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# RTK Group: RTK (Formerly Relltek) is a leading global consultancy in IT device lifecycle management. We assist enterprise businesses, IT service providers, and consulting firms in accelerating digital transformation and reducing total cost of ownership (TCO) with comprehensive end-to-end lifecycle management. Our expertise includes addressing complex operational challenges, unlocking the value of legacy IT assets, and facilitating seamless technology refreshes. We focus on reducing data centre carbon emissions and minimising e-waste throughout the asset lifecycle. RTK's enterprise-grade transformation solutions optimise infrastructure and support smooth migrations between on-premise and cloud environments, ensuring effective business outcomes.

## Sitemaps
[XML Sitemap](https://rtk-group.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Strategic Infrastructure Liquidity: Funding Transformation with Existing Infrastructure](https://rtk-group.com/strategic-infrastructure-liquidity-funding-transformation-with-existing-infrastructure/): Enterprise transformation is often treated as a question of new budget. But for many organisations, part of the answer already sits inside the infrastructure estate. In the second article of our Strategic Infrastructure Liquidity series, we explore why CIOs and CFOs should assess existing infrastructure before seeking new transformation funding.
- [Executive Playbook: How Unlocking Trapped Capital in Legacy IT Hardware Accelerates Cloud Migration](https://rtk-group.com/executive-playbook-how-unlocking-trapped-capital-in-legacy-it-hardware-accelerates-cloud-migration/): Legacy infrastructure is not just a technical constraint; it is a strategic barrier. As enterprises accelerate cloud adoption, many are discovering that ageing on-premise hardware and rigid financial models are delaying transformation. This executive playbook explores how forward-thinking IT and finance leaders can unlock hidden value, reduce friction and move confidently towards scalable, future-ready cloud infrastructure.
- [Strategic Infrastructure Liquidity: Managing Hardware Beyond Depreciation](https://rtk-group.com/strategic-infrastructure-liquidity-managing-hardware-beyond-depreciation/): Enterprise infrastructure is often managed as a cost of running IT- procured, depreciated, and replaced according to vendor refresh cycles. Yet much of this infrastructure retains significant financial value. In the first article of our Strategic Infrastructure Liquidity series, we explore how organisations can leverage capital from existing infrastructure beyond traditional depreciation cycles.
- [TPM and the Hidden Cost of Cloud Transformation](https://rtk-group.com/tpm-and-the-hidden-cost-of-cloud-transformation/): Cloud transformation programmes can be slowed and made more costly by ageing infrastructure and support timing. Legacy hardware nearing end of service life, OEM support renewals and forced refresh cycles can increase budget pressure and limit flexibility during migration planning. This article explores how hidden infrastructure costs affect cloud transformation and why support strategy matters for aligning timing, cost and business outcomes.
- [Legacy Compute to AI: How Enterprises Are Navigating the AI Infrastructure Market](https://rtk-group.com/legacy-compute-to-ai-how-enterprises-are-navigating-the-ai-infrastructure-market/): Enterprises are navigating a maturing AI infrastructure market. As high-performance compute platforms move through normal technology cycles, organisations are reassessing how AI capability is accessed, deployed, and governed across on-premise and cloud environments. Rather than chasing the newest architectures, leaders are focusing on availability, cost, and lifecycle management, including responsible decommissioning, to support sustainable AI adoption.
- [Supply Chain Volatility: How the RAM Crisis Is Reshaping Infrastructure Strategy](https://rtk-group.com/supply-chain-volatility-how-the-ram-crisis-is-reshaping-infrastructure-strategy/): RTK dives into the RAM crisis. We explore how high bandwidth memory costs are squeezing transformation plans and why flexible infrastructure strategies can keep AI ambitions on track.
- [Built for Yesterday: The EOSL Infrastructure Slowing Down On-Premise Data Workloads](https://rtk-group.com/built-for-yesterday-the-eosl-infrastructure-slowing-down-on-premise-data-workloads/): EOSL on-premise data workloads, including platforms like Netezza, Oracle and Exadata, are quietly stalling AI, analytics and cloud progress. With the right strategy, modernising these workloads can be seamless and turn end of support into a launchpad rather than a liability.
