diff --git a/docs/code/interfaces/types_transaction.TransactionGroupToSend.md b/docs/code/interfaces/types_transaction.TransactionGroupToSend.md
new file mode 100644
index 00000000..10b67316
--- /dev/null
+++ b/docs/code/interfaces/types_transaction.TransactionGroupToSend.md
@@ -0,0 +1,55 @@
+[@algorandfoundation/algokit-utils](../README.md) / [types/transaction](../modules/types_transaction.md) / TransactionGroupToSend
+
+# Interface: TransactionGroupToSend
+
+[types/transaction](../modules/types_transaction.md).TransactionGroupToSend
+
+A group of transactions to send together as an atomic group
+
+**`See`**
+
+https://developer.algorand.org/docs/get-details/atomic_transfers/
+
+## Table of contents
+
+### Properties
+
+- [sendParams](types_transaction.TransactionGroupToSend.md#sendparams)
+- [signer](types_transaction.TransactionGroupToSend.md#signer)
+- [transactions](types_transaction.TransactionGroupToSend.md#transactions)
+
+## Properties
+
+### sendParams
+
+• `Optional` **sendParams**: `Omit`<`Omit`<[`SendTransactionParams`](types_transaction.SendTransactionParams.md), ``"maxFee"``\>, ``"skipSending"``\>
+
+Any parameters to control the semantics of the send to the network
+
+#### Defined in
+
+[src/types/transaction.ts:68](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/types/transaction.ts#L68)
+
+___
+
+### signer
+
+• `Optional` **signer**: [`SendTransactionFrom`](../modules/types_transaction.md#sendtransactionfrom)
+
+Optional signer to pass in, required if at least one transaction provided is just the transaction, ignored otherwise
+
+#### Defined in
+
+[src/types/transaction.ts:72](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/types/transaction.ts#L72)
+
+___
+
+### transactions
+
+• **transactions**: (`Transaction` \| [`TransactionToSign`](types_transaction.TransactionToSign.md))[]
+
+The list of transactions to send, which can either be a raw transaction (in which case signer is required) or the transaction with its signer
+
+#### Defined in
+
+[src/types/transaction.ts:70](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/types/transaction.ts#L70)
diff --git a/docs/code/modules/index.md b/docs/code/modules/index.md
index 0a53674e..46c20e60 100644
--- a/docs/code/modules/index.md
+++ b/docs/code/modules/index.md
@@ -147,7 +147,7 @@ the estimated rate.
 
 #### Defined in
 
-[src/transaction.ts:267](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L267)
+[src/transaction.ts:283](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L283)
 
 ___
 
@@ -266,7 +266,7 @@ the transaction note ready for inclusion in a transaction
 
 #### Defined in
 
-[src/transaction.ts:21](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L21)
+[src/transaction.ts:27](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L27)
 
 ___
 
@@ -967,7 +967,7 @@ The public address
 
 #### Defined in
 
-[src/transaction.ts:42](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L42)
+[src/transaction.ts:48](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L48)
 
 ___
 
@@ -992,7 +992,7 @@ The suggested transaction parameters
 
 #### Defined in
 
-[src/transaction.ts:291](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L291)
+[src/transaction.ts:307](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L307)
 
 ___
 
@@ -1329,9 +1329,7 @@ Signs and sends a group of [up to 16](https://developer.algorand.org/docs/get-de
 
 | Name | Type | Description |
 | :------ | :------ | :------ |
-| `groupSend` | `Object` | The group details to send, with: * `transactions`: The array of transactions to send along with their signing account * `sendParams`: The parameters to dictate how the group is sent |
-| `groupSend.sendParams?` | `Omit`<`Omit`<[`SendTransactionParams`](../interfaces/types_transaction.SendTransactionParams.md), ``"maxFee"``\>, ``"skipSending"``\> | - |
-| `groupSend.transactions` | [`TransactionToSign`](../interfaces/types_transaction.TransactionToSign.md)[] | - |
+| `groupSend` | [`TransactionGroupToSend`](../interfaces/types_transaction.TransactionGroupToSend.md) | The group details to send, with: * `transactions`: The array of transactions to send along with their signing account * `sendParams`: The parameters to dictate how the group is sent |
 | `algod` | `default` | An algod client |
 
