{"id":23532,"date":"2024-12-11T11:07:00","date_gmt":"2024-12-11T11:07:00","guid":{"rendered":"https:\/\/getdevdone.com\/blog\/?p=23532"},"modified":"2025-10-08T11:32:16","modified_gmt":"2025-10-08T11:32:16","slug":"shopify-erp-scaling-fashion-growth-with-cost-control-and-margin-clarity","status":"publish","type":"post","link":"https:\/\/getdevdone.com\/blog\/shopify-erp-scaling-fashion-growth-with-cost-control-and-margin-clarity.html","title":{"rendered":"Shopify + ERP: scaling fashion growth with cost control and margin clarity"},"content":{"rendered":"\n<p><strong>Executive summary<\/strong><strong><br><\/strong>Download the short version of this case study, with the key metrics, client outcomes, and roadmap.&nbsp;<\/p>\n\n\n\n<p><a href=\"https:\/\/s3.amazonaws.com\/newblog.psd2html.com\/wp-content\/uploads\/2025\/10\/08105156\/ShopifyERP.pdf\" target=\"_blank\" rel=\"noopener\" title=\"\">\u2b07 Download executive summary PDF<\/a><\/p>\n\n\n\n<p>At a glance<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Industry<\/strong>: Mid-sized fashion retailer (France)<\/li>\n\n\n\n<li><strong>Channels<\/strong>: D2C (Shopify Plus), legacy B2C (WooCommerce), Wholesale (Zalando, La Redoute)<\/li>\n\n\n\n<li><strong>Employees<\/strong>: ~60 (incl. 5-person IT team)<\/li>\n\n\n\n<li><strong>Annual turnover<\/strong>: ~\u20ac35M<\/li>\n<\/ul>\n\n\n\n<p>The client had burned budget in the past with a \u201cbig consultancy\u201d that promised full ERP digital transformation, but delivered over-engineered systems they couldn\u2019t maintain. They came to us cautious: <em>\u201cProve you can fix my problems without locking me into costs I can\u2019t control.\u201d<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How the client found us<\/h2>\n\n\n\n<p>The client discovered GetDevDone through a referral from a partner agency that had worked with us on complex MarTech and eCommerce integrations. They were looking for a partner they could trust to deliver results reliably, after experiencing fragmented delivery and hidden costs with previous vendors.<\/p>\n\n\n\n<p>Initial Challenges (Before engagement)<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Overselling &amp; stock conflicts<\/strong>\n<ul class=\"wp-block-list\">\n<li>Shopify + WooCommerce stock not syncing correctly.<\/li>\n\n\n\n<li>Backorders ~6\u20138% of total orders \u2192 refunds, unhappy customers.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>ERP disconnect<\/strong>\n<ul class=\"wp-block-list\">\n<li>Odoo ERP used for finance + warehouse.<\/li>\n\n\n\n<li>No direct integration \u2192 manual CSV imports.<\/li>\n\n\n\n<li>Warehouse often packed products that were already \u201csold out\u201d online.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cost fear<\/strong>\n<ul class=\"wp-block-list\">\n<li>Prior consultancy had pitched \u201cmiddleware + SaaS stack\u201d costing \u20ac8\u201310K\/month in licenses.<\/li>\n\n\n\n<li>Client lost trust in \u201cexpensive software subscriptions.\u201d<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Margin blindness<\/strong>\n<ul class=\"wp-block-list\">\n<li>Leadership couldn\u2019t see margin differences between wholesale (Zalando) and D2C (Shopify).<\/li>\n\n\n\n<li>Promotions sometimes ran at a loss without visibility.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Our Approach: Transparency First<\/h2>\n\n\n\n<p>We acknowledged these client fears directly and structured delivery to minimize risk:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pilot-first delivery<\/strong> \u2192 6-week, fixed-price scope. No hidden costs.