across metalliferous and industrial mineral projects.
• Cyanide Leaching and Biohydrometallurgy Cyanide leaching and biohydrometallurgy testing services for gold and other metals, including column and bottle roll leaching capabilities, delivered as part of bench-to-pilot scale metallurgical programmes.
• Process Mineralogy and Analytical Services Process mineralogy using QEMScan, INCAMineral, Mineral Liberation Analysis, SEM and XRD, combined with analytical services such as ICP-OES, Leco and Malvern Mastersizer 3000 laser diffraction particle sizing, to characterise ore and feed materials and to inform comminution, flotation and leaching flowsheet design.
• Pilot Scale Testing and Solid-Liquid Separation Pilot scale testwork and solid-liquid separation services for mining and industrial mineral clients, including the pilot-scale gas-fired indirect rotary calciner for drying, calcining up to 1100 °C, sulphide roasting and carbon regeneration, supporting process validation ahead of plant design and commissioning.
• Industrial Minerals Processing Testing Specialist testing services for industrial minerals including kaolin, halloysite, chromite, barite and oil-shale derived products, supporting plant design, recovery improvements and wear reduction programmes for industrial mineral producers.
• Investment and Marketing Consultancy Consultancy across process, markets and investment for mining and minerals clients, including market evaluations and product development support to inform mine-to-market strategy and investment due diligence.
• Process Innovation and Metallurgical Consultancy Technical process consultancy covering process plant design, expansion and optimisation, metallurgical problem-solving and on-site support, troubleshooting, product development and commissioning for mining and industrial mineral clients.
• On-Site Support, Troubleshooting and Commissioning On-site metallurgical support, troubleshooting and plant commissioning services, with senior staff travelling to client sites (for example, industrial minerals plant expansions in Egypt and oil shale work in Australia) to commission plant expansions and provide technical support.
• Ceramic Grinding Media Testing Independent, confidential wear characterisation and grinding efficiency testing services for ceramic grinding media manufacturers and end users, including continuous open-circuit SMD and IsaMill ceramic media wear testing, comparative performance benchmarking and quality control support for new media products.

Quantifiable outcome

• 50% grinding energy saving and lower fines production at a coarser 20 μm regrind target versus a 14 μm target for chalcopyrite, with higher grade and recovery flotation performance.
• +4 more outcomes

Named customers17 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Eight partnerships are on record, tiered flagship, core and minor.

• Alfred H Knight (AHK)flagshipStrategic or Co-development PartnerAHK acquired Grinding Solutions Limited with immediate effect in 2024. GSL has since officially rebranded to Alfred H Knight Mineral Processing UK Limited. The acquisition supports AHK's geo-metallurgical service portfolio growth, builds on the 2022 Asmin Industrial Limitada acquisition, and gives GSL access to AHK's 50-country network.
• Plymouth University (School of Geography, Earth and Environmental Sciences)coreStrategic or Co-development PartnerCollaborative research on the INCAMineral Mineral Liberation Analysis system; GSL supplied mineral samples for a student research project supervised by Drs. Arjan Dijkstra and Colin Wilkins. Findings presented at MEI Flotation '15 in Cape Town on chalcopyrite regrind and flotation performance.
• MagotteauxcoreStrategic or Co-development PartnerCollaborative research on Metso SMD grinding parameters and ceramic media; jointly presented paper at MEI Comminution '16 on 'The effect and control of vortex stability in SMDs with regard to grinding performance'. Magotteaux Mill installed at GSL to reproduce plant pulp chemistry.
• MetsocoreTechnology or IntegrationAccredited Metso VERTIMILL JarMill test programme delivered at GSL with results verified by Metso; SMD signature plot testing services tied to Metso SMD industrial mills.
• Coalition for Eco-Efficient Comminution (CEEC)minorGTM or Marketing PartnerGSL founder Nick Wilshaw is a CEEC Advocate and presented the CEEC Energy Curve poster at IOM3 Mine to Market 2015. CEEC is an independent not-for-profit promoting eco-efficient comminution.
• Minerals Engineering International (MEI)coreGTM or Marketing PartnerLong-standing sponsorship relationship: GSL sponsors MEI Comminution symposia (2014, 2016, 2023) and its staff attends MEI Flotation and Process Mineralogy conferences. Nick Wilshaw was taught mineral processing at CSM by MEI founder Barry Wills.
• Cornish Mining AllianceminorGTM or Marketing PartnerGSL is a member/affiliate of the Cornish Mining Alliance, alongside 10+ Camborne School of Mines-affiliated organisations; represented at MEI Process Mineralogy '17.
• Kings CeramicsminorOEM/ Whitelabel/ Licensing PartnerKings Ceramics (China) visited GSL's new mineral processing laboratory; GSL provides ceramic media testing services and stirred media milling expertise to Kings Ceramics and similar manufacturers.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Bureau Veritas Minerals: Bureau Veritas operates a global minerals and metals testing division (including the legacy Amdel/AcmeLabs heritage) covering geochemistry, mineralogy and metallurgical testwork. Competes with GSL for the same mining feasibility and plant-design engagements across multiple regions.
• ALS Limited: ALS Geochemistry is a major mineral testing and metallurgical services provider with global lab footprint. Overlaps with GSL in comminution, flotation and process mineralogy services for mining and exploration clients.
• SGS Mineral Services: SGS is the world's largest mineral testing and inspection network, offering metallurgical, comminution and process mineralogy services globally. Directly comparable to GSL in core offering and customer base (mining juniors through majors), but at vastly greater scale and with regional lab coverage.
• Intertek Minerals: Intertek's Minerals division delivers assaying, mineralogy and metallurgical testing for mining clients worldwide. Directly comparable service portfolio and customer segments to GSL, with broader geographic reach.
• SRK Consulting: SRK is a global mining consultancy providing geological, mining and metallurgical advisory across the project lifecycle (Scoping through DFS). Comparable to GSL on the metallurgical consultancy side of the business, particularly for PFS/DFS-level studies.

Broad incumbents

• FLSmidth: FLSmidth is a major mining equipment and process technology supplier that operates test facilities for comminution, flotation and mineral processing. Comparable via overlapping comminution and flowsheet-development services, but delivered as part of an OEM equipment portfolio rather than as an independent lab.
• Metso: Metso runs its own VERTIMILL/HIGmill/HPGR testwork programmes and co-validates results with accredited labs like GSL. Comparable as a mineral processing technology and testing provider, though primarily OEM-led rather than independent consultancy.
• Alfred H Knight: GSL's parent company since 2024, AHK is a 5th-generation family-owned inspection, analysis and certification group operating across 50 countries. Comparable as a broad incumbent offering metallurgical and geo-metallurgical services at much larger scale and broader commodity coverage than GSL on its own.
• Hatch: Hatch is a global engineering and project management consultancy with a dedicated minerals and metals practice covering flowsheet development and process plant design. Comparable on metallurgical/process consultancy for mining clients, but as a much larger multi-discipline firm.

Emerging players

• Magotteaux: Magotteaux is a leading grinding media manufacturer that co-developed the Magotteaux Mill grinding-chemistry test installed at GSL and collaborates on SMD/ceramic media research. Comparable as a specialist in grinding media and milling chemistry, with overlapping client base in mining and industrial minerals.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/grinding-solutions-ltd

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Grinding Solutions