diff --git a/src/main/java/ceos/backend/domain/application/ApplicationController.java b/src/main/java/ceos/backend/domain/application/ApplicationController.java
index f7a0f9c..cf32828 100644
--- a/src/main/java/ceos/backend/domain/application/ApplicationController.java
+++ b/src/main/java/ceos/backend/domain/application/ApplicationController.java
@@ -1,3 +1,4 @@
+
 package ceos.backend.domain.application;
 
 
@@ -7,12 +8,7 @@
 import ceos.backend.domain.application.dto.request.UpdateAttendanceRequest;
 import ceos.backend.domain.application.dto.request.UpdateInterviewTime;
 import ceos.backend.domain.application.dto.request.UpdatePassStatus;
-import ceos.backend.domain.application.dto.response.GetApplication;
-import ceos.backend.domain.application.dto.response.GetApplicationQuestion;
-import ceos.backend.domain.application.dto.response.GetApplications;
-import ceos.backend.domain.application.dto.response.GetCreationTime;
-import ceos.backend.domain.application.dto.response.GetInterviewTime;
-import ceos.backend.domain.application.dto.response.GetResultResponse;
+import ceos.backend.domain.application.dto.response.*;
 import ceos.backend.domain.application.service.ApplicationExcelService;
 import ceos.backend.domain.application.service.ApplicationService;
 import ceos.backend.global.common.entity.Part;
@@ -147,6 +143,13 @@ public void updateDocumentPassStatus(
         applicationService.updateDocumentPassStatus(applicationId, updatePassStatus);
     }
 
+    @Operation(summary = "면접 참여 가능 여부 확인", description = "resultDateDoc ~ resultDateFinal 전날")
+    @GetMapping(value = "/{applicationId}/interview/availability")
+    public GetInterviewAvailability getInterviewAvailability(@PathVariable("applicationId") Long applicationId) {
+        log.info("면접 참여 가능 여부 확인");
+        return applicationService.getInterviewAvailability(applicationId);
+    }
+
     @Operation(summary = "최종 합격 여부 변경", description = "resultDateDoc ~ ResultDateFinal 전날")
     @PatchMapping(value = "/{applicationId}/final")
     public void updateFinalPassStatus(
@@ -156,6 +159,13 @@ public void updateFinalPassStatus(
         applicationService.updateFinalPassStatus(applicationId, updatePassStatus);
     }
 
+    @Operation(summary = "활동 가능 여부 확인", description = "resultDateDoc ~ resultDateFinal 전날")
+    @GetMapping(value = "/{applicationId}/final/availability")
+    public GetFinalAvailability getFinalPass(@PathVariable("applicationId") Long applicationId) {
+        log.info("활동 가능 여부 확인");
+        return applicationService.getFinalAvailability(applicationId);
+    }
+
     @Operation(summary = "지원서 엑셀 파일 생성")
     @GetMapping(value = "/file/create")
     public GetCreationTime createApplicationExcel() {
diff --git a/src/main/java/ceos/backend/domain/application/domain/Application.java b/src/main/java/ceos/backend/domain/application/domain/Application.java
index a08fc62..3f60165 100644
--- a/src/main/java/ceos/backend/domain/application/domain/Application.java
+++ b/src/main/java/ceos/backend/domain/application/domain/Application.java
@@ -8,6 +8,8 @@
 import jakarta.validation.constraints.NotNull;
 import java.util.ArrayList;
 import java.util.List;
+
+import jakarta.validation.constraints.Size;
 import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
@@ -36,17 +38,20 @@ public class Application extends BaseEntity {
     @ColumnDefault("false")
     private boolean interviewCheck;
 
+    @Size(max = 100)
+    private String unableReason;
+
     @NotNull
     @Enumerated(EnumType.STRING)
     private Pass documentPass;
 
     @NotNull
     @ColumnDefault("false")
-    private boolean finalCheck;
+    private boolean finalCheck; // 활동 가능 여부
 
     @NotNull
     @Enumerated(EnumType.STRING)
-    private Pass finalPass;
+    private Pass finalPass; // 최종 합격 결과
 
