Retail ERP: run your stores, inventory and omnichannel operations with Dynamics 365
A retail ERP brings your in-store sales, e-commerce, marketplaces and logistics together in a single source of truth. With Microsoft Dynamics 365, FiveForty helps retail brands, store networks, franchises and pure players manage their inventory, their margins and their customer experience.

What is a retail ERP?
A retail ERP is an integrated management system built for retail. It brings in-store sales, e-commerce, inventory, purchasing, logistics, customer relationships and financial management together in a single system. Where a retailer often juggles point-of-sale software, an e-commerce tool, an inventory spreadsheet and an accounting ERP, a retail ERP removes the silos and the double entry.
Retail ERP vs. point-of-sale software: what is the difference?
Point-of-sale software, or POS, handles checkout in the store: receipts, payment methods, discounts, end-of-day closing. A retail ERP runs the whole business: procurement, multi-site inventory, margins, accounting, human resources. The two must be connected. A POS that does not feed its sales to the ERP in real time forces the retailer to manage with yesterday’s data.
Why fragmented tools cost more
Piling up software creates a hidden but heavy cost: interfaces to maintain, data that differs between headquarters and stores, inaccurate inventory, purchasing decisions based on outdated figures. The return on a retail ERP is rarely measured on license prices. It comes from fewer stockouts, less shrinkage and less administrative time.
Choosing the right system
Confusing a retail ERP with point-of-sale software is the leading cause of poor budget decisions.
Retail ERP or point-of-sale software: the comparison
| Criterion | Point-of-sale software | retail ERP |
|---|---|---|
| Scope | Checkout | The whole business |
| Inventory | One store | The whole network |
| Replenishment | Manual | Automatic |
| E-commerce | Third-party interface | Native |
| Margin | Per receipt | By product and channel |
| Accounting | Export that needs reworking | Automatic journal entries |
| Multi-entity | No | Native |
The two complement each other: the retail ERP does not replace the register, it gives it the context it lacks.
The challenges of retail
Retail faces a combination of constraints that few sectors deal with at the same time: high volumes, seasonality, scattered locations and customers who expect everything right away.
Stockouts, the biggest source of lost revenue
A product missing from the shelf means a lost sale, and often a customer who buys elsewhere. Without real-time visibility into the inventory of each store, the warehouse and e-commerce, replenishment arrives too late or in the wrong place.
Unifying sales channels
Store, e-commerce site, marketplaces, social media, mobile app: customers move from one to another without thinking about it. They expect the same price, the same stock and the same history everywhere. That continuity is impossible if each channel has its own database.
Pressure on margins
Between rising procurement costs, price wars and the cost of last-mile logistics, margins come down to a few percentage points. You still need to be able to calculate them by product, by store and by channel, including promotions and markdowns.
Seasonality and peak periods
Sales, the holiday season, promotional events: the system has to absorb multiplied volumes without slowing down the registers. Scalability is not a technical luxury, it is a business requirement.
Managing returns and after-sales service
An item bought online and returned in store must be refunded, put back into stock and booked to the right channel. Poorly managed returns create inventory discrepancies and customer disputes.
Hiring and turnover in store teams
High turnover calls for tools that are easy to learn. A retail ERP whose register interface takes a week of training will never be used properly.
“ In retail, the right decision made on yesterday's figures is already the wrong one.”
Key features of a retail ERP
A generic ERP is not enough: retail needs specific building blocks that are natively connected.
Real-time multi-site inventory management
A unified view of inventory in every store, warehouse and pickup point. Cycle counts, discrepancy management, tracking of known and unknown shrinkage. This is the building block every other one depends on.
Automatic replenishment and allocation
Requirements are calculated for each store based on sales history, seasonality and defined thresholds. Automatic allocation distributes incoming goods across the network without store-by-store manual decisions.
Point of sale and checkout
Registers connected to the ERP, offline mode if the connection drops, management of payment methods, store credits and gift cards. Sales associates must be able to see other stores’ inventory from their register.
E-commerce and marketplaces
Catalogs, prices and inventory are synchronized with the online store and marketplaces. A single shared inventory prevents selling online an item that has already left the store.
Pricing, promotions and markdowns
Price lists by channel, brand and region, complex promotion mechanics, automatic sales and discounts, along with the actual margin after promotion.
CRM and loyalty
A single customer profile fed by every channel, a loyalty program, purchase history available at the register. This is the foundation for personalization and targeted campaigns.
Supply chain and warehouse management (WMS)
Receiving, put-away, order picking, shipping, transportation. For retailers that run their own logistics, the built-in WMS avoids yet another interface.
Performance management and dashboards
Revenue by store and by sales associate, average basket, conversion rate, inventory turnover, margin by product family. Available in real time, not at month-end.
Choosing a retail ERP for the size of your network
One boutique, thirty stores and two hundred franchises are not the same problem. The architecture has to match.
Independent retailers and small chains
The priority is simplicity: a reliable register, accurate inventory and automated accounting. A rollout focused on the essential modules is enough and can be set up quickly.
Networks of ten to fifty stores
This is the tipping point. Spreadsheets and siloed tools no longer hold up: you need central consolidation, pricing policy managed from headquarters and automatic inventory allocation.
Franchises and mixed networks
Company-owned stores and franchisees coexist under different rules: royalties, restricted access rights, negotiated data sharing. The ERP must handle several legal entities and segregate data without breaking the consolidated view.
Pure players and hybrid models
Here, logistics is the core of the business. The focus shifts to order picking, high-volume returns and integration with carriers and marketplaces.
International retailers
Multiple currencies and languages, local tax rules and regulations, group consolidation. An international retail ERP must handle these natively, without custom development for each country.
