diff --git a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/ComparisonMatrix.tsx b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/ComparisonMatrix.tsx
index 5385052..930a10a 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/ComparisonMatrix.tsx
+++ b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/ComparisonMatrix.tsx
@@ -78,6 +78,11 @@ export function ComparisonMatrix({ matrix, currencyRates, isRestrictedView, adat
                       <span className={styles.supplierName}>{s.name}</span>
                       {isRec && <span className={styles.recommendedBadge}>Рекомендуется</span>}
                     </div>
+                    {matrix.columnLabels[s.id] && (
+                      <div className={styles.supplierFileLabel} title={matrix.columnLabels[s.id]}>
+                        {matrix.columnLabels[s.id]}
+                      </div>
+                    )}
                     <div className={styles.supplierMetaRow}>
                       <AdataIndicator supplier={s} state={adata.adataMap[s.id]} onCheck={() => void adata.checkSupplier(s.id)} />
                       {currency !== 'KZT' && <span className={styles.currencyTag}>{currency}</span>}
diff --git a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/CriteriaTable.tsx b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/CriteriaTable.tsx
index 92985cb..274d900 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/CriteriaTable.tsx
+++ b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/CriteriaTable.tsx
@@ -13,7 +13,7 @@ interface Props {
 // Перенесено 1:1 из Step3ComparisonTable (§стайл-гайд: чистая вёрстка, логика — в useStep3Matrix).
 export function CriteriaTable({ matrix }: Props): JSX.Element | null {
   const {
-    isReadOnly, suppliersWithOffer, criteriaMap, customCriteria, newCriteriaLabel,
+    isReadOnly, suppliersWithOffer, columnDisplayNames, criteriaMap, customCriteria, newCriteriaLabel,
     setNewCriteriaLabel, updateCriteriaValue, updateCustomCriteriaValue,
     handleAddCustomCriteria, handleRemoveCustomCriteria,
   } = matrix;
@@ -38,7 +38,7 @@ export function CriteriaTable({ matrix }: Props): JSX.Element | null {
             <tr>
               <th className={styles.criteriaLabelHeader} />
               {suppliersWithOffer.map(s => (
-                <th key={s.id} className={styles.criteriaSupplierHeader}>{s.name}</th>
+                <th key={s.id} className={styles.criteriaSupplierHeader}>{columnDisplayNames[s.id] ?? s.name}</th>
               ))}
             </tr>
           </thead>
diff --git a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/Step3ComparisonTable.module.scss b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/Step3ComparisonTable.module.scss
index 5922478..162b95e 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/Step3ComparisonTable.module.scss
+++ b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/Step3ComparisonTable.module.scss
@@ -170,6 +170,17 @@
   color: $text;
 }
 
+// Файл КП под названием — только у поставщика с несколькими КП (несколько колонок). Длинное имя
+// файла обрезаем многоточием, полное — в title.
+.supplierFileLabel {
+  max-width: 100%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-size: 11px;
+  color: $muted;
+}
+
 .recommendedBadge {
   font-size: 10px;
   font-weight: 600;
diff --git a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/Step3ComparisonTable.tsx b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/Step3ComparisonTable.tsx
index 8f70504..3509ec1 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/Step3ComparisonTable.tsx
+++ b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/Step3ComparisonTable.tsx
@@ -46,7 +46,7 @@ export const Step3ComparisonTable: React.FC<Props> = ({
   const {
     isReadOnly, newSupplierName, newSupplierCurrency, setNewSupplierName, setNewSupplierCurrency,
     handleAddSupplier, handleAddSupplierFromDatabase, translateUnits, setTranslateUnits, isSaving, saveError, setSaveError, handleSave,
-    extraPositions, suppliersWithOffer, allPositions, computedOffers, selectedSupplierId,
+    extraPositions, suppliersWithOffer, columnDisplayNames, allPositions, computedOffers, selectedSupplierId,
   } = matrix;
 
