diff --git a/b2b-marketing-assistant/services/export.ts b/b2b-marketing-assistant/services/export.ts
new file mode 100644
index 00000000..456131ea
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+++ b/b2b-marketing-assistant/services/export.ts
@@ -0,0 +1,68 @@
+import type { AnalysisData, AnalysisStep } from './types';
+
+const sanitizeCellForMarkdown = (cell: string) => cell.replace(/\|/g, '\\|').replace(/\n/g, '<br>');
+
+export const tableToMarkdown = (step: AnalysisStep): string => {
+    if (!step.rows || step.rows.length === 0) return '';
+
+    const headers = `| ${step.headers.map(sanitizeCellForMarkdown).join(' | ')} |`;
+    const separator = `| ${step.headers.map(() => '---').join(' | ')} |`;
+    const rows = step.rows
+        .map(row => `| ${row.map(sanitizeCellForMarkdown).join(' | ')} |`)
+        .join('\n');
+
+    return `${headers}\n${separator}\n${rows}`;
+};
+
+export const generateMarkdown = (data: AnalysisData, titles: Record<keyof AnalysisData, string>, summaryTitle: string): string => {
+    let markdownContent = '# B2B Marketing Analysis Report\n\n';
+
+    const stepOrder: (keyof AnalysisData)[] = ['offer', 'targetGroups', 'personas', 'painPoints', 'gains', 'messages'];
+    
+    for (const key of stepOrder) {
+        const step = data[key];
+        const title = titles[key];
+        if (!step) continue;
+
+        markdownContent += `## ${title}\n\n`;
+
+        if (step.summary && step.summary.length > 0) {
+            markdownContent += `**${summaryTitle}**\n`;
+            markdownContent += step.summary.map(item => `- ${item}`).join('\n');
+            markdownContent += `\n\n`;
+        }
+
+        markdownContent += tableToMarkdown(step);
+        markdownContent += `\n\n---\n\n`;
+    }
+
+    return markdownContent;
+};
+
+export const downloadFile = (content: string, filename: string, mimeType: string) => {
+    const blob = new Blob([content], { type: mimeType });
+    const link = document.createElement('a');
+    link.href = URL.createObjectURL(blob);
+    link.download = filename;
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+    URL.revokeObjectURL(link.href);
+};
+
+export const convertArrayToTsv = (headers: string[], rows: string[][]): string => {
+    const sanitizeCell = (cell: string) => {
+        let cleanCell = cell.replace(/\r?\n|\r/g, ' ').replace(/\t/g, ' ');
+        if (cleanCell.includes('"')) {
+            cleanCell = `"${cleanCell.replace(/"/g, '""')}"`;
+        }
+        return cleanCell;
+    };
+    
+    const headerRow = headers.map(sanitizeCell).join('\t');
+    const dataRows = rows.map(row => 
+        row.map(sanitizeCell).join('\t')
+    ).join('\n');
+
+    return `${headerRow}\n${dataRows}`;
+};
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