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Microsoft Licensing & Cost Management
Right-size Microsoft 365 tiers, eliminate shelfware, control Azure cost and get renewal timing under control, managed as one discipline rather than three separate problems.
Licensing and cost, managed as one discipline
Most businesses treat Microsoft licensing and Azure cost as two separate problems, reviewed at different times by different people, if they're reviewed at all. They're the same problem: money committed to Microsoft that isn't matched to what the business actually needs, usually discovered on a renewal invoice instead of before one.
Licence tier decisions get made once, at a point when the business looked different, then renewed on autopilot every year because reassessing feels like more effort than it's worth. Seats stay assigned to people who left months ago, every new starter defaults to whichever tier IT happened to buy first, and Azure spend drifts upward in parallel with nobody accountable for either side of the bill. None of it is dramatic enough to trigger a review on its own, it just compounds quietly until a renewal notice or a budget conversation forces the question, and by then contract terms often limit what can actually change before the next one.
We review Microsoft 365 licensing and Azure cost together, on one timeline, rather than as two separate projects run months apart: which licence tier each user group genuinely needs, where shelfware has accumulated, where Azure resources are sized for a peak that rarely happens, and when your renewal date actually falls, checked early enough that you have real options instead of a deadline.
The output is a specific list of changes, tier by tier and resource by resource, tied to a renewal timeline that tells you when each decision needs to be made. Not a generic report that gets read once, praised, and filed away until the same conversation happens again next year.
Everything you need, managed for you
What does licensing and cost management actually cover?
Four things, reviewed together rather than in isolation. Licence tier rightsizing: matching each user group to the Microsoft 365 tier they actually need, not the one they were defaulted onto. Shelfware elimination: finding and reclaiming licences assigned to nobody, or to a capability nobody uses. Azure resource rightsizing: the infrastructure side of the same discipline, sizing compute and storage to measured usage rather than a guess. And renewal timing: knowing your contract dates and terms well enough in advance that a decision is a choice, not a scramble in the final weeks before auto-renewal.
The reason this sits as its own service rather than living entirely inside our Azure cost optimisation work or our Microsoft 365 service is that licensing and infrastructure cost decisions genuinely interact. A licence tier change can shift what's available for Azure Hybrid Benefit. A renewal deadline can force an Azure rightsizing exercise to happen faster than it otherwise would. Reviewing them on separate schedules, by separate people, is how the interaction gets missed and the saving with it.
Business Premium, E3 or E5 — what actually decides it on cost grounds?
The headcount boundary comes first: Microsoft 365 Business Premium is capped at 300 users, so above that the real choice is between E3 and E5. Below 300 seats, Business Premium is usually the strongest starting point on cost grounds specifically, because it bundles a security stack (device management, Conditional Access, email protection, endpoint detection) that most businesses would otherwise be pricing separately. The cost question isn't which tier has the most features, it's which tier you'd otherwise be assembling piece by piece at a higher combined cost.
The E3-versus-E5 decision is, on cost grounds, mostly a question of what you'd otherwise buy as an add-on and whether anyone will actually operate the extra capability E5 unlocks. A licence generating security signals nobody reviews is shelfware with a compliance story attached to it, regardless of what tier it sits on. That's why a mixed estate, E5 for the roles where the extra controls get used and reviewed, E3 as the floor for everyone else, is very often the cheapest correct answer rather than a compromise. Our Microsoft 365 service covers what each tier actually does in full technical depth; this service is where that decision gets made on cost and licence-count grounds specifically, and where it gets checked again at every renewal rather than left as a one-time choice.
Where does licence shelfware actually come from, and how do you find it?
It accumulates in a small number of predictable, unglamorous ways. Leavers whose account access is removed on their last day, but whose licence subscription is never released, because offboarding and licence reclamation are handled by different people on different checklists. Seats bought for a headcount forecast that didn't materialise, then renewed every year because renewing is less effort than reassessing. Everyone defaulted onto a premium tier when only a subset genuinely need its capabilities. And duplicated function, where a capability already bundled into the licence you hold is quietly re-bought as a separate third-party product because nobody checked what was already included.
Finding it is a data exercise, not a guess: licence assignment reports cross-referenced against active user and sign-in data, service plan usage within each licence (not just whether the licence is assigned, but which parts of it are actually used), and a leaver-reconciliation check against HR records rather than IT's own account list. The output is a specific, named list, not an estimated percentage, because a named list is what actually gets acted on before the next renewal rather than nodded at and filed.
How should a Microsoft licensing renewal actually be handled?
Started well before the renewal date, not in the final weeks. The single most common mistake is treating renewal as an event that happens to you, when in most agreements the practical window for reducing seat count or changing tier only exists at renewal, mid-term reductions are frequently restricted by the contract terms. If the review happens after that window has already passed, the only realistic outcome is renewing what you already have, whether it's still correct or not.
