Supplier Relationship Management Data Models
Introduction
Main takeaway:
A robust SRM data model treats every supplier as a strategic business partner, then layers workflow automation, AI-driven data quality, and low-/no-code extensibility on top of a single source of truth that is shared across the ERP, procurement, finance, and analytics landscape.
1. What the SRM data model must achieve
Objective | Why it matters | Model or platform features that enable it |
---|---|---|
Single, authoritative supplier master | Removes duplicates, supports global compliance, feeds all downstream apps | Unified Business Partner structure (SAP BP tables BUT000, LFA1/LFB1/LFM1) or equivalent in other ERPs |
360° view of relationships | Shifts focus from transactions to collaboration and risk | Role concept (vendor, customer, contact), multi-address, bank, tax, certificates |
Real-time integration | Purchasers, finance, and logistics work from the same record | CVI replication, service APIs, IDocs, open-source connectors |
Governed change management | Auditable onboarding, updates, and inactivation | MDG change-request objects, configurable workflows, duplicate checks |
Continuous improvement | Data quality, performance KPIs, risk signals | AI validation, scorecards, predictive analytics |
2. Core entity-relationship structure
Below is the logical backbone found in most enterprise SRM solutions (naming follows SAP/ISO conventions).
Entity | Key attributes | Relationships |
---|---|---|
BUSINESS_PARTNER | BP_ID (PK), legal form, lifecycle status | 1:n to Address, Bank, Identification, Role |
BP_ROLE | Role_ID, validity dates (e.g., Supplier, Customer) | n:1 to Business_Partner; 1:n to OrgAssignment |
ADDRESS | Addr_ID, ISO country, usage type | n:1 to Business_Partner; 1:n to Contact |
COMPANY_CODE_DATA | Accounting view, reconciliation acct, payment terms | 1:1 to Business_Partner within a company code |
PURCH_ORG_DATA | Incoterms, purchasing currency, supply category | 1:1 to Business_Partner within a purchasing org |
PERFORMANCE_METRIC | KPI type, score, period | n:1 to Business_Partner; feeds dashboards |
RISK_ASSESSMENT | Risk_ID, dimension, score, mitigation plan | n:1 to Business_Partner |
This canonical model can be extended with custom entities (e.g., Credit_Segment) through MDG data-model enhancement tools or low-code builders.
3. Automation logic and workflow orchestration
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Supplier onboarding
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Request created in a Lean UI → duplicate check → routing to compliance team → approval → activation → automatic replication to ERP and SRM tables.
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Change request (bank details, address, tax)
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Change initiator → rule-based derivations (e.g., domestic IBAN check) → four-eye approval → transport to production → audit log.
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Periodic review
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Scheduled workflow that reads PERFORMANCE_METRIC and RISK_ASSESSMENT, flags suppliers below threshold, triggers development plan task lists.
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Low-code platforms such as Kissflow, Joget, or NocoBase let citizen developers design these workflows visually, call ERP APIs, and add UI components without full-stack coding.
4. Integration patterns inside the enterprise architecture
Layer | Integration approach | Example |
---|---|---|
Transactional Core (ERP) | Synchronous CVI service or IDoc BLAREL | SAP S/4HANA receives central contract from SRM |
Spend / Procurement suites | REST / SOAP supplier services | SAP Ariba, Coupa, Ivalua consume BP IDs |
Analytics & AI | Replication to BW/Lakehouse; ML pipelines for anomaly detection | AI engines score delivery performance and suggest data corrections |
Open-source extensions | Odoo, Dolibarr, SuiteCRM connectors | Lightweight supplier portals for SMEs |
5. Low-code, open-source, and citizen development
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Data-model builders in open-source ERPs (Odoo Studio, Dolibarr Module Builder) expose tables as drag-and-drop objects, letting business technologists add attributes such as ESG Rating or Diversity Certification in minutes.
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Visual workflow editors (Pipefy, Retool, OutSystems) call SRM APIs to automate approvals, reminders, and escalations, closing the gap between IT backlogs and business agility.
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Governance guardrails—role-based access, test environments, code reviews – are essential to keep citizen-built automations compliant with enterprise policies.
6. AI-augmented data quality and risk analytics
Modern SRM platforms embed AI services that:
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Detect duplicates across multilingual supplier names and fuzzy addresses.
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Score financial health using external credit bureaus or ESG datasets, updating RISK_ASSESSMENT automatically.
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Recommend missing certificates or renewal actions, feeding workflow queues for supplier managers.
7. Technology transfer & digital transformation considerations
Consideration | Guidance |
---|---|
Legacy to S/4HANA | Convert vendor master to unified Business Partner early; map custom fields via MDG before go-live to avoid dual maintenance. |
Open-source adoption | Start with pilot scope (e.g., long-tail suppliers), prove data quality improvements, then federate into core ERP through APIs. |
Low-code governance | Define a design authority that certifies modules, maintains shared components, and enforces version control—mirroring software engineering best practice. |
AI ethics & transparency | Maintain audit trail of AI-based decisions (e.g., supplier risk scores) and enable human override to meet regulatory accountability. |
8. Putting it all together – reference architecture
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Data foundation: Central SRM/MDM hub exposing canonical Business Partner API.
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Process layer: BPM/workflow engine orchestrating onboarding, changes, reviews.
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Extension layer: Low-/no-code platform for UI tweaks, forms, citizen-built apps.
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Intelligence layer: AI services for validation, risk, and predictive insights.
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Experience layer: Supplier and buyer portals, mobile apps, analytics dashboards.