   // Проверка контрагентов в Adata вынесена в хук.
@@ -75,14 +75,15 @@ export const Step3ComparisonTable: React.FC<Props> = ({
       ],
       suppliers: suppliersWithOffer
         .map(s => ({
-          name: s.name,
+          // Различимое имя: у поставщика с несколькими КП иначе в тексте будут два одинаковых.
+          name: columnDisplayNames[s.id] ?? s.name,
           grandTotal: allPositions.reduce((sum, pos) => {
             const posOffers = computedOffers.filter(o => o.supplierId === s.id && o.positionId === pos.id);
             return sum + posOffers.reduce((s2, o) => s2 + (o.totalWithExtraKzt ?? 0), 0);
           }, 0),
         }))
         .filter(s => s.grandTotal > 0),
-      recommendedSupplier: suppliersWithOffer.find(s => s.id === selectedSupplierId)?.name,
+      recommendedSupplier: selectedSupplierId ? (columnDisplayNames[selectedSupplierId] ?? undefined) : undefined,
     }),
     onPdfError: setSaveError,
   });
diff --git a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useAdataCheck.ts b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useAdataCheck.ts
index e1fc854..07c387d 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useAdataCheck.ts
+++ b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useAdataCheck.ts
@@ -1,6 +1,7 @@
 import { useState, useEffect, useCallback, useRef } from 'react';
 import { CtService } from '../../services/CtService';
 import { AdataCompanyInfo, Supplier } from '../types/domain';
+import { findSiblingColumnIds } from '../utils/supplierColumns';
 
 export interface AdataSupplierState {
   bin?: string;
@@ -38,16 +39,19 @@ export function useAdataCheck(service: CtService, suppliers: Supplier[]): UseAda
       .then(rows => {
         setAdataMap(prev => {
           const next = { ...prev };
+          // Кэш — на компанию: у поставщика с несколькими КП он нужен каждой его колонке.
           rows.forEach(r => {
-            const sup = suppliersRef.current.find(s => s.spId === r.supplierSpId);
-            if (!sup) return;
-            next[sup.id] = {
-              ...next[sup.id],
-              bin: r.bin,
-              data: r.adataData,
-              checkedAt: r.adataCheckedAt,
-              isLoading: false,
-            };
+            suppliersRef.current
+              .filter(s => s.spId === r.supplierSpId)
+              .forEach(sup => {
+                next[sup.id] = {
+                  ...next[sup.id],
+                  bin: r.bin,
+                  data: r.adataData,
+                  checkedAt: r.adataCheckedAt,
+                  isLoading: false,
+                };
+              });
           });
           return next;
         });
@@ -63,22 +67,40 @@ export function useAdataCheck(service: CtService, suppliers: Supplier[]): UseAda
       setAdataMap(prev => ({ ...prev, [supplierId]: { ...prev[supplierId], isLoading: false, error: 'БИН поставщика неизвестен — проверка недоступна' } }));
       return;
     }
-    setAdataMap(prev => ({ ...prev, [supplierId]: { ...prev[supplierId], bin, isLoading: true, error: undefined } }));
+    // Adata проверяет компанию — результат раздаём всем колонкам этого поставщика (несколько КП).
+    const columnIds = findSiblingColumnIds(suppliersRef.current, supplierId);
+    const patchColumns = (state: (prevState: AdataSupplierState | undefined) => AdataSupplierState): void => {
+      setAdataMap(prev => {
+        const next = { ...prev };
+        columnIds.forEach(id => { next[id] = state(prev[id]); });
+        return next;
+      });
+    };
+    patchColumns(prevState => ({ ...prevState, bin, isLoading: true, error: undefined }));
     try {
       const data = await service.fetchAdataInfo(bin);
       const checkedAt = new Date().toISOString();
-      setAdataMap(prev => ({ ...prev, [supplierId]: { bin, data, checkedAt, isLoading: false } }));
+      patchColumns(() => ({ bin, data, checkedAt, isLoading: false }));
       if (sup.spId !== undefined) {
         service.saveAdataResult(sup.spId, data).catch(() => undefined);
       }
     } catch (err) {
-      setAdataMap(prev => ({ ...prev, [supplierId]: { ...prev[supplierId], bin, isLoading: false, error: (err as Error).message } }));
+      patchColumns(prevState => ({ ...prevState, bin, isLoading: false, error: (err as Error).message }));
     }
   }, [service]);
 