     @OneToMany(mappedBy = "application", cascade = CascadeType.ALL)
     private List<ApplicationAnswer> applicationAnswers = new ArrayList<>();
@@ -85,6 +90,8 @@ public void updateInterviewCheck(boolean check) {
         this.interviewCheck = check;
     }
 
+    public void updateUnableReason(String reason) { this.unableReason = reason; }
+
     public void updateFinalCheck(boolean check) {
         this.finalCheck = check;
     }
diff --git a/src/main/java/ceos/backend/domain/application/dto/response/GetFinalAvailability.java b/src/main/java/ceos/backend/domain/application/dto/response/GetFinalAvailability.java
new file mode 100644
index 0000000..aec81cd
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/application/dto/response/GetFinalAvailability.java
@@ -0,0 +1,26 @@
+package ceos.backend.domain.application.dto.response;
+
+import ceos.backend.domain.application.domain.Application;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class GetFinalAvailability {
+    private boolean finalAvailability; // 활동 가능 여부
+    private String reason; // 활동 불가능 사유
+
+    @Builder
+    public GetFinalAvailability(boolean finalCheck, String reason) {
+        this.finalAvailability = finalCheck;
+        this.reason = reason;
+    }
+
+    public static GetFinalAvailability of(Application application) {
+        return GetFinalAvailability.builder()
+                .finalAvailability(application.isFinalCheck())
+                .reason(application.getUnableReason())
+                .build();
+    }
+
+}
diff --git a/src/main/java/ceos/backend/domain/application/dto/response/GetInterviewAvailability.java b/src/main/java/ceos/backend/domain/application/dto/response/GetInterviewAvailability.java
new file mode 100644
index 0000000..8ff1610
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/application/dto/response/GetInterviewAvailability.java
@@ -0,0 +1,25 @@
+package ceos.backend.domain.application.dto.response;
+
+import ceos.backend.domain.application.domain.Application;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class GetInterviewAvailability {
+    private boolean interviewAvailability; // 참여 가능 여부
+    private String reason; // 참여 불가능 사유
+
+    @Builder
+    public GetInterviewAvailability(boolean interviewCheck, String reason) {
+        this.interviewAvailability = interviewCheck;
+        this.reason = reason;
+    }
+
+    public static GetInterviewAvailability of(Application application) {
+        return GetInterviewAvailability.builder()
+                .interviewAvailability(application.isInterviewCheck())
+                .reason(application.getUnableReason())
+                .build();
+    }
+}
diff --git a/src/main/java/ceos/backend/domain/application/service/ApplicationService.java b/src/main/java/ceos/backend/domain/application/service/ApplicationService.java
index ac9d66a..5d421d7 100644
--- a/src/main/java/ceos/backend/domain/application/service/ApplicationService.java
+++ b/src/main/java/ceos/backend/domain/application/service/ApplicationService.java
@@ -13,11 +13,7 @@
 import ceos.backend.domain.application.dto.request.UpdateAttendanceRequest;
 import ceos.backend.domain.application.dto.request.UpdateInterviewTime;
 import ceos.backend.domain.application.dto.request.UpdatePassStatus;
-import ceos.backend.domain.application.dto.response.GetApplication;
-import ceos.backend.domain.application.dto.response.GetApplicationQuestion;
-import ceos.backend.domain.application.dto.response.GetApplications;
-import ceos.backend.domain.application.dto.response.GetInterviewTime;
-import ceos.backend.domain.application.dto.response.GetResultResponse;
+import ceos.backend.domain.application.dto.response.*;
 import ceos.backend.domain.application.exception.exceptions.NotDeletableDuringRecruitment;
 import ceos.backend.domain.application.helper.ApplicationHelper;
 import ceos.backend.domain.application.mapper.ApplicationMapper;
@@ -168,6 +164,7 @@ public void updateInterviewAttendance(
             application.updateInterviewCheck(true);
             applicationRepository.save(application);
         } else {
+            application.updateUnableReason(request.getReason());
             applicationHelper.sendSlackUnableReasonMessage(application, request, false);
         }
     }
@@ -196,6 +193,7 @@ public void updateParticipationAvailability(
             application.updateFinalCheck(true);
             applicationRepository.save(application);
         } else {
+            application.updateUnableReason(request.getReason());
             applicationHelper.sendSlackUnableReasonMessage(application, request, true);
         }
     }
@@ -249,6 +247,16 @@ public void updateInterviewTime(Long applicationId, UpdateInterviewTime updateIn
         application.updateInterviewTime(duration);
     }
 
