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B2B & Wholesale Commerce · Seattle, Washington

B2B Wholesale E-Commerce Portal in Seattle, Washington

Seattle businesses tell us what they sell and how they want to sell it; our engineers turn that into a custom B2B ordering portal, an admin system and a mobile app shaped around their operations. Checkout with Visa, Mastercard, Amex and Discover and PayPal and Venmo, delivery through USPS or your own team, and sales-tax-ready invoicing.

  • Web platform + Android/iOS app
  • Visa, Mastercard, Amex and Discover and PayPal and Venmo
  • Delivery via USPS
  • Demo within 24 hours
Supplier and business buyer agreeing a wholesale account — Seattle

Quick answer

Who builds a B2B ordering portal in Seattle, Washington?

NNT Mart by N&T Software builds custom B2B and wholesale portals and mobile apps for businesses in Seattle, Washington, designed to each client's requirements. Platforms support Visa, Mastercard, Amex and Discover, PayPal and Venmo and Apple Pay and Google Pay, ship through USPS and UPS, follow state privacy laws led by the California CCPA/CPRA (with similar laws in Virginia, and come with a free demo within 24 hours of the requirements meeting.

Key takeaways

  • We do not hand Seattle businesses a ready-made theme: we study how you sell, then build the online platform and Android/iOS app your customers and staff actually need.
  • Checkout ready for Visa, Mastercard, Amex and Discover, PayPal and Venmo and Apple Pay and Google Pay, with delivery through USPS and UPS or your own team.
  • Sales-tax-ready invoicing and controls designed around state privacy laws led by the California CCPA/CPRA (with similar laws in Virginia.
  • Free demo within 24 hours of the requirements meeting; you own 100% of the source code after final payment.

Why Seattle businesses are investing in B2B and wholesale portals

Seattle is a commercial centre in Washington, United States home to about 737,000 people, and one of the places where we build B2B and wholesale portals for local businesses.

Businesses here work in cloud computing, e-commerce, aerospace, gaming and biotech; many are based around South Lake Union, Downtown and Pioneer Square.

Logistics are supported by Sea-Tac Airport, the Port of Seattle and major cloud data-centre regions nearby, which matters when you promise customers fast delivery.

Across Washington, the economy is shaped by cloud and e-commerce giants, aerospace, coffee, agriculture and trade with Asia, with Olympia as the state capital.

The United States has more than 33 million small businesses, which make up 99.9% of all US firms (US SBA Office of Advocacy). The United States is the world's most valuable e-commerce market outside China, and shoppers expect fast, free shipping, easy returns and wallet checkout. Direct-to-consumer brands that own their store and data, rather than relying only on marketplaces, keep more margin and customer loyalty.

That is why more companies in Seattle are moving from phone, WhatsApp and spreadsheet orders to a proper B2B ordering portal — one place where products, prices, payments, orders and customers are managed together.

Local details we build into every Seattle project

A store that works in Seattle respects local habits as well as local law. These are the details we configure first.

Currency and pricing

The store speaks US dollar: USD amounts from product page to invoice, so Seattle buyers never convert in their heads.

Language and content

Content can be produced in English and Spanish, so a Seattle customer reads the store in the language they use at home.

Local trust signals

Trust is local: familiar names such as Visa, Mastercard, Amex and Discover and PayPal and Venmo and USPS sit next to the buy button.

Domain, phone and contact

A .us domain (or your own) builds local trust and search relevance. Contact buttons are pre-set with +1, so a customer in Seattle taps once to call or message.

Talent and partners nearby

With University of Washington is a leading computer-science school close by, finding people to manage catalogues, content and support after launch is realistic in Seattle.

A B2B ordering portal built around your Seattle business

Every NNT Mart B2B ordering portal in Seattle is engineered to the client's own brief — the web platform, the admin panel and, when you need one, a mobile application built for your workflow.

