B2B Ecommerce Software Stack: Platforms, CPQ and ERP Integration
Build the technology stack for modern B2B selling.
B2B buyers now expect self-serve online ordering with their own catalogs, contract prices, quotes and credit terms. A B2B commerce stack connects a B2B-capable storefront to ERP, CPQ and product data, and gives sales reps tools that support, rather than compete with, digital ordering.
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Stack blueprint
Live marketplace dataQuick answer
What is the best tech stack for B2B sellers?
The best tech stack for B2B sellers covers 6 layers: B2B storefront, quote & order, sales & accounts, ERP & fulfillment, billing & receivables and insight. Start with BigCommerce for e-commerce platform, Salesforce Sales Cloud for CRM software, NetSuite for ERP software, Stripe for billing & invoicing and QuickBooks for accounting software, then add growth and scale tools as volume increases.
Key takeaways
- Run the stack by digital order share: share of revenue ordered self-serve.
- Connect erp to b2b storefront first. Customer-specific prices, stock and credit limits sync to the portal.
- Avoid the most common mistake: using a B2C platform without true B2B pricing and account features.
Who it's for
Who needs a tech stack for B2B sellers?
Manufacturers and distributors
Self-serve ordering with account-specific pricing and terms.
B2B sales teams
Quoting and reordering tools that shorten the sales cycle.
Digital commerce leads
A platform that integrates cleanly with the ERP.
The problems it solves
Problems the right software solves for B2B sellers.
Complex pricing
Contract prices, volume tiers and customer-specific catalogs need precise rules.
Quote-to-order friction
Email and PDF quoting slows deals and introduces errors.
ERP dependence
Stock, pricing and credit live in the ERP, so integration is critical.
Receivables
Net terms, invoices and collections must be part of the buying flow.
Stack blueprint
B2B Commerce tech stack: every layer and category.
Each layer maps to real marketplace categories. Open any category to compare products, reviews and pricing.
B2B Storefront
Account-based catalogs, contract pricing and quick reorder.
Quote & Order
Configure, price and quote complex orders, then route them.
Sales & Accounts
Account management and rep productivity.
ERP & Fulfillment
The operational backbone for stock, production and shipping.
Billing & Receivables
Invoicing on terms and getting paid on time.
Insight
Account profitability and buying patterns.
Top picks by category
Best software for B2B sellers, by category.
Market leaders researched for each category, with what to look for before you buy. Pick a layer to explore.
B2B Storefront
Account-based catalogs, contract pricing and quick reorder.
Software
Best E-commerce Platform for B2B sellers
What to look for
- Define your business and products
- Choose hosted vs self-hosted vs headless
- Evaluate checkout and payments
Open SaaS ecommerce platform for growing and enterprise stores
AI-powered commerce on Salesforce
B2B ecommerce platform
Software
Best Product Information Mgmt for B2B sellers
What to look for
- Assess your catalog and channels
- Evaluate data modeling flexibility
- Check syndication coverage
Product information management (PIM) platform
PIM and commerce experience management
Affordable PIM for small and mid-size brands
Software
Best Enterprise Search for B2B sellers
What to look for
- Connector coverage
- Permission handling
- Search quality & AI
Work AI and enterprise search across your company knowledge
AI-powered search, recommendations, and personalization
AI search and recommendations API with a free tier and usage pricing
Software
Best Payment Gateways for B2B sellers
What to look for
- Assess your payment needs
- Evaluate security and compliance
- Compare fees and pricing
Payments infrastructure and financial APIs for the internet
Full-stack payments and business banking platform
Global payments platform for enterprises
Quote & Order
Configure, price and quote complex orders, then route them.
Software
Best CPQ Software for B2B sellers
What to look for
- Product & pricing complexity
- CRM & ERP integration
- Approval workflows
CPQ built on the Salesforce platform
The AI-powered CPQ, CLM, and billing platform for revenue teams.
CPQ and quote-to-cash on Salesforce
Software
Best Order Management for B2B sellers
What to look for
- Map your channels and volume
- Assess inventory and routing needs
- Check channel and carrier integrations
All-in-one commerce platform to start and grow an online store
Retail operations platform for omnichannel brands
Multichannel inventory and order management
Software
Best E-Signature for B2B sellers
What to look for
- Legal & compliance needs
- Authentication levels
- Workflow & routing
Electronic signature and agreement management platform
E-signatures integrated with Adobe Acrobat and PDF tools
Simple e-signature (formerly HelloSign)
Software
Best Contract Management for B2B sellers
What to look for
- Lifecycle coverage
- Authoring & guardrails
- Repository & obligations
AI contract lifecycle management with the Jurist legal AI assistant
Contract lifecycle management
Enterprise contract intelligence platform
Sales & Accounts
Account management and rep productivity.
Software
Best CRM Software for B2B sellers
What to look for
- Business requirements
- Team size
- Integrations
The world's #1 CRM platform for sales teams.