+    @Transactional(readOnly = true)
+    public GetInterviewAvailability getInterviewAvailability(Long applicationId) {
+        applicationValidator.validateExistingApplicant(applicationId); // 유저 검증
+        final Application application = applicationHelper.getApplicationById(applicationId);
+        applicationValidator.validateDocumentPassStatus(application); // 서류 통과 검증
+
+        return GetInterviewAvailability.of(application);
+    }
+
+
     @Transactional
     public void updateDocumentPassStatus(Long applicationId, UpdatePassStatus updatePassStatus) {
         recruitmentValidator.validateBetweenStartDateDocAndResultDateDoc(); // 기간 검증
@@ -268,6 +276,16 @@ public void updateFinalPassStatus(Long applicationId, UpdatePassStatus updatePas
         application.updateFinalPass(updatePassStatus.getPass());
     }
 
+    @Transactional(readOnly = true)
+    public GetFinalAvailability getFinalAvailability(Long applicationId) {
+        applicationValidator.validateExistingApplicant(applicationId); // 유저 검증
+        final Application application = applicationHelper.getApplicationById(applicationId);
+        applicationValidator.validateFinalPassStatus(application); // 최종 합격 검증
+
+        return GetFinalAvailability.of(application);
+    }
+
+
     @Transactional
     public void deleteAllApplications() {
         Recruitment recruitment = recruitmentHelper.takeRecruitment();
diff --git a/src/main/java/ceos/backend/domain/application/validator/ApplicationValidator.java b/src/main/java/ceos/backend/domain/application/validator/ApplicationValidator.java
index 1590793..efa6e67 100644
--- a/src/main/java/ceos/backend/domain/application/validator/ApplicationValidator.java
+++ b/src/main/java/ceos/backend/domain/application/validator/ApplicationValidator.java
@@ -70,6 +70,10 @@ public void validateDocumentPassStatus(Application application) {
         application.validateDocumentPass();
     }
 
