diff --git a/src/Controller/TransactionController.php b/src/Controller/TransactionController.php
new file mode 100644
index 0000000..c6b484d
--- /dev/null
+++ b/src/Controller/TransactionController.php
@@ -0,0 +1,162 @@
+<?php namespace RVR\Controller;
+
+use Container;
+use DateTime;
+use RVR\Finance\ExchangeRateCalculator;
+use RVR\PersistentData\Model\Community;
+use RVR\PersistentData\Model\CommunityMember;
+use RVR\PersistentData\Model\Transaction;
+use RVR\PersistentData\Model\User;
+use RVR\Repository\CommunityMemberRepository;
+use RVR\Repository\CommunityRepository;
+use RVR\Repository\CurrencyRepository;
+use RVR\Repository\TransactionRepository;
+use SokoWeb\Interfaces\Authentication\IAuthenticationRequired;
+use SokoWeb\Interfaces\Authorization\ISecured;
+use SokoWeb\Interfaces\Response\IContent;
+use SokoWeb\Response\HtmlContent;
+use SokoWeb\Response\JsonContent;
+
+class TransactionController implements IAuthenticationRequired, ISecured
+{
+    private CommunityRepository $communityRepository;
+
+    private CommunityMemberRepository $communityMemberRepository;
+
+    private CurrencyRepository $currencyRepository;
+
+    private TransactionRepository $transactionRepository;
+
+    private Community $community;
+
+    private CommunityMember $ownCommunityMember;
+
+    public function __construct()
+    {
+        $this->communityRepository = new CommunityRepository();
+        $this->communityMemberRepository = new CommunityMemberRepository();
+        $this->currencyRepository = new CurrencyRepository();
+        $this->transactionRepository = new TransactionRepository();
+    }
+
+    public function isAuthenticationRequired(): bool
+    {
+        return true;
+    }
+
+    public function authorize(): bool
+    {
+        $communityId = \Container::$request->query('communityId');
+        $this->community = $this->communityRepository->getById($communityId);
+        if ($this->community === null) {
+            return false;
+        }
+
+        /**
+        * @var User $user
+        */
+        $user = \Container::$request->user();
+        $this->ownCommunityMember = $this->communityMemberRepository->getByCommunityAndUser($this->community, $user);
+        if ($this->ownCommunityMember === null) {
+            return false;
+        }
+
+        return true;
+    }
+
+    public function getTransactions(): IContent
+    {
+        Container::$persistentDataManager->loadRelationsFromDb($this->community, true, ['main_currency']);
+        $exchangeRateCalculator = new ExchangeRateCalculator($this->community->getMainCurrency());
+
+        $itemsPerPage = 50;
+        $numberOfTransactions = $this->transactionRepository->countAllByCommunity($this->community);
+        $pages = ceil($numberOfTransactions / $itemsPerPage);
+        $currentPage = Container::$request->query('page') ?: 0;
+        $transactions = $this->transactionRepository->getPagedByCommunity(
+            $this->community,
+            $currentPage * $itemsPerPage,
+            $itemsPerPage,
+            true,
+            ['currency', 'payer_user', 'payee_user']
+        );
+
+        return new HtmlContent('communities/transactions', [
+            'community' => $this->community,
+            'exchangeRateCalculator' => $exchangeRateCalculator,
+            'pages' => $pages,
+            'currentPage' => $currentPage,
+            'transactions' => $transactions
+        ]);
+    }
+
+    public function getTransactionEdit(): ?IContent
+    {
+        $transactionId = Container::$request->query('transactionId');
+        if ($transactionId) {
+            $transaction = $this->transactionRepository->getById($transactionId);
+            if ($transaction === null) {
+                return null;
+            }
+        } else {
+            $transaction = null;
+        }
+
+        return new HtmlContent('communities/transaction_edit', [
+            'community' => $this->community,
+            'transaction' => $transaction,
+            'members' => $this->getMembers($this->community),
+            'currencies' => $this->getCurrencies($this->community)
+        ]);
+    }
+
+    public function saveTransaction(): ?IContent
+    {
+        $transactionId = Container::$request->query('transactionId');
+        if ($transactionId) {
+            $transaction = $this->transactionRepository->getById($transactionId);
+        } else {
+            $transaction = new Transaction();
+            $transaction->setCommunity($this->community);
+        }
+
+        $transaction->setCurrencyId(Container::$request->post('currency_id'));
+        $transaction->setPayerUserId(Container::$request->post('payer_user_id'));
+        $transaction->setPayeeUserId(Container::$request->post('payee_user_id') ?: null);
+        $transaction->setDescription(Container::$request->post('description'));
+        $transaction->setSum(Container::$request->post('sum'));
+        $transaction->setTimeDate(new DateTime(Container::$request->post('time')));
+        Container::$persistentDataManager->saveToDb($transaction);
+
+        return new JsonContent(['success' => true]);
+    }
+
+    public function deleteTransaction(): IContent
+    {
+        $transaction = $this->transactionRepository->getById(Container::$request->query('transactionId'));
+        Container::$persistentDataManager->deleteFromDb($transaction);
+
+        return new JsonContent(['success' => true]);
+    }
+
+    private function getMembers(Community $community): array
+    {
+        $members = iterator_to_array($this->communityMemberRepository->getAllByCommunity($community, true, ['user']));
+        usort($members, function($a, $b) {
+            return strnatcmp($a->getUser()->getDisplayName(), $b->getUser()->getDisplayName());
+        });
+        return $members;
+    }
+
+    private function getCurrencies(Community $community): array
+    {
+        $currencies = iterator_to_array($this->currencyRepository->getAllByCommunity($community));
+        usort($currencies, function($a, $b) {
+            return strnatcmp($a->getCode(), $b->getCode());
+        });
+        usort($currencies, function($a, $b) use ($community) {
+            return (int)($b->getId() === $community->getMainCurrencyId()) - (int)($a->getId() === $community->getMainCurrencyId());
+        });
+        return $currencies;
+    }
+}