- [Accelerating Enterprise AI Adoption: Why Cloud Processing Isn’t the Only Path](https://rtk-group.com/accelerating-enterprise-ai-adoption-why-cloud-processing-isnt-the-only-path/): Cloud-first processing is not the endgame. RTK helps you unlock budget from legacy estates, reduce operational costs, and deploy AI-ready on-premises infrastructure where it counts. Start fast, stay compliant, and scale on your terms.
- [End-of-Service-Life (EOSL) Doesn’t Mean End of Value](https://rtk-group.com/eosl-doesnt-mean-end-of-value/): End-of-service-life doesn’t mean end-of-value. Discover how RTK helps enterprise teams support, optimise, and decommission EOSL hardware on their terms, not the OEM’s.
- [The Hidden Cost of Waiting: How Ageing Infrastructure Quietly Kills Cloud Migration](https://rtk-group.com/how-ageing-infrastructure-quietly-kills-cloud-migration/): Delaying cloud migration due to ageing infrastructure? Discover the hidden risks and how to move forward with a smarter, strategy-led approach.
- [RTK Group Strengthens Leadership Team with Appointment of Iain Burton to Drive Data Centre and IT Lifecycle Expansion](https://rtk-group.com/rtk-group-appoints-iain-burton/): RTK Group bolsters its data centre services through the appointment of industry expert Iain Burton, strengthening its leadership team and advancing its IT lifecycle management, maintenance and decommissioning capabilities.
- [Data Centre Exit Strategy: 5 Costly Mistakes to Avoid](https://rtk-group.com/data-centre-exit-strategy-5-costly-mistakes-to-avoid/): Planning to exit your data centre? Avoid these 5 costly mistakes that can derail timelines, inflate costs, and put your data at risk. From OEM lock-in to ESG reporting gaps, learn how to exit smarter with RTK’s modular optimisation approach.
- [Rethinking Infrastructure: RTK vs OEM vs Refurbished IT Reseller- Who’s Really Powering Your Data Centre Evolution?](https://rtk-group.com/dc-infrastructure-rtk-vs-oem-vs-broker/): Rethink how you power your data centre.
This guide compares OEMs, brokers, and RTK’s modular approach to infrastructure, revealing how a tailored optimisation strategy can reduce cost, increase agility, and align with your ESG goals.
- [What ESG Teams Need to Know About ITAD Compliance](https://rtk-group.com/itad-compliance-for-esg-teams/): ITAD is no longer just an IT function, it’s a critical part of ESG strategy. This guide helps sustainability and compliance leaders understand how IT asset disposition impacts data security, environmental reporting, and circular economy goals. Learn what true ITAD compliance looks like, and how RTK’s global, audit-ready approach helps de-risk and optimise asset retirement.
- [RTK’s Guide to Global IT Lifecycle Services](https://rtk-group.com/global-it-lifecycle-services-guide/): Discover how to build a global IT lifecycle strategy; from procurement to ITAD, while avoiding common pitfalls. A must-read for IT and ops leaders.
- [Windows 10 EOL: Why Hardware Strategy Will Define the Outcome](https://rtk-group.com/windows-10-eol-hardware-strategy/): Windows 10 EOL is fast approaching — but with the right hardware strategy, your migration doesn’t need to be disruptive. This article explores how IT leaders can turn the Windows 11 transition into an opportunity to reduce costs, recover value, and drive long-term infrastructure efficiency — all while meeting compliance and sustainability goals.
- [RTK Group Secures Dual Wins at 2025 Storage Awards](https://rtk-group.com/rtk-group-secures-dual-wins-at-2025-storage-awards/): RTK Group wins big at the 2025 Storage Awards, recognising its growing industry impact.
- [Relltek becomes RTK Group](https://rtk-group.com/relltek-becomes-rtk-group/): Relltek undergoes a visual enhancement, marking a strategic evolution.
- [RTK Sustainability Report FY24](https://rtk-group.com/rtk-sustainability-report-fy24/): Discover how Relltek’s 2024 Impact Report highlights real-world results in sustainable IT—from cost savings and reduced e-waste to ESG progress and IT performance gains.
