diff --git a/yarn-project/aztec-sandbox/src/examples/util.ts b/yarn-project/aztec-sandbox/src/examples/util.ts
index d3462673cce..581e16514fd 100644
--- a/yarn-project/aztec-sandbox/src/examples/util.ts
+++ b/yarn-project/aztec-sandbox/src/examples/util.ts
@@ -46,13 +46,9 @@ export async function deployAndInitializeNonNativeL2TokenContracts(
   });
 
   // deploy l2 contract and attach to portal
-  const tx = NonNativeTokenContract.deploy(wallet, initialBalance, owner).send({
-    portalContract: tokenPortalAddress,
-  });
-  await tx.isMined({ interval: 0.1 });
-  const receipt = await tx.getReceipt();
-  const l2Contract = await NonNativeTokenContract.at(receipt.contractAddress!, wallet);
-  await l2Contract.attach(tokenPortalAddress);
+  const l2Contract = await NonNativeTokenContract.deploy(wallet, initialBalance, owner)
+    .send({ portalContract: tokenPortalAddress })
+    .deployed();
   const l2TokenAddress = l2Contract.address.toString() as `0x${string}`;
 
   // initialize portal
diff --git a/yarn-project/aztec.js/src/contract/contract.test.ts b/yarn-project/aztec.js/src/contract/contract.test.ts
index 3faef893055..541a9c588b7 100644
--- a/yarn-project/aztec.js/src/contract/contract.test.ts
+++ b/yarn-project/aztec.js/src/contract/contract.test.ts
@@ -1,17 +1,7 @@
 import { AztecAddress, CompleteAddress, EthAddress } from '@aztec/circuits.js';
 import { L1ContractAddresses } from '@aztec/ethereum';
 import { ABIParameterVisibility, ContractAbi, FunctionType } from '@aztec/foundation/abi';
-import {
-  DeployedContract,
-  ExtendedContractData,
-  NodeInfo,
-  Tx,
-  TxExecutionRequest,
-  TxHash,
-  TxReceipt,
-  randomContractAbi,
-  randomDeployedContract,
-} from '@aztec/types';
+import { ExtendedContractData, NodeInfo, Tx, TxExecutionRequest, TxHash, TxReceipt } from '@aztec/types';
 
 import { MockProxy, mock } from 'jest-mock-extended';
 
@@ -155,27 +145,4 @@ describe('Contract Class', () => {
     expect(() => fooContract.methods.bar().view()).toThrow();
     expect(() => fooContract.methods.baz().view()).toThrow();
   });
-
-  it('should add contract and dependencies to PXE', async () => {
-    const entry: DeployedContract = {
-      abi: randomContractAbi(),
-      completeAddress: resolvedExtendedContractData.getCompleteAddress(),
-      portalContract: EthAddress.random(),
-    };
-    const contract = await Contract.at(entry.completeAddress.address, entry.abi, wallet);
-
-    {
-      await contract.attach(entry.portalContract);
-      expect(wallet.addContracts).toHaveBeenCalledTimes(1);
-      expect(wallet.addContracts).toHaveBeenCalledWith([entry]);
-      wallet.addContracts.mockClear();
-    }
-
-    {
-      const dependencies = [await randomDeployedContract(), await randomDeployedContract()];
-      await contract.attach(entry.portalContract, dependencies);
-      expect(wallet.addContracts).toHaveBeenCalledTimes(1);
-      expect(wallet.addContracts).toHaveBeenCalledWith([entry, ...dependencies]);
-    }
-  });
 });
diff --git a/yarn-project/aztec.js/src/contract/contract.ts b/yarn-project/aztec.js/src/contract/contract.ts
index 4fa1a4f9ff7..9249184c491 100644
--- a/yarn-project/aztec.js/src/contract/contract.ts
+++ b/yarn-project/aztec.js/src/contract/contract.ts
@@ -19,6 +19,7 @@ export class Contract extends ContractBase {
    * @param address - The deployed contract's address.
    * @param abi - The Application Binary Interface for the contract.
    * @param wallet - The wallet to use when interacting with the contract.
+   * @param portalContract - The portal contract address on L1, if any.
    * @returns A promise that resolves to a new Contract instance.
    */
   public static async at(address: AztecAddress, abi: ContractAbi, wallet: Wallet): Promise<Contract> {
@@ -26,7 +27,12 @@ export class Contract extends ContractBase {
     if (extendedContractData === undefined) {
       throw new Error('Contract ' + address.toString() + ' is not deployed');
     }
-    return new Contract(extendedContractData.getCompleteAddress(), abi, wallet);
+    return new Contract(
+      extendedContractData.getCompleteAddress(),
+      abi,
+      wallet,
+      extendedContractData.contractData.portalContractAddress,
+    );
   }
 