   const checkAllSuppliers = useCallback(async (): Promise<void> => {
     setIsCheckingAll(true);
-    const targets = suppliersRef.current.filter(s => s.hasOffer && (adataMapRef.current[s.id]?.bin ?? s.bin));
+    // Одна проверка на компанию: колонки того же поставщика получат результат через checkSupplier.
+    const checkedSpIds = new Set<number>();
+    const targets = suppliersRef.current
+      .filter(s => s.hasOffer && (adataMapRef.current[s.id]?.bin ?? s.bin))
+      .filter(s => {
+        if (s.spId === undefined) return true;
+        if (checkedSpIds.has(s.spId)) return false;
+        checkedSpIds.add(s.spId);
+        return true;
+      });
     await Promise.all(targets.map(s => checkSupplier(s.id)));
     setIsCheckingAll(false);
   }, [checkSupplier]);
diff --git a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useRecommendedPick.ts b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useRecommendedPick.ts
index 99f03a4..fa1f61b 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useRecommendedPick.ts
+++ b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useRecommendedPick.ts
@@ -30,7 +30,7 @@ export function useRecommendedPick(service: CtService, matrix: Step3Matrix): Use
   const [pickError, setPickError] = useState<string | undefined>(undefined);
   const [recommendedId, setRecommendedId] = useState<string | undefined>(undefined);
 
-  const { suppliersWithOffer, criteriaMap, computedOffers, allPositions, setSelectedSupplierId } = matrix;
+  const { suppliersWithOffer, columnDisplayNames, criteriaMap, computedOffers, allPositions, setSelectedSupplierId } = matrix;
 
   const allPaymentTermsFilled = suppliersWithOffer.length > 0
     && suppliersWithOffer.every(s => (criteriaMap[s.id]?.paymentType ?? '').trim().length > 0);
@@ -43,7 +43,8 @@ export function useRecommendedPick(service: CtService, matrix: Step3Matrix): Use
       const totals = suppliersWithOffer
         .map(s => ({
           id: s.id,
-          name: s.name,
+          // Различимое имя: ответ ИИ сопоставляется по имени, у поставщика с несколькими КП оно повторяется.
+          name: columnDisplayNames[s.id] ?? s.name,
           paymentType: criteriaMap[s.id]?.paymentType ?? '',
           total: allPositions.reduce((sum, pos) => {
             const posOffers = computedOffers.filter(o => o.supplierId === s.id && o.positionId === pos.id);
@@ -81,7 +82,7 @@ export function useRecommendedPick(service: CtService, matrix: Step3Matrix): Use
     } finally {
       setIsPicking(false);
     }
-  }, [allPaymentTermsFilled, suppliersWithOffer, criteriaMap, computedOffers, allPositions, service, setSelectedSupplierId]);
+  }, [allPaymentTermsFilled, suppliersWithOffer, columnDisplayNames, criteriaMap, computedOffers, allPositions, service, setSelectedSupplierId]);
 
   return { isPicking, pickError, allPaymentTermsFilled, recommendedId, pickRecommendedSupplier };
 }
diff --git a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useStep3Matrix.ts b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useStep3Matrix.ts
index 432099c..0edce42 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useStep3Matrix.ts
+++ b/src/webparts/ctFormsPortal/forms/ct/components/Step3ComparisonTable/useStep3Matrix.ts
@@ -6,7 +6,7 @@ import { CTFormData } from '../hooks/useCtForm';
 import { ExtraSupplier, ExtraPosition, PositionRow, CellEdit, EditableOffers, CriteriaEntry } from './matrixTypes';
 import { applyCreatedIds, buildOfferKey, computeOffer } from './matrixHelpers';
 import { IVendorRecord } from '../../services/VendorDatabaseService';
-import { findColumnForRecord } from '../utils/supplierColumns';
+import { buildColumnDisplayNames, buildColumnLabels, findColumnForRecord } from '../utils/supplierColumns';
 
 let extraIdCounter = 0;
 