- [The Double Bubble Cost Effect: Challenges of Maintaining Data Centres During Cloud Migration](https://rtk-group.com/the-double-bubble-cost-effect-challenges-of-maintaining-data-centres-during-cloud-migration/): Running legacy data centres alongside cloud platforms during migration can create hidden costs and operational inefficiencies. This article examines the “double-bubble” effect: why it happens, how it inflates TCO, and what enterprise IT leaders can do to streamline transitions and protect transformation value.
- [Cloud Migration Sustainability: Minimising Data Centre e-Waste via Circular Economy Principles](https://rtk-group.com/cloud-migration-sustainability-minimising-data-centre-e-waste-via-circular-economy-principles/): As enterprises increasingly migrate to the cloud and decommission traditional, on-premise data centres, integrating Environmental, Social, and Governance (ESG) objectives into these projects is crucial.

## Pages
- [Blog](https://rtk-group.com/blog/)
- [Customer Stories](https://rtk-group.com/customer-stories/)
- [About Us](https://rtk-group.com/about-us/)
- [Contact](https://rtk-group.com/contact/)
- [Home](https://rtk-group.com/)

## Case studies
- [Transforming Retired Infrastructure into a Zero-Cost Data Centre Exit](https://rtk-group.com/case-study/transforming-retired-infrastructure-into-a-zero-cost-data-centre-exit/): With workloads successfully transitioned to the cloud, the customer needed to securely decommission its remaining on-premises infrastructure and conduct two enterprise data centre exits located in the United States and Germany.
- [Delivering Multi-Site Data Centre Exit and ITAD Across APAC](https://rtk-group.com/case-study/multi-site-data-centre-exit-itad-apac/): This engagement demonstrates how a structured data centre exit and ITAD programme enables enterprises to retire regional infrastructure estates without operational disruption or contractual exposure.
- [Avoiding $7M Cisco Refresh During VMware Renewal to Drive Cloud Migration](https://rtk-group.com/case-study/avoiding-a-7m-cisco-refresh-during-vmware-renewal-to-drive-cloud-migration/): Our client is a US agricultural bank, progressing a major cloud migration while evaluating the future of its on-premises infrastructure estate. Strategic decisions were required regarding renewal exposure, hardware value and long-term investment direction.
- [Monetising Legacy Infrastructure to Unlock $5.1M in Cloud Transformation Capital](https://rtk-group.com/case-study/monetising-legacy-infrastructure-to-unlock-5m-in-cloud-transformation-capital/): This engagement demonstrates how a Deep Dive Assessment (DDA) quantifies residual IT asset value, models timing-based erosion and prevents unnecessary refresh exposure. By combining lifecycle mapping, market valuation and structured exit sequencing, RTK enabled the enterprise to protect capital, avoid reinvestment risk and strengthen its cloud transformation economics.
- [Resolving Book-to-Market Disconnect & Accelerating Cloud Migration](https://rtk-group.com/case-study/turning-depreciated-data-centre-assets-into-realised-market-value/): Our client is an EMEA-based insurance enterprise, planning the exit of an on-premise data centre while maintaining business continuity throughout the transition. The organisation required financial clarity and operational stability to execute a controlled cloud migration.
- [Monetising $1m in AI Infrastructure to Accelerate Migration to a Leading Hyperscaler](https://rtk-group.com/case-study/unlocking-ai-infrastructure-value-to-accelerate-migration/): The client operated a dedicated AI infrastructure environment in South Korea, supporting advanced training and inference workloads.
- [Turning Refresh Risk into a €75M Digital Transformation Programme](https://rtk-group.com/case-study/turning-refresh-risk-into-a-e75m-digital-transformation-programme/): Our client is a leading European telecommunications enterprise, actively exploring the feasibility of moving to cloud as part of a broader digital transformation strategy.
- [Protecting Vulnerable Communities: Transforming a London Charity’s Physical Security with Verkada](https://rtk-group.com/case-study/transforming-physical-security-with-rtk-verkada/): Our client is a leading London-based charity dedicated to transforming the lives of individuals who are experiencing, or at risk of homelessness. Operating across multiple sites, including a flagship resource centre in the heart of central London, with another newly opened facility within close proximity; the organisation delivers a comprehensive range of life-changing services. These include housing support, healthcare, employment pathways, and frontline outreach, all designed to prevent homelessness and support long-term recovery and independence.
