diff --git a/apps/web/src/components/transactions/TxDetails/index.tsx b/apps/web/src/components/transactions/TxDetails/index.tsx
index 412df2815d..f02d6106ae 100644
--- a/apps/web/src/components/transactions/TxDetails/index.tsx
+++ b/apps/web/src/components/transactions/TxDetails/index.tsx
@@ -36,6 +36,7 @@ import { FEATURES } from '@/utils/chains'
 import { useGetTransactionDetailsQuery } from '@/store/api/gateway'
 import { asError } from '@/services/exceptions/utils'
 import { POLLING_INTERVAL } from '@/config/constants'
+import { TxNote } from '@/features/tx-notes'
 
 export const NOT_AVAILABLE = 'n/a'
 
@@ -82,6 +83,10 @@ const TxDetailsBlock = ({ txSummary, txDetails }: TxDetailsProps): ReactElement
     <>
       {/* /Details */}
       <div className={`${css.details} ${isUnsigned ? css.noSigners : ''}`}>
+        <div className={css.txNote}>
+          <TxNote txDetails={txDetails} />
+        </div>
+
         <div className={css.shareLink}>
           <TxShareLink id={txSummary.id} />
         </div>
diff --git a/apps/web/src/components/transactions/TxDetails/styles.module.css b/apps/web/src/components/transactions/TxDetails/styles.module.css
index 5c3bc427dc..afd3f2c24c 100644
--- a/apps/web/src/components/transactions/TxDetails/styles.module.css
+++ b/apps/web/src/components/transactions/TxDetails/styles.module.css
@@ -12,9 +12,20 @@
 }
 
 .shareLink {
-  position: absolute;
-  right: 16px;
-  top: 16px;
+  display: flex;
+  justify-content: flex-end;
+  margin: var(--space-1);
+  margin-bottom: -40px;
+}
+
+.txNote {
+  margin: var(--space-1) 0;
+  padding: 0 var(--space-2) var(--space-2);
+  border-bottom: 1px solid var(--color-border-light);
+}
+
+.txNote:empty {
+  display: none;
 }
 
 .loading,
diff --git a/apps/web/src/components/tx/SignOrExecuteForm/ProposerForm.tsx b/apps/web/src/components/tx/SignOrExecuteForm/ProposerForm.tsx
index 05f063cd5f..b92f3938fd 100644
--- a/apps/web/src/components/tx/SignOrExecuteForm/ProposerForm.tsx
+++ b/apps/web/src/components/tx/SignOrExecuteForm/ProposerForm.tsx
@@ -17,6 +17,7 @@ import Stack from '@mui/system/Stack'
 
 export const ProposerForm = ({
   safeTx,
+  origin,
   disableSubmit = false,
   txActions,
   txSecurity,
@@ -51,7 +52,7 @@ export const ProposerForm = ({
     setIsRejectedByUser(false)
 
     try {
-      const txId = await signProposerTx(safeTx)
+      const txId = await signProposerTx(safeTx, origin)
       onSubmit?.(txId)
     } catch (_err) {
       const err = asError(_err)
diff --git a/apps/web/src/components/tx/SignOrExecuteForm/SignForm.tsx b/apps/web/src/components/tx/SignOrExecuteForm/SignForm.tsx
index e2c605d932..7138e12536 100644
--- a/apps/web/src/components/tx/SignOrExecuteForm/SignForm.tsx
+++ b/apps/web/src/components/tx/SignOrExecuteForm/SignForm.tsx
@@ -86,7 +86,7 @@ export const SignForm = ({
       onSubmit?.(resultTxId)
     }
 
-    if (signer?.isSafe) {
+    if (!isAddingToBatch && signer?.isSafe) {
       setTxFlow(<NestedTxSuccessScreenFlow txId={resultTxId} />, undefined, false)
     } else {
       setTxFlow(undefined)
@@ -101,8 +101,6 @@ export const SignForm = ({
   const submitDisabled =
     !safeTx || !isSubmittable || disableSubmit || cannotPropose || (needsRiskConfirmation && !isRiskConfirmed)
 
