diff --git a/frontend/app/api_client.ts b/frontend/app/api_client.ts
index 2a9394687..c967e9c0f 100644
--- a/frontend/app/api_client.ts
+++ b/frontend/app/api_client.ts
@@ -1,6 +1,7 @@
 import store from 'App/store';
 import { queried } from './routes';
 import { setJwt } from 'Duck/user';
+import { projectStore } from 'App/mstore';
 
 const siteIdRequiredPaths: string[] = [
   '/dashboard',
@@ -59,7 +60,7 @@ export default class APIClient {
 
   constructor() {
     const jwt = store.getState().getIn(['user', 'jwt']);
-    const siteId = store.getState().getIn(['site', 'siteId']);
+    const { siteId } = projectStore.getSiteId();
     this.init = {
       headers: new Headers({
         Accept: 'application/json',
@@ -69,7 +70,7 @@ export default class APIClient {
     if (jwt !== null) {
       (this.init.headers as Headers).set('Authorization', `Bearer ${jwt}`);
     }
-    this.siteId = siteId;
+    this.siteId = siteId || undefined;
   }
 
   private getInit(method: string = 'GET', params?: any, reqHeaders?: Record<string, any>): RequestInit {
diff --git a/frontend/app/mstore/index.tsx b/frontend/app/mstore/index.tsx
index b127fa585..3101f8a36 100644
--- a/frontend/app/mstore/index.tsx
+++ b/frontend/app/mstore/index.tsx
@@ -28,6 +28,9 @@ import UiPlayerStore from './uiPlayerStore';
 import IssueReportingStore from './issueReportingStore';
 import CustomFieldStore from './customFieldStore';
 import { IntegrationsStore } from "./integrationsStore";
+import ProjectsStore from './projectsStore';
+
+export const projectStore = new ProjectsStore();
 
 export class RootStore {
   dashboardStore: DashboardStore;
@@ -57,6 +60,7 @@ export class RootStore {
   issueReportingStore: IssueReportingStore;
   customFieldStore: CustomFieldStore;
   integrationsStore: IntegrationsStore
+  projectsStore: ProjectsStore;
 
   constructor() {
     this.dashboardStore = new DashboardStore();
@@ -86,6 +90,7 @@ export class RootStore {
     this.issueReportingStore = new IssueReportingStore();
     this.customFieldStore = new CustomFieldStore();
     this.integrationsStore = new IntegrationsStore();
+    this.projectsStore = projectStore;
   }
 
