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Tightly vs NetSuite

The plan that runs on top of your ERP.

NetSuite is the system of record for transactions. Orders, inventory, GL. It's not a planning tool, and the NetSuite Demand Planning module is well known for being thin where retail planning gets specific. Tightly is a purpose-built planning layer that runs on top of NetSuite (or any ERP) and feeds approved POs straight back.

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Capability
Tightly
NetSuite
System of record (transactions, GL, orders)
Connects to your ERP; doesn't replace it
Strong ERP across financials and operations
Merchandise financial planning
Purpose-built buy plan, by category, channel, month
Demand Planning module; not retail-specific MFP
Open-to-buy
Live OTB reconciled across forecast, plan and receipts
Not a first-class capability
Per-SKU × channel demand forecast
Proprietary ML with confidence labels
Statistical forecasts on historical demand
Cold-start for new styles
Baselined on 2–3 real comparable products
No, by design. Needs sales history
Editable planning grid
Live, intent-not-formula, with full lineage
Records management, not a planning grid
Markdown and pricing
Per-variant elasticity, in the same plan
Pricing rules, not elasticity-led
Time to value
Live in weeks
Implementations measured in quarters
Writes POs back to your ERP
Approved POs land in NetSuite (or Dynamics, BigCommerce, etc.)
ERP is the destination
Why teams switch

Keep what works. Lose what breaks.

01

ERP stays the system of record

Tightly doesn't replace NetSuite. It runs the merchandise plan on top of it, then pushes approved POs back so the ERP stays the single source for transactions.

02

Retail-specific planning

The buy plan, OTB, assortment, allocation, replenishment, in-season and markdown. Built for the way a retail or DTC merchant actually plans, not the generic demand-planning module.

03

Live in weeks

Tightly is configurable on day one, so the planning team is using it inside weeks. Not after a multi-quarter consulting engagement.

It shows up in the numbers.

“We used to order stock based on vibes and prayers. Now we order based on data, and the difference in how the business runs is something none of us would go back from.”
C
Director of Supply Chain
Consumer electronics · enterprise
Working capital freed$11.4M
12 mo
−32%
Forecast error
−16%
Excess inventory
1.4×
Inventory turns

Verified outcomes for an enterprise consumer-electronics brand on Tightly.

At scale, a bad buy compounds. Leaders keep under 12% of stock past its window against 22% for the field.

Tightly · State of Retail Inventory 2026

Plan with confidence. One set of numbers, every team, every week.

There's nothing to rip out. Tightly runs on your existing ERP, EDI, e-commerce and POS. Give us 30 minutes and we'll walk you through it.

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