Katalyst
POS system Hawaii

Hawaii POS system — for Honolulu, Maui, the Big Island, and beyond

Hawaii's restaurant economy runs on Hawaiian + Asian fusion cuisine (poke bowls, plate lunches, malasadas, loco moco, Spam musubi), the Hawaiian Regional Cuisine movement (Alan Wong, Roy Yamaguchi, Sam Choy), cruise-ship + tourism dominance, and military base dining (Pearl Harbor, Hickam, Schofield Barracks). Hawaii uses General Excise Tax (GET) instead of traditional sales tax. Katalyst OS handles Hawaii's GET structure, Hawaii Prepaid Health Care Act compliance, Maui post-fire Lahaina recovery operations, and the Pacific Rim cuisine modifier complexity.

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Server at a Hawaii restaurant taking an order on a Katalyst POS handheld
Katalyst across Hawaii

Built for Hawaii restaurant operators

We support restaurants, bars, food trucks, and event venues across Hawaii — from Honolulu to Halawa and every region in between.

Cities we serve in Hawaii

  • Honolulu
  • Pearl City
  • Hilo
  • Kailua
  • Waipahu
  • Kaneohe
  • Mililani Town
  • Kahului
  • Kihei
  • Wailuku
  • Lahaina
  • Kapolei
  • Ewa Beach
  • Wahiawa
  • Halawa

Regions across the state

Oahu (Honolulu + Pearl City + Kailua + North Shore) · Maui (Kahului / Kihei / Lahaina recovery) · Big Island (Hilo + Kona) · Kauai (Lihue + Princeville) · Molokai · Lanai · Pearl Harbor / Hickam Military · Waikiki / Tourist Zone

Hawaii restaurant operations are uniquely shaped by the Pacific Rim cuisine heritage + tourism dominance + island logistics. Hawaiian Regional Cuisine (the 1990s movement that defined modern Hawaiian fine dining — Alan Wong's, Roy's, Sam Choy's, Mama's Fish House on Maui, Merriman's on the Big Island) blended Hawaiian traditional foods with Asian + Pacific Rim influences. Plate lunches (loco moco, mixed plate, Korean BBQ plate, Spam musubi) represent the working-class Hawaii dining tradition. Poke bowls (Hawaiian + Japanese origin, now national but the Hawaiian-style remains distinct). Plus the major tourism economy (Waikiki, Maui resorts, Big Island Kona Coast, Kauai) and military base dining (Pearl Harbor, Hickam, Schofield Barracks drive Oahu base-adjacent demand). Maui Lahaina is rebuilding after the August 2023 wildfires destroyed much of historic Lahaina including dozens of restaurants.

Hawaii uses General Excise Tax (GET) rather than traditional sales tax — GET is technically on the seller's privilege of doing business, but is typically passed through to customers on receipts. State GET: 4% + Oahu (Honolulu County) 0.5% surcharge = 4.5%; Maui County 4%; Hawaii (Big Island) County 4.5%; Kauai County 4.5%. With markup (GET on GET), effective rates run 4.166%–4.712%. Plus Hawaii Transient Accommodations Tax (TAT) for hotel-attached restaurants. Katalyst handles GET correctly — different reporting structure from standard sales tax.

Hawaii labor: state minimum wage $14/hr in 2026 (stepping toward $16/hr by 2028), tipped minimum $12.75/hr + tips making up to $14. Hawaii Family Leave Insurance (statewide). Most distinctively, the Hawaii Prepaid Health Care Act requires employers to provide health insurance for employees working 20+ hours/week — Hawaii has had universal employer-provided healthcare since 1974, the only US state with this mandate. Katalyst's labor module handles Hawaii's minimum wage, Family Leave Insurance contributions, and the tracked-hours documentation Prepaid Health Care Act compliance requires.

What’s different here

Hawaii operating particulars

Restaurant scenes, seasonal patterns, and tax regimes specific to Hawaii that generic POS systems handle poorly. Here’s how Katalyst is set up for them out of the box.

