Numa, the world’s leading drilling technology provider, is proud to announce the addition of Stratum Drilling Solutions as its new distributor in the United Kingdom. Stratum offers a single source for drilling products and services customers should expect.

Wayne Allen & Andrew Robertson

Stratum Drilling Solutions is led by two industry veterans, Andrew Robertson and Wayne Allen. Both provide a wealth of drilling experience and well known reputations for supplying drillers with the right solutions for demanding needs. Along with being a single-source solution for drilling products Stratum offers rentals, site support and insightful guidance. They are focused on working closely with their clients to ensure the products being used best suit their application and conditions.

Stratum is based in Scotland and serves customers throughout the UK. In addition to Numa DTH hammers and bits, Stratum offers a wide range of equipment, from fittings to drill rigs and all the consumables in between.  They also offer a full range of repair and service for consumables and drilling rigs. These services can be carried out at Stratum’s facility or on-site depending on the circumstances.

“Having Stratum as a partner in the UK not only provides Numa’s market-leading products for the region, but the on-site support and guidance to give drillers confidence with each purchase,” said Ralph Leonard, President of Numa. “The company has deep experience with DTH projects around the world which makes them a great resource from the initial enquiry to project completion”.

Andrew Robertson, Director of Stratum Drilling Solutions commented, “When we looked to align ourselves with partners, we sought a company that shares our desire for quality in both products and support. We found that with Numa and are proud to provide their industry leading DTH hammers and bits as part of our solution offerings.”



Numa provides the world’s leading drilling technology with over 100 DTH Hammer and Bit products serving 11 different industries. Our products are capable of drilling vertical, horizontal, and reverse circulation holes from 3½ to 50½ inches (89 – 1283 mm) in diameter in hard rock and unconsolidated formations. With customers located in 105+ countries, we have built our customer-centric reputation on providing the highest value in products, performance and personal service available in the rock drilling industry.