diff --git a/src/product/product.module.ts b/src/product/product.module.ts
index e5ffd25..aa13d20 100644
--- a/src/product/product.module.ts
+++ b/src/product/product.module.ts
@@ -1,10 +1,12 @@
-import { Module } from '@nestjs/common';
+import { Global, Module } from '@nestjs/common';
 import { ProductService } from './services';
 import { ProductRepository } from '@app/common/modules/product/repositories';
 import { ProductController } from './controllers';
 
+@Global()
 @Module({
   controllers: [ProductController],
   providers: [ProductService, ProductRepository],
+  exports: [ProductService],
 })
 export class ProductModule {}
diff --git a/src/product/services/product.service.ts b/src/product/services/product.service.ts
index cebf9ba..4b9377c 100644
--- a/src/product/services/product.service.ts
+++ b/src/product/services/product.service.ts
@@ -21,4 +21,23 @@ export class ProductService {
       message: 'List of products retrieved successfully',
     });
   }
+
+  async findOne(productUuid: string): Promise<BaseResponseDto> {
+    const product = await this.productRepository.findOne({
+      where: {
+        uuid: productUuid,
+      },
+    });
+    if (!product) {
+      throw new HttpException(
+        `No product with ${productUuid} found in the system`,
+        HttpStatus.NOT_FOUND,
+      );
+    }
+
+    return new SuccessResponseDto({
+      data: product,
+      message: 'Succefully retrieved product',
+    });
+  }
 }
diff --git a/src/space-model/common/index.ts b/src/space-model/common/index.ts
new file mode 100644
index 0000000..e371345
--- /dev/null
+++ b/src/space-model/common/index.ts
@@ -0,0 +1 @@
+export * from './services';
diff --git a/src/space-model/common/services/base-product-item-model.service.ts b/src/space-model/common/services/base-product-item-model.service.ts
new file mode 100644
index 0000000..80c8119
--- /dev/null
+++ b/src/space-model/common/services/base-product-item-model.service.ts
@@ -0,0 +1,60 @@
+import { HttpException, HttpStatus } from '@nestjs/common';
+import { QueryRunner } from 'typeorm';
+import { SpaceModelEntity } from '@app/common/modules/space-model';
+import { CreateProductItemModelDto } from 'src/space-model/dtos';
+
+export abstract class BaseProductItemService {
+  async validateTags(
+    itemModelDtos: CreateProductItemModelDto[],
+    queryRunner: QueryRunner,
+    spaceModel: SpaceModelEntity,
+  ): Promise<void> {
+    const incomingTags = new Set(
+      itemModelDtos.map((item) => item.tag).filter(Boolean),
+    );
+
+    const duplicateTags = itemModelDtos
+      .map((item) => item.tag)
+      .filter((tag, index, array) => array.indexOf(tag) !== index);
+
+    if (duplicateTags.length > 0) {
+      throw new HttpException(
+        `Duplicate tags found in the request: ${[...new Set(duplicateTags)].join(', ')}`,
+        HttpStatus.BAD_REQUEST,
+      );
+    }
+
+    const existingTagsQuery = `
+      SELECT DISTINCT tag
+      FROM (
+        SELECT spi.tag
+        FROM "subspace-product-item-model" spi
+        INNER JOIN "subspace-product-model" spm ON spi.subspace_product_model_uuid = spm.uuid
+        INNER JOIN "subspace-model" sm ON spm.subspace_model_uuid = sm.uuid
+        WHERE sm.space_model_uuid = $1
+        UNION
+        SELECT spi.tag
+        FROM "space-product-item-model" spi
+        INNER JOIN "space-product-model" spm ON spi.space_product_model_uuid = spm.uuid
+        WHERE spm.space_model_uuid = $1
+      ) AS combined_tags;
+    `;
+
+    const existingTags = await queryRunner.manager.query(existingTagsQuery, [
+      spaceModel.uuid,
+    ]);
+    const existingTagsSet = new Set(
+      existingTags.map((row: { tag: string }) => row.tag),
+    );
+
+    const conflictingTags = [...incomingTags].filter((tag) =>
+      existingTagsSet.has(tag),
+    );
+    if (conflictingTags.length > 0) {
+      throw new HttpException(
+        `Tags already exist in the model: ${conflictingTags.join(', ')}`,
+        HttpStatus.CONFLICT,
+      );
+    }
+  }
+}
diff --git a/src/space-model/common/services/base-product-model.service.ts b/src/space-model/common/services/base-product-model.service.ts
new file mode 100644
index 0000000..b83511a
--- /dev/null
+++ b/src/space-model/common/services/base-product-model.service.ts
@@ -0,0 +1,24 @@
+import { HttpException, HttpStatus } from '@nestjs/common';
+import { CreateSpaceProductModelDto } from 'src/space-model/dtos';
+import { ProductService } from '../../../product/services';
+
+export abstract class BaseProductModelService {
+  constructor(private readonly productService: ProductService) {}
+
+  protected async validateProductCount(
+    dto: CreateSpaceProductModelDto,
+  ): Promise<void> {
+    const productItemCount = dto.items.length;
+    if (dto.productCount !== productItemCount) {
+      throw new HttpException(
+        `Product count (${dto.productCount}) does not match the number of items (${productItemCount}) for product ID ${dto.productUuid}.`,
+        HttpStatus.BAD_REQUEST,
+      );
+    }
+  }
+
+  protected async getProduct(productId: string) {
+    const product = await this.productService.findOne(productId);
+    return product.data;
+  }
+}
diff --git a/src/space-model/common/services/index.ts b/src/space-model/common/services/index.ts
new file mode 100644
index 0000000..d1cc61e
--- /dev/null
+++ b/src/space-model/common/services/index.ts
@@ -0,0 +1,2 @@
+export * from './base-product-item-model.service';
+export * from './base-product-model.service';
diff --git a/src/space-model/dtos/create-subspace-model.dto.ts b/src/space-model/dtos/create-subspace-model.dto.ts
index a27ad3b..f8dbcdd 100644
--- a/src/space-model/dtos/create-subspace-model.dto.ts
+++ b/src/space-model/dtos/create-subspace-model.dto.ts
@@ -1,5 +1,13 @@
 import { ApiProperty } from '@nestjs/swagger';
-import { IsNotEmpty, IsString } from 'class-validator';
+import {
+  IsArray,
+  IsNotEmpty,
+  IsOptional,
+  IsString,
+  ValidateNested,
+} from 'class-validator';
+import { CreateSpaceProductModelDto } from './create-space-product-model.dto';
+import { Type } from 'class-transformer';
 