@@ -310,6 +310,17 @@ export function useStep3Matrix(args: UseStep3MatrixArgs) {
     })),
   ], [suppliers, extraSuppliers]);
 
+  // У поставщика может быть несколько КП (колонок) — подписываем их файлом КП, а в текстах и ИИ
+  // используем различимые имена «Название (файл)».
+  const columnLabels = useMemo(
+    () => buildColumnLabels(suppliersWithOffer, formData.uploadedKpFiles ?? []),
+    [suppliersWithOffer, formData.uploadedKpFiles],
+  );
+  const columnDisplayNames = useMemo(
+    () => buildColumnDisplayNames(suppliersWithOffer, columnLabels),
+    [suppliersWithOffer, columnLabels],
+  );
+
   const allPositions = useMemo((): PositionRow[] => {
     // Extra positions take priority: if a selected position shares a name with an extra, hide it from the regular section
     const extraNames = new Set(extraPositions.map(ep => ep.materialName.toLowerCase().trim()));
@@ -888,6 +899,8 @@ export function useStep3Matrix(args: UseStep3MatrixArgs) {
     setSaveError,
     // derived
     suppliersWithOffer,
+    columnLabels,
+    columnDisplayNames,
     allPositions,
     regularPositions,
     extraPositionsRows,
diff --git a/src/webparts/ctFormsPortal/forms/ct/components/utils/supplierColumns.test.ts b/src/webparts/ctFormsPortal/forms/ct/components/utils/supplierColumns.test.ts
index f12137c..b89def1 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/utils/supplierColumns.test.ts
+++ b/src/webparts/ctFormsPortal/forms/ct/components/utils/supplierColumns.test.ts
@@ -1,4 +1,4 @@
-import { buildColumnsFromSpOffers, buildSupplierColumnId, findColumnForRecord } from './supplierColumns';
+import { buildColumnDisplayNames, buildColumnLabels, buildColumnsFromSpOffers, buildSupplierColumnId, findColumnForRecord, findSiblingColumnIds } from './supplierColumns';
 import { Supplier } from '../types/domain';
 
