AI Powered integration with expert operators

Merret Retail Assist and Seko

Integration Agency & Consultants

This usually becomes painful when digital stock records in Merret Retail Assist and physical warehouse activity at Seko start to drift. At scale, even minor delays in fulfilment or inaccurate available-to-sell counts create commercial drag through overselling and manual order corrections. We connect Merret to Seko to align order-to-cash data with warehouse operations, protecting the accuracy of every despatch.

Castore
Lounge
Oliver Bonas
Green People
Tatty Devine
Cult
Audit and diagnose system inefficiencies

Cogent will swiftly connect your Merret Retail Assist and Seko, ensuring your ERP and WMS/3PL systems operate efficiently. Our consulting services, particularly our system audit services, are invaluable in identifying and addressing inefficiencies. By conducting comprehensive audits, we empower your team and our consultants to take decisive action, ensuring your tech ecosystems, including Merret Retail Assist and Seko, run smoothly. This enables your ERP and WMS/3PL systems to deliver an exceptional customer experience, keeping your operations efficient and effective.

Solution Design

We design the Merret Retail Assist and Seko integration with clear ownership boundaries. Merret typically acts as the master for product data and order status, while Seko provides authoritative inventory updates from the warehouse floor. Stock levels are pushed from Seko to Merret on a defined schedule to protect against overselling, while sales orders post to Seko as they are released for fulfilment.

A primary trade-off involves the frequency of inventory syncs. Frequent updates provide high stock accuracy but can increase system load during peak trade. Batching updates simplifies daily reconciliation but introduces a lag in intra-day reporting. This design ensures finance closes the month based on Merret's records, while the warehouse team operates with precise physical despatch instructions from Seko.

Operational flow and stock level synchronisation

The integration maintains a controlled loop with Merret Retail Assist as the order master and Seko as the fulfilment lead. Sales orders and Advance Shipping Notices (ASN) are pushed to Seko once they meet readiness criteria. A critical ownership boundary is enforced to ensure Merret Warehouse Codes match Seko Facility IDs, avoiding ingestion rejections. As Seko processes the picks, fulfilment status and tracking flow back to Merret to update ledger records. Inventory levels are synchronised at a defined cadence to protect available-to-sell counts across all channels.

Secure orchestration through compliant middleware

Cogent2 leverages iPaaS for Merret Retail Assist and Seko to integrate ERP and WMS/3PL systems efficiently and securely. iPaaS ensures data flow between Merret Retail Assist, Seko, ERP, and WMS/3PL systems, backed by ISO 27001 and SOC 2 compliance and above. This approach enhances security, reduces complexity, and supports scalability, providing a robust framework for businesses to manage integrations with confidence.

Surfacing exceptions to prevent reconciliation debt催

Visibility is about stopping operational drift before it compounds into reconciliation debt. Standard dashboards often hide the sync illusion: an integration that appears live but is actually failing silently on specific SKUs or status updates. We surface exceptions where they occur, such as when Merret's Season-Year-Style SKU concatenation fails to map to Seko's flat barcode field. Identifying exactly which order, SKU, or stock adjustment is stuck allows the team to intervene before a small data mismatch becomes a warehouse backlog.

Practical workflow training for internal teams

Handover focuses on making the operations, finance, and ecommerce teams experts in their specific workflows. We provide operational documentation that explains where data sits and who owns each exception type. Finance teams learn to reconcile Merret sales records against Seko despatch reports, while ops teams are trained to monitor order flow and identify pending fulfilments.

Daily checks focus on sync health and order status, while monthly routines ensure inventory counts between the WMS and ERP remain aligned. Our training is anchored in the specific design choices made for your Merret and Seko setup, ensuring your team can read alerts and resolve common data mismatches. It is a practical guide for running the business.

Post-launch governance and error resolution

Post-launch support is designed to prevent workflow fracture as order volumes scale. We monitor the movement of Sales Orders, ASNs, and stock adjustments between Merret and Seko to resolve sync errors before they impact the warehouse floor. Our team takes operational ownership of data alignment, providing a clear path for escalation when Facility ID rejections or SKU mapping gaps occur. This allows your team to focus on trading while the integration ensures financial and physical records stay in step.

Integration operating model

The operating model centres on Merret Retail Assist as the source of truth for commercial data, while Seko owns the physical movement of goods. When an order is captured, Merret evaluates it and passes a fulfilment request to Seko. Seko completes the pick and despatch, then sends a confirmation back to Merret to close the order. Inventory levels are maintained through a recurring sync from Seko to Merret, ensuring that what you show customers reflects what is on the warehouse shelf. This clear separation of duties prevents redundant data entry and ensures the warehouse and the office work from the same reality.

Common failures

SKU mapping and ASN rejections

Operational impact: A failure to map Merret's 'Season-Year-Style' SKU concatenation to Seko's flat barcode field causes inbound ASN rejections during EDI transfers. This prevents warehouse intake, leaving stock sitting on the dock while teams manually re-map product attributes.

Prevention / Action: Map the 14-digit internal product IDs correctly, ensuring leading zeros are preserved. The middleware should pre-fetch Season Code attributes from the Merret Master Product table to satisfy Seko intake validation.

Backorder and OTB drift

Operational impact: Relying on standard webhooks for partial cancellations often fails to update Merret's 'Stock in Transit' buckets correctly. Seko's backorder flags do not automatically update 'Open OTB' values, leading to source-of-truth ambiguity where finance sees different stock valuations than the warehouse.

Prevention / Action: Operators must manually adjust 'Open OTB' values when partial cancellations occur. The integration should be configured to recognise these status gaps rather than assuming a standard automate-all approach.

940 Ship Order ingestion failure

Operational impact: If Merret's 'Warehouse Code' field does not exactly match the Seko Facility ID, 940 Ship Order requests are rejected at ingestion. Orders appear 'sent' in Merret but never arrive in the Seko pick queue, creating an invisible fulfilment lag.

Prevention / Action: Enforce strict data validation at the integration layer to confirm Facility ID alignment before transmission. Audit the mapping between Merret warehouse entities and Seko's physical locations to ensure 1:1 parity.

Frequently asked questions

We worry about overselling during peak periods. How does this integration handle inventory updates when Merret uses batch processing?

This is a key risk, as Merret's batch updates can lag behind actual stock changes in the Seko warehouse, leading to overselling. A robust integration uses event-driven triggers from Seko to push inventory adjustments to Merret almost instantly after stock levels change. This ensures Merret's view of available stock is far more accurate than relying on batch processing alone.

If Merret is our product master, what happens if we create a new SKU for a product that is already at the Seko warehouse?

In the correct operating model, every new item record must be created in Merret Retail Assist first. The integration then pushes the new SKU data to Seko to create a corresponding record, linking it to the physical stock. If this sequence is not followed, any Sales Order from Merret with the un-synced SKU will be rejected by Seko, halting fulfilment.

How are returns handled between Seko and Merret? Does a return in the warehouse automatically create a credit note?

Typically, the physical and financial processes are separate. Seko processes the physical return and updates inventory levels for the returned SKU, but this does not create a financial transaction in Merret. The integration should be configured to send a return confirmation from Seko, which then notifies your finance team to create the credit note and process the customer refund in Merret.

What is the most common reason for Sales Orders failing to sync from Merret to Seko?

A frequent point of failure is a mismatch in product data, such as a Sales Order from Merret containing a SKU that has not yet been synced to Seko. When this happens, Seko will reject the entire order, causing fulfilment delays until the item record is created and matched. This highlights why Merret must be the source of truth for all product data.

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