Typical clients include FMCG distributors, industrial suppliers, electrical and hardware traders and medical and institutional suppliers. Categories that sell especially well online in the United States — electronics, apparel and footwear, health and personal care and home and furniture — get catalogue structures and filters designed for them.

We start with a requirements meeting, show you a working demo within 24 hours, and only then propose scope, milestones and budget.

Core modules we build for Seattle clients

These are the building blocks of a B2B ordering portal. We scope them with you, so you pay for what your Seattle operation needs.

Business accounts

Registration, KYC and approval, company hierarchies, branches, buyers and approvers with their own permissions. Customers in Seattle can pay with Visa, Mastercard, Amex and Discover, PayPal and Venmo and Apple Pay and Google Pay, with receipts and refunds handled in the same admin.

Contract pricing

Price lists by customer, group or territory, quantity slabs, pack sizes, minimum order values and negotiated rates. Delivery can be booked through USPS, UPS and FedEx or dispatched by your own riders around Seattle.

Quick and bulk ordering

SKU-code entry, spreadsheet upload, saved lists, re-order from history and scheduled repeat orders. Stock can be held in Seattle or anywhere in Washington, with pickup and local-delivery options where they make sense.

Quotes and approvals

Request-for-quotation, counter-offers, purchase-order upload and multi-level approval before submission. Reports show which products, customers and areas of Seattle drive revenue.

Credit and payments

Online payment, credit limits, pay-later terms, outstanding statements and payment reminders where approved. Storefront language, imagery and navigation are set up for Seattle shoppers and available in English and Spanish.

Sales-team tools

Order on behalf of customers, territory assignment, visit notes and performance dashboards for representatives. Bulk import and sync tools mean the Seattle team never re-keys stock, prices or descriptions by hand.

Getting paid online in Seattle

A store that serves Seattle should let customers pay the way they do offline: Visa, Mastercard, Amex and Discover, PayPal and Venmo, Apple Pay and Google Pay and Shop Pay.

Provider approval, settlement time and fees differ by business type, so we shortlist gateways with you, then wire up status updates, refunds and reconciliation in USD — card details stay with the provider.

Zone-based payment rules let you offer different options for South Lake Union than for outer parts of Seattle.

  • Apple Pay and Google Pay
  • Affirm, Klarna and Afterpay BNPL
  • ACH bank payments
  • Visa, Mastercard, Amex and Discover
  • PayPal and Venmo
  • Shop Pay

Delivery and fulfilment from Seattle

Your B2B ordering portal can book shipments and share tracking with USPS, UPS, FedEx, DHL eCommerce, Amazon Shipping and OnTrac, or route orders to your own riders and stores across Seattle.

We set up shipping zones, cut-off times, free-shipping thresholds, cash-collection rules and returns so the promise on the product page matches what your team can deliver.

Connectivity in the area — Sea-Tac Airport, the Port of Seattle and major cloud data-centre regions nearby — makes regional and national dispatch from Seattle practical.

Compliance built into your B2B ordering portal

Tax basics: There is no federal VAT; 45 states and D.C. levy sales tax with local add-ons, and since South Dakota v. Wayfair (2018) remote sellers must collect tax once they pass each state's economic-nexus threshold.

Two frameworks shape the build: state privacy laws led by the California CCPA/CPRA (with similar laws in Virginia, Colorado, Texas and others), the FTC Act, COPPA for children and CAN-SPAM for email, and FTC rules including the Mail, Internet or Telephone Order Merchandise Rule, the 2024 rule against fake reviews, the ADA expectations on website accessibility and state "click-to-cancel" subscription laws.

Our job is the engineering: price display with tax, invoice numbering, cookie and marketing consent, return and terms pages, role-based access and logs. Legal and tax conclusions stay with your own adviser in Washington.

Owning your channel in the United States

Many Seattle sellers already list on Amazon, Walmart Marketplace, eBay, Etsy, Target Plus and TikTok Shop. Those channels bring traffic, but they also take commission, control the customer relationship and change rules without notice.

