diff --git a/lib/shared/search-utils.js b/lib/shared/search-utils.js
--- a/lib/shared/search-utils.js
+++ b/lib/shared/search-utils.js
@@ -229,6 +229,7 @@
   onResultsReceived: (
     messages: $ReadOnlyArray<RawMessageInfo>,
     endReached: boolean,
+    threadID: string,
   ) => mixed,
   cursor?: string,
 ) => void {
@@ -239,7 +240,7 @@
     (query, threadID, onResultsReceived, cursor) => {
       const searchMessagesPromise = (async () => {
         if (query === '') {
-          onResultsReceived([], true);
+          onResultsReceived([], true, threadID);
           return;
         }
         const { messages, endReached } = await callSearchMessages({
@@ -247,7 +248,7 @@
           threadID,
           cursor,
         });
-        onResultsReceived(messages, endReached);
+        onResultsReceived(messages, endReached, threadID);
       })();
 
       dispatchActionPromise(searchMessagesActionTypes, searchMessagesPromise);
diff --git a/web/search/message-search-state-provider.react.js b/web/search/message-search-state-provider.react.js
--- a/web/search/message-search-state-provider.react.js
+++ b/web/search/message-search-state-provider.react.js
@@ -3,10 +3,22 @@
 import invariant from 'invariant';
 import * as React from 'react';
 
+import { useSearchMessages } from 'lib/shared/search-utils.js';
+import { messageTypes } from 'lib/types/message-types-enum.js';
+import type { RawMessageInfo } from 'lib/types/message-types.js';
+
 type MessageSearchState = {
   +getQuery: (threadID: string) => string,
   +setQuery: (query: string, threadID: string) => void,
   +clearQuery: (threadID: string) => void,
+  +getSearchResults: (threadID: string) => $ReadOnlyArray<RawMessageInfo>,
+  +appendSearchResult: (
+    $ReadOnlyArray<RawMessageInfo>,
+    threadID: string,
+  ) => void,
+  +getEndReached: (threadID: string) => boolean,
+  +setEndReached: (threadID: string) => void,
+  +searchMessages: (threadID: string) => void,
 };
 
 const MessageSearchContext: React.Context<?MessageSearchState> =
@@ -17,28 +29,121 @@
 };
 
 function MessageSearchStateProvider(props: Props): React.Node {
-  const [queries, setQueries] = React.useState<{
+  const queries = React.useRef<{
     [threadID: string]: string,
   }>({});
 
-  const setQuery = React.useCallback(
-    (query: string, threadID: string) =>
-      setQueries(prevQueries => ({ ...prevQueries, [threadID]: query })),
+  const [results, setResults] = React.useState<{
+    [threadID: string]: $ReadOnlyArray<RawMessageInfo>,
+  }>({});
+
+  const endsReached = React.useRef(new Set());
+
+  const lastIDs = React.useRef<{
+    [threadID: string]: string,
+  }>({});
+
+  const setEndReached = React.useCallback((threadID: string) => {
+    endsReached.current.add(threadID);
+  }, []);
+
+  const removeEndReached = React.useCallback(
+    (threadID: string) => endsReached.current.delete(threadID),
     [],
   );
 
-  const clearQuery = React.useCallback(
-    (threadID: string) =>
-      setQueries(prevQueries => {
-        const { [threadID]: deleted, ...newState } = prevQueries;
-        return newState;
-      }),
+  const getEndReached = React.useCallback(
+    (threadID: string) => endsReached.current.has(threadID),
     [],
   );
 
+  const appendResult = React.useCallback(
+    (result: $ReadOnlyArray<RawMessageInfo>, threadID: string) => {
+      const lastMessageID = oldestMessageID(result);
+      if (lastMessageID) {
+        lastIDs.current[threadID] = lastMessageID;
+      }
+      setResults(prevResults => {
+        const prevThreadResults = prevResults[threadID] ?? [];
+        const newThreadResults = [...prevThreadResults, ...result];
+        return { ...prevResults, [threadID]: newThreadResults };
+      });
+    },
+    [],
+  );
+
+  const clearResults = React.useCallback(
+    (threadID: string) => {
+      loading.current = false;
+      delete lastIDs.current[threadID];
+      removeEndReached(threadID);
+      setResults(prevResults => {
+        const { [threadID]: deleted, ...newState } = prevResults;
+        return newState;
+      });
+    },
+    [removeEndReached],
+  );
+
+  const getResults = React.useCallback(
+    (threadID: string) => results[threadID] ?? [],
+    [results],
+  );
+
   const getQuery = React.useCallback(
-    (threadID: string) => queries[threadID] ?? '',
-    [queries],
+    (threadID: string) => queries.current[threadID] ?? '',
+    [],
+  );
+
+  const setQuery = React.useCallback(
+    (query: string, threadID: string) => {
+      clearResults(threadID);
+      queries.current[threadID] = query;
+    },
+    [clearResults],
+  );
+
+  const clearQuery = React.useCallback(
+    (threadID: string) => {
+      clearResults(threadID);
+      delete queries.current[threadID];
+    },
+    [clearResults],
+  );
+
+  const searchMessagesCall = useSearchMessages();
+
+  const loading = React.useRef(false);
+
+  const appendResults = React.useCallback(
+    (
+      newMessages: $ReadOnlyArray<RawMessageInfo>,
+      end: boolean,
+      threadID: string,
+    ) => {
+      appendResult(newMessages, threadID);
+      if (end) {
+        setEndReached(threadID);
+      }
+      loading.current = false;
+    },
+    [appendResult, setEndReached],
+  );
+
+  const searchMessages = React.useCallback(
+    (threadID: string) => {
+      if (loading.current || endsReached.current.has(threadID)) {
+        return;
+      }
+      loading.current = true;
+      searchMessagesCall(
+        queries.current[threadID],
+        threadID,
+        appendResults,
+        lastIDs.current[threadID],
+      );
+    },
+    [appendResults, endsReached, searchMessagesCall],
   );
 
   const state = React.useMemo(
@@ -46,8 +151,22 @@
       getQuery,
       setQuery,
       clearQuery,
+      getSearchResults: getResults,
+      appendSearchResult: appendResult,
+      getEndReached,
+      setEndReached,
+      searchMessages,
     }),
-    [getQuery, setQuery, clearQuery],
+    [
+      getQuery,
+      setQuery,
+      clearQuery,
+      getResults,
+      appendResult,
+      getEndReached,
+      setEndReached,
+      searchMessages,
+    ],
   );
 
   return (
@@ -57,6 +176,18 @@
   );
 }
 
+function oldestMessageID(data: $ReadOnlyArray<RawMessageInfo>) {
+  if (!data) {
+    return undefined;
+  }
+  for (let i = data.length - 1; i >= 0; i--) {
+    if (data[i].type === messageTypes.TEXT) {
+      return data[i].id;
+    }
+  }
+  return undefined;
+}
+
 function useMessageSearchContext(): MessageSearchState {
   const context = React.useContext(MessageSearchContext);
   invariant(context, 'MessageSearchContext not found');