Free CRM that scales with your business.
Affordable, customizable CRM for growing businesses.
Software
Best Sales Engagement for B2B sellers
What to look for
- Sales motion fit
- Channels
- CRM integration
Agentic AI platform for revenue teams, with AI agents and Outreach MCP
Revenue orchestration with cadences, deals, forecasting and AI agents
B2B contact database with prospecting, sequences and AI sales agents
Software
Best Sales Enablement for B2B sellers
What to look for
- Primary need
- Content governance
- Training & coaching
Sales enablement platform
Sales training and coaching that drives revenue
Revenue enablement platform
Software
Best Customer Success for B2B sellers
What to look for
- Business model fit
- Data integration
- Health scoring
Enterprise customer success platform
Customer success platform to fight churn
Customer success platform with SuccessBLOCs
ERP & Fulfillment
The operational backbone for stock, production and shipping.
Software
Best ERP Software for B2B sellers
What to look for
- Match your industry & processes
- Scope the modules you need
- Cloud vs. on-premise
Cloud ERP for financials, operations, and business management
Open-source all-in-one ERP and business apps suite
The cloud ERP for growing businesses.
Software
Best Inventory Management for B2B sellers
What to look for
- Define your inventory needs
- Evaluate real-time accuracy
- Assess multi-location and multi-channel sync
Connected inventory management for product sellers.
Cloud manufacturing and inventory software for makers.
Inventory and order management in the Zoho suite
Software
Best Warehouse Management for B2B sellers
What to look for
- Operational depth
- Accuracy & devices
- Automation readiness
Supply chain and omnichannel commerce solutions
Warehouse management for ecommerce and 3PLs.
Cloud WMS for high-volume ecommerce fulfillment
Software
Best Shipping Software for B2B sellers
What to look for
- Assess your shipping volume and needs
- Check carrier coverage and rates
- Evaluate automation
Multi-carrier ecommerce shipping software
Multi-carrier shipping software and API for ecommerce
The shipping API for modern logistics.
Billing & Receivables
Invoicing on terms and getting paid on time.
Software
Best Billing & Invoicing for B2B sellers
What to look for
- Match your billing model
- Payment options
- Recurring & automation
Payments infrastructure and financial APIs for the internet
Subscription billing and revenue management for recurring businesses.
Enterprise subscription and monetization platform
Software
Best Accounts Receivable for B2B sellers
What to look for
- Receivables volume & type
- Collections automation
- Cash application
Order-to-cash and AR automation
Collaborative accounts receivable automation
Autonomous finance platform with 180+ AI agents for O2C, AP and close
Software
Best Accounting Software for B2B sellers
What to look for
- Match business size & complexity
- Core feature fit
- Bank feeds & automation
Accounting and financial management software for small businesses
Cloud accounting software with unlimited users for small businesses
Cloud ERP for financials, operations, and business management
Software
Best Tax Software for B2B sellers
What to look for
- Match your tax situation
- Complexity coverage
- Integration & import
Sales tax compliance automation
Enterprise tax calculation and compliance
Sales tax compliance for SaaS
Insight
Account profitability and buying patterns.
Software
Best Business Intelligence for B2B sellers
What to look for
- Define your BI needs
- Data connectivity
- Self-service & ease of use
Visual analytics and business intelligence platform
Business intelligence and data visualization in the Microsoft ecosystem
Governed BI and data platform on Google Cloud with a semantic layer
Software
Best Sales Analytics for B2B sellers
What to look for
- Questions to answer
- Data integration
- Forecasting capability
Revenue platform with AI forecasting
The #1 AI operating system for revenue teams
Revenue intelligence and forecasting
What to buy first
What software should B2B sellers buy first?
Start with the essentials, then add layers as volume and complexity grow. Each step shows our top pick.
Starter
Launch the essentials
- E-commerce Platform
- CRM Software
- ERP Software
- Billing & Invoicing
- Accounting Software
- Payment Gateways
Growth
Automate and retain
- Product Information Mgmt
- CPQ Software
- Order Management
- Accounts Receivable
- Shipping Software
- E-Signature
Scale
Optimize and expand
- Enterprise Search
- Contract Management
- Sales Engagement
- Warehouse Management
- Sales Analytics
- Business Intelligence
Indicative entry prices use each top pick's published starting price; billing periods and tiers vary by vendor.
AI agents
Best AI agents for B2B sellers.
The agent categories that create the most leverage for B2B commerce teams, with leading options in each.
Sales AI Agents
B2B contact database with prospecting, sequences and AI sales agents
GTM data platform with waterfall enrichment and Claygent research agents
Digital AI workers for sales (Alice)
Predictive Analytics
Enterprise agent workforce platform with AI governance
Open-source ML plus enterprise generative and predictive AI platform
Predictive AI for churn, LTV and demand without data scientists
Customer Support AI
AI support agent priced at $0.99 per resolved outcome
AI customer service agents that complete tasks in your business systems
Enterprise conversational AI agents for customer experience, from Bret Taylor
How it connects
How to integrate a tech stack for B2B sellers.