-  const isSafeAppTransaction = !!origin
-
   return (
     <form onSubmit={handleSubmit}>
       {hasSigned && <ErrorMessage level="warning">You have already signed this transaction.</ErrorMessage>}
@@ -135,7 +133,7 @@ export const SignForm = ({
           {isCreation && !isBatch && (
             <BatchButton
               onClick={onBatchClick}
-              disabled={submitDisabled || !isBatchable || isSafeAppTransaction}
+              disabled={submitDisabled || !isBatchable}
               tooltip={!isBatchable ? `Cannot batch this type of transaction` : undefined}
             />
           )}
diff --git a/apps/web/src/components/tx/SignOrExecuteForm/SignOrExecuteForm.tsx b/apps/web/src/components/tx/SignOrExecuteForm/SignOrExecuteForm.tsx
index e7d4fe888a..db523d1bde 100644
--- a/apps/web/src/components/tx/SignOrExecuteForm/SignOrExecuteForm.tsx
+++ b/apps/web/src/components/tx/SignOrExecuteForm/SignOrExecuteForm.tsx
@@ -33,6 +33,7 @@ import ConfirmationView from '../confirmation-views'
 import { SignerForm } from './SignerForm'
 import { useSigner } from '@/hooks/wallets/useWallet'
 import { trackTxEvents } from './tracking'
+import { TxNoteForm, encodeTxNote } from '@/features/tx-notes'
 
 export type SubmitCallback = (txId: string, isExecuted?: boolean) => void
 
@@ -64,6 +65,7 @@ export const SignOrExecuteForm = ({
   isCreation?: boolean
   txDetails?: TransactionDetails
 }): ReactElement => {
+  const [customOrigin, setCustomOrigin] = useState<string | undefined>(props.origin)
   const { transactionExecution } = useAppSelector(selectSettings)
   const [shouldExecute, setShouldExecute] = useState<boolean>(transactionExecution)
   const isNewExecutableTx = useImmediatelyExecutable() && isCreation
@@ -108,10 +110,10 @@ export const SignOrExecuteForm = ({
         isRoleExecution,
         isProposerCreation,
         !!signer?.isSafe,
-        props.origin,
+        customOrigin,
       )
     },
-    [chainId, isCreation, onSubmit, trigger, signer?.isSafe, props.origin],
+    [chainId, isCreation, onSubmit, trigger, signer?.isSafe, customOrigin],
   )
 
   const onRoleExecutionSubmit = useCallback<typeof onFormSubmit>(
@@ -124,6 +126,49 @@ export const SignOrExecuteForm = ({
     [onFormSubmit],
   )
 
+  const onNoteSubmit = useCallback(
+    (note: string) => {
+      setCustomOrigin(encodeTxNote(note, props.origin))
+    },
+    [setCustomOrigin, props.origin],
+  )
+
+  const getForm = () => {
+    const commonProps = {
+      ...props,
+      safeTx,
+      isCreation,
+      origin: customOrigin,
+      onSubmit: onFormSubmit,
+    }
+    if (isCounterfactualSafe && !isProposing) {
+      return <CounterfactualForm {...commonProps} onlyExecute />
+    }
+
+    if (!isCounterfactualSafe && willExecute && !isProposing) {
+      return <ExecuteForm {...commonProps} />
+    }
+
+    if (!isCounterfactualSafe && willExecuteThroughRole) {
+      return (
+        <ExecuteThroughRoleForm
+          {...commonProps}
+          role={(allowingRole || mostLikelyRole)!}
+          safeTxError={safeTxError}
+          onSubmit={onRoleExecutionSubmit}
+        />
+      )
+    }
+
+    if (!isCounterfactualSafe && !willExecute && !willExecuteThroughRole && !isProposing) {
+      return <SignForm {...commonProps} isBatchable={isBatchable} />
+    }
+
+    if (isProposing) {
+      return <ProposerForm {...commonProps} onSubmit={onProposerFormSubmit} />
+    }
+  }
+
   return (
     <>
       <TxCard>
@@ -149,6 +194,8 @@ export const SignOrExecuteForm = ({
 
       {!isCounterfactualSafe && !props.isRejection && <TxChecks />}
 
+      <TxNoteForm isCreation={isCreation ?? false} onSubmit={onNoteSubmit} txDetails={props.txDetails} />
+
       <SignerForm willExecute={willExecute} />
 