 export class CreateSubspaceModelDto {
   @ApiProperty({
@@ -9,4 +17,14 @@ export class CreateSubspaceModelDto {
   @IsNotEmpty()
   @IsString()
   subspaceName: string;
+
+  @ApiProperty({
+    description: 'List of products included in the model',
+    type: [CreateSpaceProductModelDto],
+  })
+  @IsArray()
+  @IsOptional()
+  @ValidateNested({ each: true })
+  @Type(() => CreateSpaceProductModelDto)
+  spaceProductModels?: CreateSpaceProductModelDto[];
 }
diff --git a/src/space-model/services/index.ts b/src/space-model/services/index.ts
index 88e2d41..9972aab 100644
--- a/src/space-model/services/index.ts
+++ b/src/space-model/services/index.ts
@@ -2,3 +2,5 @@ export * from './space-model.service';
 export * from './space-product-item-model.service';
 export * from './space-product-model.service';
 export * from './subspace-model.service';
+export * from './subspace-product-item-model.service';
+export * from './space-product-model.service';
diff --git a/src/space-model/services/space-product-item-model.service.ts b/src/space-model/services/space-product-item-model.service.ts
index f7f8b04..c69cae8 100644
--- a/src/space-model/services/space-product-item-model.service.ts
+++ b/src/space-model/services/space-product-item-model.service.ts
@@ -6,12 +6,15 @@ import {
 import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
 import { CreateProductItemModelDto } from '../dtos';
 import { QueryRunner } from 'typeorm';
+import { BaseProductItemService } from '../common';
 
 @Injectable()
-export class SpaceProductItemModelService {
+export class SpaceProductItemModelService extends BaseProductItemService {
   constructor(
     private readonly spaceProductItemRepository: SpaceProductItemModelRepository,
-  ) {}
+  ) {
+    super();
+  }
 
   async createProdutItemModel(
     itemModelDtos: CreateProductItemModelDto[],
@@ -41,41 +44,4 @@ export class SpaceProductItemModelService {
       );
     }
   }
-
-  private async validateTags(
-    itemModelDtos: CreateProductItemModelDto[],
-    queryRunner: QueryRunner,
-    spaceModel: SpaceModelEntity,
-  ) {
-    const incomingTags = itemModelDtos.map((item) => item.tag);
-
-    const duplicateTags = incomingTags.filter(
-      (tag, index) => incomingTags.indexOf(tag) !== index,
-    );
-    if (duplicateTags.length > 0) {
-      throw new HttpException(
-        `Duplicate tags found in the request: ${[...new Set(duplicateTags)].join(', ')}`,
-        HttpStatus.BAD_REQUEST,
-      );
-    }
-
-    const existingTags = await queryRunner.manager.find(
-      this.spaceProductItemRepository.target,
-      {
-        where: { spaceProductModel: { spaceModel } },
-        select: ['tag'],
-      },
-    );
-    const existingTagSet = new Set(existingTags.map((item) => item.tag));
-
-    const conflictingTags = incomingTags.filter((tag) =>
-      existingTagSet.has(tag),
-    );
-    if (conflictingTags.length > 0) {
-      throw new HttpException(
-        `Tags already exist in the model: ${conflictingTags.join(', ')}`,
-        HttpStatus.CONFLICT,
-      );
-    }
-  }
 }
diff --git a/src/space-model/services/space-product-model.service.ts b/src/space-model/services/space-product-model.service.ts
index 27bad29..1e16c6f 100644
--- a/src/space-model/services/space-product-model.service.ts
+++ b/src/space-model/services/space-product-model.service.ts
@@ -4,17 +4,20 @@ import {
 } from '@app/common/modules/space-model';
 import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
 import { CreateSpaceProductModelDto } from '../dtos';
-import { ProductRepository } from '@app/common/modules/product/repositories';
 import { SpaceProductItemModelService } from './space-product-item-model.service';
 import { QueryRunner } from 'typeorm';
+import { BaseProductModelService } from '../common';
+import { ProductService } from 'src/product/services';
 