This layered architecture supports continuous digital transformation while safeguarding data integrity and compliance across the enterprise systems group. By coupling a strong SRM data model with workflow automation, low-code extensibility, and AI, organizations create a responsive, insight-driven supplier ecosystem that scales with evolving business and regulatory demands.
References:
- https://help.sap.com/docs/SAP_MASTER_DATA_GOVERNANCE/f16db93627294eefac9cd74aa84445af/797e912fe1a342e1a9de5be63dab7155.html
- https://service.stibosystems.com/documentation/latest/content/solenabl/cmdm/cmdmsolenable/sapdatastructures/sapbuspart.html?TocPath=SAP+S%2F4HANA+Business+Partner+Data+Structures%7C_____0
- https://s4hanaguide.com/business-partner-in-sap-s-4hana/
- https://mastechinfotrellis.com/blogs/sap-business-partner-master-data-sap-mdg
- https://help.sap.com/docs/SAP_ERP/967e1c2a6a8c4183b7e07d28e7574445/178b6dda618e4208b3a71782b25badb1.html
- https://help.sap.com/http.svc/rc/2aef23dfc3644cb5810c4650941658c9/7.0/en-US/Configuring_SAP_MDG_for_Supplier_70_Feature_PackE.PDF
- https://www.linkedin.com/pulse/step-by-step-guide-extend-standard-data-models-sap-mdg-alok-kumar-1c
- https://www.planetcrust.com/data-models-for-supplier-relationship-management/
- https://www.nocobase.com
- https://www.gartner.com/reviews/market/enterprise-low-code-application-platform
- https://www.dolibarr.org
- https://www.odooexpress.com/services/vendor-management
- https://www.odoo.com
- https://apps.odoo.com/apps/modules/13.0/odoodatamodel
- https://www.odoo.com/documentation/18.0/developer/tutorials/server_framework_101/07_relations.html
- https://www.outsystems.com/low-code-platform/
- https://www.pipefy.com/low-code-platform/
- https://www.icloudius.com/erp-systems-can-improve-supplier-relationship-management-srm/
- https://www.verdantis.com/vendor-master-data/
- https://www.kodiakhub.com/blog/how-to-master-supplier-data-management
- https://www.gep.com/knowledge-bank/glossary/what-is-supplier-master-data-management
- https://datawiz.io/en/blog/what-is-supplier-relationship-management-srm
- https://aymax.fr/sap-srm-supplier-relationship-management/
- https://semarchy.com/blog/supplier-master-data-management/
- https://www.ivalua.com/blog/supplier-relationship-management/
- https://help.monitorerp.com/DK-MONITOR_G5/en-us/Content/Topics/Purchase/Suppliers/BasicDataSRM/wBasicDataSRM.htm
- https://procurementtactics.com/supplier-master-data/
- https://www.sap.com/uk/products/spend-management/supplier-relationship-management-srm.html
- https://help.sap.com/docs/SUPPORT_CONTENT/srm/3362936837.html
- https://www.gep.com/knowledge-bank/glossary/what-is-supplier-master-data-model
- https://www.procurement.govt.nz/guides/guide-to-procurement/manage-the-contract/introduction-to-supplier-relationship-management/
- https://www.altares.com/fr/vos-enjeux/data-management/integrer-de-la-donnee-db-dans-mon-crm-srm-erp/
- https://www.hicx.com/platform/supplier-data-model/
- https://www.cobuy-solutions.com/srm-supplier-relationship-managament
- https://www.linkedin.com/posts/saikiran10x_s4hana-bp-configuration-activity-7224393084761952258-LaRL
- https://www.linkedin.com/pulse/how-set-up-sap-mdg-suppliers-step-by-step-guide-vijay-qcewc
- https://www.gleek.io/templates/product-management-erd
- https://www.youtube.com/watch?v=lhw38Hsv9yA
- https://www.geeksforgeeks.org/sql/how-to-design-er-diagrams-for-supply-chain-management/
- https://fortifiedlearn.com/blog/what-is-sap-mdg-and-which-type-of-data-model-does-it-use/
- https://www.edrawmax.com/templates/1004025/
- https://www.cdq.com/business-partner-master-data
- https://forte4.de/blog/extending-sap-master-data-governance-sap-mdg-business-partner-bp-data-model-with-a-custom-entity-credit-segment
- https://creately.com/diagram/example/hlqh1c4w1/supplier
- https://www.scribd.com/document/779707891/Extend-Master-Data-Governance-Supplier-Data-Model-by-a-New-Entity-Type-Flex-Option
- https://www.umsl.edu/~sauterv/analysis/er/td_entityrel-guidelines.html
- https://help.sap.com/docs/SAP_S4HANA_ON-PREMISE/6d52de87aa0d4fb6a90924720a5b0549/4f1db972d42e4ae2aac0f12b08d35f61.html
- https://www.youtube.com/watch?v=-vDkKw4nVvg
- https://suitecrm.com
- https://www.appsmith.com/blog/low-code-platforms
- https://twenty.com
- https://softbay.com/blog/benefits-odoo-vendor-management
- https://thectoclub.com/tools/best-low-code-platform/
- https://www.g2.com/categories/supplier-relationship-management-srm/free
- https://www.espocrm.com
- https://www.odoo.com/forum/help-1/does-odoo-have-data-model-diagrams-to-help-me-understand-table-relationships-191445
- https://www.kodiakhub.com/blog/8-best-srm-systems-2024
- https://www.mendix.com
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