diff --git a/web/src/components/dialogTitle.tsx b/web/src/components/dialogTitle.tsx
index 8c78033..5084809 100644
--- a/web/src/components/dialogTitle.tsx
+++ b/web/src/components/dialogTitle.tsx
@@ -7,19 +7,19 @@ import CloseIcon from '@mui/icons-material/Close'
 export interface DialogTitleProps {
   id: string
   children?: React.ReactNode
-  onClose: Dispatch<SetStateAction<boolean>>
+  handleOpen: Dispatch<SetStateAction<boolean>>
 }
 
 export const BootstrapDialogTitle = (props: DialogTitleProps) => {
-  const { children, onClose, ...other } = props
+  const { children, handleOpen, ...other } = props
 
   return (
     <DialogTitle sx={{ m: 0, p: 2 }} {...other}>
       {children}
-      {onClose ? (
+      {handleOpen ? (
         <IconButton
           aria-label="close"
-          onClick={() => onClose(false)}
+          onClick={() => handleOpen(false)}
           sx={{
             position: 'absolute',
             right: 8,
diff --git a/web/src/containers/Settings/addPermissionModal.tsx b/web/src/containers/Settings/addPermissionModal.tsx
new file mode 100644
index 0000000..0d413b8
--- /dev/null
+++ b/web/src/containers/Settings/addPermissionModal.tsx
@@ -0,0 +1,217 @@
+import React, {
+  useState,
+  useEffect,
+  useMemo,
+  Dispatch,
+  SetStateAction
+} from 'react'
+import axios from 'axios'
+import {
+  Button,
+  Grid,
+  Dialog,
+  DialogContent,
+  DialogActions,
+  TextField,
+  CircularProgress
+} from '@mui/material'
+import { styled } from '@mui/material/styles'
+import Autocomplete, { createFilterOptions } from '@mui/material/Autocomplete'
+
+import { BootstrapDialogTitle } from '../../components/dialogTitle'
+
+import {
+  PermissionResponse,
+  UserResponse,
+  GroupResponse,
+  RegisterPermissionPayload
+} from '../../utils/types'
+
+const BootstrapDialog = styled(Dialog)(({ theme }) => ({
+  '& .MuiDialogContent-root': {
+    padding: theme.spacing(2)
+  },
+  '& .MuiDialogActions-root': {
+    padding: theme.spacing(1)
+  }
+}))
+
+type AddPermissionModalProps = {
+  open: boolean
+  handleOpen: Dispatch<SetStateAction<boolean>>
+  permissions: PermissionResponse[]
+  addPermission: (addPermissionPayload: RegisterPermissionPayload) => void
+}
+
+const filter = createFilterOptions<string>()
+
+const AddPermissionModal = ({
+  open,
+  handleOpen,
+  permissions,
+  addPermission
+}: AddPermissionModalProps) => {
+  const [uri, setUri] = useState<string>()
+  const [principalType, setPrincipalType] = useState('user')
+  const [userPrincipal, setUserPrincipal] = useState<UserResponse>()
+  const [groupPrincipal, setGroupPrincipal] = useState<GroupResponse>()
+  const [permissionSetting, setPermissionSetting] = useState('Grant')
+  const [loadingPrincipals, setLoadingPrincipals] = useState(false)
+  const [userPrincipals, setUserPrincipals] = useState<UserResponse[]>([])
+  const [groupPrincipals, setGroupPrincipals] = useState<GroupResponse[]>([])
+
+  useEffect(() => {
+    setLoadingPrincipals(true)
+    axios
+      .get(`/SASjsApi/${principalType}`)
+      .then((res: any) => {
+        if (res.data) {
+          if (principalType === 'user') setUserPrincipals(res.data)
+          else setGroupPrincipals(res.data)
+        }
+      })
+      .catch((err) => {
+        console.log(err)
+      })
+      .finally(() => {
+        setLoadingPrincipals(false)
+      })
+  }, [principalType])
+
+  const handleAddPermission = () => {
+    const addPermissionPayload: any = {
+      uri,
+      setting: permissionSetting,
+      principalType
+    }
+    if (principalType === 'user' && userPrincipal) {
+      addPermissionPayload.principalId = userPrincipal.id
+    } else if (principalType === 'group' && groupPrincipal) {
+      addPermissionPayload.principalId = groupPrincipal.groupId
+    }
+    addPermission(addPermissionPayload)
+  }
+
+  const URIs = useMemo(() => {
+    return permissions.map((permission) => permission.uri)
+  }, [permissions])
+
+  const addButtonDisabled =
+    !uri || (principalType === 'user' ? !userPrincipal : !groupPrincipal)
+
+  return (
+    <BootstrapDialog onClose={() => handleOpen(false)} open={open}>
+      <BootstrapDialogTitle
+        id="add-permission-dialog-title"