- [Unlocking Efficiency and Sustainability: Powering an IT Asset Revolution](https://rtk-group.com/case-study/unlocking-efficiency-and-sustainability-powering-an-it-asset-revolution/): Through this collaboration, the client successfully optimised its IT asset management, procurement, and sustainability efforts. RTK’s tailored solutions not only improved operational efficiency but also reinforced the client’s commitment to security, cost-effectiveness, and ESG principles. By reducing waste, streamlining logistics, and ensuring secure asset handling, RTK enabled the client to focus on delivering cutting-edge technology solutions while maintaining its position as a trusted industry leader.
- [Driving IT Efficiency & ESG Goals Through Strategic Asset Management](https://rtk-group.com/case-study/driving-it-efficiency-esg-goals-through-strategic-asset-management/): Our client is a prominent provider of tax, audit, and advisory services, supporting businesses across a wide range of sectors. Operating from multiple UK locations and supported by a global network spanning over 160 countries, they are committed to delivering services with responsibility, integrity, and sustainability at the core.
- [Optimising IT Lifecycle & Employee Buyback for Insurance Leader](https://rtk-group.com/case-study/optimising-it-lifecycle-employee-buyback-for-insurance-leader/): As part of its recent focus on technology modernisation and sustainability, the insurance specialist required a highly bespoke global IT lifecycle management strategy.
- [Streamlining Global IT for a Multinational Investment Firm](https://rtk-group.com/case-study/streamlining-global-it-for-a-multinational-investment-firm/): Our client is a leading solutions provider for the global alternative investment management industry, this organisation operates across 17 locations worldwide, delivering a comprehensive suite of services designed to mitigate risk, streamline execution, and drive efficiencies across pre- and post-trade operations.

## Services
- [IBM](https://rtk-group.com/service/dc-optimisation/third-party-maintenance/ibm/)
- [Cisco](https://rtk-group.com/service/dc-optimisation/third-party-maintenance/cisco/)
- [HPE](https://rtk-group.com/service/dc-optimisation/third-party-maintenance/hpe/)
- [Dell](https://rtk-group.com/service/dc-optimisation/third-party-maintenance/dell/)
- [End of Migration](https://rtk-group.com/service/end-of-migration/)
- [Deep Dive Assessment](https://rtk-group.com/service/deep-dive-assessment/)
- [Cloud & AI Acceleration Program](https://rtk-group.com/service/cloud-ai-acceleration-program/)
- [Windows 10 EOL](https://rtk-group.com/service/windows-10-eol/)
- [Physical Security](https://rtk-group.com/service/enterprise-software-solutions/physical-security/)
- [Cyber Security Services](https://rtk-group.com/service/enterprise-software-solutions/cybersecurity-services/)
- [Software Optimisation](https://rtk-group.com/service/enterprise-software-solutions/software-optimisation/)
- [IT Sustainability](https://rtk-group.com/service/dc-optimisation/sustainability/)
- [Decommissioning & Erasure](https://rtk-group.com/service/dc-optimisation/dc-decommissioning-erasure/)
- [Multi-Vendor Hardware Support](https://rtk-group.com/service/dc-optimisation/third-party-maintenance/)
- [Enterprise Hardware](https://rtk-group.com/service/dc-optimisation/enterprise-hardware/)
- [Procurement](https://rtk-group.com/service/global-device-solutions/procurement/)
- [Global Storage & Logistics](https://rtk-group.com/service/global-device-solutions/itam-storage-and-logistics/)
- [Configuration & Deployment](https://rtk-group.com/service/global-device-solutions/euc-configuration-deployment/)
- [Asset Disposal & Remarketing](https://rtk-group.com/service/global-device-solutions/itad-and-remarketing/)
- [Software Licensing](https://rtk-group.com/service/enterprise-software-solutions/software-licensing/)
- [Enterprise Software and Security](https://rtk-group.com/service/enterprise-software-solutions/)
- [Global Device Solutions](https://rtk-group.com/service/global-device-solutions/)
- [DC Optimisation](https://rtk-group.com/service/dc-optimisation/)