diff --git a/mautrix_telegram/scripts/__init__.py b/mautrix_telegram/scripts/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/mautrix_telegram/scripts/telematrix_import/__init__.py b/mautrix_telegram/scripts/telematrix_import/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/mautrix_telegram/scripts/telematrix_import/__main__.py b/mautrix_telegram/scripts/telematrix_import/__main__.py
new file mode 100644
index 00000000..27d70735
--- /dev/null
+++ b/mautrix_telegram/scripts/telematrix_import/__main__.py
@@ -0,0 +1,77 @@
+import argparse
+import sqlalchemy as sql
+from sqlalchemy import orm
+
+from mautrix_telegram.base import Base
+from mautrix_telegram.config import Config
+from mautrix_telegram.db import Portal, Message, Puppet, BotChat
+from .models import ChatLink, TgUser, MatrixUser, Message as TMMessage, Base as TelematrixBase
+
+parser = argparse.ArgumentParser(
+    description="mautrix-telegram telematrix import script",
+    prog="python -m scripts/telematrix_import")
+parser.add_argument("-c", "--config", type=str, default="config.yaml",
+                    metavar="<path>", help="the path to your mautrix-telegram config file")
+parser.add_argument("-b", "--bot-id", type=int, required=True,
+                    metavar="<id>", help="the telegram user ID of your relay bot")
+parser.add_argument("-t", "--telematrix-database", type=str, default="sqlite:///database.db",
+                    metavar="<url>", help="your telematrix database URL")
+args = parser.parse_args()
+
+config = Config(args.config, None, None)
+config.load()
+
+mxtg_db_engine = sql.create_engine(config.get("appservice.database", "sqlite:///mautrix-telegram.db"))
+mxtg = orm.sessionmaker(bind=mxtg_db_engine)()
+Base.metadata.bind = mxtg_db_engine
+
+telematrix_db_engine = sql.create_engine(args.telematrix_database)
+telematrix = orm.sessionmaker(bind=telematrix_db_engine)()
+TelematrixBase.metadata.bind = telematrix_db_engine
+
+chat_links = telematrix.query(ChatLink).all()
+tg_users = telematrix.query(TgUser).all()
+mx_users = telematrix.query(MatrixUser).all()
+messages = telematrix.query(TMMessage).all()
+
+telematrix.close()
+telematrix_db_engine.dispose()
+
+portals = {}
+
+for chat_link in chat_links:
+    if chat_link.tg_room >= 0:
+        print("Unexpected unprefixed telegram chat ID: %s, ignoring..." % chat_link.tg_room)
+        continue
+    tgid = str(chat_link.tg_room)
+    if tgid.startswith("-100"):
+        tgid = int(tgid[4:])
+        peer_type = "channel"
+        megagroup = True
+    else:
+        tgid = -chat_link.tg_room
+        peer_type = "chat"
+        megagroup = False
+
+    portal = Portal(tgid=tgid, tg_receiver=tgid, peer_type=peer_type, megagroup=megagroup,
+                    mxid=chat_link.matrix_room)
+    portals[chat_link.tg_room] = portal
+    mxtg.add(portal)
+
+    bot_chat = BotChat(id=tgid, type=peer_type)
+    mxtg.add(bot_chat)
+
+for tm_msg in messages:
+    try:
+        portal = portals[tm_msg.tg_group_id]
+    except KeyError:
+        print("Found message entry %d in unlinked chat %d, ignoring..." % (tm_msg.tg_message_id, tm_msg.tg_group_id))
+        continue
+    tg_space = portal.tgid if portal.peer_type == "channel" else args.bot_id
+    message = Message(mxid=tm_msg.matrix_event_id, mx_room=tm_msg.matrix_room_id,
+                      tgid=tm_msg.tg_message_id, tg_space=tg_space)
+    mxtg.add(message)
+
+mxtg.add_all(Puppet(id=user.tg_id, displayname=user.name, displayname_source=args.bot_id)
+             for user in tg_users)
+mxtg.commit()
diff --git a/mautrix_telegram/scripts/telematrix_import/models.py b/mautrix_telegram/scripts/telematrix_import/models.py
new file mode 100644
index 00000000..9324ce63
--- /dev/null
+++ b/mautrix_telegram/scripts/telematrix_import/models.py
@@ -0,0 +1,44 @@
+import sqlalchemy as sa
+from sqlalchemy.ext.declarative import declarative_base
+
+Base = declarative_base()
+
+
+class ChatLink(Base):
+    __tablename__ = 'chat_link'
+
+    id = sa.Column(sa.Integer, primary_key=True)
+    matrix_room = sa.Column(sa.String)
+    tg_room = sa.Column(sa.BigInteger)
+    active = sa.Column(sa.Boolean)
+
+
+class TgUser(Base):
+    __tablename__ = 'tg_user'
+
+    id = sa.Column(sa.Integer, primary_key=True)
+    tg_id = sa.Column(sa.BigInteger)
+    name = sa.Column(sa.String)
+    profile_pic_id = sa.Column(sa.String, nullable=True)
+
+
+class MatrixUser(Base):
+    __tablename__ = 'matrix_user'
+
+    id = sa.Column(sa.Integer, primary_key=True)
+    matrix_id = sa.Column(sa.String)
+    name = sa.Column(sa.String)
+
+
+class Message(Base):
+    """Describes a message in a room bridged between Telegram and Matrix"""
+    __tablename__ = "message"
+
+    id = sa.Column(sa.Integer, primary_key=True)
+    tg_group_id = sa.Column(sa.BigInteger)
+    tg_message_id = sa.Column(sa.BigInteger)
+
+    matrix_room_id = sa.Column(sa.String)
+    matrix_event_id = sa.Column(sa.String)
+
+    displayname = sa.Column(sa.String)