+        handleOpen={handleOpen}
+      >
+        Add Permission
+      </BootstrapDialogTitle>
+      <DialogContent dividers>
+        <Grid container spacing={2}>
+          <Grid item xs={12}>
+            <Autocomplete
+              disableClearable
+              value={uri}
+              onChange={(event, newValue) => setUri(newValue)}
+              filterOptions={(options, params) => {
+                const filtered = filter(options, params)
+
+                const { inputValue } = params
+
+                const isExisting = options.some(
+                  (option) => inputValue === option
+                )
+                if (inputValue !== '' && !isExisting) {
+                  filtered.push(inputValue)
+                }
+                return filtered
+              }}
+              selectOnFocus
+              clearOnBlur
+              handleHomeEndKeys
+              options={URIs}
+              renderOption={(props, option) => <li {...props}>{option}</li>}
+              freeSolo
+              renderInput={(params) => <TextField {...params} label="URI" />}
+            />
+          </Grid>
+          <Grid item xs={12}>
+            <Autocomplete
+              options={['user', 'group']}
+              disableClearable
+              value={principalType}
+              onChange={(event: any, newValue: string) =>
+                setPrincipalType(newValue)
+              }
+              renderInput={(params) => (
+                <TextField {...params} label="Principal Type" />
+              )}
+            />
+          </Grid>
+          <Grid item xs={12}>
+            {principalType === 'user' ? (
+              <Autocomplete
+                options={userPrincipals}
+                getOptionLabel={(option) => option.displayName}
+                disableClearable
+                value={userPrincipal}
+                onChange={(event: any, newValue: UserResponse) =>
+                  setUserPrincipal(newValue)
+                }
+                renderInput={(params) =>
+                  loadingPrincipals ? (
+                    <CircularProgress />
+                  ) : (
+                    <TextField {...params} label="Principal" />
+                  )
+                }
+              />
+            ) : (
+              <Autocomplete
+                options={groupPrincipals}
+                getOptionLabel={(option) => option.name}
+                disableClearable
+                value={groupPrincipal}
+                onChange={(event: any, newValue: GroupResponse) =>
+                  setGroupPrincipal(newValue)
+                }
+                renderInput={(params) =>
+                  loadingPrincipals ? (
+                    <CircularProgress />
+                  ) : (
+                    <TextField {...params} label="Principal" />
+                  )
+                }
+              />
+            )}
+          </Grid>
+          <Grid item xs={12}>
+            <Autocomplete
+              options={['Grant', 'Deny']}
+              disableClearable
+              value={permissionSetting}
+              onChange={(event: any, newValue: string) =>
+                setPermissionSetting(newValue)
+              }
+              renderInput={(params) => (
+                <TextField {...params} label="Settings" />
+              )}
+            />
+          </Grid>
+        </Grid>
+      </DialogContent>
+      <DialogActions>
+        <Button
+          variant="outlined"
+          onClick={handleAddPermission}
+          disabled={addButtonDisabled}
+        >
+          Add
+        </Button>
+      </DialogActions>
+    </BootstrapDialog>
+  )
+}
+
+export default AddPermissionModal
diff --git a/web/src/containers/Settings/permission.tsx b/web/src/containers/Settings/permission.tsx
index 42e2854..ae4c17f 100644
--- a/web/src/containers/Settings/permission.tsx
+++ b/web/src/containers/Settings/permission.tsx
@@ -23,26 +23,9 @@ import DeleteForeverIcon from '@mui/icons-material/DeleteForever'
 import { styled } from '@mui/material/styles'
 
 import PermissionFilterModal from './permissionFilterModal'
+import AddPermissionModal from './addPermissionModal'
 