A stack is only as strong as the data flowing between its tools. Check these connections before you buy.
Customer-specific prices, stock and credit limits sync to the portal.
Quotes attach to opportunities and convert to orders on approval.
Placed orders flow into the ERP for fulfillment and invoicing.
Open invoices drive automated reminders and collections.
Operator playbook
KPIs and mistakes to avoid for B2B sellers.
KPIs to run the business by
Digital order share
Share of revenue ordered self-serve.
Quote-to-order time
Speed of converting quotes into orders.
Days sales outstanding
How quickly you collect on credit terms.
Reorder rate
Account retention and wallet share.
Order accuracy
Errors are costly in B2B fulfillment.
Common mistakes to avoid
- Using a B2C platform without true B2B pricing and account features.
- Building the portal before cleaning product data.
- Weak ERP integration that shows wrong prices or stock.
- Excluding sales reps, who then steer customers away from the portal.
A 90-day rollout plan
Days 0 to 30
Foundation
- Stand up a B2B storefront and catalog
- Add CPQ and account-based pricing
- Connect CRM and the sales motion
Days 31 to 60
Grow
- Wire orders, contracts and billing
- Centralize inventory
- Add finance and AR
Days 61 to 90
Optimize
- Layer in analytics and AI
Implementation partners
Implementation partners for B2B sellers.
Vetted service providers who implement, integrate and manage these systems.
Build your stack
Get a recommendation for your business.
Tell us about your team, budget and current tools. We'll suggest the right software, AI agents and partners for each layer.
- Tailored to your size and stage
- Software, AI agents and services together
- No obligation, free to request
Frequently asked questions
Frequently asked questions about tech stacks for B2B sellers
What is the best B2B ecommerce platform?
Popular B2B ecommerce platforms include BigCommerce B2B Edition, Salesforce Commerce Cloud and OroCommerce. The best choice depends on ERP integration, account-specific pricing, quoting, catalog size and whether you also sell direct to consumers.
What features does B2B ecommerce need?
B2B ecommerce needs customer-specific catalogs and pricing, quick reorder, quotes, purchase orders and net terms, multiple buyers per account and tight ERP integration for stock, pricing and credit.
Why integrate B2B ecommerce with the ERP?
The ERP holds pricing, inventory, credit limits and order history. Integration keeps the portal accurate and sends orders straight to fulfillment and invoicing without re-keying.
What is the B2B Commerce Stack?
B2B buyers now expect self-serve online ordering with their own catalogs, contract prices, quotes and credit terms. A B2B commerce stack connects a B2B-capable storefront to ERP, CPQ and product data, and gives sales reps tools that support, rather than compete with, digital ordering. The B2B Commerce Stack on Saaskart maps this into 6 layers: B2B Storefront, Quote & Order, Sales & Accounts, ERP & Fulfillment, Billing & Receivables and Insight.
What software does a B2B commerce business need first?
Start with E-commerce Platform, CRM Software, ERP Software, Billing & Invoicing, Accounting Software and Payment Gateways. These cover the essentials. Add Product Information Mgmt, CPQ Software, Order Management and Accounts Receivable as you grow, and Enterprise Search, Contract Management, Sales Engagement and Warehouse Management at scale.
What are the best tools for B2B sellers?
Leading options include BigCommerce, Akeneo, Glean, Stripe, Salesforce CPQ, Shopify, DocuSign and Ironclad. The right choice depends on your size, budget and existing systems, so compare products category by category on Saaskart.
Who is the B2B Commerce Stack for?
Manufacturers and distributors: Self-serve ordering with account-specific pricing and terms. B2B sales teams: Quoting and reordering tools that shorten the sales cycle. Digital commerce leads: A platform that integrates cleanly with the ERP.
Which KPIs should a B2B commerce business track?
Key metrics include Digital order share, Quote-to-order time, Days sales outstanding, Reorder rate and Order accuracy. Digital order share: Share of revenue ordered self-serve.
What mistakes should you avoid when building a B2B commerce stack?
Using a B2C platform without true B2B pricing and account features. Building the portal before cleaning product data. Weak ERP integration that shows wrong prices or stock. Excluding sales reps, who then steer customers away from the portal.
Which AI agents work best for B2B commerce?
The most useful AI agent categories for this stack are Sales AI Agents, Predictive Analytics, Customer Support AI, Procurement AI and Lead Gen AI. Deploy them next to your core software, grounded in your own data, with human review for important decisions.
How much does a B2B commerce tech stack cost?
Costs depend on the tools, tiers and scale you choose. Many categories in the B2B Commerce Stack offer free plans or trials, and Saaskart shows real starting prices so you can budget layer by layer. Use Build Your Stack for a tailored recommendation.
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Software, AI agents and services for every layer, in one marketplace.