diff --git a/README.md b/README.md
index abfb2e0..eeaae27 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ api-url = <CloudStack API URL>
 api-key = <CloudStack API Key>
 secret-key = <CloudStack API Secret>
 ssl-no-verify = <Disable SSL certificate validation: true or false (optional)>
+project-id = <CloudStack project ID (optional)>
 ```
 
 Create a secret named `cloudstack-secret` in namespace `kube-system`:
diff --git a/pkg/cloud/cloud.go b/pkg/cloud/cloud.go
index a8b5417..dc45a05 100644
--- a/pkg/cloud/cloud.go
+++ b/pkg/cloud/cloud.go
@@ -55,11 +55,15 @@ var (
 // client is the implementation of Interface.
 type client struct {
 	*cloudstack.CloudStackClient
+	projectID string
 }
 
 // New creates a new cloud connector, given its configuration.
 func New(config *Config) Interface {
-	csClient := cloudstack.NewAsyncClient(config.APIURL, config.APIKey, config.SecretKey, config.VerifySSL)
+	csClient := &client{
+		projectID: config.ProjectID,
+	}
+	csClient.CloudStackClient = cloudstack.NewAsyncClient(config.APIURL, config.APIKey, config.SecretKey, config.VerifySSL)
 
-	return &client{csClient}
+	return csClient
 }
diff --git a/pkg/cloud/config.go b/pkg/cloud/config.go
index 86e8c57..ce7dc25 100644
--- a/pkg/cloud/config.go
+++ b/pkg/cloud/config.go
@@ -12,6 +12,7 @@ type Config struct {
 	APIKey    string
 	SecretKey string
 	VerifySSL bool
+	ProjectID string
 }
 
 // csConfig wraps the config for the CloudStack cloud provider.
@@ -42,5 +43,6 @@ func ReadConfig(configFilePath string) (*Config, error) {
 		APIKey:    cfg.Global.APIKey,
 		SecretKey: cfg.Global.SecretKey,
 		VerifySSL: !cfg.Global.SSLNoVerify,
+		ProjectID: cfg.Global.ProjectID,
 	}, nil
 }
diff --git a/pkg/cloud/vms.go b/pkg/cloud/vms.go
index 68a0505..80b8dd9 100644
--- a/pkg/cloud/vms.go
+++ b/pkg/cloud/vms.go
@@ -10,6 +10,9 @@ func (c *client) GetVMByID(ctx context.Context, vmID string) (*VM, error) {
 	logger := klog.FromContext(ctx)
 	p := c.VirtualMachine.NewListVirtualMachinesParams()
 	p.SetId(vmID)
+	if c.projectID != "" {
+		p.SetProjectid(c.projectID)
+	}
 	logger.V(2).Info("CloudStack API call", "command", "ListVirtualMachines", "params", map[string]string{
 		"id": vmID,
 	})
@@ -35,6 +38,9 @@ func (c *client) getVMByName(ctx context.Context, name string) (*VM, error) {
 	logger := klog.FromContext(ctx)
 	p := c.VirtualMachine.NewListVirtualMachinesParams()
 	p.SetName(name)
+	if c.projectID != "" {
+		p.SetProjectid(c.projectID)
+	}
 	logger.V(2).Info("CloudStack API call", "command", "ListVirtualMachines", "params", map[string]string{
 		"name": name,
 	})
diff --git a/pkg/cloud/volumes.go b/pkg/cloud/volumes.go
index f367796..e2927d1 100644
--- a/pkg/cloud/volumes.go
+++ b/pkg/cloud/volumes.go
@@ -41,6 +41,9 @@ func (c *client) GetVolumeByID(ctx context.Context, volumeID string) (*Volume, e
 	logger := klog.FromContext(ctx)
 	p := c.Volume.NewListVolumesParams()
 	p.SetId(volumeID)
+	if c.projectID != "" {
+		p.SetProjectid(c.projectID)
+	}
 	logger.V(2).Info("CloudStack API call", "command", "ListVolumes", "params", map[string]string{
 		"id": volumeID,
 	})
@@ -52,6 +55,9 @@ func (c *client) GetVolumeByName(ctx context.Context, name string) (*Volume, err
 	logger := klog.FromContext(ctx)
 	p := c.Volume.NewListVolumesParams()
 	p.SetName(name)
+	if c.projectID != "" {
+		p.SetProjectid(c.projectID)
+	}
 	logger.V(2).Info("CloudStack API call", "command", "ListVolumes", "params", map[string]string{
 		"name": name,
 	})
@@ -66,6 +72,9 @@ func (c *client) CreateVolume(ctx context.Context, diskOfferingID, zoneID, name
 	p.SetZoneid(zoneID)
 	p.SetName(name)
 	p.SetSize(sizeInGB)
+	if c.projectID != "" {
+		p.SetProjectid(c.projectID)
+	}
 	logger.V(2).Info("CloudStack API call", "command", "CreateVolume", "params", map[string]string{
 		"diskofferingid": diskOfferingID,
 		"zoneid":         zoneID,