 describe('buildSupplierColumnId', () => {
@@ -46,3 +46,49 @@ describe('buildColumnsFromSpOffers (открытие по ссылке / без
     ]);
   });
 });
+
+describe('подписи колонок поставщика с несколькими КП', () => {
+  const ARLAN = 'ТОО «Арлан Офис Снаб»';
+  const columns: Supplier[] = [
+    { id: '263_277', spId: 263, kpFileSpId: 277, name: ARLAN, hasOffer: true },
+    { id: '264_278', spId: 264, kpFileSpId: 278, name: 'ТОО «Кала Саплай»', hasOffer: true },
+    { id: '263_285', spId: 263, kpFileSpId: 285, name: ARLAN, hasOffer: true },
+  ];
+  const uploaded = [
+    { spId: 277, name: 'KP_01_Arlan_Office_KZT.pdf' },
+    { spId: 278, name: 'KP_02_Qala_Supply_KZT.pdf' },
+    { spId: 285, name: 'KP_01_Arlan_Office_USD.pdf' },
+  ];
+
+  // Две колонки «Арлан» в шапке неотличимы — подписываем файлом КП, но только их.
+  it('buildColumnLabels: файл КП — только у колонок поставщика с несколькими КП', () => {
+    expect(buildColumnLabels(columns, uploaded)).toEqual({
+      '263_277': 'KP_01_Arlan_Office_KZT.pdf',
+      '263_285': 'KP_01_Arlan_Office_USD.pdf',
+    });
+  });
+
+  it('buildColumnLabels: файл неизвестен — номер КП по порядку', () => {
+    expect(buildColumnLabels(columns, [])).toEqual({ '263_277': 'КП 1', '263_285': 'КП 2' });
+  });
+
+  // ИИ-комментарий и выбор рекомендованного сопоставляют поставщиков по имени — имена должны различаться.
+  it('buildColumnDisplayNames: имя с подписью для повторяющихся, просто имя для остальных', () => {
+    const names = buildColumnDisplayNames(columns, buildColumnLabels(columns, uploaded));
+
+    expect(names).toEqual({
+      '263_277': `${ARLAN} (KP_01_Arlan_Office_KZT.pdf)`,
+      '264_278': 'ТОО «Кала Саплай»',
+      '263_285': `${ARLAN} (KP_01_Arlan_Office_USD.pdf)`,
+    });
+  });
+
+  // Adata проверяет компанию: результат нужен всем её колонкам, а платный запрос — один.
+  it('findSiblingColumnIds: все колонки той же компании', () => {
+    expect(findSiblingColumnIds(columns, '263_285')).toEqual(['263_277', '263_285']);
+  });
+
+  it('findSiblingColumnIds: поставщик без SP Id — только сама колонка', () => {
+    expect(findSiblingColumnIds([{ id: 'extra_sup_1', name: 'Ручной', hasOffer: true }], 'extra_sup_1')).toEqual(['extra_sup_1']);
+  });
+});
diff --git a/src/webparts/ctFormsPortal/forms/ct/components/utils/supplierColumns.ts b/src/webparts/ctFormsPortal/forms/ct/components/utils/supplierColumns.ts
index d5ddfbb..37263e7 100644
--- a/src/webparts/ctFormsPortal/forms/ct/components/utils/supplierColumns.ts
+++ b/src/webparts/ctFormsPortal/forms/ct/components/utils/supplierColumns.ts
@@ -43,3 +43,46 @@ export function buildColumnsFromSpOffers(records: SpOfferColumnSource[]): Suppli
   });
   return Array.from(columnsById.values());
 }
+
+// Колонки той же компании (тот же SP Id поставщика), включая саму колонку. Нужно для данных, которые
+// принадлежат компании, а не КП: проверка Adata, БИН.
+export function findSiblingColumnIds(columns: Supplier[], columnId: string): string[] {
+  const column = columns.find(c => c.id === columnId);
+  if (column?.spId === undefined) return [columnId];
+  return columns.filter(c => c.spId === column.spId).map(c => c.id);
+}
+
+// Подписи колонок поставщика с несколькими КП — имя файла КП (без файла — «КП N» по порядку).
+// У поставщика с одним КП подписи нет: в шапке хватает названия.
+export function buildColumnLabels(
+  columns: Supplier[],
+  uploadedKpFiles: Array<{ spId: number; name: string }>,
+): Record<string, string> {
+  const labels: Record<string, string> = {};
+  const columnsBySupplier = new Map<number, Supplier[]>();
+  columns.forEach(c => {
+    if (c.spId === undefined) return;
+    columnsBySupplier.set(c.spId, [...(columnsBySupplier.get(c.spId) ?? []), c]);
+  });
+  columnsBySupplier.forEach(group => {
+    if (group.length < 2) return;
+    group.forEach((c, index) => {
+      const fileName = uploadedKpFiles.find(f => f.spId === c.kpFileSpId)?.name;
+      labels[c.id] = fileName ?? `КП ${index + 1}`;
+    });
+  });
+  return labels;
+}
+
+// Различимые имена колонок для текстов и ИИ (комментарий, выбор рекомендованного), где поставщиков
+// сопоставляют по имени: «Название (файл КП)» у повторяющихся, просто название у остальных.
+export function buildColumnDisplayNames(
+  columns: Supplier[],
+  labels: Record<string, string>,
+): Record<string, string> {
+  const names: Record<string, string> = {};
+  columns.forEach(c => {
+    names[c.id] = labels[c.id] ? `${c.name} (${labels[c.id]})` : c.name;
+  });
+  return names;
+}