Handled properly, a renewal review starts with the same shelfware and rightsizing work described above, run early enough that its findings can actually change the order, then moves to understanding your specific agreement's terms: what licensing programme you're on, what flexibility it genuinely offers for growth versus reduction, and what's changed in Microsoft's own terms since you last signed, because those terms do move between renewal cycles. We help clients get that picture straight and go into the renewal conversation, with Microsoft directly or through a partner, with a specific, evidenced position rather than a rough sense that something's probably wrong.
Where does Azure resource rightsizing fit into a licensing review?
As the infrastructure half of the same exercise, run on the same visit rather than scheduled separately. The categories are familiar to anyone who's looked at an Azure bill: compute sized for a projected peak rather than measured usage, non-production environments running around the clock for a team that only needs them in office hours, and orphaned resources, disks, IPs and snapshots left behind after something was decommissioned. None of it is exotic, and none of it shows up as a single alarming line, it just accumulates the same way shelfware does.
We keep this section of the review proportionate rather than duplicating a full infrastructure audit here: where an estate needs deep, ongoing Azure cost discipline, tagging, showback, FinOps process, that's the specific focus of our dedicated cost management and Azure optimisation service. This service's job is to make sure the licensing and infrastructure decisions get looked at on the same timeline and by the same reviewer, so a rightsizing opportunity that spans both, like Azure Hybrid Benefit below, doesn't fall through the gap between two separate engagements.
Reserved instances, savings plans and Azure Hybrid Benefit — where do they interact with licensing?
Reservations and savings plans are primarily an infrastructure decision, committing to a level of Azure compute spend in exchange for a discount, and they're covered properly on our cost management page. Azure Hybrid Benefit is the one that genuinely sits on the boundary between licensing and infrastructure cost, and it's the one most often missed precisely because it does. If you already own Windows Server or SQL Server licences with active Software Assurance, or equivalent subscription licence rights, that entitlement can be applied to Azure virtual machines so you pay only the base compute rate rather than compute plus an additional licensing component built into the price.
It has to be applied deliberately, it's a setting on the resource rather than something that happens automatically, and virtual machines migrated to Azure without it keep paying the full rate indefinitely with nobody noticing because the invoice doesn't flag what it should have been. It also needs eligibility tracked and reported on an ongoing basis rather than switched on once and forgotten. This is exactly the kind of saving that a licensing review run separately from an infrastructure review tends to miss, because it requires someone looking at both the licence estate and the Azure estate at the same time to even ask the question.
Where do AVD and Windows 365 licensing decisions fit into this?
Directly, and they're one of the more commonly missed sources of duplicated spend. Access rights for Azure Virtual Desktop are typically already included within Microsoft 365 E3, E5 or Business Premium for licensed users, but the same access rights are also sold as a standalone per-user licence, and it's entirely possible to end up paying for both because the AVD licensing question was never checked against what the Microsoft 365 tier already grants. Windows 365 works differently again: it's sold as its own fixed per-user, per-month Cloud PC licence layered on top of whichever Microsoft 365 tier the user already holds, so the rightsizing question there is Cloud PC size and edition, not whether the access right is already bundled elsewhere.
Where a business is actively evaluating or already running Azure Virtual Desktop or Windows 365, the platform-specific sizing, edition and TCO decisions are covered in full depth on our dedicated Azure Virtual Desktop consultancy and Windows 365 consultancy pages. This service is where we check the licensing side of that picture specifically, that the AVD or Windows 365 access rights being paid for aren't quietly duplicating something already bundled into the Microsoft 365 estate, as part of the same renewal and rightsizing review covering everything else.
What does ongoing licensing and cost management look like, versus a one-off review?
A one-off review is useful and produces real, one-time savings, but the conditions that produced the shelfware and the drift in the first place don't go away because a spreadsheet got cleaned once. New starters still default onto whatever tier is easiest to assign, leavers still get missed by an offboarding process that doesn't talk to licensing, and Azure resources still get provisioned for a projected peak rather than a measured one. Left there, most estates drift most of the way back to where they started within a year or two.
Ongoing management means the same checks run on a cycle rather than once: licence assignment reconciled against active users and leavers on a regular schedule, tier fit revisited as headcount and roles change rather than only at renewal, and renewal dates tracked with enough lead time that the review happens while there are still options on the table. It's a lighter-touch, recurring version of the same work, not a bigger project, and it's the difference between a saving that shows up once and one that stays saved.
The credential behind the recommendation
Ryan Mangan, Systech's founder, is a Microsoft MVP, an award renewed specifically for his work in Azure Virtual Desktop and Windows 365, a Chartered Fellow of the British Computer Society (FBCS), and the author of Mastering Azure Virtual Desktop, published by Packt across two editions.
