diff --git a/src/main/java/com/wooribound/domain/enterprise/service/AdminEnterpriseServiceImpl.java b/src/main/java/com/wooribound/domain/enterprise/service/AdminEnterpriseServiceImpl.java
index 1bf4099..94770ab 100644
--- a/src/main/java/com/wooribound/domain/enterprise/service/AdminEnterpriseServiceImpl.java
+++ b/src/main/java/com/wooribound/domain/enterprise/service/AdminEnterpriseServiceImpl.java
@@ -6,6 +6,7 @@
 import com.wooribound.domain.enterprise.dto.AdminEnterpriseDTO;
 import com.wooribound.domain.enterprise.dto.AdminEnterpriseDetailDTO;
 import com.wooribound.domain.enterprise.dto.AdminPendingEnterpriseDTO;
+import com.wooribound.global.exception.NoEnterpriseException;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -38,19 +39,23 @@ public List<AdminEnterpriseDTO> getEnterprises(AdminEnterpriseReqDTO adminEnterp
 
     @Override
     public AdminEnterpriseDetailDTO getEnterpriseInfo(String entId) {
-        Enterprise enterprise = enterpriseRepository.findByEntId(entId);
+        try {
+            Enterprise enterprise = enterpriseRepository.findByEntId(entId);
 
-        return AdminEnterpriseDetailDTO.builder()
-                .entId(enterprise.getEntId())
-                .ceoName(enterprise.getCeoName())
-                .entName(enterprise.getEntName())
-                .regNum(enterprise.getRegNum())
-                .entAddr1(enterprise.getEntAddr1())
-                .entAddr2(enterprise.getEntAddr2())
-                .entSize(enterprise.getEntSize())
-                .entField(enterprise.getEntField())
-                .revenue(enterprise.getRevenue())
-                .build();
+            return AdminEnterpriseDetailDTO.builder()
+                    .entId(enterprise.getEntId())
+                    .ceoName(enterprise.getCeoName())
+                    .entName(enterprise.getEntName())
+                    .regNum(enterprise.getRegNum())
+                    .entAddr1(enterprise.getEntAddr1())
+                    .entAddr2(enterprise.getEntAddr2())
+                    .entSize(enterprise.getEntSize())
+                    .entField(enterprise.getEntField())
+                    .revenue(enterprise.getRevenue())
+                    .build();
+        } catch (Exception e) {
+            throw new NoEnterpriseException("해당 기업 ID를 찾을 수 없습니다: " + entId, e);
+        }
     }
 
     @Override
diff --git a/src/main/java/com/wooribound/domain/jobposting/Service/AdminJobPostingServiceImpl.java b/src/main/java/com/wooribound/domain/jobposting/Service/AdminJobPostingServiceImpl.java
index d133d5d..1f3ae6f 100644
--- a/src/main/java/com/wooribound/domain/jobposting/Service/AdminJobPostingServiceImpl.java
+++ b/src/main/java/com/wooribound/domain/jobposting/Service/AdminJobPostingServiceImpl.java
@@ -37,9 +37,25 @@ public List<JobPostingDTO> getAllJobPostings(AdminJobPostingReqDTO adminJobPosti
 
     @Override
     public JobPostingDetailDTO getJobPostingDetail(Long postId) {
-        JobPosting jobPosting = jobPostingRepository.findJobPostingByPostId(postId);
+        try {
+            JobPosting jobPosting = jobPostingRepository.findJobPostingByPostId(postId);
+
+            if (jobPosting == null) {
+                throw new NoJobPostingException("해당 공고 ID를 찾을 수 없습니다: " + postId);
+            }
 
-        return JobPostingDetailDTO.builder().postTitle(jobPosting.getPostTitle()).entName(jobPosting.getEnterprise().getEntName()).postImg(jobPosting.getPostImg()).startDate(jobPosting.getStartDate()).endDate(jobPosting.getEndDate()).jobName(jobPosting.getJob().getJobName()).entAddr1(jobPosting.getEnterprise().getEntAddr1()).build();
+            return JobPostingDetailDTO.builder()
+                    .postTitle(jobPosting.getPostTitle())
+                    .entName(jobPosting.getEnterprise().getEntName())
+                    .postImg(jobPosting.getPostImg())
+                    .startDate(jobPosting.getStartDate())
+                    .endDate(jobPosting.getEndDate())
+                    .jobName(jobPosting.getJob().getJobName())
+                    .entAddr1(jobPosting.getEnterprise().getEntAddr1())
+                    .build();
+        } catch (Exception e) {
+            throw new NoJobPostingException("채용공고 정보를 가져오는 도중 에러가 발생했습니다: " + postId, e);
+        }
     }
 
     @Override
diff --git a/src/main/java/com/wooribound/domain/knowhow/service/WbUserKnowhowServiceImpl.java b/src/main/java/com/wooribound/domain/knowhow/service/WbUserKnowhowServiceImpl.java
index 58fa157..8407a77 100644
--- a/src/main/java/com/wooribound/domain/knowhow/service/WbUserKnowhowServiceImpl.java
+++ b/src/main/java/com/wooribound/domain/knowhow/service/WbUserKnowhowServiceImpl.java
@@ -36,7 +36,7 @@ public WbUserKnowhowDTO getShareKnowhowDetail(Long knowhowId) {
         Optional<Knowhow> knowhowOptional = knowhowRepository.findById(knowhowId);
 
         if (knowhowOptional.isEmpty()) {
-            throw new KnowhowNotFoundException(String.format("%d는 없는 게시물 입니다.: ", knowhowId));
+            throw new KnowhowNotFoundException(String.format("%d는 없는 게시물 입니다.", knowhowId));
         }
 