Hawaiian Regional Cuisine + plate lunch heritage

Hawaiian Regional Cuisine (1990s movement — Alan Wong, Roy Yamaguchi, Sam Choy, Peter Merriman, Mark Ellman) defined modern Hawaiian fine dining. Plate lunches (loco moco, mixed plate, Korean BBQ, Spam musubi) define everyday Hawaii dining. Poke bowls (Hawaiian-Japanese origin). Modifier complexity for Hawaiian preparations (laulau, kalua pig, lomi salmon, haupia) and the Pacific Rim fusion menus Hawaiian Regional Cuisine restaurants run all handled.

Hawaii General Excise Tax (GET) structure

Hawaii uses GET instead of traditional sales tax — 4% state + 0.5% Oahu surcharge = 4.5% on Oahu (Honolulu County), 4% Maui County, 4.5% Big Island and Kauai. GET is technically on the seller's privilege of doing business but typically passed to customers (with markup the effective rate runs 4.166%–4.712%). Katalyst handles GET reporting structure (different from sales tax) for clean Hawaii Department of Taxation filings.

Maui Lahaina rebuilding + tourism recovery

Maui Lahaina was devastated by the August 2023 wildfires — historic Front Street + Lahaina Town restaurants largely destroyed. Maui's broader tourism economy continues with ongoing rebuilding and tourism recovery operations across West Maui. Katalyst supports new + reopening operations across Maui with seasonal staffing rotation, tourist-volume reporting, and the multi-location flexibility Maui operators need during the recovery period.

Hawaii Prepaid Health Care + tourism economy

Hawaii has had universal employer-provided healthcare since 1974 via the Prepaid Health Care Act — Hawaii is the only US state with this employer mandate (employees working 20+ hours/week qualify for employer-provided health insurance). Katalyst tracks the hours-worked documentation Prepaid Health Care Act compliance requires. Plus Hawaii Family Leave Insurance for statewide paid family leave.

  • 5,000+ restaurant establishments

    BLS QCEW data — Oahu dominant; Maui + Big Island + Kauai add tourism

  • Hawaii GET 4–4.712% effective

    4% state + 0.5% Oahu (effective 4.166–4.712% with markup)

  • HI minimum $14/hr (2026)

    stepping to $16/hr by 2028; Prepaid Health Care Act since 1974

Local questions

Common questions from Hawaii operators

Does Katalyst handle Hawaii's General Excise Tax (GET)?

Yes. Hawaii uses GET (4% state + 0.5% Oahu surcharge = 4.5% on Oahu, 4% Maui, 4.5% Big Island + Kauai) instead of traditional sales tax. GET is technically on the seller's privilege of doing business but typically passed to customers. Katalyst handles the GET reporting structure (different from standard sales tax — separate forms, gross-receipts calculation) for clean Hawaii Department of Taxation filings.

Can Katalyst handle Hawaiian Regional Cuisine modifier complexity?

Yes. Modifier groups for Hawaiian preparations (laulau preparations, kalua pig style, lomi salmon, haupia desserts), plate lunch combinations (loco moco variations, mixed plate combinations, Korean BBQ plate options), poke bowl customisation (protein + base + toppings + sauce), and the Pacific Rim fusion menu structure Hawaiian Regional Cuisine restaurants run all handled.

Will Katalyst support Hawaii Prepaid Health Care Act compliance?

Yes. The Hawaii Prepaid Health Care Act requires employers to provide health insurance for employees working 20+ hours/week — Hawaii is the only US state with this mandate (since 1974). Katalyst's labor module tracks hours-worked documentation, surfaces the 20+ hours/week threshold reporting, and supports the compliance audit-trail Hawaii Department of Labor requires.

How does Katalyst handle Maui Lahaina post-fire recovery operations?

New + reopening Lahaina operations face distinctive logistics — Front Street rebuilding, supplier logistics still recovering, tourism returning at varying paces by neighborhood. Katalyst's multi-location flexibility, seasonal staffing rotation, and per-location reporting support operators navigating the recovery period. Multi-island operators (West Maui + Kihei + Wailuku) can run unified operations on one Katalyst account.

How we stack up

What makes Katalyst OS different?

Ever wondered what sets Katalyst OS apart from the rest? Here are the details.

