{"id":3079,"date":"2024-05-12T16:58:29","date_gmt":"2024-05-12T14:58:29","guid":{"rendered":"https:\/\/www.5thfloor.be\/"},"modified":"2026-05-28T17:19:38","modified_gmt":"2026-05-28T15:19:38","slug":"payment-hub-belgian-public-sector","status":"publish","type":"post","link":"https:\/\/www.5thfloor.be\/payment-hub-belgian-public-sector\/","title":{"rendered":"A payment hub for the Belgian public sector"},"content":{"rendered":"<p class=\"wp-block-paragraph\">An older SAP version with limited integration capabilities. Several business applications, each managing its own payments to SAP with varying levels of integration. A legal requirement for dual validation on every payment order. And no way to see, in one place, what was being paid across the organization.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That was the situation a Belgian public service institution asked 5th floor to address. The institution processes a large volume of payments tied to several business processes: subsidies, exceptional bonuses, expense reimbursements, ad-hoc payments. SAP sat at the centre of all of it, but every business application had to integrate with SAP on its own terms. The result was uneven coverage, a heavy compliance burden, and no consolidated view of payment flows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5th floor hebben we de Finance Hub ontworpen en gebouwd: een tussenplatform dat tussen de bedrijfsapplicaties en SAP in staat, de betalingsstromen centraliseert en ervoor zorgt dat aan de compliance-eisen wordt voldaan – en wel één keer, in plaats van in elke afzonderlijke applicatie. De Hub verwerkt maandelijks ongeveer 30 miljoen euro aan betalingen, wat neerkomt op zo’n 350 betalingsopdrachten per dag. SAP fungeert nog steeds als het primaire boekhoudsysteem. De rest van het applicatieportfolio is er niet langer rechtstreeks van afhankelijk.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">De vier problemen waarvoor de Hub is opgezet<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In de verkenningsfase zijn vier structurele belemmeringen vastgesteld:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>An outdated SAP version<\/strong> with limited integration capabilities, which made every new connection a custom project.<\/li>\n\n\n\n<li><strong>Decentralized payment handling.<\/strong> Each business application carried its own integration with SAP, with coverage that varied from one to the next.<\/li>\n\n\n\n<li><strong>A compliance burden.<\/strong> The four-eyes principle (dual validation on payment liquidation) is a legal requirement, but enforcing it consistently across applications was difficult.<\/li>\n\n\n\n<li><strong>No consolidated view<\/strong> of financial flows transiting through the organization.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Deze vier beperkingen hebben geleid tot vier strategische doelstellingen: het centraliseren van financiële en boekhoudkundige gegevens, het vereenvoudigen van de dagelijkse werkzaamheden voor financiële teams en budgetverantwoordelijken, het waarborgen en automatiseren van controles door middel van gedetailleerd toegangsbeheer, en het verminderen van de directe afhankelijkheid van SAP in de rest van de portfolio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">De Finance Hub: een platform dat bedrijfsapps en SAP met elkaar verbindt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Hub acts as a strategic intermediary between business applications and SAP. It exposes a standardized, business-oriented API on one side, and handles all SAP interactions on the other. Business applications no longer speak SAP. They speak Hub.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Het platform is opgebouwd rond vier functionele bouwstenen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Reception and validation.<\/strong> All payment orders, whatever their business origin, come in through a single entry point. The Hub validates structure, business rules, and budgetary references before anything else happens.<\/li>\n\n\n\n<li><strong>Liquidation workflow with dual validation.<\/strong> The four-eyes principle is enforced inside the Hub, with a complete audit trail.<\/li>\n\n\n\n<li><strong>Transfer to SAP.<\/strong> Once an order is validated, the Hub automatically generates the ordonnancement report and transfers it to SAP.<\/li>\n\n\n\n<li><strong>Real-time tracking.<\/strong> Any business application can check the status of a payment at any moment, through the API.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Around these four bricks, the Hub also centralizes the financial reference data that used to be configured in SAP: general accounts, budget items, programmes, commitments. Finance agents manage this data through a unified interface, directly in the Hub. The dependency on SAP for day-to-day configuration is drastically reduced.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elke transactie die via de Hub verloopt, wordt bijgehouden en kan worden geanalyseerd. Deze gebundelde transactiegeschiedenis vormt de basis voor de rapportage en business intelligence van de instelling, waardoor besluitvormers inzicht krijgen in financiële stromen die voorheen niet zichtbaar waren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hoe ‘ 5th floor ’ dit heeft gerealiseerd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Hub was built with an agile, iterative approach.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Discovery and design.<\/strong> Collaborative workshops with the business and finance teams mapped the existing payment processes in depth. The goal was to design a solution that fit the operational context, not to impose a template.