       <TxCard>
@@ -179,32 +226,7 @@ export const SignOrExecuteForm = ({
 
         <Blockaid />
 
-        {isCounterfactualSafe && !isProposing && (
-          <CounterfactualForm {...props} safeTx={safeTx} isCreation={isCreation} onSubmit={onFormSubmit} onlyExecute />
-        )}
-        {!isCounterfactualSafe && willExecute && !isProposing && (
-          <ExecuteForm {...props} safeTx={safeTx} isCreation={isCreation} onSubmit={onFormSubmit} />
-        )}
-        {!isCounterfactualSafe && willExecuteThroughRole && (
-          <ExecuteThroughRoleForm
-            {...props}
-            safeTx={safeTx}
-            safeTxError={safeTxError}
-            onSubmit={onRoleExecutionSubmit}
-            role={(allowingRole || mostLikelyRole)!}
-          />
-        )}
-        {!isCounterfactualSafe && !willExecute && !willExecuteThroughRole && !isProposing && (
-          <SignForm
-            {...props}
-            safeTx={safeTx}
-            isBatchable={isBatchable}
-            isCreation={isCreation}
-            onSubmit={onFormSubmit}
-          />
-        )}
-
-        {isProposing && <ProposerForm {...props} safeTx={safeTx} onSubmit={onProposerFormSubmit} />}
+        {getForm()}
       </TxCard>
     </>
   )
diff --git a/apps/web/src/components/tx/SignOrExecuteForm/hooks.ts b/apps/web/src/components/tx/SignOrExecuteForm/hooks.ts
index 2474b104c6..6850497a6e 100644
--- a/apps/web/src/components/tx/SignOrExecuteForm/hooks.ts
+++ b/apps/web/src/components/tx/SignOrExecuteForm/hooks.ts
@@ -34,7 +34,7 @@ type TxActions = {
     origin?: string,
     isRelayed?: boolean,
   ) => Promise<string>
-  signProposerTx: (safeTx?: SafeTransaction) => Promise<string>
+  signProposerTx: (safeTx?: SafeTransaction, origin?: string) => Promise<string>
   proposeTx: (safeTx: SafeTransaction, txId?: string, origin?: string) => Promise<TransactionDetails>
 }
 
@@ -135,14 +135,14 @@ export const useTxActions = (): TxActions => {
       return tx.txId
     }
 
-    const signProposerTx: TxActions['signProposerTx'] = async (safeTx) => {
+    const signProposerTx: TxActions['signProposerTx'] = async (safeTx, origin) => {
       assertTx(safeTx)
       assertProvider(wallet?.provider)
       assertOnboard(onboard)
 
       const signedTx = await dispatchProposerTxSigning(safeTx, wallet)
 
-      const tx = await _propose(wallet.address, signedTx)
+      const tx = await _propose(wallet.address, signedTx, undefined, origin)
       return tx.txId
     }
 