-interface UserResponse {
-  id: number
-  username: string
-  displayName: string
-}
-
-interface GroupResponse {
-  groupId: number
-  name: string
-  description: string
-}
-
-export interface PermissionResponse {
-  permissionId: number
-  uri: string
-  setting: string
-  user?: UserResponse
-  group?: GroupResponse
-}
+import { PermissionResponse } from '../../utils/types'
 
 const BootstrapTableCell = styled(TableCell)({
   textAlign: 'left'
@@ -50,6 +33,7 @@ const BootstrapTableCell = styled(TableCell)({
 
 const Permission = () => {
   const [isLoading, setIsLoading] = useState(false)
+  const [addPermissionModalOpen, setAddPermissionModalOpen] = useState(false)
   const [filterModalOpen, setFilterModalOpen] = useState(false)
   const [uriFilter, setUriFilter] = useState<string[]>([])
   const [principalFilter, setPrincipalFilter] = useState<string[]>([])
@@ -128,6 +112,8 @@ const Permission = () => {
     setFilterApplied(false)
   }
 
+  const addPermission = () => {}
+
   return isLoading ? (
     <CircularProgress
       style={{ position: 'absolute', left: '50%', top: '50%' }}
@@ -142,8 +128,12 @@ const Permission = () => {
                 <FilterListIcon onClick={() => setFilterModalOpen(true)} />
               </IconButton>
             </Tooltip>
-            <Tooltip title="Add Permission" placement="bottom-end">
-              <IconButton sx={{ flexGrow: 1, justifyContent: 'flex-end' }}>
+            <Tooltip
+              sx={{ marginLeft: 'auto' }}
+              title="Add Permission"
+              placement="bottom-end"
+            >
+              <IconButton onClick={() => setAddPermissionModalOpen(true)}>
                 <AddIcon />
               </IconButton>
             </Tooltip>
@@ -157,7 +147,7 @@ const Permission = () => {
       </Grid>
       <PermissionFilterModal
         open={filterModalOpen}
-        handleClose={setFilterModalOpen}
+        handleOpen={setFilterModalOpen}
         permissions={permissions}
         uriFilter={uriFilter}
         setUriFilter={setUriFilter}
@@ -168,6 +158,12 @@ const Permission = () => {
         applyFilter={applyFilter}
         resetFilter={resetFilter}
       />
+      <AddPermissionModal
+        open={addPermissionModalOpen}
+        handleOpen={setAddPermissionModalOpen}
+        permissions={permissions}
+        addPermission={addPermission}
+      />
     </Box>
   )
 }
@@ -192,7 +188,7 @@ const PermissionTable = ({ permissions }: PermissionTableProps) => {
         </TableHead>
         <TableBody>
           {permissions.map((permission) => (
-            <TableRow>
+            <TableRow key={permission.permissionId}>
               <BootstrapTableCell>{permission.uri}</BootstrapTableCell>
               <BootstrapTableCell>
                 {displayPrincipal(permission)}
diff --git a/web/src/containers/Settings/permissionFilterModal.tsx b/web/src/containers/Settings/permissionFilterModal.tsx
index f7d67e1..7f7faab 100644
--- a/web/src/containers/Settings/permissionFilterModal.tsx
+++ b/web/src/containers/Settings/permissionFilterModal.tsx
@@ -10,7 +10,7 @@ import {
 import { styled } from '@mui/material/styles'
 import Autocomplete from '@mui/material/Autocomplete'
 
-import { PermissionResponse } from './permission'
+import { PermissionResponse } from '../../utils/types'
 import { BootstrapDialogTitle } from '../../components/dialogTitle'
 const BootstrapDialog = styled(Dialog)(({ theme }) => ({
   '& .MuiDialogContent-root': {
@@ -23,7 +23,7 @@ const BootstrapDialog = styled(Dialog)(({ theme }) => ({
 
 type FilterModalProps = {
   open: boolean
-  handleClose: Dispatch<SetStateAction<boolean>>
+  handleOpen: Dispatch<SetStateAction<boolean>>
   permissions: PermissionResponse[]
   uriFilter: string[]
   setUriFilter: Dispatch<SetStateAction<string[]>>
@@ -37,7 +37,7 @@ type FilterModalProps = {
 
 const PermissionFilterModal = ({
   open,
-  handleClose,
+  handleOpen,
   permissions,
   uriFilter,
   setUriFilter,
@@ -58,10 +58,10 @@ const PermissionFilterModal = ({
     .filter((principal) => principal !== '')
 
   return (
-    <BootstrapDialog onClose={handleClose} open={open}>
+    <BootstrapDialog onClose={() => handleOpen(false)} open={open}>
       <BootstrapDialogTitle
         id="permission-filter-dialog-title"
-        onClose={handleClose}
+        handleOpen={handleOpen}
       >
         Permission Filter
       </BootstrapDialogTitle>