<\/li>\n\n\n\n<li><strong>Tool independence<\/strong> \u2192 prefer open-source or client-owned cloud (avoid SaaS lock-in).<\/li>\n\n\n\n<li><strong>Step-by-step roadmap<\/strong> \u2192 prove ROI at each stage, only then scale.<\/li>\n\n\n\n<li><strong>Knowledge transfer<\/strong> \u2192 goal was NOT dependency on us, but empowerment of client\u2019s IT.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Phased Solution Delivery<\/h2>\n\n\n\n<p><strong>Phase 1: Pilot (6 weeks, fixed cost)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Built custom Shopify \u2194 Odoo connector in Python\/Node.js.<\/li>\n\n\n\n<li>Covered top 200 SKUs only (high turnover).<\/li>\n\n\n\n<li>Added basic reconciliation dashboard in Metabase (open-source BI).<\/li>\n\n\n\n<li>Hosted on client\u2019s own AWS \u2192 no SaaS fees.<\/li>\n<\/ul>\n\n\n\n<p><strong>Value created (pilot)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Overselling dropped 70% in top SKUs.<\/li>\n\n\n\n<li>Warehouse no longer double-packed.<\/li>\n\n\n\n<li>Leadership approved scaling based on hard ROI.<\/li>\n<\/ul>\n\n\n\n<p><strong>Phase 2: Scale-up (3 months)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extended integration to all SKUs + WooCommerce + Zalando + La Redoute.<\/li>\n\n\n\n<li>Added Python forecasting model (Prophet) running on AWS EC2.\n<ul class=\"wp-block-list\">\n<li>Forecast horizon: 8 weeks.<\/li>\n\n\n\n<li>Accuracy: ~82% vs historical baseline.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Built margin visibility dashboards in Metabase:\n<ul class=\"wp-block-list\">\n<li>Split by channel (Shopify vs Zalando vs wholesale).<\/li>\n\n\n\n<li>Promotion profitability tracking.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>Value created&nbsp;<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Overselling across all SKUs reduced from ~7% \u2192 1.5%.<\/li>\n\n\n\n<li>Saved <strong>~\u20ac4K\/month<\/strong> by avoiding SaaS subscriptions.<\/li>\n\n\n\n<li>Management now makes pricing decisions based on <em>actual margin data<\/em>.<\/li>\n<\/ul>\n\n\n\n<p><strong>Phase 3: Governance &amp; Compliance&nbsp;<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Added GDPR audit trail (PostgreSQL + audit logs).<\/li>\n\n\n\n<li>Role-based access for dashboards (finance vs operations vs exec).<\/li>\n\n\n\n<li>PCI DSS v4.0 alignment for payment data handling and encryption.<\/li>\n\n\n\n<li>WCAG 2.1 accessibility review on customer-facing storefronts.<\/li>\n\n\n\n<li>Training sessions for client\u2019s IT:\n<ul class=\"wp-block-list\">\n<li>80% of operations now self-managed.<\/li>\n\n\n\n<li>GetDevDone provides \u201cescalation support\u201d only.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>Value created&nbsp;<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Client passed GDPR audit in 2024 without external consultants.<\/li>\n\n\n\n<li>IT team independent for daily operations, vendor dependency reduced.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>Tech Stack (Transparent Choices)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Area<\/strong><\/td><td><strong>Choice<\/strong><\/td><td><strong>Why not SaaS?<\/strong><\/td><td><strong>Cost impact<\/strong><\/td><\/tr><tr><td>Commerce<\/td><td>Shopify Plus, WooCommerce<\/td><td>N\/A<\/td><td>Existing licenses<\/td><\/tr><tr><td>ERP<\/td><td>Odoo ERP<\/td><td>Already in use<\/td><td>N\/A<\/td><\/tr><tr><td>Integration<\/td><td>Custom Python\/Node.js connectors<\/td><td>Avoid Linnworks (~\u20ac1.5K\/mo)<\/td><td>One-time build, client-owned<\/td><\/tr><tr><td>Forecasting<\/td><td>Prophet (Python, AWS EC2)<\/td><td>Avoid AWS Forecast (higher cost, black-box)<\/td><td>\u20ac150\/mo infra<\/td><\/tr><tr><td>Dashboards<\/td><td>Metabase (open-source)<\/td><td>Avoid Snowflake + Tableau (~\u20ac3K\/mo)<\/td><td>Free (self-hosted)<\/td><\/tr><tr><td>Compliance<\/td><td>PostgreSQL audit logging, PCI DSS v4.0 evidence packs, WCAG 2.1 accessibility checks<\/td><td>Simple, transparent<\/td><td>Minimal dev time<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Total SaaS savings<\/strong>: ~\u20ac4,000\/month vs big-agency approach.