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End Use

Building & Structural

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End Use

Industrial & Chemical

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Critical Minerals Category

Base metals

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Critical Minerals Category

Industrial minerals / non-metals

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Critical Minerals Category

Iron & ferro-alloys metals

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Critical Minerals Category

Other metals

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Critical Minerals Category

Precious metals

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Critical Minerals Category

Rare earth elements & special metals

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Shaping critical mineral supply chains for a resilient future​

About Us

We transform opaque market signals into clear, actionable insight. Leveraging advanced analytics and first-hand industry data, we map and analyse critical mineral supply chains end to end, from upstream mining assets to downstream processors. Our expertise spans gallium, copper, nickel, lithium, and other key critical minerals, enabling us to quantify true demand, stress-test price scenarios, and identify real-time risks. Named after Rovijokfossen, a waterfall in Lapland, Rovjok reflects the flow and power of these complex supply chains. We bring core expertise to every engagement, helping clients secure feedstock, funding, and resilient partnerships.

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Named after Rovijokfossen, a waterfall in Lapland, Rovjok reflects the flow and power critical mineral supply chains.

We help you capture mining and metal market opportunities

Our consultants help stakeholders from across the raw materials value chain capture market opportunities, identify and mitigate risks, and validate and test investment assumptions.

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Critical mineral supply chain due diligence and analysis

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Market analysis for key critical minerals, including copper and nickel

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Research in critical minerals and their value chains

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Critical minerals strategy support

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Mining and metals investment advisory and support

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Metals value chain optimisation

critical mineral supply chain modelling

Development of bespoke mining and metals operational and economic models (including data engineering and data modelling support)

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Support to understand optionality of mining, midstream and later processing

Our team

We are a growing, diverse, and multilingual group of industry and technical experts with extensive experience in both operational and commercial roles across the critical minerals value chain. Our team includes mine analysts, data scientists, engineers, geologists, business intelligence specialists, and software developers – all driven by curiosity and guided by innovation. Based in Helsinki, Finland, with a satellite office in London, we work across multiple time zones, covering South America, Europe, and Australia to support the global nature of the mining industry.

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Strengthen your critical minerals supply chain today.

Talk to an expert and get your own resilience action plan.

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Critical mineral supply for a sustainable future

We help build reliable critical mineral supply chains essential for the global transition to clean energy.

To decarbonise effectively, society must cut its reliance on fossil fuels and increase access to responsibly sourced minerals. Battery, automotive, and energy industries, along with regulators, are demanding sustainable and transparent supply chains.

Yet critical mineral supply chains remain opaque and complex. Rising demand from the green energy transition, combined with supply chain disruptions and the push for recycling, is adding further strain.

By tracing, modelling, and optimising these supply chains, we support the shift toward a low and ultimately zero carbon future.

wind turbines in the field, critical mineral supply for energy transition

Total battery demand from electric vehicles alone will equate to 909 GWh globally . (S&P Jan 24, 2022)

The value of metals and minerals trading exceeded $2tn in 2020, and the global trade in key clean-energy metals (Li, Co, Ni, Cu) will be worth at least $366bn by 2025.

Securing supply of these critical raw materials is now a geopolitical issue.

Partner network

We believe in collaboration and co-creation. Rovjok’s network stretches from business intelligence hubs to critical minerals initiatives and satellite data organisations. We also work with academia and academic spinoffs to offer cutting-edge solutions.

We offer expert support for critical mineral supply challenges

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Critical Minerals Data Procurement Advisory

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Critical Minerals Strategy

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Explore our most recent articles

The Pinjarra Gallium Plant (operating 1989-1991, 1996-1997): Lessons for today’s critical minerals landscape

Jan 29, 2025 - Tim Rose

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What if Russia imposes nickel export restrictions?

The implications of a Russian nickel export ban. Should Western nations be nervous?

Oct 18, 2024 - Simon Zieleniewski, Tim Rose

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Analysing changes to global nickel flows – the rise of Indonesia

Indonesia's growing control of nickel supply chains and the global repercussions

Sep 30, 2024 - Simon Zieleniewski

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ammonium nitrate in mining

Ammonium nitrate in the mining industry – changes since the Russia-Ukraine conflict

War and geopolitics are driving changes to ammonium nitrate trade flows and prices.

Mar 12, 2024 - Simon Zieleniewski

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panama canal, critical minerals supply

Drought in the Panama Canal: Unearthing the Hidden Impact on the Mining Supply Chain

How the Panama Canal Drought Impacts the Mining Supply Chain

Dec 12, 2023 - Scott Thomsett

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copper-flotation-cell

Soft sensors for process control improvements

Reducing downtime and improving grade tracking accuracy in copper flotation using virtual sensors

Jun 15, 2023 - Simon Zieleniewski

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