         Knowhow knowhow = knowhowOptional.get();
diff --git a/src/main/java/com/wooribound/domain/resume/ResumeServiceImpl.java b/src/main/java/com/wooribound/domain/resume/ResumeServiceImpl.java
index 4cc9024..4693615 100644
--- a/src/main/java/com/wooribound/domain/resume/ResumeServiceImpl.java
+++ b/src/main/java/com/wooribound/domain/resume/ResumeServiceImpl.java
@@ -1,12 +1,12 @@
 package com.wooribound.domain.resume;
 
-import com.amazonaws.services.s3.AmazonS3Client;
 import com.wooribound.domain.resume.dto.ResumeDTO;
 import com.wooribound.domain.resume.dto.ResumeDetailDTO;
 import com.wooribound.domain.wbuser.WbUser;
 import com.wooribound.domain.wbuser.WbUserRepository;
 import com.wooribound.domain.workhistory.WorkHistory;
 import com.wooribound.domain.workhistory.WorkHistoryRepository;
+import com.wooribound.global.exception.NoWbUserException;
 import com.wooribound.global.exception.NotEntityException;
 import com.wooribound.global.util.AuthenticateUtil;
 import com.wooribound.global.util.S3Util;
@@ -148,25 +148,31 @@ public ResumeDTO updateResume(Authentication authentication, MultipartFile userI
 
     @Override
     public ResumeDetailDTO getWbUserResume(String userId) {
-
-        Resume resume = resumeRepository.findByUserId(userId).orElseThrow();
-        List<WorkHistory> workHistoryList = workHistoryRepository.findByUserId(userId);
-
-        List<String> jobs = workHistoryList.stream()
-                .map(workHistory -> workHistory.getJob().getJobName())  // jobName만 추출
-                .collect(Collectors.toList());
-
-        return ResumeDetailDTO.builder()
-                .userName(resume.getWbUser().getName())
-                .jobPoint(resume.getWbUser().getJobPoint())
-                .phone(resume.getWbUser().getPhone())
-                .addrCity(resume.getWbUser().getAddrCity())
-                .addrProvince(resume.getWbUser().getAddrProvince())
-                .userIntro(resume.getUserIntro())
-                .userImg(resume.getUserImg())
-                .resumeEmail(resume.getResumeEmail())
-                .jobList(jobs)
-                .build();
+        try {
+            WbUser byIdWbUser = wbUserRepository.findById(userId)
+                    .orElseThrow(() -> new NoWbUserException("해당 사용자 ID를 찾을 수 없습니다: " + userId));
+
+            Resume resume = resumeRepository.findByUserId(userId).orElseThrow();
+            List<WorkHistory> workHistoryList = workHistoryRepository.findByUserId(userId);
+
+            List<String> jobs = workHistoryList.stream()
+                    .map(workHistory -> workHistory.getJob().getJobName()) // jobName만 추출
+                    .collect(Collectors.toList());
+
+            return ResumeDetailDTO.builder()
+                    .userName(resume.getWbUser().getName())
+                    .jobPoint(resume.getWbUser().getJobPoint())
+                    .phone(resume.getWbUser().getPhone())
+                    .addrCity(resume.getWbUser().getAddrCity())
+                    .addrProvince(resume.getWbUser().getAddrProvince())
+                    .userIntro(resume.getUserIntro())
+                    .userImg(resume.getUserImg())
+                    .resumeEmail(resume.getResumeEmail())
+                    .jobList(jobs)
+                    .build();
+        } catch (NoWbUserException e) {
+            throw e;
+        }
     }
 
     private String createFileName(String fileName){
diff --git a/src/main/java/com/wooribound/global/exception/NoEnterpriseException.java b/src/main/java/com/wooribound/global/exception/NoEnterpriseException.java
new file mode 100644
index 0000000..cbf534c
--- /dev/null
+++ b/src/main/java/com/wooribound/global/exception/NoEnterpriseException.java
@@ -0,0 +1,11 @@
+package com.wooribound.global.exception;
+
+import lombok.experimental.StandardException;
+
+@StandardException
+public class NoEnterpriseException extends RuntimeException{
+
+  public NoEnterpriseException() {
+    super("기업회원이 존재하지 않습니다");
+  }
+}
diff --git a/src/main/java/com/wooribound/global/handler/GlobalExceptionHandler.java b/src/main/java/com/wooribound/global/handler/GlobalExceptionHandler.java
index bde29f1..db3b90a 100644
--- a/src/main/java/com/wooribound/global/handler/GlobalExceptionHandler.java
+++ b/src/main/java/com/wooribound/global/handler/GlobalExceptionHandler.java
@@ -99,6 +99,11 @@ public ResponseEntity<String> handleNotValidPasswordException(NotValidPasswordEx
   public ResponseEntity<String> handleNoApproveStatusException(NoApproveStatusException e) {
     return ResponseEntity.status(400).body(e.getMessage());
   }
+
+  @ExceptionHandler(NoEnterpriseException.class)
+  public ResponseEntity<String> handleNoEnterpriseException(NoEnterpriseException e) {
+    return ResponseEntity.status(400).body(e.getMessage());
+  }
 }