diff --git a/cmd/signaldctl/cmd/group/accept/accept-invitation-to-group.go b/cmd/signaldctl/cmd/group/accept/accept-invitation-to-group.go
new file mode 100644
index 0000000..4dea28a
--- /dev/null
+++ b/cmd/signaldctl/cmd/group/accept/accept-invitation-to-group.go
@@ -0,0 +1,95 @@
+// Copyright © 2021 Finn Herzfeld <finn@janky.solutions>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package accept
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+
+	"github.com/jedib0t/go-pretty/v6/table"
+	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v2"
+
+	"gitlab.com/signald/signald-go/cmd/signaldctl/common"
+	"gitlab.com/signald/signald-go/cmd/signaldctl/config"
+	"gitlab.com/signald/signald-go/signald/client-protocol/v1"
+)
+
+var (
+	account                  string
+	AcceptGroupInvitationCmd = &cobra.Command{
+		Use:   "accept",
+		Short: "accept an invitation to join a group",
+		PreRun: func(_ *cobra.Command, args []string) {
+			if account == "" {
+				account = config.Config.DefaultAccount
+			}
+			if account == "" {
+				log.Fatal("No account specified. Please specify with --account or set a default")
+			}
+			if len(args) == 0 {
+				log.Fatal("at least one group ID required")
+			}
+		},
+		Run: func(_ *cobra.Command, args []string) {
+			go common.Signald.Listen(nil)
+			responses := []v1.JsonGroupV2Info{}
+			for _, group := range args {
+				req := v1.AcceptInvitationRequest{Account: account, GroupID: group}
+				resp, err := req.Submit(common.Signald)
+				if err != nil {
+					log.Fatal(err, "error communicating with signald")
+				}
+				responses = append(responses, resp)
+			}
+
+			switch common.OutputFormat {
+			case common.OutputFormatJSON:
+				err := json.NewEncoder(os.Stdout).Encode(responses)
+				if err != nil {
+					log.Fatal(err, "error encoding response to stdout")
+				}
+			case common.OutputFormatYAML:
+				err := yaml.NewEncoder(os.Stdout).Encode(responses)
+				if err != nil {
+					log.Fatal(err, "error encoding response to stdout")
+				}
+			case common.OutputFormatCSV, common.OutputFormatTable, common.OutputFormatDefault:
+				t := table.NewWriter()
+				t.SetOutputMirror(os.Stdout)
+				t.AppendHeader(table.Row{"ID", "Title", "Members"})
+
+				for _, group := range responses {
+					t.AppendRow(table.Row{group.ID, group.Title, len(group.Members)})
+				}
+
+				if common.OutputFormat == common.OutputFormatCSV {
+					t.RenderCSV()
+				} else {
+					t.SetStyle(table.StyleLight)
+					t.Render()
+				}
+			default:
+				log.Fatal("Unsupported output format")
+			}
+		},
+	}
+)
+
+func init() {
+	AcceptGroupInvitationCmd.Flags().StringVarP(&account, "account", "a", "", "the signald account to use")
+}
diff --git a/cmd/signaldctl/cmd/group/root.go b/cmd/signaldctl/cmd/group/root.go
index bba3ff5..c8b493d 100644
--- a/cmd/signaldctl/cmd/group/root.go
+++ b/cmd/signaldctl/cmd/group/root.go
@@ -18,6 +18,7 @@ package group
 import (
 	"github.com/spf13/cobra"
 
+	"gitlab.com/signald/signald-go/cmd/signaldctl/cmd/group/accept"
 	"gitlab.com/signald/signald-go/cmd/signaldctl/cmd/group/list"
 	"gitlab.com/signald/signald-go/cmd/signaldctl/cmd/group/show"
 )
@@ -28,6 +29,7 @@ var GroupCmd = &cobra.Command{
 }
 
 func init() {
+	GroupCmd.AddCommand(accept.AcceptGroupInvitationCmd)
 	GroupCmd.AddCommand(list.ListGroupCmd)
 	GroupCmd.AddCommand(show.ShowGroupCmd)
 }