+    public void validateFinalPassStatus(Application application) {
+        application.validateFinalPass();
+    }
+
     public void validateInterviewTime(List<Interview> interviews, String interviewTime) {
         if (interviews.stream()
                 .noneMatch(
diff --git a/src/main/java/ceos/backend/domain/startup/StartupController.java b/src/main/java/ceos/backend/domain/startup/StartupController.java
new file mode 100644
index 0000000..126bbd0
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/StartupController.java
@@ -0,0 +1,68 @@
+package ceos.backend.domain.startup;
+
+import ceos.backend.domain.startup.dto.request.StartupRequest;
+import ceos.backend.domain.startup.dto.response.StartupResponse;
+import ceos.backend.domain.startup.dto.response.StartupsResponse;
+import ceos.backend.domain.startup.service.StartupService;
+import ceos.backend.global.common.dto.AwsS3Url;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+@Slf4j
+@RestController
+@RequiredArgsConstructor
+@RequestMapping(value = "/start-ups")
+@Tag(name = "Start-Up")
+public class StartupController {
+
+    private final StartupService startupService;
+
+    @Operation(summary = "창업 리스트 추가")
+    @PostMapping
+    public void createStartup(@RequestBody @Valid StartupRequest startupRequest) {
+        log.info("창업 리스트 추가");
+        startupService.createStartup(startupRequest);
+    }
+
+    @Operation(summary = "창업 리스트 보기")
+    @GetMapping
+    public StartupsResponse getStartups(
+            @RequestParam("pageNum") Integer pageNum, @RequestParam("limit") Integer limit) {
+        log.info("창업 리스트 보기");
+        return startupService.getStartups(pageNum, limit);
+    }
+
+    @Operation(summary = "창업 리스트 상세 보기")
+    @GetMapping(value = "/{startupId}")
+    public StartupResponse getStartup(@PathVariable("startupId") Long startupId) {
+        log.info("창업 리스트 상세 보기");
+        return startupService.getStartup(startupId);
+    }
+
+    @Operation(summary = "창업 리스트 수정")
+    @PatchMapping(value = "/{startupId}")
+    public StartupResponse updateStartup(@PathVariable("startupId") Long startupId,
+                                         @RequestBody @Valid StartupRequest startupRequest) {
+        log.info("창업 리스트 수정");
+        return startupService.updateStartup(startupId, startupRequest);
+    }
+
+    @Operation(summary = "창업 리스트 삭제")
+    @DeleteMapping("/{startupId}")
+    public void deleteManagement(@PathVariable(name = "startupId") Long startupId) {
+        log.info("창업 리스트 삭제");
+        startupService.deleteStartup(startupId);
+    }
+
+    @Operation(summary = "서비스 이미지 url 생성하기")
+    @GetMapping("/image")
+    public AwsS3Url getImageUrl() {
+        log.info("서비스 이미지 url 생성하기");
+        return startupService.getImageUrl();
+    }
+
+}
diff --git a/src/main/java/ceos/backend/domain/startup/domain/Startup.java b/src/main/java/ceos/backend/domain/startup/domain/Startup.java
new file mode 100644
index 0000000..73e16c1
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/domain/Startup.java
@@ -0,0 +1,58 @@
+package ceos.backend.domain.startup.domain;
+
+import ceos.backend.domain.startup.dto.request.StartupRequest;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+public class Startup {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "startup_id")
+    private Long id;
+
+    @NotBlank
+    private String serviceName;
+
+    private String companyName;
+
+    @NotBlank
+    private String imageUrl;
+
+    @NotBlank
+    private String serviceUrl;
+
+    @NotNull
+    private Integer generation;
+
+    @NotBlank
+    private String founder;
+
+    @Builder
+    public Startup(String serviceName, String companyName, String imageUrl, String serviceUrl, Integer generation, String founder) {
+        this.serviceName = serviceName;
+        this.companyName = companyName;
+        this.imageUrl = imageUrl;
+        this.serviceUrl = serviceUrl;
+        this.generation = generation;
+        this.founder = founder;
+    }
+
+    public void update(StartupRequest startupRequest) {
+        this.serviceName = startupRequest.getServiceName();
+        this.companyName = startupRequest.getCompanyName();
+        this.imageUrl = startupRequest.getImageUrl();
+        this.serviceUrl = startupRequest.getServiceUrl();
+        this.generation = startupRequest.getGeneration();
+        this.founder = startupRequest.getFounder();
+    }
+
+}
diff --git a/src/main/java/ceos/backend/domain/startup/dto/request/StartupRequest.java b/src/main/java/ceos/backend/domain/startup/dto/request/StartupRequest.java
new file mode 100644
index 0000000..54779c2
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/dto/request/StartupRequest.java
@@ -0,0 +1,46 @@
+package ceos.backend.domain.startup.dto.request;
+
