Project oversight by on-site professionals

Mainstay provides qualified engineer, project and construction management professionals to help you control construction project safety, schedule, and costs.

  • Project and construction management

    Construction for mining projects can be complicated and hard to manage. For a successful outcome, your team needs qualified experts in every discipline. Mainstay specializes in supplying owner's representative services to the mining industry. Having our qualified professionals on-site to represent your interests ensures that projects will be completed safely, on budget, and on time.

  • Construction coordination & field supervision

    Coordination, inspections, and supervision of all employees, contractors, trades, and for client operation and maintenance departments.

  • quality management, assurance & oversight

    Adherence to design, specifications and standards, perform in-process field inspections, witnessing and quality assurance checks.

  • safety management, coordination & oversight

    On site safety presence, compliance monitoring of relevant act, regulations, site policies and initiatives, mentoring and coaching.

  • Engineering

    Mainstay strives to provide quality engineering services that are tailored to suit our client’s needs. We work to develop a team relationship with our clients to develop engineered solutions that are fit-for-purpose, cost effective, and satisfy the operational maintenance requirements of the site.

our community - buffalo river dene nation

Buffalo River (ejeredesche) Dene Nation’s main community is Dillon, located on the banks of Peter Pond Lake (Buffalo Lake) at the mouth of the Dillon River (Buffalo River) in Treaty 10 territory in north-western Saskatchewan. Rich in Denesųłiné history, culture, and language; the majority of BRDN’s 1730+ members maintain a traditional lifestyle, hunting, fishing, and trapping across a vast and beautiful area of many lakes and trees.

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Experienced teams that can scale with your project

Mainstay is experienced at assembling teams with the multidisciplinary experience required to manage any size of capital construction project — and complete them according to your plans. We have worked on large-scale mining projects that range in value from $25M to $1.2B.

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Project management CONSULTING that enhances project Performance

No matter what stage or state your project is in, Mainstay can help guide it to completion. We offer end-to-end project management consulting services — from planning through post-mortem — including project readiness reviews,  risk management plans, productivity analysis, and troubled project recovery.

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Qualified professionals, hand-picked for your project

There’s a lot riding on your project. It’s important that candidates for key positions on your team are well-vetted and well-suited for your project. Mainstay sources, screens, and selects professionals with credentials that are aligned with your specific project needs.

While some projects struggle with retention and worker shortages, Mainstay boasts a 100% contractor completion rate.

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What our clients have to say

  • "I have personally worked for Jeff Spence, he was and still is one of my favorite bosses. He builds a valuable team. He is an amazing leader, he brings his A-Game every time."

    Sherrie Frehlich

  • "Jeff and I have wokred together as owner's representatives on projects for cameco corporation, the keewatinohk converter station in northern manitoba, and teck resources. Jeff is reliable, knowlegeable, and committed to results. he is a leader that adds tremendous value to a project team and has an extensive network of construction management professionals that he can draw on when additional resources are needed."

    Terence Monteith

  • "Jeff Spence is reliable, knowledgeable, and committed to results. He is a leader that adds tremendous value to a project team and has an extensive network of construction management professionals"

    Jamie Kokot

  • "Mainstay has provided project management and construction services at lanigan potash for a number of years. jeff and his team complement our nutrien group and add tremendous value to our project's execution and development stages. team members work independently, professionally, have a high level of competency, and share nutrien's core values of safety and production"

    Phillip Riemer P.Eng.

  • "their team is committed to the safe, successful delivery of complex projects and i would highly recommend exploring what Mainstay can do for you."

    Darren Hill, P.Eng.

Previous Clients

get the experts you need on demand

our way

We succeed when you succeed. By recruiting the best, matching the right talent to your needs, and valuing your input, we provide scalable, versatile solutions. We listen, ask the right questions, and stay adaptable to ensure you get the most value from our partnership.