NNT Mart gives you a channel you own: your domain, your customer list, your pricing and your brand. Where it helps, we connect product feeds and orders from marketplaces so stock stays in sync and your team works from one dashboard.

Businesses that use NNT Mart in Seattle

Popular online categories in the United States include electronics, apparel and footwear, health and personal care, home and furniture, groceries and pet supplies. Local demand in Seattle is shaped by cloud computing, e-commerce, aerospace, gaming and biotech, so we often design catalogues and B2B ordering around those sectors. In Seattle, we most often build B2B and wholesale portals for:

Wholesalers

Wholesalers get business accounts plus quick and bulk ordering workflows tailored to their operations.

FMCG distributors

We map how FMCG distributors sell today and digitise it end to end — from enquiry and order to payment, dispatch and repeat purchase.

Industrial suppliers

For industrial suppliers, we usually start with quotes and approvals, then add CRM and lead management once orders are flowing.

Electrical and hardware traders

Catalogue, pricing and fulfilment rules designed for electrical and hardware traders in Seattle, connected to the systems you already use.

Medical and institutional suppliers

Medical and institutional suppliers get credit and payments plus business accounts workflows tailored to their operations.

Dealer networks

We map how dealer networks sell today and digitise it end to end — from enquiry and order to payment, dispatch and repeat purchase.

Android and iOS apps for your Seattle business

In Seattle, shoppers browse on phones first. A dealer and sales-representative app lets buyers re-order in seconds, scan products, check statements and receive scheme announcements, while reps take orders at the counter even with patchy connectivity.

One backend serves the website and the apps, and the apps ship under your own Google Play and App Store accounts — so what you change once appears everywhere.

Push notifications can be timed to UTC−4 so offers reach Seattle customers when they are awake, and the interface can run in English and Spanish.

  • ERP (SAP, Oracle, Microsoft Dynamics, Tally, Zoho)
  • BI and reporting tools
  • Warehouse and inventory systems
  • CRM and lead management
  • Credit and payment gateways
  • WhatsApp and SMS notifications
  • Logistics and freight partners
  • Accounting and e-invoicing

Integrations above are examples; we connect any system that offers a suitable API, database access or approved import and export process.

From first demo to growth in Seattle

Value first, depth later. For a B2B ordering portal serving Seattle, the usual sequence looks like this:

PhaseWhat goes live
Launch portalAccounts, contract pricing, catalogue, ordering and ERP order sync. Configured for USD, Visa, Mastercard, Amex and Discover and USPS from the start.
AutomateQuotes, approvals, credit, statements and notifications.
ExpandDealer and sales-rep apps, analytics and new territories. Reviewed against how Seattle customers actually buy.

We track order-entry time, share of orders placed online, order accuracy, days sales outstanding, repeat-order frequency and sales-rep productivity on a live dashboard from day one, so Seattle results are visible, not promised.

Time zones, language and support

Seattle runs on UTC−4, which is 9h 30m behind India (IST). With three 8-hour shifts we are available 24×7, so meetings, demos and urgent fixes happen in your working hours.

We work in English and can deliver storefront content in Carolinian, Samoan and Hawaiian. NDAs are signed on request, and you get a named project lead plus direct access to the engineers building your B2B ordering portal.

Our head office is in Chhapi, Gujarat, with an office in Hyderabad and representation in Nigeria, South Africa, Ethiopia and Zambia; Seattle clients are served remotely with on-site workshops when the project needs them.

Seattle — local market for B2B and wholesale portals
Seattle · Photo: Wikimedia Commons
Purchase orders and invoices reviewed for a wholesale account — Seattle

Seattle — the market we build for

Seattle — B2B and wholesale portals for local businesses
Seattle · Photo: Wikimedia Commons
Seattle — B2B and wholesale portals for local businesses
Seattle · Photo: Wikimedia Commons
Wholesale warehouse aisles stocked for B2B orders — Seattle
B2B & Wholesale Commerce

How we work

Our delivery process for B2B and wholesale portals in Seattle

We do not sell a fixed template. Each B2B ordering portal for businesses in Seattle moves through seven gated stages, and nothing advances — and nothing is invoiced — until you have approved the working result.

