diff --git a/libs/importer/spec/logmeonce-csv-importer.spec.ts b/libs/importer/spec/logmeonce-csv-importer.spec.ts
new file mode 100644
index 00000000000..bc24766b3d8
--- /dev/null
+++ b/libs/importer/spec/logmeonce-csv-importer.spec.ts
@@ -0,0 +1,84 @@
+import { LogMeOnceCsvImporter } from "../src/importers/logmeonce-csv-importer";
+import { ImportResult } from "../src/models/import-result";
+
+import { data as logmeonceData2 } from "./test-data/logmeonce-csv/logmeonce.test.invalidRow.csv";
+import { data as logmeonceData6 } from "./test-data/logmeonce-csv/logmeonce.test.invalidUrl.csv";
+import { data as logmeonceData5 } from "./test-data/logmeonce-csv/logmeonce.test.missingName.csv";
+import { data as logmeonceData4 } from "./test-data/logmeonce-csv/logmeonce.test.mixedData.csv";
+import { data as logmeonceData3 } from "./test-data/logmeonce-csv/logmeonce.test.multipleEntries.csv";
+import { data as logmeonceData } from "./test-data/logmeonce-csv/logmeonce.test.validData.csv";
+
+describe("LogMeOnceCsvImporter", () => {
+  let importer: LogMeOnceCsvImporter;
+
+  beforeEach(() => {
+    importer = new LogMeOnceCsvImporter();
+  });
+
+  it("should return success false if CSV data is null", async () => {
+    try {
+      const result: ImportResult = await importer.parse(null);
+      expect(result.success).toBe(false);
+    } catch (error) {
+      expect(error).toBeInstanceOf(TypeError);
+      expect(error.message).toMatch(/Cannot read properties of null/);
+    }
+  });
+
+  it("should return success false if CSV data is empty", async () => {
+    const result: ImportResult = await importer.parse("");
+    expect(result.success).toBe(false);
+  });
+
+  it("should parse valid CSV data correctly", async () => {
+    const result = await importer.parse(logmeonceData);
+    expect(result.success).toBe(true);
+    expect(result.ciphers.length).toBe(1);
+    const cipher = result.ciphers[0];
+    expect(cipher.name).toBe("Example");
+    expect(cipher.login.uris[0].uri).toBe("https://example.com");
+    expect(cipher.notes).toBe("Some notes");
+    expect(cipher.login.username).toBe("user@example.com");
+    expect(cipher.login.password).toBe("password123");
+  });
+
+  it("should skip rows with insufficient columns", async () => {
+    const result = await importer.parse(logmeonceData2);
+    expect(result.success).toBe(true);
+    expect(result.ciphers.length).toBe(1);
+    const cipher = result.ciphers[0];
+    expect(cipher.name).toBe("Example");
+  });
+
+  it("should handle CSV data with multiple entries", async () => {
+    const result = await importer.parse(logmeonceData3);
+    expect(result.success).toBe(true);
+    expect(result.ciphers.length).toBe(2);
+    expect(result.ciphers[0].name).toBe("Example1");
+    expect(result.ciphers[1].name).toBe("Example2");
+  });
+
+  it("should handle CSV data with multiple entries and invalid rows", async () => {
+    const result = await importer.parse(logmeonceData4);
+    expect(result.success).toBe(true);
+    expect(result.ciphers.length).toBe(2);
+    expect(result.ciphers[0].name).toBe("Example1");
+    expect(result.ciphers[1].name).toBe("Example2");
+  });
+
+  it("should use default values for missing columns", async () => {
+    const result = await importer.parse(logmeonceData5);
+    expect(result.success).toBe(true);
+    expect(result.ciphers.length).toBe(1);
+    const cipher = result.ciphers[0];
+    expect(cipher.name).toBe("--");
+  });
+
+  it("should handle invalid URLs gracefully", async () => {
+    const result = await importer.parse(logmeonceData6);
+    expect(result.success).toBe(true);
+    expect(result.ciphers.length).toBe(1);
+    const cipher = result.ciphers[0];
+    expect(cipher.login.uris[0].uri).toBe("invalid-url");
+  });
+});
diff --git a/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.invalidRow.csv.ts b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.invalidRow.csv.ts
new file mode 100644
index 00000000000..9ad5998914c
--- /dev/null
+++ b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.invalidRow.csv.ts
@@ -0,0 +1,4 @@
+/* eslint-disable */
+export const data = `name,url,note,group,username,password,extra
+Example,https://example.com,Some notes,,user@example.com,password123,
+InvalidRow,https://invalid.com`;
diff --git a/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.invalidUrl.csv.ts b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.invalidUrl.csv.ts
new file mode 100644
index 00000000000..21a2c65db85
--- /dev/null
+++ b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.invalidUrl.csv.ts
@@ -0,0 +1,3 @@
+/* eslint-disable */
+export const data = `name,url,note,group,username,password,extra
+Example,invalid-url,Some notes,,user@example.com,password123,`;
diff --git a/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.missingName.csv.ts b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.missingName.csv.ts
new file mode 100644
index 00000000000..c6ad0d47a31
--- /dev/null
+++ b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.missingName.csv.ts
@@ -0,0 +1,3 @@
+/* eslint-disable */
+export const data = `name,url,note,group,username,password,extra
+,,Some notes,,user@example.com,password123,`;
diff --git a/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.mixedData.csv.ts b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.mixedData.csv.ts
new file mode 100644
index 00000000000..47246cd9af2
--- /dev/null
+++ b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.mixedData.csv.ts
@@ -0,0 +1,5 @@
+/* eslint-disable */
+export const data = `name,url,note,group,username,password,extra
+Example1,https://example1.com,Notes1,,user1@example.com,password1,
+InvalidRow,https://invalid.com
+Example2,https://example2.com,Notes2,,user2@example.com,password2,`;
diff --git a/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.multipleEntries.csv.ts b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.multipleEntries.csv.ts
new file mode 100644
index 00000000000..9979ce8df99
--- /dev/null
+++ b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.multipleEntries.csv.ts
@@ -0,0 +1,4 @@
+/* eslint-disable */
+export const data = `name,url,note,group,username,password,extra
+Example1,https://example1.com,Notes1,,user1@example.com,password1,
+Example2,https://example2.com,Notes2,,user2@example.com,password2,`;
diff --git a/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.validData.csv.ts b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.validData.csv.ts
new file mode 100644
index 00000000000..c27a5a3669d
--- /dev/null
+++ b/libs/importer/spec/test-data/logmeonce-csv/logmeonce.test.validData.csv.ts
@@ -0,0 +1,3 @@
+/* eslint-disable */
+export const data = `name,url,note,group,username,password,extra
+Example,https://example.com,Some notes,,user@example.com,password123,`;