Licensing and cost decisions get made properly by someone who understands what a tier or a platform actually does operationally, not just what it costs on a price list. The AVD and Windows 365 licensing guidance on this page draws on that same platform depth, so the recommendation on what's genuinely bundled, what's duplicated, and what's worth paying for comes from daily work across the whole Microsoft stack, not from a reseller reading a price sheet.
| Decision factor | Business Premium | E3 | E5 |
|---|---|---|---|
| Seat cap | 300 users maximum | No cap | No cap |
| What's already bundled | Office apps plus a security stack most businesses would otherwise buy separately | Core productivity and baseline security; more advanced controls bought as add-ons | Everything in E3 plus the higher-tier identity, security and compliance controls |
| Where shelfware risk is highest | Low, the bundle is close to what most sub-300-seat estates actually use | Add-ons bought piecemeal are easy to lose track of at renewal | Highest, premium capability that's unused because nobody configured or reviews it |
| Typical rightsizing move we make | Usually the right default under 300 seats | Set as the floor tier for most users in a mixed estate | Reserved for the roles where the extra controls are actually configured and reviewed |
| Renewal question worth asking | Are we still under 300 seats, or about to cross it? | Are the add-ons we bought separately now cheaper bundled into a higher tier? | Is anyone actually reviewing what the extra controls are telling us? |
Questions we hear a lot
What's the difference between this and your Azure cost optimisation service?
Our cost management and Azure optimisation service goes deep on the infrastructure side: reserved instances, savings plans, autoscale, tagging and FinOps discipline for the Azure estate itself. This service sits alongside it and covers the licensing side specifically, tier rightsizing, shelfware, and renewal timing, and makes sure the two are reviewed together rather than on separate schedules, since decisions like Azure Hybrid Benefit sit directly on the boundary between them.
What's the difference between this and your Microsoft 365 service?
Our Microsoft 365 service covers what each tier actually does in full technical depth: governance, Intune, identity, migration and the platform capabilities themselves. This service makes the tier decision specifically on cost and licence-count grounds, then keeps checking it at every renewal and headcount change rather than treating it as a one-time choice made during a migration project.
How do you decide between Business Premium, E3 and E5 on cost grounds?
Headcount sets the first boundary, since Business Premium is capped at 300 users. Below that, we compare the bundled security stack against what you'd otherwise buy separately. Above it, or where E5's extra controls are relevant, the question is whether those controls will actually be configured and reviewed, since unused premium capability is shelfware regardless of which tier it sits on. Most estates end up with a mixed tier assignment rather than one licence for everyone.
When should we start reviewing our Microsoft licensing renewal?
Well before the renewal date, not in the final weeks. Most licensing agreements only allow seat reductions or tier changes at the renewal point itself, so a review that starts after that window has closed can only confirm what you already have rather than change it. Starting early gives you a genuinely evidenced position to negotiate from rather than a rough sense that something's probably wrong.
Can you negotiate directly with Microsoft or our reseller on our behalf?
We help you build the evidenced position, the specific shelfware, rightsizing and tier findings, that a renewal conversation should be based on, and we can be part of that conversation alongside you or your existing reseller. What we won't do is quote a specific discount before we've seen your estate and your agreement, since the terms and flexibility genuinely vary by licensing programme and change between renewal cycles.
Does this cover Azure Virtual Desktop and Windows 365 licensing too?
Yes, checking that AVD or Windows 365 access rights aren't being duplicated against what your Microsoft 365 tier already includes is part of the review. Where you need the platform-specific sizing, edition or TCO decisions for AVD or Windows 365 themselves, those are covered in full depth on our dedicated Azure Virtual Desktop consultancy and Windows 365 consultancy pages.
Is this a one-off review or an ongoing service?
Both are available, but the saving holds up better as an ongoing discipline. A one-off review produces a real, one-time correction; without a recurring check, most estates drift most of the way back towards the same shelfware and mis-sized tiers within a year or two, as new starters, leavers and renewal dates keep moving. An ongoing engagement runs the same checks on a cycle so it stays corrected rather than needing to be rediscovered.
Licensing and cost management is delivered UK-wide from our office in Brough, East Yorkshire, with on-site support across the county where it helps. We work with businesses in Barnsley, Halifax, Doncaster, Wakefield, Harrogate and Huddersfield and 6 more Yorkshire towns and cities, and remotely with clients right across the UK.
Get your licensing and cost reviewed before renewal
Book a free licensing and cost review and we'll show you where you're overpaying on Microsoft 365 tier, shelfware and Azure resources, and exactly what to change before your next renewal locks you in for another year.