diff --git a/SPMS.API/Controllers/ServiceController.cs b/SPMS.API/Controllers/ServiceController.cs
new file mode 100644
index 0000000..222af1b
--- /dev/null
+++ b/SPMS.API/Controllers/ServiceController.cs
@@ -0,0 +1,66 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Swashbuckle.AspNetCore.Annotations;
+using SPMS.Application.DTOs.Service;
+using SPMS.Application.Interfaces;
+using SPMS.Domain.Common;
+
+namespace SPMS.API.Controllers;
+
+[ApiController]
+[Route("v1/in/service")]
+[ApiExplorerSettings(GroupName = "service")]
+[Authorize(Roles = "Super")]
+public class ServiceController : ControllerBase
+{
+    private readonly IServiceManagementService _serviceManagementService;
+
+    public ServiceController(IServiceManagementService serviceManagementService)
+    {
+        _serviceManagementService = serviceManagementService;
+    }
+
+    [HttpPost("list")]
+    [SwaggerOperation(
+        Summary = "서비스 목록 조회",
+        Description = "등록된 서비스 목록을 조회합니다. 페이징, 검색, 상태 필터를 지원합니다.")]
+    [SwaggerResponse(200, "조회 성공", typeof(ApiResponse<ServiceListResponseDto>))]
+    [SwaggerResponse(401, "인증되지 않은 요청")]
+    [SwaggerResponse(403, "권한 없음")]
+    public async Task<IActionResult> GetListAsync([FromBody] ServiceListRequestDto request)
+    {
+        var result = await _serviceManagementService.GetListAsync(request);
+        return Ok(ApiResponse<ServiceListResponseDto>.Success(result));
+    }
+
+    [HttpPost("{serviceCode}")]
+    [SwaggerOperation(
+        Summary = "서비스 상세 조회",
+        Description = "특정 서비스의 상세 정보를 조회합니다.")]
+    [SwaggerResponse(200, "조회 성공", typeof(ApiResponse<ServiceResponseDto>))]
+    [SwaggerResponse(401, "인증되지 않은 요청")]
+    [SwaggerResponse(403, "권한 없음")]
+    [SwaggerResponse(404, "서비스를 찾을 수 없음")]
+    public async Task<IActionResult> GetByServiceCodeAsync([FromRoute] string serviceCode)
+    {
+        var result = await _serviceManagementService.GetByServiceCodeAsync(serviceCode);
+        return Ok(ApiResponse<ServiceResponseDto>.Success(result));
+    }
+
+    [HttpPost("{serviceCode}/status")]
+    [SwaggerOperation(
+        Summary = "서비스 상태 변경",
+        Description = "서비스의 상태를 변경합니다. (Active: 0, Suspended: 1)")]
+    [SwaggerResponse(200, "상태 변경 성공", typeof(ApiResponse<ServiceResponseDto>))]
+    [SwaggerResponse(400, "잘못된 요청 또는 이미 해당 상태")]
+    [SwaggerResponse(401, "인증되지 않은 요청")]
+    [SwaggerResponse(403, "권한 없음")]
+    [SwaggerResponse(404, "서비스를 찾을 수 없음")]
+    public async Task<IActionResult> ChangeStatusAsync(
+        [FromRoute] string serviceCode,
+        [FromBody] ChangeServiceStatusRequestDto request)
+    {
+        var result = await _serviceManagementService.ChangeStatusAsync(serviceCode, request);
+        return Ok(ApiResponse<ServiceResponseDto>.Success(result));
+    }
+}
diff --git a/SPMS.Application/DTOs/Service/ChangeServiceStatusRequestDto.cs b/SPMS.Application/DTOs/Service/ChangeServiceStatusRequestDto.cs
new file mode 100644
index 0000000..95b167a
--- /dev/null
+++ b/SPMS.Application/DTOs/Service/ChangeServiceStatusRequestDto.cs
@@ -0,0 +1,10 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace SPMS.Application.DTOs.Service;
+
+public class ChangeServiceStatusRequestDto
+{
+    [Required(ErrorMessage = "상태를 선택해주세요.")]
+    [Range(0, 1, ErrorMessage = "상태는 Active(0) 또는 Suspended(1)만 가능합니다.")]
+    public int Status { get; set; }
+}
diff --git a/SPMS.Application/DTOs/Service/ServiceListRequestDto.cs b/SPMS.Application/DTOs/Service/ServiceListRequestDto.cs
new file mode 100644
index 0000000..8e7f451
--- /dev/null
+++ b/SPMS.Application/DTOs/Service/ServiceListRequestDto.cs
@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace SPMS.Application.DTOs.Service;
+
+public class ServiceListRequestDto
+{
+    [Range(1, int.MaxValue, ErrorMessage = "페이지 번호는 1 이상이어야 합니다.")]
