diff --git a/cli/contract_test.go b/cli/contract_test.go
index f83d3c073..fffcb2d85 100644
--- a/cli/contract_test.go
+++ b/cli/contract_test.go
@@ -168,6 +168,64 @@ func TestDeployBigContract(t *testing.T) {
 		"--in", nefName, "--manifest", manifestName)
 }
 
+func TestContractDeployWithData(t *testing.T) {
+	e := newExecutor(t, true)
+
+	// For proper nef generation.
+	config.Version = "0.90.0-test"
+
+	tmpDir := path.Join(os.TempDir(), "neogo.test.deployfail")
+	require.NoError(t, os.Mkdir(tmpDir, os.ModePerm))
+	t.Cleanup(func() {
+		os.RemoveAll(tmpDir)
+	})
+
+	nefName := path.Join(tmpDir, "deploy.nef")
+	manifestName := path.Join(tmpDir, "deploy.manifest.json")
+	e.Run(t, "neo-go", "contract", "compile",
+		"--in", "testdata/deploy/main.go", // compile single file
+		"--config", "testdata/deploy/neo-go.yml",
+		"--out", nefName, "--manifest", manifestName)
+
+	e.In.WriteString("one\r")
+	e.Run(t, "neo-go", "contract", "deploy",
+		"--rpc-endpoint", "http://"+e.RPC.Addr,
+		"--wallet", validatorWallet, "--address", validatorAddr,
+		"--in", nefName, "--manifest", manifestName,
+		"[", "key1", "12", "key2", "take_me_to_church", "]")
+
+	line, err := e.Out.ReadString('\n')
+	require.NoError(t, err)
+	line = strings.TrimSpace(strings.TrimPrefix(line, "Contract: "))
+	h, err := util.Uint160DecodeStringLE(line)
+	require.NoError(t, err)
+	e.checkTxPersisted(t)
+
+	e.Run(t, "neo-go", "contract", "testinvokefunction",
+		"--rpc-endpoint", "http://"+e.RPC.Addr,
+		h.StringLE(),
+		"getValueWithKey", "key1",
+	)
+
+	res := new(result.Invoke)
+	require.NoError(t, json.Unmarshal(e.Out.Bytes(), res))
+	require.Equal(t, vm.HaltState.String(), res.State, res.FaultException)
+	require.Len(t, res.Stack, 1)
+	require.Equal(t, []byte{12}, res.Stack[0].Value())
+
+	e.Run(t, "neo-go", "contract", "testinvokefunction",
+		"--rpc-endpoint", "http://"+e.RPC.Addr,
+		h.StringLE(),
+		"getValueWithKey", "key2",
+	)
+
+	res = new(result.Invoke)
+	require.NoError(t, json.Unmarshal(e.Out.Bytes(), res))
+	require.Equal(t, vm.HaltState.String(), res.State, res.FaultException)
+	require.Len(t, res.Stack, 1)
+	require.Equal(t, []byte("take_me_to_church"), res.Stack[0].Value())
+}
+
 func TestComlileAndInvokeFunction(t *testing.T) {
 	e := newExecutor(t, true)
 
diff --git a/cli/smartcontract/smart_contract.go b/cli/smartcontract/smart_contract.go
index d7f7224fb..ccf723b79 100644
--- a/cli/smartcontract/smart_contract.go
+++ b/cli/smartcontract/smart_contract.go
@@ -169,10 +169,12 @@ func NewCommands() []cli.Command {
 				},
 			},
 			{
-				Name:  "deploy",
-				Usage: "deploy a smart contract (.nef with description)",
+				Name:      "deploy",
+				Usage:     "deploy a smart contract (.nef with description)",
+				UsageText: "neo-go contract deploy -r endpoint -w wallet [-a address] [-g gas] --in contract.nef --manifest contract.manifest.json [--out file] [data]",
 				Description: `Deploys given contract into the chain. The gas parameter is for additional
-   gas to be added as a network fee to prioritize the transaction.
+   gas to be added as a network fee to prioritize the transaction. The data 
+   parameter is an optional parameter to be passed to '_deploy' method.
 `,
 				Action: contractDeploy,
 				Flags:  deployFlags,
@@ -836,6 +838,15 @@ func contractDeploy(ctx *cli.Context) error {
 		return cli.NewExitError(fmt.Errorf("failed to restore manifest file: %w", err), 1)
 	}
 
+	data, extErr := GetDataFromContext(ctx)
+	if extErr != nil {
+		return extErr
+	}
+	appCallParams := []interface{}{f, manifestBytes}
+	if data != nil {
+		appCallParams = append(appCallParams, data)
+	}
+
 	gctx, cancel := options.GetTimeoutContext(ctx)
 	defer cancel()
 
@@ -851,7 +862,7 @@ func contractDeploy(ctx *cli.Context) error {
 	buf := io.NewBufBinWriter()
 	emit.AppCall(buf.BinWriter, mgmtHash, "deploy",
 		callflag.ReadStates|callflag.WriteStates|callflag.AllowNotify,
-		f, manifestBytes)
+		appCallParams...)
 	if buf.Err != nil {
 		return cli.NewExitError(fmt.Errorf("failed to create deployment script: %w", buf.Err), 1)
 	}
diff --git a/cli/testdata/deploy/main.go b/cli/testdata/deploy/main.go
index 8a181dc77..88a3d0f67 100644
--- a/cli/testdata/deploy/main.go
+++ b/cli/testdata/deploy/main.go
@@ -23,6 +23,13 @@ func _deploy(data interface{}, isUpdate bool) {
 		value = "on create"
 		sh := runtime.GetCallingScriptHash()
 		storage.Put(ctx, mgmtKey, sh)
+
+		if data != nil {
+			arr := data.([]interface{})
+			for i := 0; i < len(arr)-1; i += 2 {
+				storage.Put(ctx, arr[i], arr[i+1])
+			}
+		}
 	}
 
 	storage.Put(ctx, key, value)
@@ -48,6 +55,12 @@ func GetValue() string {
 	return val1.(string) + "|" + val2.(string)
 }
 
+// GetValueWithKey returns stored value with the specified key.
+func GetValueWithKey(key string) string {
+	ctx := storage.GetReadOnlyContext()
+	return storage.Get(ctx, key).(string)
+}
+
 // TestFind finds items with the specified prefix.
 func TestFind(f storage.FindFlags) []interface{} {
 	ctx := storage.GetContext()