 #### Returns
@@ -1342,7 +1340,7 @@ An object with group transaction ID (`groupTransactionId`) and (if `skipWaiting`
 
 #### Defined in
 
-[src/transaction.ts:115](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L115)
+[src/transaction.ts:121](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L121)
 
 ___
 
@@ -1370,7 +1368,7 @@ An object with transaction (`transaction`) and (if `skipWaiting` is `false` or u
 
 #### Defined in
 
-[src/transaction.ts:56](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L56)
+[src/transaction.ts:62](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L62)
 
 ___
 
@@ -1506,4 +1504,4 @@ Pending transaction information
 
 #### Defined in
 
-[src/transaction.ts:220](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L220)
+[src/transaction.ts:236](https://github.com/algorandfoundation/algokit-utils-ts/blob/main/src/transaction.ts#L236)
diff --git a/docs/code/modules/types_transaction.md b/docs/code/modules/types_transaction.md
index 6f9a1872..0b0ab446 100644
--- a/docs/code/modules/types_transaction.md
+++ b/docs/code/modules/types_transaction.md
@@ -9,6 +9,7 @@
 - [ConfirmedTransactionResult](../interfaces/types_transaction.ConfirmedTransactionResult.md)
 - [SendTransactionParams](../interfaces/types_transaction.SendTransactionParams.md)
 - [SendTransactionResult](../interfaces/types_transaction.SendTransactionResult.md)
+- [TransactionGroupToSend](../interfaces/types_transaction.TransactionGroupToSend.md)
 - [TransactionToSign](../interfaces/types_transaction.TransactionToSign.md)
 
 ### Type Aliases
diff --git a/src/transaction.spec.ts b/src/transaction.spec.ts
index 854af739..8a850ac0 100644
--- a/src/transaction.spec.ts
+++ b/src/transaction.spec.ts
@@ -133,6 +133,25 @@ describe('transaction', () => {
     expect(Buffer.from(confirmations[1].txn.txn.grp).toString('hex')).toBe(Buffer.from(txn2.group).toString('hex'))
   })
 
+  test('Transaction group is sent with same signer', async () => {
+    const { algod, testAccount } = localnet.context
+    const txn1 = await getTestTransaction(1)
+    const txn2 = await getTestTransaction(2)
+
+    const { confirmations } = await algokit.sendGroupOfTransactions({ transactions: [txn1, txn2], signer: testAccount }, algod)
+
+    invariant(confirmations)
+    invariant(confirmations[0].txn.txn.grp)
+    invariant(confirmations[1].txn.txn.grp)
+    invariant(txn1.group)
+    invariant(txn2.group)
+    expect(confirmations.length).toBe(2)
+    expect(confirmations[0]['confirmed-round']).toBeGreaterThanOrEqual(txn1.firstRound)
+    expect(confirmations[1]['confirmed-round']).toBeGreaterThanOrEqual(txn2.firstRound)
+    expect(Buffer.from(confirmations[0].txn.txn.grp).toString('hex')).toBe(Buffer.from(txn1.group).toString('hex'))
+    expect(Buffer.from(confirmations[1].txn.txn.grp).toString('hex')).toBe(Buffer.from(txn2.group).toString('hex'))
+  })
+
   test('Transaction group is sent using transaction signers', async () => {
     const { algod, testAccount, generateAccount } = localnet.context
     const account2 = await generateAccount({ suppressLog: true, initialFunds: algokit.algos(10) })
diff --git a/src/transaction.ts b/src/transaction.ts
index 78d56d9f..e76d63ad 100644
--- a/src/transaction.ts
+++ b/src/transaction.ts
@@ -4,7 +4,13 @@ import { Config } from './'
 import { TransactionSignerAccount } from './types/account'
 import { PendingTransactionResponse } from './types/algod'
 import { AlgoAmount } from './types/amount'
-import { SendTransactionFrom, SendTransactionParams, SendTransactionResult, TransactionNote, TransactionToSign } from './types/transaction'
+import {
+  SendTransactionFrom,
+  SendTransactionParams,
+  SendTransactionResult,
+  TransactionGroupToSend,
+  TransactionNote,
+} from './types/transaction'
 