+    public int Page { get; set; } = 1;
+
+    [Range(1, 100, ErrorMessage = "페이지 크기는 1~100 사이여야 합니다.")]
+    public int PageSize { get; set; } = 20;
+
+    public string? SearchKeyword { get; set; }
+    public int? Status { get; set; }
+}
diff --git a/SPMS.Application/DTOs/Service/ServiceListResponseDto.cs b/SPMS.Application/DTOs/Service/ServiceListResponseDto.cs
new file mode 100644
index 0000000..db585f2
--- /dev/null
+++ b/SPMS.Application/DTOs/Service/ServiceListResponseDto.cs
@@ -0,0 +1,21 @@
+namespace SPMS.Application.DTOs.Service;
+
+public class ServiceListResponseDto
+{
+    public List<ServiceSummaryDto> Items { get; set; } = new();
+    public int TotalCount { get; set; }
+    public int Page { get; set; }
+    public int PageSize { get; set; }
+    public int TotalPages => (int)Math.Ceiling((double)TotalCount / PageSize);
+}
+
+public class ServiceSummaryDto
+{
+    public string ServiceCode { get; set; } = string.Empty;
+    public string ServiceName { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public string SubTier { get; set; } = string.Empty;
+    public string Status { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; }
+    public int DeviceCount { get; set; }
+}
diff --git a/SPMS.Application/DTOs/Service/ServiceResponseDto.cs b/SPMS.Application/DTOs/Service/ServiceResponseDto.cs
new file mode 100644
index 0000000..bc473ca
--- /dev/null
+++ b/SPMS.Application/DTOs/Service/ServiceResponseDto.cs
@@ -0,0 +1,25 @@
+namespace SPMS.Application.DTOs.Service;
+
+public class ServiceResponseDto
+{
+    public string ServiceCode { get; set; } = string.Empty;
+    public string ServiceName { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public string ApiKey { get; set; } = string.Empty;
+    public DateTime ApiKeyCreatedAt { get; set; }
+    public string? ApnsBundleId { get; set; }
+    public string? ApnsKeyId { get; set; }
+    public string? ApnsTeamId { get; set; }
+    public bool HasApnsKey { get; set; }
+    public bool HasFcmCredentials { get; set; }
+    public string? WebhookUrl { get; set; }
+    public string? Tags { get; set; }
+    public string SubTier { get; set; } = string.Empty;
+    public DateTime? SubStartedAt { get; set; }
+    public string Status { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; }
+    public string CreatedByName { get; set; } = string.Empty;
+    public DateTime? UpdatedAt { get; set; }
+    public int DeviceCount { get; set; }
+    public List<string> AllowedIps { get; set; } = new();
+}
diff --git a/SPMS.Application/DependencyInjection.cs b/SPMS.Application/DependencyInjection.cs
index d3113d0..6fa1a60 100644
--- a/SPMS.Application/DependencyInjection.cs
+++ b/SPMS.Application/DependencyInjection.cs
@@ -11,6 +11,7 @@ public static class DependencyInjection
         // Application Services
         services.AddScoped<IAuthService, AuthService>();
         services.AddScoped<IAccountService, AccountService>();
+        services.AddScoped<IServiceManagementService, ServiceManagementService>();
 
         return services;
     }
diff --git a/SPMS.Application/Interfaces/IServiceManagementService.cs b/SPMS.Application/Interfaces/IServiceManagementService.cs
new file mode 100644
index 0000000..329f60a
--- /dev/null
+++ b/SPMS.Application/Interfaces/IServiceManagementService.cs
@@ -0,0 +1,10 @@
+using SPMS.Application.DTOs.Service;
+
+namespace SPMS.Application.Interfaces;
+
+public interface IServiceManagementService
+{
+    Task<ServiceListResponseDto> GetListAsync(ServiceListRequestDto request);
+    Task<ServiceResponseDto> GetByServiceCodeAsync(string serviceCode);
+    Task<ServiceResponseDto> ChangeStatusAsync(string serviceCode, ChangeServiceStatusRequestDto request);
+}
diff --git a/SPMS.Application/Services/ServiceManagementService.cs b/SPMS.Application/Services/ServiceManagementService.cs
new file mode 100644
index 0000000..80b671d
--- /dev/null
+++ b/SPMS.Application/Services/ServiceManagementService.cs
@@ -0,0 +1,153 @@
+using System.Linq.Expressions;
+using SPMS.Application.DTOs.Service;
+using SPMS.Application.Interfaces;
+using SPMS.Domain.Common;
+using SPMS.Domain.Entities;
+using SPMS.Domain.Enums;
+using SPMS.Domain.Exceptions;
+using SPMS.Domain.Interfaces;
+
+namespace SPMS.Application.Services;
+
+public class ServiceManagementService : IServiceManagementService
+{
+    private readonly IServiceRepository _serviceRepository;
+    private readonly IUnitOfWork _unitOfWork;
+
+    public ServiceManagementService(IServiceRepository serviceRepository, IUnitOfWork unitOfWork)
+    {