diff --git a/apps/web/src/features/tx-notes/TxNote.tsx b/apps/web/src/features/tx-notes/TxNote.tsx
new file mode 100644
index 0000000000..3d402e0b3e
--- /dev/null
+++ b/apps/web/src/features/tx-notes/TxNote.tsx
@@ -0,0 +1,44 @@
+import { Tooltip, Typography, Stack } from '@mui/material'
+import type { TransactionDetails } from '@safe-global/safe-gateway-typescript-sdk'
+import InfoIcon from '@/public/images/notifications/info.svg'
+import { isMultisigDetailedExecutionInfo } from '@/utils/transaction-guards'
+import EthHashInfo from '@/components/common/EthHashInfo'
+
+export function TxNote({ txDetails }: { txDetails: TransactionDetails | undefined }) {
+  // @FIXME: update CGW types to include note
+  const note = (txDetails as TransactionDetails & { note: string | null })?.note
+
+  if (!note) return null
+
+  const creator =
+    isMultisigDetailedExecutionInfo(txDetails?.detailedExecutionInfo) && txDetails?.detailedExecutionInfo.proposer
+
+  return (
+    <div>
+      <Typography variant="h5" display="flex" alignItems="center" justifyItems="center">
+        Note
+        <Tooltip
+          title={
+            <Stack direction="row" gap={1}>
+              <span>By </span>
+              {creator ? (
+                <EthHashInfo avatarSize={20} address={creator.value} showName onlyName />
+              ) : (
+                <span>transaction creator</span>
+              )}
+            </Stack>
+          }
+          arrow
+        >
+          <Typography color="text.secondary" component="span" height="1em">
+            <InfoIcon height="100%" />
+          </Typography>
+        </Tooltip>
+      </Typography>
+
+      <Typography p={2} mt={1} borderRadius={1} bgcolor="background.main">
+        {note}
+      </Typography>
+    </div>
+  )
+}
diff --git a/apps/web/src/features/tx-notes/TxNoteForm.tsx b/apps/web/src/features/tx-notes/TxNoteForm.tsx
new file mode 100644
index 0000000000..933bb6111e
--- /dev/null
+++ b/apps/web/src/features/tx-notes/TxNoteForm.tsx
@@ -0,0 +1,16 @@
+import type { TransactionDetails } from '@safe-global/safe-gateway-typescript-sdk'
+import TxCard from '@/components/tx-flow/common/TxCard'
+import { TxNote } from './TxNote'
+import { TxNoteInput } from './TxNoteInput'
+
+export function TxNoteForm({
+  isCreation,
+  txDetails,
+  onSubmit,
+}: {
+  isCreation: boolean
+  txDetails?: TransactionDetails
+  onSubmit: (note: string) => void
+}) {
+  return <TxCard>{isCreation ? <TxNoteInput onSubmit={onSubmit} /> : <TxNote txDetails={txDetails} />}</TxCard>
+}
diff --git a/apps/web/src/features/tx-notes/TxNoteInput.tsx b/apps/web/src/features/tx-notes/TxNoteInput.tsx
new file mode 100644
index 0000000000..f3b7f6a438
--- /dev/null
+++ b/apps/web/src/features/tx-notes/TxNoteInput.tsx
@@ -0,0 +1,58 @@
+import { useCallback, useState } from 'react'
+import { InputAdornment, Stack, TextField, Typography } from '@mui/material'
+import InfoIcon from '@/public/images/notifications/info.svg'
+import { MODALS_EVENTS, trackEvent } from '@/services/analytics'
+
+const MAX_NOTE_LENGTH = 120
+
+export const TxNoteInput = ({ onSubmit }: { onSubmit: (note: string) => void }) => {
+  const [note, setNote] = useState('')
+
+  const onInput = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+    setNote(e.target.value)
+  }, [])
+
+  const onChange = useCallback(
+    (e: React.ChangeEvent<HTMLInputElement>) => {
+      onSubmit(e.target.value.slice(0, MAX_NOTE_LENGTH))
+      trackEvent(MODALS_EVENTS.ADD_TX_NOTE)
+    },
+    [onSubmit],
+  )
+
+  return (
+    <>
+      <Stack direction="row" alignItems="flex-end" gap={1}>
+        <Typography variant="h5">What does this transaction do?</Typography>
+        <Typography variant="body2" color="text.secondary">
+          Optional
+        </Typography>
+      </Stack>
+
+      <TextField
+        name="note"
+        label="Add note"
+        fullWidth
+        slotProps={{
+          htmlInput: { maxLength: MAX_NOTE_LENGTH },
+          input: {
+            endAdornment: (
+              <InputAdornment position="end">
+                <Typography variant="caption" mt={3}>
+                  {note.length}/{MAX_NOTE_LENGTH}
+                </Typography>
+              </InputAdornment>
+            ),
+          },
+        }}
+        onInput={onInput}
+        onChange={onChange}
+      />
+
+      <Typography variant="caption" color="text.secondary" display="flex" alignItems="center">
+        <InfoIcon height="1.2em" />
+        This note will be publicly visible and accessible to anyone.
+      </Typography>
+    </>
+  )
+}
diff --git a/apps/web/src/features/tx-notes/encodeTxNote.test.ts b/apps/web/src/features/tx-notes/encodeTxNote.test.ts
new file mode 100644
index 0000000000..04f815ae2b
--- /dev/null
+++ b/apps/web/src/features/tx-notes/encodeTxNote.test.ts
@@ -0,0 +1,31 @@
+import { faker } from '@faker-js/faker'
+import { encodeTxNote } from './encodeTxNote'
+
+describe('encodeTxNote', () => {
+  it('should encode tx note with an existing origin', () => {
+    const note = faker.lorem.sentence()
+    const url = faker.internet.url()
+    const origin = JSON.stringify({ url })
+    const result = encodeTxNote(note, origin)
+    expect(result).toEqual(JSON.stringify({ url, note }, null, 0))
+  })
+
+  it('should encode tx note with an empty origin', () => {
+    const note = faker.lorem.sentence()
+    const result = encodeTxNote(note)
+    expect(result).toEqual(JSON.stringify({ note }, null, 0))
+  })
+
+  it('should encode tx note with an invalid origin', () => {
+    const note = faker.lorem.sentence()
+    const result = encodeTxNote(note, 'sdfgdsfg')
+    expect(result).toEqual(JSON.stringify({ note }, null, 0))
+  })
+
+  it('should trim the note if origin exceeds the max length', () => {
+    const note = 'a'.repeat(200)
+    const url = 'http://example.com'
+    const result = encodeTxNote(note, JSON.stringify({ url }))
+    expect(result).toEqual(JSON.stringify({ url, note: 'a'.repeat(172) }, null, 0))
+  })
+})
diff --git a/apps/web/src/features/tx-notes/encodeTxNote.ts b/apps/web/src/features/tx-notes/encodeTxNote.ts
new file mode 100644
index 0000000000..c6740e142c
--- /dev/null
+++ b/apps/web/src/features/tx-notes/encodeTxNote.ts
@@ -0,0 +1,29 @@
+const MAX_ORIGIN_LENGTH = 200
+
+const stringifyOrigin = (origin: Record<string, string>): string => JSON.stringify(origin, null, 0)
+
+export function encodeTxNote(note: string, origin = ''): string {
+  let originalOrigin = {}
+
+  if (origin) {
+    try {
+      originalOrigin = JSON.parse(origin)
+    } catch {
+      // Ignore, invalid JSON
+    }
+  }
+
+  let result = stringifyOrigin({
+    ...originalOrigin,
+    note,
+  })
+
+  if (result.length > MAX_ORIGIN_LENGTH) {
+    result = stringifyOrigin({
+      ...originalOrigin,
+      note: note.slice(0, MAX_ORIGIN_LENGTH - origin.length),
+    })
+  }
+
+  return result
+}
diff --git a/apps/web/src/features/tx-notes/index.tsx b/apps/web/src/features/tx-notes/index.tsx
new file mode 100644
index 0000000000..fda7533942
--- /dev/null
+++ b/apps/web/src/features/tx-notes/index.tsx
@@ -0,0 +1,7 @@
+import { featureToggled, FEATURES } from '@/utils/featureToggled'
+import { TxNote as TxNoteComponent } from './TxNote'
+import { TxNoteForm as TxNoteFormComponent } from './TxNoteForm'
+
+export const TxNote = featureToggled(TxNoteComponent, FEATURES.TX_NOTES)
+export const TxNoteForm = featureToggled(TxNoteFormComponent, FEATURES.TX_NOTES)
+export * from './encodeTxNote'
diff --git a/apps/web/src/services/analytics/events/modals.ts b/apps/web/src/services/analytics/events/modals.ts
index eebafc3291..bf9d1dd5ab 100644
--- a/apps/web/src/services/analytics/events/modals.ts
+++ b/apps/web/src/services/analytics/events/modals.ts
@@ -87,6 +87,11 @@ export const MODALS_EVENTS = {
     category: MODALS_CATEGORY,
     event: EventType.CLICK,
   },
+  ADD_TX_NOTE: {
+    action: 'Add tx note',
+    category: MODALS_CATEGORY,
+    event: EventType.CLICK,
+  },
 }
 