  1. 01

    Discover

    ✓ Scope signed off

  2. 02

    Design

    ✓ Pricing agreed

  3. 03

    Build

    ✓ Sprint accepted

  4. 04

    Secure & Test

    ✓ Orders reconciled

  5. 05

    Deploy

    ✓ Portal live

  6. 06

    Handover

    ✓ Handover signed

  7. 07

    Support

    ✓ SLA active

You approve the working result before you pay

Milestones are customised to your requirements — six or more is typical, and delivery time is agreed around your scope. Every payment after the advance is released only after you have seen the working result and given written sign-off. Here is an example plan for a B2B ordering portal:

Protected after launch — warranty and annual support for your B2B ordering portal

Every project includes a free 90-day defect warranty. After that, the same team that built your B2B ordering portal keeps it secure, updated and running on a fixed annual fee agreed up front — no open-ended hourly billing and no surprise invoices.

No lock-in: the platform is yours

For every B2B ordering portal, upon full and final payment the complete source code and intellectual property are transferred to you — so you can host, maintain and enhance the system with any developer.

Read the full B2B & Wholesale Commerce delivery process — reporting, payment milestones, warranty, team and engagement models →

B2B & Wholesale Commerce in Seattle — FAQs

How much does a B2B ordering portal cost in Seattle?

There is no fixed package price: every NNT Mart B2B ordering portal is quoted to your requirements and budget after a free requirements meeting and demo. Cost depends on catalogue size, integrations, payment and delivery rules, mobile apps and support. Payments are split into milestones, and 90% is released only after you accept working modules.

Can I also sell on Amazon and Walmart Marketplace?

Yes. Your own B2B ordering portal can sit alongside Amazon, Walmart Marketplace and eBay; where APIs allow, we sync products, stock and orders so your team manages everything from one admin.

Which parts of Seattle do you build for?

Clients usually trade around South Lake Union, Downtown and Pioneer Square, but the platform is not tied to one neighbourhood: delivery zones, pickup points and prices can be set for any part of Seattle and across Washington.

Do you provide support after launch for clients in Seattle?

Every project includes a free 90-day defect warranty, followed by an optional fixed-fee annual support package with a dedicated developer, SLA-based fixes and a 24×7 helpdesk across three shifts.

Is the platform compliant with local tax and privacy law in the United States?

We build the technical controls — tax-inclusive pricing, compliant invoices and consent management — with state privacy laws led by the California CCPA/CPRA (with similar laws in Virginia in mind. Final legal and tax positions should be confirmed with your adviser.

What time zone and language will we work in for a Seattle project?

Seattle runs on UTC−4 (9h 30m behind India (IST)). We reply within 10 minutes around the clock, meet in your working hours and write storefront content in English and Spanish as well as English.

What sells best online in Seattle?

Electronics, apparel and footwear, health and personal care and home and furniture are strong online categories in the United States, and local demand in Seattle is shaped by cloud computing, e-commerce, aerospace, gaming and biotech. We shape the catalogue, filters and checkout around what your own customers buy.

Can you migrate my existing website or store in Seattle?

Yes. We review your current platform, products, customers, orders and URLs, then migrate with redirects so you keep search rankings and order history.

Free demo in 24 hours

Plan your B2B ordering portal in Seattle

Tell us what you sell and how you take orders today. We reply within 10 minutes, meet you to understand your requirements, and share a working demo within 24 hours.

We reply within 10 minutes, 24×7. Your details are used only to respond to your enquiry — see our privacy policy.

Tell us what you sell. We will show you a working demo in 24 hours.

Free requirements meeting, a demo built on your use case and a proposal priced to your budget — with no obligation.

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