<\/p>\n\n\n\n<p>Key lessons for our next Clients<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Agency rates \u2260 agency bloat<\/strong>: Yes, our engineering rates are not \u201cfreelancer cheap.\u201d But we deliver ROI-focused pilots first, so you <em>see value before scaling spend<\/em>.<\/li>\n\n\n\n<li><strong>We don\u2019t oversell<\/strong>: Case proves we can start with 200 SKUs \u2192 expand to full inventory, only after ROI is visible.<\/li>\n\n\n\n<li><strong>You won\u2019t be trapped<\/strong>: Everything built runs on your AWS, your ERP, your dashboards. No hidden SaaS subscriptions.<\/li>\n\n\n\n<li><strong>Shared ownership<\/strong>: 80% of operations now handled by client\u2019s IT \u2014 dependency risk eliminated.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Business impact<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Overselling: \u2193 from 7% \u2192 1.5% (quarterly average)<\/li>\n\n\n\n<li>SaaS savings: \u20ac4K\/month avoided<\/li>\n\n\n\n<li>Forecast accuracy: ~82% vs baseline<\/li>\n\n\n\n<li>Exec margin visibility: 100% across channels<\/li>\n\n\n\n<li>IT independence: 80% ops handled internally<\/li>\n<\/ul>\n\n\n\n<p>Hidden aspects we\u2019re open about<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Forecast model is good, not perfect<\/strong> \u2014 ~82% accuracy is solid, but demand shocks (e.g., influencer campaign) still require human judgment.<\/li>\n\n\n\n<li><strong>Metabase dashboards lack polish<\/strong> compared to Tableau, but the client accepted \u201c80% functionality at 0% license cost.\u201d<\/li>\n\n\n\n<li><strong>Knowledge transfer takes effort<\/strong> \u2014 client\u2019s IT had to invest ~60 hours in training.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>Client testimonial (unedited)<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>We were burned by a big consultancy before, so we demanded a pilot-first, no hidden costs. GetDevDone delivered exactly that. We saved thousands in SaaS fees and got real margin visibility. Today, my IT team runs 80% of the system. That independence is priceless.<\/em> \u2014 COO, French Fashion Retailer<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Future growth roadmap<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Expansion into digital product passports (EU requirement for apparel in 2026).<\/li>\n\n\n\n<li>Preparing to connect marketplaces beyond Europe (Farfetch, ASOS).<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A mid-sized French fashion retailer (\u20ac35M turnover) faced<\/p>\n<p>a familiar dilemma: fragmented commerce systems, hidden<br \/>\ncosts from prior consultancy engagements, and eroding trust<\/p>\n<p>in technology investments. Their leadership set a clear<br \/>\nmandate: restore control, reduce operational risk, and scale<br \/>\nresponsibly without locking the business into spiraling SaaS<br \/>\nspend.