 export enum MODAL_NAVIGATION {
diff --git a/apps/web/src/utils/chains.ts b/apps/web/src/utils/chains.ts
index 971212b90d..0336edc41d 100644
--- a/apps/web/src/utils/chains.ts
+++ b/apps/web/src/utils/chains.ts
@@ -39,6 +39,7 @@ export enum FEATURES {
   PROPOSERS = 'PROPOSERS',
   TARGETED_SURVEY = 'TARGETED_SURVEY',
   BRIDGE = 'BRIDGE',
+  TX_NOTES = 'TX_NOTES',
 }
 
 export const FeatureRoutes = {
diff --git a/apps/web/src/utils/featureToggled.tsx b/apps/web/src/utils/featureToggled.tsx
new file mode 100644
index 0000000000..ef76ace617
--- /dev/null
+++ b/apps/web/src/utils/featureToggled.tsx
@@ -0,0 +1,14 @@
+import type { ComponentType } from 'react'
+import type { FEATURES } from '@/utils/chains'
+import { useHasFeature } from '@/hooks/useChains'
+
+export { FEATURES } from '@/utils/chains'
+
+export const featureToggled = <P extends Record<string, unknown>>(Component: ComponentType<P>, feature: FEATURES) => {
+  const ToggledComponent = (props: P) => {
+    const hasFeature = useHasFeature(feature)
+    return hasFeature ? <Component {...props} /> : null
+  }
+  ToggledComponent.displayName = Component.displayName || Component.name
+  return ToggledComponent
+}