 /** Encodes a transaction note into a byte array ready to be included in an Algorand transaction.
  *
@@ -112,13 +118,23 @@ const groupBy = <T>(array: T[], predicate: (value: T, id: number, array: T[]) =>
  * @param algod An algod client
  * @returns An object with group transaction ID (`groupTransactionId`) and (if `skipWaiting` is `false` or unset) confirmation (`confirmation`)
  */
-export const sendGroupOfTransactions = async function (
-  groupSend: { transactions: TransactionToSign[]; sendParams?: Omit<Omit<SendTransactionParams, 'maxFee'>, 'skipSending'> },
-  algod: Algodv2,
-) {
-  const { transactions, sendParams } = groupSend
+export const sendGroupOfTransactions = async function (groupSend: TransactionGroupToSend, algod: Algodv2) {
+  const { transactions, signer, sendParams } = groupSend
+
+  const transactionsWithSigner = transactions.map((t) => {
+    if ('transaction' in t) return t
+
+    if (!signer) {
+      throw new Error(`Attempt to send transaction ${t.txID()} as part of a group transaction, but no signer was provided.`)
+    }
+
+    return {
+      transaction: t,
+      signer: signer,
+    }
+  })
   const transactionsToSend = transactions.map((t) => {
-    return t.transaction
+    return 'transaction' in t ? t.transaction : t
   })
 
   const group = algosdk.assignGroupID(transactionsToSend)
@@ -129,9 +145,9 @@ export const sendGroupOfTransactions = async function (
 
   // Sign transactions either using TransactionSigners, or not
   let signedTransactions: Uint8Array[]
-  if (transactions.find((t) => 'signer' in t.signer)) {
+  if (transactionsWithSigner.find((t) => 'signer' in t.signer)) {
     // Validate all or nothing for transaction signers
-    if (transactions.find((t) => !('signer' in t.signer))) {
+    if (transactionsWithSigner.find((t) => !('signer' in t.signer))) {
       throw new Error(
         "When issuing a group transaction the signers should either all be TransactionSignerAccount's or all not. " +
           'Received at least one TransactionSignerAccount, but not all of them so failing the send.',
@@ -140,7 +156,7 @@ export const sendGroupOfTransactions = async function (
 
     // Group transaction signers by signer
     const groupedBySigner = groupBy(
-      transactions.map((t, i) => ({
+      transactionsWithSigner.map((t, i) => ({
         signer: t.signer as TransactionSignerAccount,
         id: i,
       })),
@@ -165,7 +181,7 @@ export const sendGroupOfTransactions = async function (
     signedTransactions = signed.sort((s1, s2) => s1.id - s2.id).map((s) => s.txn)
   } else {
     signedTransactions = group.map((groupedTransaction, id) => {
-      const signer = transactions[id].signer
+      const signer = transactionsWithSigner[id].signer
       return 'sk' in signer
         ? groupedTransaction.signTxn(signer.sk)
         : 'lsig' in signer
@@ -179,7 +195,7 @@ export const sendGroupOfTransactions = async function (
 
   Config.getLogger(sendParams?.suppressLog).debug(
     `Signer IDs (${groupId})`,
-    transactions.map((t) => getSenderAddress(t.signer)),
+    transactionsWithSigner.map((t) => getSenderAddress(t.signer)),
   )
 
   Config.getLogger(sendParams?.suppressLog).debug(
diff --git a/src/types/transaction.ts b/src/types/transaction.ts
index 9e79db7f..d6c8501c 100644
--- a/src/types/transaction.ts
+++ b/src/types/transaction.ts
@@ -59,3 +59,15 @@ export interface TransactionToSign {
   /** The account to use to sign the transaction, either an account (with private key loaded) or a logic signature account */
   signer: SendTransactionFrom
 }
+
+/** A group of transactions to send together as an atomic group
+ * @see https://developer.algorand.org/docs/get-details/atomic_transfers/
+ */
+export interface TransactionGroupToSend {
+  /** Any parameters to control the semantics of the send to the network */
+  sendParams?: Omit<Omit<SendTransactionParams, 'maxFee'>, 'skipSending'>
+  /** The list of transactions to send, which can either be a raw transaction (in which case signer is required) or the transaction with its signer */
+  transactions: (TransactionToSign | Transaction)[]
+  /** Optional signer to pass in, required if at least one transaction provided is just the transaction, ignored otherwise */
+  signer?: SendTransactionFrom
+}