Use case · Vendor & expense planning
See every vendor dollar coming. Renewals flagged first.
Cube is expense planning software that plans operating spend at the vendor and contract level. Actuals from your GL, AP, and spend systems land against plan automatically.
The Atlassian annual renewal drove June's SaaS step: +$50K against May. Trace to source →
The problem
Spend creep is where margin dies quietly.
The tools renew themselves, the contractors keep billing, and nobody sees the total until the month closes.
Scattered across the GL
One vendor's spend hides in four accounts and three departments, so nobody sees the whole relationship.
Auto-renewals surface late
The contract renews before anyone reviews it, and the first sign is the invoice landing in AP.
Unplanned tools
Department budgets absorb software nobody planned for, and the variance arrives with no explanation attached.
Contractors with no owner
Agreements roll month to month with no owner, no end date, and no line in the plan.
Spend tracking, the manual way
Exports from GL, AP, and cards, stitched together after the month closes, when the renewal has already landed.
Where one vendor's spend can hide, split across three departments, so nobody sees the whole relationship.
The annual-renewal spike that surfaces as an invoice in AP, after the contract has already renewed.
What replaces it: every vendor planned in one governed model, rolled up to GL account and department on its own.
One connection
How does vendor-level expense planning work?
Cube pulls your GL, AP, and spend systems into one governed model. You plan spend where it is managed, at the vendor, and it rolls up to GL account and department on its own. Cube connects to hundreds of source systems, with pre-built connectors for major platforms.
Cube
Plans spend at the vendor level, rolls it up to GL and department, and lands actuals against plan automatically.
The working view
Your opex plan, with actuals that land themselves.
Fetch vendor-level actuals into the plan, adjust the months ahead, and publish back to the governed model.
| $K | Apr · Actuals | May · Actuals | Jun · Actuals | Jul · Plan | Aug · Plan |
|---|---|---|---|---|---|
| AWS | 388 | 396 | 404 | 398 | 400 |
| Snowflake | 184 | 189 | 195 | 192 | 192 |
| Cloud & infrastructure | 572 | 585 | 599 | 590 | 592 |
| Salesforce | 96 | 96 | 96 | 96 | 96 |
| Datadog | 88 | 92 | 95 | 94 | 95 |
| HubSpot | 74 | 76 | 78 | 78 | 80 |
| Atlassian annual renewal | 84 | 84 | 134 | 94 | 94 |
| SaaS subscriptions | 342 | 348 | 403 | 362 | 365 |
| Talent Partners LLC | 240 | 248 | 255 | 246 | 240 |
| Studio North | 158 | 162 | 170 | 162 | 160 |
| Contractors & services | 398 | 410 | 425 | 408 | 400 |
| Brightline Facilities | 245 | 245 | 245 | 245 | 245 |
| Utilities & services | 46 | 43 | 54 | 48 | 48 |
| Facilities & office | 291 | 288 | 299 | 293 | 293 |
| Operating expenses | 1,603 | 1,631 | 1,726 | 1,653 | 1,650 |
Charted
The renewal spike, impossible to miss.
SaaS spend by month. June's renewals stand out in amber, and the bar drills to the invoices behind it.
Why teams choose Cube
Catch the creep while it is still a decision.
Creep shows up early
Vendor-level plan vs actual lands every month, so overruns appear while you can still renegotiate or cancel.
Plans live where spend lives
You plan the vendor and the contract, and Cube rolls it up to GL account and department on its own.
Every figure opens
Any number traces to the invoices behind it, from category to vendor to transaction.
Decisions replace detective work
Vendor-level plan vs actual lands every month, so the spend review is about what to renegotiate or cancel, not where the money went.
Adoption
Built for finance to run.
Cube deploys alongside the stack you already have, and your team stays in control of the model.
Finance-led setup
Configured by your team, guided by ours.
of sources
Hundreds of source systems, with pre-built connectors for major platforms.
Rip-and-replace
Your ERP stays the system of record.
Onboarding
Hands-on setup with a named contact.
Built for finance to run
Configured by your team, guided by ours. No code, no rip-and-replace, and your ERP stays the system of record.
FP&Agents
Agents that watch vendor spend between reviews.
FP&Agents work inside the governed model, so everything they flag traces to the source.
Flags the creep
The Analyst watches vendor-level actuals against plan and raises the categories drifting before the month closes.
Explains the variance
Ask why SaaS ran $52K over and get the answer with the invoices behind it, traced to the transaction.
Knows the renewal calendar
Contracts coming due surface ahead of the charge, so owners decide before the auto-renew.
Vendor spend doesn't keep your hours
Agents watch actuals against plan between reviews and surface contracts coming due ahead of the charge. Everything they flag traces to the source.
Where you work
One model, on every surface.
Cube delivers the same governed numbers wherever the work happens. Explore the full story on Where You Work.
Cube Workspace
The browser app where finance builds the model, sets permissions, and publishes.
Excel & Google Sheets
Bi-directional sync: fetch live actuals into the sheet, publish plans back.
AI assistants via MCP
Claude, ChatGPT, and Gemini answer from your governed numbers.
Slack & Teams
Ask a question in chat and get the governed figure back, with the trace.
PowerPoint & Google Slides
Decks with figures bound to Cube that refresh to the current numbers.
BI tools
Tableau, Looker, and Power BI read from the same model as the plan.
Where it fits
Four jobs one expense plan covers.
The same governed model feeds each one, and the numbers flow straight into executive reporting.