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>MVP starting with the highest-volume flow.<\/strong> The first production release covered subsidies, the largest payment type by financial volume. Shipping that flow first delivered visible value quickly and reduced risk on the rest of the roadmap.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Geleidelijke implementatie in vier fasen.<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Phase 1: Core liquidation and validation features, with SAP report generation.<\/li>\n\n\n\n<li>Phase 2: Extension to other payment types (reimbursements, bonuses, exceptional payments).<\/li>\n\n\n\n<li>Phase 3: Search and order history functionality.<\/li>\n\n\n\n<li>Fase 4: Beheer- en configuratiemodules voor financiële referentiegegevens.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>UX co-creation.<\/strong> Each screen was designed alongside the finance agents and business experts who would use it. The result is an interface that users adopted without a formal training programme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DevOps and continuous delivery.<\/strong> Short development cycles, regular user testing, and frequent production releases were paired with close support from the 5th floor team at each go-live. Feedback collected after each release fed directly into the next iteration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Technische architectuur<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Component<\/strong><\/td><td><strong>Technologieën<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Backend<\/td><td>Java \/ REST microservices<\/td><\/tr><tr><td>Frontend<\/td><td>Angular<\/td><\/tr><tr><td>DevOps<\/td><td>CI\/CD pipelines<\/td><\/tr><tr><td>Architecture<\/td><td>Modulaire, uitbreidbare microservices<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De microservices zijn ingedeeld per bedrijfsdomein, waardoor elke module afzonderlijk onderhoudbaar blijft. De Hub is bovendien geïntegreerd met de bredere digitale omgeving van de instelling: documentbeheer (GED) voor ondersteunende documenten, de gecentraliseerde referentie voor begunstigden en het organigram, en de BI-tools die de geconsolideerde betalingsgegevens verwerken.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Resultaten<\/h2>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>30M\u20ac \/ month<\/strong><\/td><td><strong>350 orders \/ day<\/strong><\/td><td><strong>Brillie<\/strong><\/td><td><strong>SAP-afhankelijkheid<\/strong><\/td><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">in payment volume routed through the Hub<\/td><td>processed with full traceability<\/td><td>enforced systematically, with audit trail<\/td><td>aanzienlijk verminderd voor zakelijke toepassingen<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Naast de volumestatistieken zijn ook de operationele voordelen tastbaar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Regulatory compliance<\/strong> is now systematic, with a complete audit trail rather than application-by-application implementations.<\/li>\n\n\n\n<li><strong>Operational efficiency.<\/strong> Validation and liquidation are streamlined and accelerated.<\/li>\n\n\n\n<li><strong>Business team autonomy.<\/strong> Applications no longer require SAP expertise to handle their payments.<\/li>\n\n\n\n<li><strong>Visibility.<\/strong> A real-time, consolidated view of every financial flow, available to decision-makers.<\/li>\n\n\n\n<li><strong>Risk reduction.<\/strong> Control automation removes the manual errors that used to slip through.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">De acceptatie was groot. De gezamenlijke ontwikkeling met eindgebruikers zorgde ervoor dat de leercurve minimaal was en dat alle betrokkenen het systeem snel in gebruik namen.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-uagb-image uagb-block-e5c6cb42 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><noscript><img decoding=\"async\" src=\"https:\/\/www.5thfloor.be\/wp-content\/uploads\/2026\/05\/case-study-finance-hub-768x1024.png\" alt="" class=\"uag-image-3083\" width=\"896\" height=\"1194\" title=\"case-study-finance-hub\" loading=\"lazy\" role=\"img\"><\/noscript><img decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20896%201194%22%3E%3C%2Fsvg%3E\" alt="" class=\"uag-image-3083 lazyload\" width=\"896\" height=\"1194\" title=\"case-study-finance-hub\" loading=\"lazy\" role=\"img\" data-src=\"https:\/\/www.5thfloor.be\/wp-content\/uploads\/2026\/05\/case-study-finance-hub-768x1024.png\"><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-uagb-buttons uagb-buttons__outer-wrap uagb-btn__medium-btn uagb-btn-tablet__default-btn uagb-btn-mobile__default-btn uagb-block-c2e57e2d\"><div class=\"uagb-buttons__wrap uagb-buttons-layout-wrap \">\n<div class=\"wp-block-uagb-buttons-child uagb-buttons__outer-wrap uagb-block-76e3aff5 wp-block-button\"><div class=\"uagb-button__wrapper\"><a class=\"uagb-buttons-repeater wp-block-button__link\" aria-label href=\"https:\/\/www.5thfloor.be\/wp-content\/uploads\/2026\/05\/5thfloor_CaseStudies_flux-de-paiement-centralise\u0301s-2.pdf\" rel=\"follow noopener\" target=\"_self\" role=\"button\"><div class=\"uagb-button__link\">Download de casus<\/div><\/a><\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">De stand van zaken bij het project<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De Finance Hub is een volwassen product. De belangrijkste functionaliteiten zijn aanwezig en het platform is stabiel. 