diff --git a/src/Service/Util/SharedStringReader.php b/src/Service/Util/SharedStringReader.php
new file mode 100644
index 0000000..6f8c909
--- /dev/null
+++ b/src/Service/Util/SharedStringReader.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Excel\Templating\Service\Util;
+
+/**
+ * Class SharedStringReader
+ */
+class SharedStringReader
+{
+    public function read(\ZipArchive $zip)
+    {
+        $xml = $zip->getFromName('xl/sharedStrings.xml');
+
+        $dom = new \DOMDocument;
+        $dom->loadXML($xml);
+        $xpath = new \DOMXPath($dom);
+        $xpath->registerNamespace('s', 'http://schemas.openxmlformats.org/spreadsheetml/2006/main');
+
+        $strings = [];
+        $count = 0;
+        foreach ($xpath->query('//s:sst/s:si/s:t') as $t) {
+            /** @var \DOMElement $t */
+            $strings[$count] = $t->nodeValue;
+            $count++;
+        }
+
+        return $strings;
+    }
+}
diff --git a/src/Service/Util/StringLocator.php b/src/Service/Util/StringLocator.php
new file mode 100644
index 0000000..0081efe
--- /dev/null
+++ b/src/Service/Util/StringLocator.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Excel\Templating\Service\Util;
+
+use Excel\Templating\Service\Util\Sheet as SheetUtil;
+
+/**
+ * Class StringLocator
+ */
+class StringLocator
+{
+    /**
+     * @var SharedStringReader
+     */
+    private $reader;
+
+    /**
+     * @param SharedStringReader $reader
+     */
+    public function __construct(SharedStringReader $reader)
+    {
+        $this->reader = $reader;
+    }
+
+    /**
+     * @param \ZipArchive $zip
+     * @param string $sheetName
+     * @return array
+     */
+    public function getLocation(\ZipArchive $zip, $sheetName)
+    {
+        $sharedStrings = $this->reader->read($zip);
+
+        $sheets = SheetUtil::convertNamesToXmls($zip, [$sheetName]);
+        $xmlPath = $sheets[$sheetName];
+
+        return $this->makeMap($zip->getFromName($xmlPath), $sharedStrings);
+    }
+
+    /**
+     * @param string $xml
+     * @param array $sharedStrings
+     * @return array
+     */
+    private function makeMap($xml, array $sharedStrings)
+    {
+        $dom = new \DOMDocument;
+        $dom->loadXML($xml);
+        $xpath = new \DOMXPath($dom);
+        $xpath->registerNamespace('s', 'http://schemas.openxmlformats.org/spreadsheetml/2006/main');
+
+        $map = [];
+        foreach ($xpath->query('//s:worksheet/s:sheetData/s:row/s:c[@t="s"]/s:v') as $stringCellValue) {
+            $stringId = $stringCellValue->nodeValue;
+            if (!isset($sharedStrings[$stringId])) {
+                continue;
+            }
+
+            $map[$stringCellValue->parentNode->getAttribute('r')] = $sharedStrings[$stringId];
+        }
+
+        return $map;
+    }
+}