{"id":16559,"date":"2026-07-02T08:35:57","date_gmt":"2026-07-02T08:35:57","guid":{"rendered":"https:\/\/e-dialog.group\/success-story\/bonprix-germany-achieves-a-30-roi-through-meridian-optimization-mmm\/"},"modified":"2026-07-02T08:36:50","modified_gmt":"2026-07-02T08:36:50","slug":"bonprix-germany-achieves-a-30-roi-through-meridian-optimization-mmm","status":"publish","type":"success-story","link":"https:\/\/e-dialog.group\/en\/success-story\/bonprix-germany-achieves-a-30-roi-through-meridian-optimization-mmm\/","title":{"rendered":"bonprix Germany Achieves a 30% ROI Through Meridian Optimization (MMM)"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><aside id=\"aside-content-block_3b5881e1ce4306174fdbc1a81040851a\" class=\"aside-content block block--aside-content\" data-title=\"\">\n  <div class=\"aside-content__content content\">\n                            <img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"370\" src=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-1024x370.png\" class=\"content__logo\" alt=\"\" srcset=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-1024x370.png 1024w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-300x109.png 300w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-768x278.png 768w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo.png 1103w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\">                                        <div class=\"content__text\"><p><strong>bonprix<\/strong><br>\nSuccess Story<\/p>\n<hr>\n<p>bonprix is a European fashion brand.<br>\nThe company is a subsidiary of the Otto Group, is headquartered in Hamburg, and operates in over 25 primarily European markets.<\/p>\n<p>Approximately 1,400 employees<br>\nbonprix.de<\/p>\n<\/div>\n                        <\/div>\n<\/aside><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\"><div id=\"basic-content-block_5bd182b7b7f448475b52ffccf427fdd1\" class=\"basic-content block block--basic-content\" data-title=\"\">\n  <div class=\"basic-content__content content\">\n    <h1>bonprix Germany Achieves a 30% ROI Through Meridian Optimization<\/h1>\n\n      <div class=\"post-meta\">\n        <div class=\"post-meta__date\">02.07.2026<\/div>\n        |\n        <div class=\"post-meta__date\">Reading time: 8 min.<\/div>\n      <\/div>\n    \n  <\/div>\n<\/div>\n\n<div id=\"blue-boxes-block_38b3513f80bdbb913b32bc5b2d10f002\" class=\"blue-boxes block block--blue-boxes\" data-title=\"\">\n  <div class=\"blue-boxes__content content content--single\">\n                  <div class=\"content__box box\">\n          <h2 class=\"box__hl\">In brief<\/h2>          <div class=\"box__content\"><p>How do you measure the true success of your marketing channels across online and offline boundaries? The European fashion brand bonprix faced this very question. Together with e-dialog, the team implemented Google&rsquo;s cutting-edge open-source MMM, &ldquo;Meridian.&rdquo; The result provides clear facts rather than gut feelings: By eliminating blind spots and leveraging an accurate data foundation, bonprix sustainably optimized its campaign performance. This led to a 6.8% increase in revenue and boosted the ROI by an impressive 30%.    <\/p>\n<\/div>\n                  <\/div>\n            <\/div>\n<\/div>\n\n<div id=\"image-fullscreen-block_a15f926c8f26b7bbc3140d25aec98e29\" class=\"image-fullscreen block block--image-fullscreen\" data-title=\"\">\n  <div class=\"image-fullscreen__content content\">\n    <img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1460\" src=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix-Meridian_processed-Teaser-e1779980759143.png\" class=\"content__img img img--desktop\" alt=\"\" srcset=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix-Meridian_processed-Teaser-e1779980759143.png 2560w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix-Meridian_processed-Teaser-e1779980759143-300x171.png 300w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix-Meridian_processed-Teaser-e1779980759143-1024x584.png 1024w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix-Meridian_processed-Teaser-e1779980759143-768x438.png 768w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix-Meridian_processed-Teaser-e1779980759143-1536x876.png 1536w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix-Meridian_processed-Teaser-e1779980759143-2048x1168.png 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\">      <\/div>\n<\/div>\n\n<div id=\"basic-content-block_61658aeea0d1016c0331e10589615d74\" class=\"basic-content block block--basic-content\" data-title=\"\">\n  <div class=\"basic-content__content content\">\n    <h2>Challenge<\/h2>\n<p>bonprix Germany faced the challenge of accurately measuring the actual value of its online and offline marketing efforts. Existing attribution models overestimated performance in the lower funnel and ignored effects in the upper funnel. In addition, earlier marketing mix models (MMMs) lacked the necessary level of detail to provide concrete recommendations for action.  <\/p>\n  <\/div>\n<\/div>\n\n<div id=\"personal-quote-block_92f6d231ef0123f57ed3ec652c32a77f\" class=\"personal-quote block block--personal-quote\" data-title=\"\">\n  <div class=\"personal-quote__content content\">\n          <img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-square-1024x1024.png\" class=\"content__img\" alt=\"\" srcset=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-square-1024x1024.png 1024w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-square-300x300.png 300w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-square-150x150.png 150w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-square-768x769.png 768w, https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/05\/bonprix_logo-square.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\">        <div class=\"content__quote quote\">\n      <svg class=\"quote__sign\" width=\"58\" height=\"54\" viewbox=\"0 0 58 54\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n        <path d=\"M51.6795 -5.52557e-07C55.8932 6.8542 58 13.7701 58 20.7479C58 26.9228 56.4509 32.8199 53.3526 38.4391C50.1923 44.1201 45.6378 49.307 39.6891 54L32.5321 49.6467C31.9124 49.2762 31.4786 48.813 31.2308 48.2573C30.9829 47.7633 30.859 47.2693 30.859 46.7753C30.859 46.2196 30.9829 45.6947 31.2308 45.2007C31.4786 44.7067 31.7575 44.2744 32.0673 43.9039C32.8729 42.9777 33.7404 41.8971 34.6699 40.6621C35.5374 39.4271 36.343 38.0686 37.0865 36.5866C37.8301 35.1664 38.4498 33.5918 38.9455 31.8628C39.4412 30.1338 39.6891 28.2813 39.6891 26.3053C39.6891 24.2058 39.3483 21.952 38.6667 19.5437C37.985 17.1973 36.8387 14.7273 35.2276 12.1338C34.6699 11.2693 34.391 10.4048 34.391 9.54031C34.391 7.56433 35.5064 6.17496 37.7372 5.37221L51.6795 -5.52557e-07ZM20.8205 -3.25033e-06C25.0342 6.8542 27.141 13.7701 27.141 20.7479C27.141 26.9228 25.5919 32.8199 22.4936 38.4391C19.3333 44.1201 14.7789 49.307 8.83014 54L1.67308 49.6467C1.05342 49.2762 0.61966 48.813 0.371796 48.2573C0.123932 47.7633 5.88416e-07 47.2693 6.31603e-07 46.7753C6.80188e-07 46.2195 0.123933 45.6947 0.371796 45.2007C0.61966 44.7067 0.898507 44.2744 1.20834 43.9039C2.01389 42.9777 2.88141 41.8971 3.8109 40.6621C4.67842 39.4271 5.48398 38.0686 6.22757 36.5866C6.97116 35.1664 7.59082 33.5918 8.08654 31.8628C8.58227 30.1338 8.83014 28.2813 8.83014 26.3053C8.83014 24.2058 8.48933 21.952 7.8077 19.5437C7.12608 17.1972 5.9797 14.7273 4.36859 12.1338C3.8109 11.2693 3.53206 10.4048 3.53206 9.54031C3.53206 7.56432 4.64745 6.17496 6.87822 5.37221L20.8205 -3.25033e-06Z\" fill=\"#3EA5EB\"><\/path>\n      <\/svg>\n              <div class=\"quote__text\"><p>Meridian has helped us reduce remaining blind spots. The model gives us a more consistent and comparable view of ROI across all channels. It confirmed existing hypotheses while also highlighting uncertainties and untapped potential. For us, this was a crucial step toward strengthening our decision-making process.   <\/p>\n<\/div>\n                    <div class=\"quote__name\">Cristina Schmidt<\/div>\n                    <div class=\"quote__position\">Senior Digital Marketing Manager, bonprix<\/div>\n                <\/div>\n  <\/div>\n<\/div>\n\n<div id=\"basic-content-block_7c19ccbb48540eaafa5032e190fd9b47\" class=\"basic-content block block--basic-content\" data-title=\"\">\n  <div class=\"basic-content__content content\">\n    <h2>Measures<\/h2>\n<p>To implement Meridian as a marketing mix model, bonprix partnered with the certified expert e-dialog. Meridian&rsquo;s open-source Bayesian approach enabled bonprix to integrate existing knowledge, customize the model, and precisely measure channel efficiency. The team also used the integrated budget optimization feature to analyze various scenarios.  <\/p>\n<p><em>e-dialog is a certified Meridian partner with years of MMM experience. Its services cover the entire end-to-end setup as well as modeling. In addition, the digital agency provides support through incremental testing and strategic marketing consulting.  <\/em><\/p>\n  <\/div>\n<\/div>\n\n<div id=\"logos-static-block_87c7995b84753e14c2c2ade70acbd6a0\" class=\"logos-static block block--logos-static\" data-title=\"\">\n  <div class=\"logos-static__content content\">\n                  <div class=\"content__logo logo\">\n          <img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"337\" src=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/11\/Meridian-logo-1024x337.png\" class=\"attachment-large size-large\" alt=\"Meridian Logo\" srcset=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/11\/Meridian-logo-1024x337.png 1024w, https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/11\/Meridian-logo-300x99.png 300w, https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/11\/Meridian-logo-768x253.png 768w, https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/11\/Meridian-logo.png 1520w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\">                            <\/div>\n            <\/div>\n<\/div>\n\n<div id=\"basic-content-block_082710a203db507d35e944860cfc7f0e\" class=\"basic-content block block--basic-content\" data-title=\"\">\n  <div class=\"basic-content__content content\">\n    <h2>Results<\/h2>\n<p>After data cleaning and the configuration of Bayesian priors and control variables, three years of marketing data from over 40 channels were consolidated into 13 variables. This Meridian MMM successfully accounted for 88% of revenue. By accurately depicting ROIs and saturation curves, the model enabled media optimizations that resulted in a 6.8% increase in incremental revenue and a 30% increase in ROI. Going forward, bonprix will continue to use Google&rsquo;s Meridian-MMM for ongoing model calculations and strategic media planning.   <\/p>\n  <\/div>\n<\/div>\n\n  <div id=\"kpi-large-block_9faabc9658be330792a5787ab42cc4bf\" class=\"kpi-large block block--kpi-large\" data-title=\"\">\n    <div class=\"kpi-large__content content\">\n      <ul>\n                  <li class=\"content__kpi kpi\">\n            <span class=\"kpi__main main\">\n                              <svg viewbox=\"0 0 44 43\">\n                  <use xlink:href=\"#plus\"><\/use>\n                <\/svg>\n                            <span data-count=\"30\"><\/span>\n                              <span>%<\/span>\n                          <\/span>\n                          <span class=\"kpi__hl\">ROI<\/span>\n                                  <\/li>\n                  <li class=\"content__kpi kpi\">\n            <span class=\"kpi__main main\">\n                              <svg viewbox=\"0 0 44 43\">\n                  <use xlink:href=\"#plus\"><\/use>\n                <\/svg>\n                            <span data-count=\"6.8\"><\/span>\n                              <span>%<\/span>\n                          <\/span>\n                          <span class=\"kpi__hl\">additional revenue<\/span>\n                                  <\/li>\n                  <li class=\"content__kpi kpi\">\n            <span class=\"kpi__main main\">\n                            <span data-count=\"88\"><\/span>\n                              <span>%<\/span>\n                          <\/span>\n                          <span class=\"kpi__hl\">Revenue<\/span>\n                                      <span class=\"kpi__sl\">included in the model<\/span>\n                      <\/li>\n              <\/ul>\n    <\/div>\n  <\/div>\n\n\n<div id=\"teaser-slim-block_1cf8dda4e6e071788470d61f3ccbd575\" class=\"teaser-slim block block--teaser-slim block--increase-margin\" data-title=\"Teaser Contact\">\n  <div class=\"teaser-slim__content content\">\n    <div class=\"content__img\">\n              <img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"862\" src=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/12\/e-dialog-image-photos-8781-by-AlissarNajjar-flipped-1-1024x862.png\" class=\"attachment-large size-large\" alt=\"e-dialog office Vienna\" srcset=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/12\/e-dialog-image-photos-8781-by-AlissarNajjar-flipped-1-1024x862.png 1024w, https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/12\/e-dialog-image-photos-8781-by-AlissarNajjar-flipped-1-300x252.png 300w, https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/12\/e-dialog-image-photos-8781-by-AlissarNajjar-flipped-1-768x646.png 768w, https:\/\/e-dialog.group\/wp-content\/uploads\/2025\/12\/e-dialog-image-photos-8781-by-AlissarNajjar-flipped-1.png 1388w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\">          <\/div>\n    <div class=\"content__info info\">\n              <svg class=\"info__decoration\" width=\"267\" height=\"127\" viewbox=\"0 0 267 127\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n          <path d=\"M151.031 29C218.027 29 272.138 83.0603 272.138 149.5C272.138 215.94 218.027 270 151.031 270C84.0352 270 29.9248 215.94 29.9248 149.5C29.9248 83.0603 84.0352 29 151.031 29Z\" stroke=\"#FBC105\" stroke-width=\"58\"><\/path>\n        <\/svg>\n                    <div class=\"info__sl\">No two challenges are the same. 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11.5962 6.46447 11.5962 6.75736 11.3033L11.5303 6.53033ZM1 6.75L11 6.75L11 5.25L1 5.25L1 6.75Z\"><\/path>\n            <\/svg>\n          <\/div>\n          <a href=\"https:\/\/e-dialog.group\/en\/news\/ella-papadakis-to-become-the-new-director-of-business-strategy-at-e-dialog-switzerland\/\" aria-label=\"Ella Papadakis to Become the New Director of Business Strategy at e-dialog Switzerland\"><\/a>\n        <\/div>\n                      <div class=\"posts-teaser__post-teaser post-teaser post-teaser--logo\">\n                      <div class=\"post-teaser__img\">\n              <img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"233\" src=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/06\/o2-Telefonica-OREO_processed-300x233.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/e-dialog.group\/wp-content\/uploads\/2026\/06\/o2-Telefonica-OREO_processed-300x233.png 300w, 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