Annual opex planning
Set next year's vendor baseline from live actuals, then carry it into the annual budget and rolling forecast.
Vendor-level budget vs actual
Each vendor category lands against plan every month, with the variance explained and traceable.
Renewal planning
See every contract coming due this quarter, with spend history sitting beside the decision.
Department accountability
Give each owner their vendors and budgets, with contractor spend planned beside headcount.
See your own categories in Cube.
Bring a recent close and we will walk one spend category from total to vendor to invoice.
Security & governance
Controls your auditor will recognize.
Spend data is sensitive, and Cube treats it that way. The full posture is documented on the security page.
Read-only by default
Source connections pull actuals without write access to your ERP.
Role-based permissions
Owners see their vendors; access is scoped by account and dimension.
Full audit trail
Every change to the plan is logged with who made it and when.
Encryption throughout
Data is encrypted in transit and at rest.
Trace to the transaction
Open the flagged number.
June's SaaS overrun opens to its accounts, then to the invoices behind them. Every finance leader knows the feeling of presenting a number they can't fully explain; this is the end of it.
| Jun 02 | Datadog | annual auto-renewal | NetSuite | $38,400 |
| Jun 09 | Miro | annual auto-renewal | Bill.com | $12,600 |
| Jun 19 | Figma | 11 seats added | Ramp | $9,240 |
| + 15 more transactions · $57,760 | ||||
Walk into every renewal seeing the whole relationship, while the overrun is still a decision.Vendor-level expense planning · Cube
Keep going or book
Already convinced?
Book a demo and see your own opex open from category to vendor to invoice. Still researching expense planning? Everything below covers how it works, why it breaks, and what to look for in software.
The definition
What is expense planning?
Expense planning
Expense planning is the process of budgeting and forecasting operating spend at the level where it is actually managed: the vendor and the contract. A complete expense plan connects vendor-level commitments, such as SaaS subscriptions, cloud usage, and contractor agreements, to GL actuals, so finance can see planned, committed, and actual spend in one governed model and act before variances reach the P&L.
The scope here is operating spend. Equipment and other long-lived purchases belong in capex planning, and the cash timing of both feeds your cash flow forecast.
Where spend is managed
Where spend is reported
The hard part
Why is expense planning difficult?
Six patterns break it in most companies, and each resolves the same way: plan at the vendor, connect the actuals, and let FP&Agents watch the gap.
Spend fragments across the GL
One vendor books to marketing, IT, and COGS. In Cube, every account maps to a vendor dimension once, so the relationship reads as one line.
Auto-renewal blind spots
Renewals surface in AP after they bill. Cube keeps renewal dates in the plan, so the decision comes before the charge.
No owner per vendor
Spend without an owner only grows. Cube assigns each vendor a budget owner and reports the variance by name.
Account plans, vendor decisions
Plans live in GL accounts while decisions happen per contract. Cube plans the contract and rolls up to the account.
Accruals vs cash confusion
A prepaid annual contract distorts monthly views. Cube holds the accrual view and the cash view side by side.
Reforecast latency
By the time creep is visible in a spreadsheet, the quarter is spent. Actuals land against plan automatically, so every reforecast starts current.
Two ways to run it
Manual vs automated expense planning
| Spreadsheet-only process | In Cube | |
|---|---|---|
| Where plans live | ✕Account-level tabs per department, reconciled by hand | ✓One vendor-level plan that rolls up to GL and department |
| How actuals land | ✕Exports pasted in after the close | ✓Automatically, from hundreds of source systems |
| Renewal visibility | ✕A separate tracker someone forgets to update | ✓Renewal dates live in the plan and surface before they bill |
| Variance follow-up | ✕Email threads asking who bought what | ✓Every variance opens to the invoices behind it |
| Audit trail | ✕Version history scattered across shared drives | ✓A governed model with permissions and a full change log |
Approaches
What are the types of expense planning?
Most teams blend these four. Cube runs them in one governed model, so the approach can vary by category.
Account-level planning
Each GL account is budgeted from history. It is simple to run and blind to the contracts underneath.
Vendor-level planning
Each vendor and contract is planned, then rolled up. This is the approach this page describes, and the one that catches creep early.
Zero-based budgeting
Each line is rejustified from zero every cycle, which builds discipline and demands automation to sustain.
Driver-based ratios
Spend is planned as a ratio of headcount or revenue, which suits long horizons. See driver-based planning.
Field guide
Expense planning best practices
Give every vendor one owner
A named owner per vendor turns creep into a conversation instead of a surprise.
Plan the contract, report the account
Build plans at the level where decisions happen and let the rollup handle reporting.
Put renewal dates in the plan
Treat every renewal as a decision with a deadline, and keep it where the numbers live.
Reforecast on live actuals
Refresh the opex outlook every month so the plan reflects what June actually did.
Separate run-rate from one-time
Tag one-time spend so the run-rate stays honest and the forecast stays believable.
Buying guide
What to look for in expense planning software
A vendor dimension on GL actuals
Planning by vendor only works if the actuals carry the vendor too.
Broad source coverage
GL, AP, and spend systems in one model, across hundreds of source systems.
Automatic vendor-level BvA
Plan vs actual by vendor should land every month without exports.
Renewal visibility
Contract dates belong in the planning tool, ahead of the charge.
Drill to the invoice
Any figure should trace to the transaction behind it.
Real governance
Role-based permissions, a full audit trail, and SOC 2 Type II at minimum.
See every vendor dollar before it hits the P&L.
Book a demo and watch a flagged category open from total to vendor to invoice.
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