FeatureKatalyst OSToastAlohaSpotOn
Cloud point of sale
Payment processing
Reservations
Waitlist and table management
Loyalty program
Gift card program
Kitchen display system
Handhelds
QR code order and pay at table
Online ordering
Catering
Dual pricing capable
Branded mobile app
Self-order kiosk
Open API
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Who Katalyst is for

Types of POS systems in Hawaii

POS systems aren’t one-size-fits-all. Katalyst is tuned for the kinds of operators who actually use it day to day.

Coffee shops

Coffee shops, convenience stores, and retail of all sizes use POS systems to process payments, run loyalty programs, and update menus and pricing in real time.

Restaurants

From fine dining to fast food, every restaurant uses a POS system. Operators rely on POS software because it makes their day easier — taking orders, managing tables and reservations, and processing payments efficiently.

Food trucks

POS systems let food trucks ditch the cash register and take orders and process payments on the go. They also generate sales reports that help operators understand peak times and sales trends.

Bars

A bar POS supports order accuracy, inventory tracking, and tab management. Katalyst OS also generates detailed reports on sales and customer behaviour, helping bar owners make informed decisions.

Event venues

Small and large event venues use POS systems as mobile cash registers for ticketing, food and drink sales, and merchandise.

Bed and breakfasts

POS systems help manage reservations and assign rooms to guests. They’re also useful for tracking food and cleaning supplies inventory and handling billing for room charges, meals, and add-on services.

Catering businesses

POS systems support catering with everything from invoicing to inventory control, and store past clients’ information and preferences for future marketing.

Built into the platform

Everything you need to run service

Four things Katalyst handles natively that most POS systems leave you to integrate yourself.

Flex POS solutions

Katalyst OS evolves and grows along with your business. Unlike rigid POS systems, our Flex POS makes integrating new features easy — open new locations and add third-party apps without waiting for your POS to catch up.

Analytics and reporting

Katalyst OS gives you an inside look at customer preferences. From the moment you start using it, guest information and preferences are stored securely. Use our analytics and reporting feature to export customer details for personalised marketing campaigns and stronger guest engagement.

Online ordering

Our online ordering feature eliminates the middleman, saving you and your customers time and money. Guests can order takeout and large-party catering all in one place — and capture orders outside traditional operating hours.

Kitchen display system

Make sure your kitchen runs smoothly from open to close with Katalyst’s kitchen display system. By directing orders straight from customer to chef, this feature streamlines workflow while minimising errors and improving order accuracy.

Customer voices

What Katalyst customers are saying

“Wait… I can see what is going on without being there?”
Corporate office
10 locations
“Katalyst is a diamond in the rough. All these companies come in and tell you what they are going to do and never do it. Katalyst sets your expectations correctly and follows through.”
Restaurant owner
6 locations
“The analysis Katalyst provided me literally saved me thousands of dollars and I would have never noticed any of it unless the team at Katalyst brought it to my attention.”
Marc Olivadesa
General manager
FAQ

POS system FAQ

How does a POS system work?

A point of sale (POS) system processes payments, updates inventory, and tracks sales and customer data. When a customer places an order, an employee enters the items on the POS. The system calculates the cost and processes the payment — cash, card, or mobile. Katalyst OS automatically updates inventory by deducting items sold, keeping stock counts accurate in real time. Every transaction is recorded, so you can pull sales and trend reports as often as you like.

What is a POS system example?

Katalyst OS is an example of an all-inclusive POS. We provide standard POS services such as payment processing, online ordering, and table management — and we don’t stop there. Unlike most POS systems on the market, our solution includes 24/7 support, a branded mobile app, gift card and loyalty programs, and reservations, all in one platform.

How does POS payment work?

Katalyst OS handles the entire payment process end-to-end. Once a server enters the items being purchased, the POS calculates the total — applying tax and discounts automatically. Customers can tap their phone, swipe a card, or pay in cash. Once payment is approved (usually a few seconds), the POS prints a receipt or sends one to the guest’s email. Sale records and inventory levels update automatically to reflect the transaction.

Other service areas

Other states we serve:

Hawaii operators

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