 @Injectable()
-export class SpaceProductModelService {
+export class SpaceProductModelService extends BaseProductModelService {
   constructor(
     private readonly spaceProductModelRepository: SpaceProductModelRepository,
-    private readonly productRepository: ProductRepository,
     private readonly spaceProductItemModelService: SpaceProductItemModelService,
-  ) {}
+    productService: ProductService,
+  ) {
+    super(productService);
+  }
 
   async createSpaceProductModels(
     spaceProductModelDtos: CreateSpaceProductModelDto[],
@@ -61,25 +64,4 @@ export class SpaceProductModelService {
       );
     }
   }
-
-  private validateProductCount(dto: CreateSpaceProductModelDto) {
-    const productItemCount = dto.items.length;
-    if (dto.productCount !== productItemCount) {
-      throw new HttpException(
-        `Product count (${dto.productCount}) does not match the number of items (${productItemCount}) for product ID ${dto.productUuid}.`,
-        HttpStatus.BAD_REQUEST,
-      );
-    }
-  }
-
-  private async getProduct(productId: string) {
-    const product = await this.productRepository.findOneBy({ uuid: productId });
-    if (!product) {
-      throw new HttpException(
-        `Product with ID ${productId} not found.`,
-        HttpStatus.NOT_FOUND,
-      );
-    }
-    return product;
-  }
 }
diff --git a/src/space-model/services/subspace-model.service.ts b/src/space-model/services/subspace-model.service.ts
index a6a75aa..11a501c 100644
--- a/src/space-model/services/subspace-model.service.ts
+++ b/src/space-model/services/subspace-model.service.ts
@@ -5,11 +5,13 @@ import {
 import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
 import { CreateSubspaceModelDto } from '../dtos';
 import { QueryRunner } from 'typeorm';
+import { SubspaceProductModelService } from './subspace-product-model.service';
 
 @Injectable()
 export class SubSpaceModelService {
   constructor(
     private readonly subspaceModelRepository: SubspaceModelRepository,
+    private readonly subSpaceProducetModelService: SubspaceProductModelService,
   ) {}
 
   async createSubSpaceModels(
@@ -28,6 +30,18 @@ export class SubSpaceModelService {
       );
 