SaaS or dedicated hosting
The cloud is now the norm: continuous updates, automatic scaling during peaks, controlled costs. Dedicated hosting is only justified for very specific regulatory or integration constraints.
Our Dynamics 365 solutions for retail

Retail ERP and omnichannel: a unified customer experience
Omnichannel is no longer a competitive edge, it is a basic expectation. It requires one product catalog, one inventory and one customer record, shared by every channel.
Click and collect and in-store pickup
The customer orders online and picks up in store. This requires store inventory that is accurate down to the item, and a smooth notification to the team preparing the order.
Ship from store and extended inventory
The store becomes a shipping point. An online order can be fulfilled from the nearest store, which shortens delivery times and moves slow stock across the network.
Cross-channel returns
Bought online, returned in store, or the other way around. The ERP must trace where the sale came from, refund through the right channel and put the item back in the right place in inventory.
A 360-degree customer view
Purchase history, preferences, loyalty points and service interactions consolidated in a single profile, available to sales associates and customer service alike.
Unified inventory and real-time availability
Showing actual availability by store online transforms the conversion rate, provided the information is accurate. This is where most omnichannel projects fail.
Compliance and security in retail
Retail is subject to specific obligations, several of which apply directly to software.
NF 525 certification and French VAT anti-fraud law
In France, since 2018, point-of-sale software used by VAT-registered businesses must meet requirements for data inalterability, security, retention and archiving. NF 525 certification is the most common way to demonstrate compliance. A non-compliant register exposes the business to a fine per software and per location.
GDPR and customer data
Loyalty programs, purchase histories and marketing campaigns handle personal data at scale. Consent, retention periods, the right to erasure and access security must be configured from the design stage.
Payment security
Processing card data falls under the PCI DSS standard. The architecture must keep exposure of this data to a minimum, in particular through encryption and tokenization.
Product traceability and industry requirements
Depending on the product family (food, cosmetics, toys, electronics), there are additional requirements for batch traceability, labeling and product recalls. The ERP must be able to reconstruct the full chain in case of an inspection.
Audit trail and tax audits
Change history, register transaction logs, regulatory archiving. In an audit, being able to quickly produce a reliable audit trail avoids costly reassessments.
Why Microsoft Dynamics 365 for retail
FiveForty is a Microsoft Dynamics 365 Finance & Operations integrator and partner. Dynamics 365 Commerce is its building block dedicated to retail.
One platform from store to headquarters
Registers, e-commerce, central purchasing, warehouse and accounting share the same master data. No middleware to maintain between the point of sale and finance.
Native multi-entity management
Several brands, companies, currencies and countries are managed in a single instance, with automatic consolidation. A decisive advantage for groups and mixed networks.
Performance management with Power BI
Real-time dashboards for store managers and executive leadership alike, fed directly by ERP data.
Automation and artificial intelligence
Copilot and the Power Platform help with sales forecasting, detecting inventory anomalies and automating repetitive administrative tasks.
Our support, from scoping to application maintenance
Requirements scoping, configuration, product and customer data migration, store team training, then application maintenance to keep the solution evolving as your business grows.
A real-world retail example
See how we supported Lagardère Travel Retail France, the retailer behind the Relay stores, in building its teams’ skills on Dynamics 365.
The benefits of a retail ERP
- Real-time unified inventory across every store, warehouse and channel
- Fewer stockouts thanks to automatic replenishment and allocation
- Reliable stock counts and controlled shrinkage
- Seamless omnichannel experience : click and collect, ship from store, cross-channel returns
- Single customer profile fed by every touchpoint
- Better-equipped sales associates, with network-wide inventory visible at the register
- Margins under control by product, store and channel, promotions included
- Built-in compliance : NF 525, GDPR, audit trail
- Real-time decisions instead of waiting for the monthly close
A question? An answer.
Frequently asked questions
A retail ERP is an integrated management software package designed for retail. It centralizes in-store and online sales, inventory, purchasing, logistics, customer relationships and accounting in a single system, across every channel and every point of sale.
Point-of-sale software handles checkout in the store. A retail ERP runs the whole business: procurement, multi-site inventory, margins, accounting and human resources. The two work together and must be connected in real time.
Beyond about ten stores, you need an ERP that can consolidate several entities, manage prices from headquarters and allocate inventory automatically. Microsoft Dynamics 365 meets these needs with native multi-entity and multi-currency management.
Yes, as long as it handles several legal entities with segregated access rights. Company-owned stores and franchisees must be able to coexist, each with its own royalty rules and data scope, while feeding a consolidated view at network level.
It gives real-time visibility into the inventory of every store and warehouse, triggers replenishment automatically based on sales history and seasonality, and lets you show actual availability by store online.
Omnichannel means giving customers the same information and the same experience whatever the channel. For the ERP, this means a single product catalog, shared inventory and a consolidated customer profile, enabling click and collect, ship from store and cross-channel returns.
In France, point-of-sale software used by VAT-registered businesses has had to meet requirements for data inalterability, security, retention and archiving since 2018. NF 525 certification is the most common way to demonstrate this compliance.
Yes. Dynamics 365 natively manages multiple stores, warehouses, companies, currencies and countries in a single instance, with automatic consolidation and pricing policy managed from headquarters.
A scope focused on point of sale and inventory can be deployed in a few weeks. A full project including e-commerce, WMS, data migration and rollout across a network usually takes several months, depending on the number of stores and the level of customization.
Yes. Power BI integrates natively with Dynamics 365 and lets you track revenue by store and by sales associate, average basket, conversion rate, inventory turnover and margin by product family in real time.