+import ceos.backend.domain.startup.domain.Startup;
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.Getter;
+
+@Getter
+public class StartupRequest {
+
+    @NotBlank
+    @Schema(defaultValue = "Repick",description = "서비스명")
+    private String serviceName;
+
+    @Schema(defaultValue = "(주)Repick",description = "회사명(생략가능)")
+    private String companyName;
+
+    @NotBlank
+    @Schema(description = "서비스 이미지 url")
+    private String imageUrl;
+
+    @NotBlank
+    @Schema(description = "서비스 url")
+    private String serviceUrl;
+
+    @NotNull
+    @Schema(defaultValue = "17", description = "창업자 활동 기수")
+    private Integer generation;
+
+    @NotBlank
+    @Schema(defaultValue = "이도현", description = "창업자 이름")
+    private String founder;
+
+    public Startup toEntity() {
+        return Startup.builder()
+                .serviceName(serviceName)
+                .companyName(companyName)
+                .imageUrl(imageUrl)
+                .serviceUrl(serviceUrl)
+                .generation(generation)
+                .founder(founder)
+                .build();
+    }
+
+}
diff --git a/src/main/java/ceos/backend/domain/startup/dto/response/StartupResponse.java b/src/main/java/ceos/backend/domain/startup/dto/response/StartupResponse.java
new file mode 100644
index 0000000..51bf04b
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/dto/response/StartupResponse.java
@@ -0,0 +1,47 @@
+package ceos.backend.domain.startup.dto.response;
+
+import ceos.backend.domain.startup.domain.Startup;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+public class StartupResponse {
+
+    private Long startupId;
+
+    private String serviceName;
+
+    private String companyName;
+
+    private String imageUrl;
+
+    private String serviceUrl;
+
+    private Integer generation;
+
+    private String founder;
+
+    @Builder
+    public StartupResponse(Long startupId, String serviceName, String companyName, String imageUrl, String serviceUrl, Integer generation, String founder) {
+        this.startupId = startupId;
+        this.serviceName = serviceName;
+        this.companyName = companyName;
+        this.imageUrl = imageUrl;
+        this.serviceUrl = serviceUrl;
+        this.generation = generation;
+        this.founder = founder;
+    }
+
+    public static StartupResponse fromEntity(Startup startup) {
+        return StartupResponse.builder()
+                .startupId(startup.getId())
+                .serviceName(startup.getServiceName())
+                .companyName(startup.getCompanyName())
+                .imageUrl(startup.getImageUrl())
+                .serviceUrl(startup.getServiceUrl())
+                .generation(startup.getGeneration())
+                .founder(startup.getFounder())
+                .build();
+    }
+
+}
diff --git a/src/main/java/ceos/backend/domain/startup/dto/response/StartupsResponse.java b/src/main/java/ceos/backend/domain/startup/dto/response/StartupsResponse.java
new file mode 100644
index 0000000..c2ad7e4
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/dto/response/StartupsResponse.java
@@ -0,0 +1,30 @@
+package ceos.backend.domain.startup.dto.response;
+
+import ceos.backend.domain.startup.domain.Startup;
+import ceos.backend.global.common.dto.PageInfo;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.data.domain.Page;
+
+import java.util.List;
+
+@Getter
+@AllArgsConstructor
+public class StartupsResponse {
+
+    public List<StartupResponse> startups;
+    public PageInfo pageInfo;
+
+    public static StartupsResponse fromPageable(Page<Startup> startups) {
+        return new StartupsResponse(
+                startups.map(StartupResponse::fromEntity).toList(),
+                PageInfo.of(
+                        startups.getNumber(),
+                        startups.getSize(),
+                        startups.getTotalPages(),
+                        startups.getTotalElements()
+                )
+        );
+    }
+
+}
diff --git a/src/main/java/ceos/backend/domain/startup/exception/StartupErrorCode.java b/src/main/java/ceos/backend/domain/startup/exception/StartupErrorCode.java
new file mode 100644
index 0000000..c439363
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/exception/StartupErrorCode.java
@@ -0,0 +1,26 @@
+package ceos.backend.domain.startup.exception;
+
+import ceos.backend.global.common.dto.ErrorReason;
+import ceos.backend.global.error.BaseErrorCode;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+
+import static org.springframework.http.HttpStatus.BAD_REQUEST;
+
+@Getter
+@AllArgsConstructor
+public enum StartupErrorCode implements BaseErrorCode {
+
+    STARTUP_NOT_FOUND(BAD_REQUEST, "STARTUP_404_1", "존재하지 않는 창업 서비스입니다.");
+
+    private HttpStatus status;
+    private String code;
+    private String reason;
+
+    @Override
