About GMS

Since 2022, GUIDELINE Mining Supplies has rapidly grown into a trusted partner in mining equipment and supplies across Africa.

Our Story

Founded with a vision to serve Africa's growing mining sector, GUIDELINE Mining Supplies began with a simple mission: to provide mining operations with reliable equipment and supplies, backed by genuine expertise and exceptional service.

Under the leadership of our co-founders Dr. Theopholus Sai and Mr. Greg Parbey, GMS has grown into one of the region's most trusted mining supply companies, serving clients across Ghana, West Africa, and beyond.

Our success is built on deep industry knowledge, strong partnerships with leading manufacturers, and an unwavering commitment to our customers' success. We understand that in mining, every minute of downtime counts – that's why we go the extra mile to ensure you have what you need, when you need it.

Key Milestones

Key milestones in the GUIDELINE Mining Supplies story

2022

Company Founded

GMS established by Dr. Theopholus Sai and Mr. Greg Parbey with a vision to serve Africa's mining sector.

2022

First Major Partnerships

Secured partnerships with leading mining companies including Newmont Corporation.

2023

Product Range Expansion

Expanded inventory to over 5,000 products across all major equipment categories.

2023

Accra Head Office

Opened head office at City Galleria Mall, Spintex Road, Accra.

2024

Regional Growth

Extended services across West Africa with growing client base in Ghana and beyond.

Our Values

The principles that guide everything we do

Integrity

We conduct business with honesty and transparency, building trust with every interaction.

Safety

Safety is non-negotiable. We only supply products that meet the highest safety standards.

Quality

We partner with industry-leading manufacturers to ensure consistent product quality.

Service Excellence

Going above and beyond for our customers is embedded in our culture.

Our Founders

Meet the visionary leaders behind GMS

Dr. Theopholus Sai

Dr. Theopholus Sai

Co-Founder & Director

With extensive experience in the mining industry, Dr. Sai co-founded GMS with a vision to provide reliable supply solutions to mining operations across Africa and beyond.

Mr. Greg Parbey

Mr. Greg Parbey

Co-Founder & Director

Mr. Parbey brings deep industry knowledge to GMS, overseeing strategic partnerships and ensuring the highest standards of service delivery to our clients.

Quality & Certifications

Our commitment to quality, safety, and environmental responsibility is backed by internationally recognized certifications and rigorous internal standards.

ISO 9001:2015
Quality Management Systems
ISO 45001:2018
Occupational Health & Safety
ISO 14001:2015
Environmental Management
AS/NZS 4801
OH&S Management Systems

HSE Commitment

At GUIDELINE Mining Supplies, Health, Safety, and Environment are non-negotiable. We are committed to zero harm, supplying only products that meet the highest safety standards, and continuously improving our environmental performance. Our HSE management system is integrated into every aspect of our operations, from warehousing to delivery.

Zero Harm PolicyEnvironmental ResponsibilityContinuous Improvement

Partner with a Team You Can Trust

Join mining companies across Africa who rely on GMS for their equipment and supply needs.