diff --git a/src/aki_prj23_transparenzregister/utils/data_extraction/bundesanzeiger.py b/src/aki_prj23_transparenzregister/utils/data_extraction/bundesanzeiger.py
index f59c889..b19398d 100644
--- a/src/aki_prj23_transparenzregister/utils/data_extraction/bundesanzeiger.py
+++ b/src/aki_prj23_transparenzregister/utils/data_extraction/bundesanzeiger.py
@@ -42,7 +42,11 @@ class Bundesanzeiger:
         df_data = df_data.loc[df_data.company == company_name]
 
         # Add Auditor information
-        df_data["auditors"] = df_data.raw_report.apply(self.extract_auditors)
+        audits = []
+        for report in df_data["raw_report"]:
+            audit = self.extract_auditors(report, company_name)
+            audits.append(audit)
+        df_data["auditors"] = audits
 
         # Add Financial information
         df_data["financial_results"] = df_data.raw_report.apply(
@@ -75,11 +79,12 @@ class Bundesanzeiger:
         return df_reports.drop(["name", "report", "type"], axis=1)
 
     @staticmethod
-    def extract_auditor_company(report: str) -> str | None:
+    def extract_auditor_company(report: str, company_name: str) -> str | None:
         """Extract the name of an auditor company from the given yearly results report.
 
         Args:
             report (str): Yearly results report as raw string
+            company_name (str): Name of the company the report originates from, used for filtering
 
         Returns:
             str | None: Name of the auditor company if found, otherwise None
@@ -89,19 +94,22 @@ class Bundesanzeiger:
         for elem in temp:
             br = elem.findChildren("br")
             if len(br) > 0:
-                return elem.text.split("\n")[1].strip()
+                temp = elem.text.split("\n")[1].strip()
+                if temp != company_name:
+                    return temp
         return None
 
-    def extract_auditors(self, report: str) -> list:
+    def extract_auditors(self, report: str, company_name: str) -> list:
         """Find the list of auditors involved in the given yearly results report.
 
         Args:
             report (str): Yearly results report as raw string
+            company_name (str): Name of the company the report originates from, used for filtering
 
         Returns:
             list[Auditor]: List of Auditors found in the given report
         """
-        auditor_company = self.extract_auditor_company(report)
+        auditor_company = self.extract_auditor_company(report, company_name)
         auditor_regex = r"([a-z A-ZÄäÜüÖö,.'-]+), Wirtschaftsprüfer(in)?"
         hits = re.findall(auditor_regex, report)
         return [Auditor(hit[0].strip(), auditor_company) for hit in hits]