<\/p>\n","protected":false},"author":12,"featured_media":23533,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":""},"categories":[743,754],"tags":[761,855,778,832,847,811],"class_list":["post-23532","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-study","category-shopify-development","tag-api-third-party-integrations","tag-architecture","tag-data-engineering","tag-data-pipelines","tag-retail","tag-shopify-plus"],"acf":[],"aioseo_notices":[],"author_meta":{"display_name":"Yuliya Mikitenko","author_link":"https:\/\/getdevdone.com\/blog\/author\/yuliya-mikitenko"},"featured_img":"https:\/\/s3.amazonaws.com\/newblog.psd2html.com\/wp-content\/uploads\/2025\/10\/08111104\/Illiustration-cover-case-study-2-300x300.png","coauthors":[],"tax_additional":{"categories":{"linked":["<a href=\"https:\/\/getdevdone.com\/blog\/category\/case-study\" class=\"advgb-post-tax-term\">Case study<\/a>","<a href=\"https:\/\/getdevdone.com\/blog\/category\/shopify-development\" class=\"advgb-post-tax-term\">Shopify development<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Case study<\/span>","<span class=\"advgb-post-tax-term\">Shopify development<\/span>"]},"tags":{"linked":["<a href=\"https:\/\/getdevdone.com\/blog\/category\/shopify-development\" class=\"advgb-post-tax-term\">API \/ third-party integrations<\/a>","<a href=\"https:\/\/getdevdone.com\/blog\/category\/shopify-development\" class=\"advgb-post-tax-term\">Architecture<\/a>","<a href=\"https:\/\/getdevdone.com\/blog\/category\/shopify-development\" class=\"advgb-post-tax-term\">Data engineering<\/a>","<a href=\"https:\/\/getdevdone.com\/blog\/category\/shopify-development\" class=\"advgb-post-tax-term\">Data pipelines<\/a>","<a href=\"https:\/\/getdevdone.com\/blog\/category\/shopify-development\" class=\"advgb-post-tax-term\">Retail<\/a>","<a href=\"https:\/\/getdevdone.com\/blog\/category\/shopify-development\" class=\"advgb-post-tax-term\">Shopify Plus<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">API \/ third-party integrations<\/span>","<span class=\"advgb-post-tax-term\">Architecture<\/span>","<span class=\"advgb-post-tax-term\">Data engineering<\/span>","<span class=\"advgb-post-tax-term\">Data pipelines<\/span>","<span class=\"advgb-post-tax-term\">Retail<\/span>","<span class=\"advgb-post-tax-term\">Shopify Plus<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Posted 1 year ago","modified":"Updated 6 months ago"},"absolute_dates":{"created":"Posted on December 11, 2024","modified":"Updated on October 8, 2025"},"absolute_dates_time":{"created":"Posted on December 11, 2024 11:07 am","modified":"Updated on October 8, 2025 11:32 am"},"featured_img_caption":"","series_order":"","featured_image_urls":{"thumbnail_723x315":"https:\/\/s3.amazonaws.com\/newblog.psd2html.com\/wp-content\/uploads\/2025\/10\/08111104\/Illiustration-cover-case-study-2-723x315.png","thumbnail_723x315-2x":"https:\/\/s3.amazonaws.com\/newblog.psd2html.com\/wp-content\/uploads\/2025\/10\/08111104\/Illiustration-cover-case-study-2-800x630.png","thumbnail_723x315-3x":"https:\/\/s3.amazonaws.com\/newblog.psd2html.com\/wp-content\/uploads\/2025\/10\/08111104\/Illiustration-cover-case-study-2.png","thumbnail_770x510":"https:\/\/s3.amazonaws.com\/newblog.psd2html.com\/wp-content\/uploads\/2025\/10\/08111104\/Illiustration-cover-case-study-2-770x510.png","thumbnail_770x510-2x":"https:\/\/s3.amazonaws.com\/newblog.psd2html.com\/wp-content\/uploads\/2025\/10\/08111104\/Illiustration-cover-case-study-2.png","thumbnail_770x510-3x":"https:\/\/s3.amazonaws.com\/newblog.psd2html.com\/wp-content\/uploads\/2025\/10\/08111104\/Illiustration-cover-case-study-2.png"},"featured_post_color":"#0a1c76","author_avatar":"https:\/\/secure.gravatar.com\/avatar\/7401c84439e6a6c4aa6a8ff19e0d4605c2906fb2d668abb29f831e4a5affc943?s=96&d=mm&r=g","author_position":"Account 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