5th floor zet de samenwerking voort door middel van correctief onderhoud, kleine functionele aanpassingen wanneer er nieuwe behoeften ontstaan, technologische upgrades van frameworks (Angular en andere) en afhankelijkheden, en dagelijkse gebruikersondersteuning om de productiviteit van de teams te waarborgen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wat dit project aantoont<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De Finance Hub laat zien hoe 5th floor omgaat met complexe zakelijke en regelgevende omgevingen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Deeply understand the business and compliance constraints before writing code.<\/li>\n\n\n\n<li>Design robust solutions for critical financial volumes.<\/li>\n\n\n\n<li>Apply an agile method with real co-creation and short iterations.<\/li>\n\n\n\n<li>Integrate cleanly into existing ecosystems rather than replacing them.<\/li>\n\n\n\n<li>Blijf ook lang na de ingebruikname betrokken, zodat de oplossing blijvend resultaat oplevert.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Afgezien van de technologie is het project een schoolvoorbeeld van samenwerking. De gebruikers stonden gedurende het hele ontwerpproces centraal. Het succes van de Hub is evenzeer te danken aan de werkrelatie met de opdrachtgever als aan de technische uitvoering.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wil je meer weten?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Get in touch via <a href=\"mailto:sales@5thfloor.be\">sales@5thfloor.be<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An older SAP version with limited integration capabilities. Several business applications, each managing its own payments to SAP with varying levels of integration. A legal requirement for dual validation on every payment order. And no way to see, in one place, what was being paid across the organization. That was the situation a Belgian public […]<\/p>\n","protected":false},"author":6,"featured_media":3084,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_uag_custom_page_level_css":"","_post_is_featured":"","_post_subtitle":"How 5th floor centralized 30M\u20ac in monthly payment flows","_post_team_members":[],"_post_wp_authors":[6],"_post_external_authors":[],"footnotes":""},"categories":[49],"tags":[],"class_list":["post-3079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects"],"yoast_head":"\n<title>Betalingsplatform voor de Belgische publieke sector | 5th floor<\/title>\n<meta name=\"description\" content=\"The finance hub, a payment hub built by 5th floor for the belgian public sector. centralizes 30m\u20ac\month and enforces dual-control compliance.\" \>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \>\n<link rel=\"canonical\" href=\"https:\/\/www.5thfloor.be\/payment-hub-belgian-public-sector\/\" \>\n<meta property=\"og:locale\" content=\"en_GB\" \>\n<meta property=\"og:type\" content=\"article\" \>\n<meta property=\"og:title\" content=\"Payment hub for the belgian public sector | 5th floor\" \>\n<meta property=\"og:description\" content=\"The finance hub, a payment hub built by 5th floor for the belgian public sector. centralizes 30m\u20ac\month and enforces dual-control compliance.\" \>\n<meta property=\"og:url\" content=\"https:\/\/www.5thfloor.be\/payment-hub-belgian-public-sector\/\" \>\n<meta property=\"og:site_name\" content=\"5th floor\" \>\n<meta property=\"article:published_time\" content=\"2024-05-12T14:58:29+00:00\" \>\n<meta property=\"article:modified_time\" content=\"2026-05-28T15:19:38+00:00\" \>\n<meta property=\"og:image\" content=\"https:\/\/www.5thfloor.be\/wp-content\/uploads\/2026\/05\/cover-case-study-finance-hub.png\" \>\n\t<meta property=\"og:image:width\" content=\"1194\" \>\n\t<meta property=\"og:image:height\" content=\"896\" \>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \>\n<meta name=\"author\" content=\"Web 5thfloor\" \>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \>\n<meta name=\"twitter:label1\" content=\"Written by\" \>\n\t<meta name=\"twitter:data1\" content=\"Web 5thfloor\" \>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/payment-hub-belgian-public-sector\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/payment-hub-belgian-public-sector\\\/\"},\"author\":{\"name\":\"Web 5thfloor\",\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/#\\\/schema\\\/person\\\/17a20a7d4f038a3ad7865df9cc603352\"},\"headline\":\"A payment hub for the Belgian public sector\",\"datePublished\":\"2024-05-12T14:58:29+00:00\",\"dateModified\":\"2026-05-28T15:19:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/payment-hub-belgian-public-sector\\\/\"},\"wordCount\":1097,\"publisher\":{\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/payment-hub-belgian-public-sector\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.5thfloor.be\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/cover-case-study-finance-hub.png\",\"articleSection\":[\"Projects\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/payment-hub-belgian-public-sector\\\/\",\"url\":\"https:\\\/\\\/www.5thfloor.be\\\/payment-hub-belgian-public-sector\\\/\",\"name\":\"Payment hub for the Belgian public sector | 5th floor\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/payment-hub-belgian-public-sector\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.5thfloor.be\\\/payment-hub-belgian-public-sector\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.5thfloor.be\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/cover-case-study-finance-hub.png\",\"datePublished\":\"2024-05-12T14:58:29+00:00\",\"dateModified\":\"2026-05-28T15:19:38+00:00\",\"description\":\"The Finance Hub, a payment hub built by 5th floor for the Belgian public sector. 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