       await queryRunner.manager.save(subspaces);
+
+      await Promise.all(
+        subSpaceModelDtos.map((dto, index) => {
+          const subspaceModel = subspaces[index];
+          return this.subSpaceProducetModelService.createSubspaceProductModels(
+            dto.spaceProductModels,
+            spaceModel,
+            subspaceModel,
+            queryRunner,
+          );
+        }),
+      );
     } catch (error) {
       if (error instanceof HttpException) {
         throw error;
diff --git a/src/space-model/services/subspace-product-item-model.service.ts b/src/space-model/services/subspace-product-item-model.service.ts
new file mode 100644
index 0000000..54c76ff
--- /dev/null
+++ b/src/space-model/services/subspace-product-item-model.service.ts
@@ -0,0 +1,53 @@
+import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
+import { CreateProductItemModelDto } from '../dtos';
+import { QueryRunner } from 'typeorm';
+import {
+  SpaceModelEntity,
+  SubspaceProductItemModelRepository,
+  SubspaceProductModelEntity,
+} from '@app/common/modules/space-model';
+import { BaseProductItemService } from '../common';
+
+@Injectable()
+export class SubspaceProductItemModelService extends BaseProductItemService {
+  constructor(
+    private readonly subspaceProductItemRepository: SubspaceProductItemModelRepository,
+  ) {
+    super();
+  }
+
+  async createProdutItemModel(
+    itemModelDtos: CreateProductItemModelDto[],
+    subspaceProductModel: SubspaceProductModelEntity,
+    spaceModel: SpaceModelEntity,
+    queryRunner: QueryRunner,
+  ) {
+    if (!subspaceProductModel) {
+      throw new HttpException(
+        'The spaceProductModel parameter is required but was not provided.',
+        HttpStatus.BAD_REQUEST,
+      );
+    }
+    await this.validateTags(itemModelDtos, queryRunner, spaceModel);
+    try {
+      const productItems = itemModelDtos.map((dto) =>
+        queryRunner.manager.create(this.subspaceProductItemRepository.target, {
+          tag: dto.tag,
+          subspaceProductModel,
+        }),
+      );
+
+      await queryRunner.manager.save(productItems);
+    } catch (error) {
+      if (error instanceof HttpException) {
+        throw error;
+      }
+
+      throw new HttpException(
+        error.message ||
+          'An unexpected error occurred while creating product items.',
+        HttpStatus.INTERNAL_SERVER_ERROR,
+      );
+    }
+  }
+}
diff --git a/src/space-model/services/subspace-product-model.service.ts b/src/space-model/services/subspace-product-model.service.ts
new file mode 100644
index 0000000..ccf3d11
--- /dev/null
+++ b/src/space-model/services/subspace-product-model.service.ts
@@ -0,0 +1,69 @@
+import {
+  SpaceModelEntity,
+  SubspaceModelEntity,
+  SubspaceProductModelRepository,
+} from '@app/common/modules/space-model';
+import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
+import { SubspaceProductItemModelService } from './subspace-product-item-model.service';
+import { CreateSpaceProductModelDto } from '../dtos';
+import { QueryRunner } from 'typeorm';
+import { BaseProductModelService } from '../common';
+import { ProductService } from 'src/product/services';
+
+@Injectable()
+export class SubspaceProductModelService extends BaseProductModelService {
+  constructor(
+    private readonly subpaceProductModelRepository: SubspaceProductModelRepository,
+    productService: ProductService,
+    private readonly subspaceProductItemModelService: SubspaceProductItemModelService,
+  ) {
+    super(productService);
+  }
+
+  async createSubspaceProductModels(
+    spaceProductModelDtos: CreateSpaceProductModelDto[],
+    spaceModel: SpaceModelEntity,
+    subspaceModel: SubspaceModelEntity,
+    queryRunner: QueryRunner,
+  ) {
+    try {
+      const productModels = await Promise.all(
+        spaceProductModelDtos.map(async (dto) => {
+          this.validateProductCount(dto);
+          const product = await this.getProduct(dto.productUuid);
+          return queryRunner.manager.create(
+            this.subpaceProductModelRepository.target,
+            {
+              product,
+              productCount: dto.productCount,
+              subspaceModel,
+            },
+          );
+        }),
+      );
+
+      const savedProductModels = await queryRunner.manager.save(productModels);
+
+      await Promise.all(
+        spaceProductModelDtos.map((dto, index) => {
+          const savedModel = savedProductModels[index];
+          return this.subspaceProductItemModelService.createProdutItemModel(
+            dto.items,
+            savedModel, // Pass the saved model
+            spaceModel,
+            queryRunner,
+          );
+        }),
+      );
+    } catch (error) {
+      if (error instanceof HttpException) {
+        throw error;
+      }
+      throw new HttpException(
+        error.message ||
+          'An unexpected error occurred while creating product models.',
+        HttpStatus.INTERNAL_SERVER_ERROR,
+      );
+    }
+  }
+}
diff --git a/src/space-model/space-model.module.ts b/src/space-model/space-model.module.ts
index bbc6245..5c189a1 100644
--- a/src/space-model/space-model.module.ts
+++ b/src/space-model/space-model.module.ts
@@ -7,15 +7,19 @@ import {
   SpaceProductItemModelService,
   SpaceProductModelService,
   SubSpaceModelService,
+  SubspaceProductItemModelService,
 } from './services';
 import {
   SpaceModelRepository,
   SpaceProductItemModelRepository,
   SpaceProductModelRepository,
   SubspaceModelRepository,
+  SubspaceProductItemModelRepository,
+  SubspaceProductModelRepository,
 } from '@app/common/modules/space-model';
 import { ProjectRepository } from '@app/common/modules/project/repositiories';
 import { ProductRepository } from '@app/common/modules/product/repositories';
+import { SubspaceProductModelService } from './services/subspace-product-model.service';
 
 @Module({
   imports: [ConfigModule, SpaceRepositoryModule],
@@ -31,6 +35,10 @@ import { ProductRepository } from '@app/common/modules/product/repositories';
     ProductRepository,
     SpaceProductItemModelService,
     SpaceProductItemModelRepository,
+    SubspaceProductItemModelService,
+    SubspaceProductItemModelRepository,
+    SubspaceProductModelService,
+    SubspaceProductModelRepository,
   ],
   exports: [],
 })