Cloud Infrastructure - AWS / GCP / Azure Hosting Costs (Expensed as Incurred)
Recording monthly cloud infrastructure costs (compute, storage, data transfer, CDN, database services) as cost of revenues — the primary cost of delivering a SaaS product to customers.
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| Cost of Revenues - Cloud Infrastructure (AWS/GCP/Azure) | Expense (+) | 125,000.00 | - |
| Accounts Payable / Cash - Cloud Provider | Liability (+) / Asset (-) | - | 125,000.00 |
💡 Accountant's Note
Monthly cloud infrastructure costs (EC2/GCE instances, S3/GCS storage, RDS databases, CloudFront CDN, network egress) are operating expenses — specifically cost of revenues (COGS) for a SaaS company because they are directly incurred to deliver the service to customers. Cloud costs are classified as COGS (not R&D) because they support production systems (not development/research). Exception: cloud costs for development and testing environments are R&D expense. Cloud costs have replaced traditional hardware capex — a startup incurs zero upfront capex but significant monthly COGS. Gross margin analysis (Revenue − COGS) is critical for SaaS investors — cloud cost efficiency directly impacts gross margin.
Practitioner & Systems Framework
💻 ERP Architecture
Cloud providers issue monthly invoices with detailed line-item breakdowns. Allocate cloud costs between: (1) COGS (production environment — customer-facing), (2) R&D (development, staging, testing environments), and (3) G&A (internal tools, admin systems). This allocation requires tagging in AWS/GCP/Azure cost management tools by environment and purpose. Many startups skip this allocation and put all cloud costs in one bucket — creating distorted gross margins.
⚠️ Audit Flags
Auditors verify the allocation of cloud costs between COGS and operating expenses. A SaaS company that puts all cloud costs in R&D (instead of partly in COGS) overstates gross margin. Auditors also test for large prepayments (cloud reserved instances or savings plans paid upfront) — these are prepaid assets, not immediate expenses.
📄 Required Documentation
Cloud provider monthly invoices (AWS Cost Explorer, GCP billing export), allocation methodology (production vs. dev/test environments), tagging structure in cloud cost management tools, prepaid reserved instance tracking (if applicable).
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