Chargeback and showback are two related ways to assign the cost of shared technology, such as cloud infrastructure, telecom services and software subscriptions, to the teams, departments or business units that use it. Showback reports each group’s share of the cost so they can see it. Chargeback goes a step further and moves that cost into the group’s budget. Both depend on the same groundwork: knowing what you pay for, who uses it, and how to split what is shared.
At a glance
- Showback reports costs to the teams that drive them; chargeback assigns those costs to their budgets.
- Both need reliable data linking each cost to an owner, such as tags on cloud resources or cost centers on telecom lines.
- Shared costs (networks, support, platform fees) need an agreed method to split them.
- Showback is often the first step; chargeback typically follows once the numbers are trusted.
- Charging costs between legal entities or countries can raise accounting and tax questions, so involve finance and tax advisors.
What problem it solves
When IT pays for every technology service centrally, the people who decide how much to use have little reason to watch the cost. Cloud resources stay running after a project ends, mobile lines stay active after people leave, and SaaS seats accumulate. Finance sees one large IT number and cannot tell which part of the business drives it.
Showback makes cost visible to the people who can change it. Chargeback ties it to their budget, which turns visibility into an incentive. Both also help when leadership asks whether a product, region or customer segment is profitable, because technology cost becomes part of that answer instead of a central overhead.
How it works
Identify the cost and the owner. Each charge needs to be linked to a consumer. In public cloud this usually means cost allocation tagging or separate accounts per team. In telecom it means a telecom inventory that records the cost center for each circuit and line. For SaaS it means knowing who holds which seats, often through a SaaS management platform.
Decide how to split shared costs. Some costs cannot be traced to one team: a shared network, a support contract, a platform fee, or commitment discounts that benefit everyone. Common methods allocate them in proportion to measured direct use, split them evenly, or apply a fixed agreed percentage. Whichever method you choose, write it down so teams can check it.
Report or charge. Showback produces regular reports or dashboards per team. Chargeback adds internal accounting entries that move the cost to each team’s budget, typically monthly. The rates may be actual cost, or a set internal rate per unit (per user, per line, per gigabyte) agreed in advance.
Review and adjust. Expect disputes in the first cycles. Unallocated costs, mistagged resources and changes in team structure all need a clear owner to resolve them.
Tooling for this often comes from cloud cost platforms for public cloud, telecom expense management for carrier services, and SaaS management for subscriptions.
When it matters for buyers
- A new CFO or finance review. Finance often asks which business units drive technology spend.
- Fast-growing cloud spend. Showback is commonly one of the first steps teams take to see who is driving the bill.
- After a merger or reorganization. Costs need to be reassigned to new structures.
- Selecting a TEM, SaaS management or cloud cost tool. Check that it can allocate costs to your cost centers and report in the form finance needs.
- Multiple legal entities. Charging between entities is where accounting and tax advice becomes important.
Questions to ask vendors
- Can your platform allocate costs to our cost centers, and how do we maintain the mapping?
- How does it handle shared costs and commitment discounts?
- What share of our costs typically remains unallocated, and how is it shown?
- Can it produce showback reports and chargeback files in the format our finance system needs?
- Can we set internal unit rates instead of passing through actual cost?
- How are allocation rules versioned when our organization changes?
How it differs from FinOps
Cloud financial management (FinOps) is the wider practice of managing cloud spend jointly across engineering, finance and the business: visibility, optimization, forecasting and governance. Showback and chargeback are specific mechanisms within it (and within TEM for telecom) for assigning cost to owners. You can run showback without a full FinOps practice, but FinOps generally relies on some form of allocation to make teams accountable. Whether the allocated cost is treated as operating or capital expense, covered under CapEx vs OpEx, is a separate accounting decision for your finance team.