Square rings up the pour but never tells the brewhouse a keg just went dry
A custom POS in Portland runs $60,000 to $160,000 over 4 to 7 months. For a Portland taproom, brewery, or maker with retail, the gap Square or Toast leaves is the connection back to production and inventory: the POS rings the sale but doesn't decrement the keg, update the batch, or reconcile against what the brewhouse made. So the bar runs out of a beer the system still shows in stock.
Square, Toast, Clover, and Lightspeed are excellent at taking payment. They're closed boxes around your production. Your taproom pours from kegs that started as batches in the brewhouse, but the POS doesn't know a keg's volume or which batch it came from. It rings the pour and stops there. Inventory in the POS is a manual number someone updates, so the menu shows a beer that blew an hour ago.
For a Portland brand selling its own product across taproom, retail shelf, and DTC, the POS needs to be a node in the inventory system, not an island. Off-the-shelf POS gives you payment and basic stock but won't decrement by keg volume, tie a sale to a batch for traceability, or reconcile taproom pours against production. You end up reconciling pour counts to brewhouse output by hand, which defeats the point.
Why the usual tools struggle in Portland
- The POS rings a pour but doesn't decrement keg volume or update the batch
- Menu shows beers that already blew because stock is a manual number
- No tie between a sale and its batch, so traceability stops at the bar
- Taproom, retail, and DTC sales don't reconcile against production output
What a custom pos build changes
Custom POS pays off when the point of sale must connect to production and multi-channel inventory. For a Portland taproom or maker, custom decrements by keg volume, ties each sale to its batch, and reconciles pours against brewhouse output, all in real time. You turn the POS from a payment island into a live node of your inventory system, so the menu tells the truth.
- The POS must connect to production and decrement by keg or batch
- Menu accuracy depends on real-time stock the POS can't currently provide
- Taproom, retail, and DTC need to reconcile against production output
- You only need payment and basic stock; Square or Toast covers it
- You don't make your own product, so production tie-in is irrelevant
- Budget and uptime risk favor a managed POS vendor
- Pours decrement keg volume in real time, so the menu reflects reality
- Each sale ties to its batch for full traceability
- Taproom, retail, and DTC reconcile against production output
- Real-time low-keg alerts to the bar and brewhouse
- Sales data flows to ERP (Enterprise Resource Planning) and inventory without manual updates
- Payment processing and PCI compliance add real cost and scope
- Hardware (terminals, scanners, kegs sensors) and reliability matter on a busy bar
- You own uptime; a POS outage stops sales, so resilience is non-negotiable
- Off-the-shelf POS ecosystems (loyalty, apps) you'd build or integrate yourself
The features that matter for Portland
POS services we deliver in Portland
Everything a POS build here can cover: mobile POS, payment processing integration, custom POS system, point of sale software and retail POS.
POS pricing in Portland: the real numbers
| Project scope | Typical cost | Timeline |
|---|---|---|
| POS with inventory and keg decrementing | $60k to $95k | 4 to 5 months |
| Add batch traceability and multi-channel reconciliation | $95k to $130k | 5 to 6 months |
| Full build with ERP sync and offline resilience | $130k to $160k+ | 6 to 7 months |
From kickoff to launch: the schedule
Exactly what you get
A POS that's a live node of your inventory, not a payment island. Pours decrement keg volume tied to batch, the menu reflects what's actually on tap, and taproom, retail, and DTC reconcile against production. Payment is PCI-compliant and the bar keeps ringing through a network blip. The deliverable is a menu that tells the truth and traceability that reaches the glass.
How to choose a developer in Portland
Demand a PCI and an offline-resilience answer up front; both are non-negotiable on a busy bar. Then ask how a pour ties to a keg and batch, because that production connection is the whole reason to build. Scope POS alongside inventory management software, ERP software development, and accounting software so sales data flows clean.
- !They treat POS as payment only; ask how a pour decrements keg volume
- !No PCI plan; ask how payment and compliance are handled
- !No offline story; ask what happens to the bar when the network drops
- !No production tie-in; ask how a sale ties to its batch
- !They ignore reconciliation; ask how taproom pours match brewhouse output
Most Portland teams pricing pos end up comparing notes on supply chain, business intelligence dashboards, booking & scheduling too; the systems share one data spine.
Rohan advises mid-market and enterprise teams on ERP, CRM and custom software, and has led delivery on dozens of business-software builds.
Writes for Digital Heroes, shipping business software for 2,000+ brands across 55+ countries since 2017.
Frequently asked questions
Why not just use Square or Toast?
They take payment beautifully but won't decrement by keg volume, tie a sale to a batch, or reconcile against brewhouse output. For a Portland taproom selling its own product, that production connection is exactly what custom POS adds and off-the-shelf can't.
How does keg decrementing work?
The POS knows each keg's volume and which batch it came from, so every pour subtracts the right amount and the menu updates in real time. When a keg nears empty, it alerts the bar and brewhouse, ending the surprise blow-outs.
What about payment compliance?
Custom POS integrates a PCI-compliant payment processor; you typically don't store card data yourself but tokenize through the processor. This is a real scope and cost item, so confirm any developer's approach to PCI before hiring.
Does it work if the network drops?
It should. A well-built POS operates offline-resilient, queuing transactions locally and syncing when connectivity returns, so a network blip never stops the bar. Insist on this; an outage that halts sales is unacceptable on a busy night.
Can it handle retail and DTC too?
Yes. The POS reconciles taproom pours, retail shelf sales, and DTC against one production-backed inventory, so all channels share a truthful count. That multi-channel reconciliation is a core reason Portland makers build custom.