   initClient() {
diff --git a/frontend/app/mstore/projectsStore.ts b/frontend/app/mstore/projectsStore.ts
new file mode 100644
index 000000000..cdd87fd61
--- /dev/null
+++ b/frontend/app/mstore/projectsStore.ts
@@ -0,0 +1,143 @@
+import { makeAutoObservable, runInAction } from 'mobx';
+import Project from './types/project';
+import GDPR from './types/gdpr';
+import { GLOBAL_HAS_NO_RECORDINGS, SITE_ID_STORAGE_KEY } from 'App/constants/storageKeys';
+import { projectsService } from "App/services";
+
+export default class ProjectsStore {
+  list: Project[] = [];
+  instance: Project | null = null;
+  siteId: string | null = null;
+  active: Project | null = null;
+  sitesLoading = false;
+
+  constructor() {
+    const storedSiteId = localStorage.getItem(SITE_ID_STORAGE_KEY);
+    this.siteId = storedSiteId ?? null;
+    makeAutoObservable(this);
+  }
+
+  getSiteId = () => {
+    return {
+      siteId: this.siteId,
+      active: this.active,
+    };
+  }
+
+  initProject = (project: Partial<Project>) => {
+    this.instance = new Project(project);
+  }
+
+  setSitesLoading = (loading: boolean) => {
+    this.sitesLoading = loading;
+  }
+
+  setSiteId(siteId: string) {
+    this.siteId = siteId;
+    localStorage.setItem(SITE_ID_STORAGE_KEY, siteId.toString());
+    this.active = this.list.find((site) => site.id! === siteId) ?? null;
+  }
+
+  editGDPR(gdprData: Partial<GDPR>) {
+    if (this.instance) {
+      this.instance.gdpr.edit(gdprData);
+    }
+  }
+
+  editInstance = (instance: Partial<Project>) => {
+    if (!this.instance) return;
+    this.instance.edit(instance);
+  }
+
+  async fetchGDPR(siteId: string) {
+    try {
+      const response = await projectsService.fetchGDPR(siteId)
+      runInAction(() => {
+        if (this.instance) {
+          Object.assign(this.instance.gdpr, response.data);
+        }
+      });
+    } catch (error) {
+      console.error('Failed to fetch GDPR:', error);
+    }
+  }
+
+  saveGDPR = async (siteId: string) => {
+    if (!this.instance) return;
+    try {
+      const gdprData = this.instance.gdpr.toData();
+      const response = await projectsService.saveGDPR(siteId, gdprData);
+      this.editGDPR(response.data);
+    } catch (error) {
+      console.error('Failed to save GDPR:', error);
+    }
+  }
+
+  fetchList = async (siteIdFromPath: string) =>{
+    this.setSitesLoading(true);
+    try {
+      const response = await projectsService.fetchList();
+      runInAction(() => {
+        this.list = response.data.map((data) => new Project(data));
+        const siteIds = this.list.map(site => site.id);
+        let siteId = this.siteId;
+        const siteExists = siteId ? siteIds.includes(siteId) : false;
+
+        if (siteIdFromPath && siteIds.includes(siteIdFromPath)) {
+          siteId = siteIdFromPath;
+        } else if (!siteId || !siteExists) {
+          siteId = siteIds.includes(this.siteId)
+                   ? this.siteId
+                   : response.data[0].projectId;
+        }
+
+        const hasRecordings = this.list.some(site => site.recorded);
+        if (!hasRecordings) {
+          localStorage.setItem(GLOBAL_HAS_NO_RECORDINGS, 'true');
+        } else {
+          localStorage.removeItem(GLOBAL_HAS_NO_RECORDINGS);
+        }
+        if (siteId) {
+          this.setSiteId(siteId);
+        }
+      });
+    } catch (error) {
+      console.error('Failed to fetch site list:', error);
+    } finally {
+      this.setSitesLoading(false);
+    }
+  }
+
+  save = async (projectData: Partial<Project>) => {
+    try {
+      const response = await projectsService.saveProject(projectData);
+      runInAction(() => {
+        const newSite = new Project(response.data);
+        const index = this.list.findIndex(site => site.id === newSite.id);
+        if (index !== -1) {
+          this.list[index] = newSite;
+        } else {
+          this.list.push(newSite);
+        }
+        this.setSiteId(newSite.id);
+        this.active = newSite;
+      });
+    } catch (error) {
+      console.error('Failed to save site:', error);
+    }
+  }
+
+  updateProjectRecordingStatus = (siteId: string, status: boolean) => {
+    const site = this.list.find(site => site.id === siteId);
+    if (site) {
+      site.recorded = status;
+      const hasRecordings = this.list.some(site => site.recorded);
+      if (!hasRecordings) {
+        localStorage.setItem(GLOBAL_HAS_NO_RECORDINGS, 'true');
+      } else {
+        localStorage.removeItem(GLOBAL_HAS_NO_RECORDINGS);
+      }
+    }
+  }
+}
+
