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Numen Books · Management-accounting ERP

Know your true product costbefore the month closes.

Product costing and P&L by business unit, on one ledger. AI drafts the entries — your team approves.

Book a demo →See how costing works

A live walkthrough of product cost and BU P&L, built on your own BOM and records.

Aluminum enclosure · A-200Work order WO-1042 · 500 unitsMaterials$18.40Labor$6.10Overhead$4.25Unit cost$28.75Gross margin 29.9%List price $41.00DWG BK-01REV AUNIT COSTLIVE
P&L by business unit and by item
BU · Product
AI agents, one per job, on one ledger
6
To go live — not a months-long migration
< 1 week
Sound familiar?

Your ledger says you made money. Which products actually did?

When costing lives in spreadsheets, the numbers that matter arrive last.

01
Margins show up after close
Unit cost gets rebuilt in a workbook — weeks too late.
02
Inventory never quite ties
Stock and the GL live apart, so every close starts with reconciling.
03
Overhead is a guess
One flat rate makes hard-to-build products look more profitable.
— P&L by product and business unit

Every product's margin. Every business unit's P&L.

Costing runs on your ledger, so P&L by product and BU updates as entries post.

September 2026 · illustrative
  • Materials
  • Labor
  • Overhead
  • Margin
  • Bar = selling price per unit
A-200

Aluminum enclosure

Enclosures
Unit cost
$28.75
Margin %
29.9%
List price $41.00Margin per unit $12.25
A-310

Steel bracket kit

Enclosures
Unit cost
$10.90
Margin %
12.8%
List price $12.50Margin per unit $1.60
C-110

Control panel

Controls
Unit cost
$118.60
Margin %
36.2%
List price $186.00Margin per unit $67.40
✦ A-310 ships the most units but earns the least — 12.8% margin.✦ Every figure drills down to its source. Illustrative example.
— AI-assisted entry

AI drafts the entries. Your team approves.

Upload a document, review the draft, approve.

Agents6
  • Production
  • Accounting & Close
  • Purchasing
ChatPurchasing
Book this supplier invoice for aluminum sheet
Read as $12,400 from the supplier, net 30. Proposing Raw materials inventory ↔ Accounts payable.
CanvasPending
Suggested entry · Raw materials
Total debits
$12,400
Raw materials inventory
Total credits
$12,400
✓ Balanced
✦ Source: supplier invoice PDF · pending queue
— Books agents · 6

One agent for every job, from the shop floor to the statements

Four stages, one agent for each job.

Produces
  • Product cost & margin
  • Closed books
  • Financial statements
— Switching to Books

Go live in a week, not months.

Books becomes your management ledger. Tax stays with your accountant.

Any file
PDFXLSXCSVJPG
Onboarding agent
Maps every account to your chart of accounts
Opening balance sheet
Assets$2.48M
Liabilities + equity$2.48M
✓ Balanced
Live on Books
Within a week — every entry carries product and BU detail
Read the onboarding guide →
— How Books compares

Built for management accounting.

Real costing, without a months-long implementation.

QuickBooks + spreadsheetsTraditional mid-market ERPNumen Books
Built forBookkeeping & tax prepTransactions & complianceCost, margin, performance
Product costingSpreadsheets, after closeBuilt inBuilt in, live
P&L by BU & productSpreadsheetsVaries by vendorBuilt in
Data entryManualManual, rulesAI drafts, you approve
Getting startedAlready in placeMonths, with a partnerUnder a week

Traditional ERP capabilities vary by vendor and edition. QuickBooks is a trademark of Intuit Inc.; Numen is not affiliated with Intuit.

✦ Plan + Books

Books creates. Plan analyzes.

Books' ledger and cost data flow straight into Plan — no exports.

Explore Plan →Plan vs. Books →
Numen Books
  • Ledger of record
  • Product cost
  • BU & product P&L
Numen Plan
  • Budgets
  • Forecasts
  • What-if scenarios

See your real product margins — before next close.

Walk through Books with your own BOMs and cost data.

Book a demo →Talk to us