+    public ErrorReason getErrorReason() {
+        return ErrorReason.of(status.value(), code, reason);
+    }
+
+}
diff --git a/src/main/java/ceos/backend/domain/startup/exception/StartupNotFound.java b/src/main/java/ceos/backend/domain/startup/exception/StartupNotFound.java
new file mode 100644
index 0000000..33ff73f
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/exception/StartupNotFound.java
@@ -0,0 +1,14 @@
+package ceos.backend.domain.startup.exception;
+
+
+import ceos.backend.global.error.BaseErrorException;
+
+public class StartupNotFound extends BaseErrorException {
+
+    public static final StartupNotFound EXCEPTION = new StartupNotFound();
+
+    public StartupNotFound() {
+        super(StartupErrorCode.STARTUP_NOT_FOUND);
+    }
+
+}
diff --git a/src/main/java/ceos/backend/domain/startup/repository/StartupRepository.java b/src/main/java/ceos/backend/domain/startup/repository/StartupRepository.java
new file mode 100644
index 0000000..3e3e9e4
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/repository/StartupRepository.java
@@ -0,0 +1,8 @@
+package ceos.backend.domain.startup.repository;
+
+import ceos.backend.domain.startup.domain.Startup;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface StartupRepository extends JpaRepository<Startup, Long> {
+
+}
diff --git a/src/main/java/ceos/backend/domain/startup/service/StartupService.java b/src/main/java/ceos/backend/domain/startup/service/StartupService.java
new file mode 100644
index 0000000..30434dc
--- /dev/null
+++ b/src/main/java/ceos/backend/domain/startup/service/StartupService.java
@@ -0,0 +1,72 @@
+package ceos.backend.domain.startup.service;
+
+import ceos.backend.domain.startup.domain.Startup;
+import ceos.backend.domain.startup.dto.request.StartupRequest;
+import ceos.backend.domain.startup.dto.response.StartupResponse;
+import ceos.backend.domain.startup.dto.response.StartupsResponse;
+import ceos.backend.domain.startup.exception.StartupNotFound;
+import ceos.backend.domain.startup.repository.StartupRepository;
+import ceos.backend.global.common.dto.AwsS3Url;
+import ceos.backend.infra.s3.AwsS3UrlHandler;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Sort;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class StartupService {
+
+    private final StartupRepository startupRepository;
+    private final AwsS3UrlHandler awsS3UrlHandler;
+
+    @Transactional
+    public void createStartup(StartupRequest startupRequest) {
+        startupRepository.save(startupRequest.toEntity());
+    }
+
+    @Transactional(readOnly = true)
+    public StartupsResponse getStartups(Integer pageNum, Integer limit) {
+        PageRequest pageRequest = PageRequest.of(pageNum, limit, Sort.by("id").descending());
+
+        Page<Startup> startups = startupRepository.findAll(pageRequest);
+
+        return StartupsResponse.fromPageable(startups);
+    }
+
+    @Transactional(readOnly = true)
+    public StartupResponse getStartup(Long startupId) {
+        Startup startup = startupRepository.findById(startupId).orElseThrow(
+                () -> StartupNotFound.EXCEPTION
+        );
+
+        return StartupResponse.fromEntity(startup);
+    }
+
+    @Transactional
+    public StartupResponse updateStartup(Long startupId, StartupRequest startupRequest) {
+        Startup startup = startupRepository.findById(startupId).orElseThrow(
+                () -> StartupNotFound.EXCEPTION
+        );
+
+        startup.update(startupRequest);
+        return StartupResponse.fromEntity(startup);
+    }
+
+    @Transactional
+    public void deleteStartup(Long startupId) {
+        Startup startup = startupRepository.findById(startupId).orElseThrow(
+                () -> StartupNotFound.EXCEPTION
+        );
+
+        startupRepository.delete(startup);
+    }
+
+    @Transactional(readOnly = true)
+    public AwsS3Url getImageUrl() {
+        return awsS3UrlHandler.handle("startups");
+    }
+
+}
diff --git a/src/main/java/ceos/backend/global/config/WebSecurityConfig.java b/src/main/java/ceos/backend/global/config/WebSecurityConfig.java
index f9948be..c68a0e1 100644
--- a/src/main/java/ceos/backend/global/config/WebSecurityConfig.java
+++ b/src/main/java/ceos/backend/global/config/WebSecurityConfig.java
@@ -80,7 +80,8 @@ public class WebSecurityConfig {
         "/awards/**",
         "/managements/**",
         "/faq/**",
-        "/sponsors/**"
+        "/sponsors/**",
+        "/start-ups/**"
     };
 
     private final String[] GetPermittedPatterns = {
@@ -94,7 +95,8 @@ public class WebSecurityConfig {
         "/applications/question",
         "/applications/document",
         "/applications/final",
-        "/admin/reissue"
+        "/admin/reissue",
+        "/start-ups/**"
     };
 
     private final String[] PostPermittedPatterns = {"/applications"};