diff --git a/frontend/app/mstore/types/gdpr.ts b/frontend/app/mstore/types/gdpr.ts
new file mode 100644
index 000000000..2871d763c
--- /dev/null
+++ b/frontend/app/mstore/types/gdpr.ts
@@ -0,0 +1,30 @@
+import { makeAutoObservable } from 'mobx';
+
+export default class GDPR {
+  id = undefined;
+  maskEmails = false;
+  maskNumbers = false;
+  defaultInputMode = 'plain';
+  sampleRate = 0;
+
+  constructor(data = {}) {
+    Object.assign(this, data);
+    makeAutoObservable(this);
+  }
+
+  edit = (data: Partial<GDPR>) => {
+    Object.keys(data).forEach((key) => {
+      this[key] = data[key];
+    })
+  }
+
+  toData = () => {
+    return {
+      id: this.id,
+      maskEmails: this.maskEmails,
+      maskNumbers: this.maskNumbers,
+      defaultInputMode: this.defaultInputMode,
+      sampleRate: this.sampleRate,
+    };
+  }
+}
diff --git a/frontend/app/mstore/types/project.ts b/frontend/app/mstore/types/project.ts
new file mode 100644
index 000000000..35f0da5a8
--- /dev/null
+++ b/frontend/app/mstore/types/project.ts
@@ -0,0 +1,54 @@
+import { makeAutoObservable } from 'mobx';
+import GDPR from './gdpr';
+
+export default class Project {
+  id?: string;
+  name: string = '';
+  host: string = '';
+  platform: string = 'web';
+  lastRecordedSessionAt?: any;
+  gdpr: GDPR;
+  recorded: boolean = false;
+  stackIntegrations: boolean = false;
+  projectKey?: string;
+  projectId?: number;
+  trackerVersion?: string;
+  saveRequestPayloads: boolean = false;
+  sampleRate: number = 0;
+  conditionsCount: number = 0;
+
+  constructor(data: Partial<Project> = {}) {
+    Object.assign(this, data);
+    this.gdpr = data.gdpr ? new GDPR(data.gdpr) : new GDPR();
+    this.id = data.projectId?.toString();
+    this.host = data.name || '';
+    makeAutoObservable(this);
+  }
+
+  edit = (data: Partial<Project>) => {
+    Object.keys(data).forEach((key) => {
+      if (key in this) {
+        this[key] = data[key];
+      }
+    })
+  }
+
+  toData = () => {
+    return {
+      id: this.id,
+      name: this.name,
+      host: this.host,
+      platform: this.platform,
+      lastRecordedSessionAt: this.lastRecordedSessionAt,
+      gdpr: this.gdpr.toData(),
+      recorded: this.recorded,
+      stackIntegrations: this.stackIntegrations,
+      projectKey: this.projectKey,
+      projectId: this.projectId,
+      trackerVersion: this.trackerVersion,
+      saveRequestPayloads: this.saveRequestPayloads,
+      sampleRate: this.sampleRate,
+      conditionsCount: this.conditionsCount,
+    };
+  }
+}
diff --git a/frontend/app/services/ProjectsService.ts b/frontend/app/services/ProjectsService.ts
new file mode 100644
index 000000000..848457096
--- /dev/null
+++ b/frontend/app/services/ProjectsService.ts
@@ -0,0 +1,27 @@
+import BaseService from "./BaseService";
+
+export default class ProjectsService extends BaseService {
+  fetchGDPR = async (siteId: string) => {
+    const r = await this.client.get(`/${siteId}/gdpr`);
+
+    return await r.json();
+  }
+
+  saveGDPR = async (siteId: string, gdprData: any) => {
+    const r = await this.client.post(`/${siteId}/gdpr`, gdprData);
+
+    return await r.json();
+  }
+
+  fetchList = async () => {
+    const r = await this.client.get('/projects');
+
+    return await r.json();
+  }
+
+  saveProject = async (projectData: any) => {
+    const r = await this.client.post('/projects', projectData);
+
+    return await r.json();
+  }
+}
\ No newline at end of file
diff --git a/frontend/app/services/index.ts b/frontend/app/services/index.ts
index 6afacb791..93a2aee0a 100644
--- a/frontend/app/services/index.ts
+++ b/frontend/app/services/index.ts
@@ -23,6 +23,7 @@ import FilterService from "./FilterService";
 import IssueReportsService from "./IssueReportsService";
 import CustomFieldService from './CustomFieldService';
 import IntegrationsService from './IntegrationsService';
+import ProjectsService from './ProjectsService';
 
 export const dashboardService = new DashboardService();
 export const metricService = new MetricService();
@@ -48,6 +49,7 @@ export const filterService = new FilterService();
 export const issueReportsService = new IssueReportsService();
 export const customFieldService = new CustomFieldService();
 export const integrationsService = new IntegrationsService();
+export const projectsService = new ProjectsService();
 
 export const services = [
   dashboardService,
@@ -74,4 +76,5 @@ export const services = [
   issueReportsService,
   customFieldService,
   integrationsService,
+  projectsService,
 ];