+        _serviceRepository = serviceRepository;
+        _unitOfWork = unitOfWork;
+    }
+
+    public async Task<ServiceListResponseDto> GetListAsync(ServiceListRequestDto request)
+    {
+        Expression<Func<Service, bool>>? predicate = null;
+
+        // 검색어 필터
+        if (!string.IsNullOrWhiteSpace(request.SearchKeyword))
+        {
+            var keyword = request.SearchKeyword;
+            predicate = s => s.ServiceName.Contains(keyword) || s.ServiceCode.Contains(keyword);
+        }
+
+        // Status 필터
+        if (request.Status.HasValue)
+        {
+            var status = (ServiceStatus)request.Status.Value;
+            if (predicate != null)
+            {
+                var basePredicate = predicate;
+                predicate = s => basePredicate.Compile()(s) && s.Status == status;
+            }
+            else
+            {
+                predicate = s => s.Status == status;
+            }
+        }
+
+        var (items, totalCount) = await _serviceRepository.GetPagedAsync(
+            request.Page,
+            request.PageSize,
+            predicate,
+            s => s.CreatedAt,
+            descending: true);
+
+        return new ServiceListResponseDto
+        {
+            Items = items.Select(MapToSummaryDto).ToList(),
+            TotalCount = totalCount,
+            Page = request.Page,
+            PageSize = request.PageSize
+        };
+    }
+
+    public async Task<ServiceResponseDto> GetByServiceCodeAsync(string serviceCode)
+    {
+        var service = await _serviceRepository.GetByServiceCodeAsync(serviceCode);
+        if (service is null)
+        {
+            throw new SpmsException(
+                ErrorCodes.NotFound,
+                "서비스를 찾을 수 없습니다.",
+                404);
+        }
+
+        // IP 목록 포함해서 다시 조회
+        var serviceWithIps = await _serviceRepository.GetByIdWithIpsAsync(service.Id);
+
+        return MapToDto(serviceWithIps ?? service);
+    }
+
+    public async Task<ServiceResponseDto> ChangeStatusAsync(string serviceCode, ChangeServiceStatusRequestDto request)
+    {
+        var service = await _serviceRepository.GetByServiceCodeAsync(serviceCode);
+        if (service is null)
+        {
+            throw new SpmsException(
+                ErrorCodes.NotFound,
+                "서비스를 찾을 수 없습니다.",
+                404);
+        }
+
+        var newStatus = (ServiceStatus)request.Status;
+
+        // 이미 같은 상태면 변경 없음
+        if (service.Status == newStatus)
+        {
+            throw new SpmsException(
+                ErrorCodes.NoChange,
+                "이미 해당 상태입니다.",
+                400);
+        }
+
+        service.Status = newStatus;
+        service.UpdatedAt = DateTime.UtcNow;
+
+        _serviceRepository.Update(service);
+        await _unitOfWork.SaveChangesAsync();
+
+        return MapToDto(service);
+    }
+
+    private static ServiceSummaryDto MapToSummaryDto(Service service)
+    {
+        return new ServiceSummaryDto
+        {
+            ServiceCode = service.ServiceCode,
+            ServiceName = service.ServiceName,
+            Description = service.Description,
+            SubTier = service.SubTier.ToString(),
+            Status = service.Status.ToString(),
+            CreatedAt = service.CreatedAt,
+            DeviceCount = service.Devices?.Count ?? 0
+        };
+    }
+
+    private static ServiceResponseDto MapToDto(Service service)
+    {
+        return new ServiceResponseDto
+        {
+            ServiceCode = service.ServiceCode,
+            ServiceName = service.ServiceName,
+            Description = service.Description,
+            ApiKey = service.ApiKey,
+            ApiKeyCreatedAt = service.ApiKeyCreatedAt,
+            ApnsBundleId = service.ApnsBundleId,
+            ApnsKeyId = service.ApnsKeyId,
+            ApnsTeamId = service.ApnsTeamId,
+            HasApnsKey = !string.IsNullOrEmpty(service.ApnsPrivateKey),
+            HasFcmCredentials = !string.IsNullOrEmpty(service.FcmCredentials),
+            WebhookUrl = service.WebhookUrl,
+            Tags = service.Tags,
+            SubTier = service.SubTier.ToString(),
+            SubStartedAt = service.SubStartedAt,
+            Status = service.Status.ToString(),
+            CreatedAt = service.CreatedAt,
+            CreatedByName = service.CreatedByAdmin?.Name ?? string.Empty,
+            UpdatedAt = service.UpdatedAt,
+            DeviceCount = service.Devices?.Count ?? 0,
+            AllowedIps = service.ServiceIps?.Select(ip => ip.IpAddress).ToList() ?? new List<string>()
+        };
+    }
+}