   /**
diff --git a/yarn-project/aztec.js/src/contract/contract_base.ts b/yarn-project/aztec.js/src/contract/contract_base.ts
index b408d386bf5..4ac143fc47a 100644
--- a/yarn-project/aztec.js/src/contract/contract_base.ts
+++ b/yarn-project/aztec.js/src/contract/contract_base.ts
@@ -19,25 +19,21 @@ export type ContractMethod = ((...args: any[]) => ContractFunctionInteraction) &
 /**
  * Abstract implementation of a contract extended by the Contract class and generated contract types.
  */
-export class ContractBase {
+export class ContractBase implements DeployedContract {
   /**
    * An object containing contract methods mapped to their respective names.
    */
   public methods: { [name: string]: ContractMethod } = {};
 
   protected constructor(
-    /**
-     * The deployed contract's complete address.
-     */
+    /** The deployed contract's complete address. */
     public readonly completeAddress: CompleteAddress,
-    /**
-     * The Application Binary Interface for the contract.
-     */
+    /** The Application Binary Interface for the contract. */
     public readonly abi: ContractAbi,
-    /**
-     * The wallet.
-     */
+    /** The wallet used for interacting with this contract. */
     protected wallet: Wallet,
+    /** The portal contract address on L1, if any. */
+    public readonly portalContract: EthAddress,
   ) {
     abi.functions.forEach((f: FunctionAbi) => {
       const interactionFunction = (...args: any[]) => {
@@ -69,24 +65,6 @@ export class ContractBase {
    * @returns A new contract instance.
    */
   public withWallet(wallet: Wallet): this {
-    return new ContractBase(this.completeAddress, this.abi, wallet) as this;
-  }
-
-  /**
-   * Attach the current contract instance to a portal contract and optionally add its dependencies.
-   * The function will return a promise that resolves when all contracts have been added to the PXE.
-   * This is useful when you need to interact with a deployed contract that has multiple nested contracts.
-   *
-   * @param portalContract - The Ethereum address of the portal contract.
-   * @param dependencies - An optional array of additional DeployedContract instances to be attached.
-   * @returns A promise that resolves when all contracts are successfully added to the PXE.
-   */
-  public attach(portalContract: EthAddress, dependencies: DeployedContract[] = []) {
-    const deployedContract: DeployedContract = {
-      abi: this.abi,
-      completeAddress: this.completeAddress,
-      portalContract,
-    };
-    return this.wallet.addContracts([deployedContract, ...dependencies]);
+    return new ContractBase(this.completeAddress, this.abi, wallet, this.portalContract) as this;
   }
 }
diff --git a/yarn-project/aztec.js/src/contract_deployer/deploy_sent_tx.ts b/yarn-project/aztec.js/src/contract_deployer/deploy_sent_tx.ts
index a442f3bee3c..8b0fc0a2a0f 100644
--- a/yarn-project/aztec.js/src/contract_deployer/deploy_sent_tx.ts
+++ b/yarn-project/aztec.js/src/contract_deployer/deploy_sent_tx.ts
@@ -19,7 +19,7 @@ export type DeployTxReceipt<TContract extends ContractBase = Contract> = FieldsO
 /**
  * A contract deployment transaction sent to the network, extending SentTx with methods to create a contract instance.
  */
-export class DeploySentTx<TContract extends ContractBase = Contract> extends SentTx {
+export class DeploySentTx<TContract extends Contract = Contract> extends SentTx {
   constructor(private abi: ContractAbi, wallet: PXE | Wallet, txHashPromise: Promise<TxHash>) {
     super(wallet, txHashPromise);
   }
diff --git a/yarn-project/boxes/blank-react/src/artifacts/blank.ts b/yarn-project/boxes/blank-react/src/artifacts/blank.ts
index 75cba5b04dd..672d4ba566a 100644
--- a/yarn-project/boxes/blank-react/src/artifacts/blank.ts
+++ b/yarn-project/boxes/blank-react/src/artifacts/blank.ts
@@ -4,10 +4,12 @@
 import {
   AztecAddress,
   CompleteAddress,
+  Contract,
   ContractBase,
   ContractFunctionInteraction,
   ContractMethod,
   DeployMethod,
+  EthAddress,
   FieldLike,
   AztecAddressLike,
   EthAddressLike,
@@ -23,13 +25,8 @@ export const BlankContractAbi = BlankContractAbiJson as ContractAbi;
  * Type-safe interface for contract Blank;
  */
 export class BlankContract extends ContractBase {
-  private constructor(
-    /** The deployed contract's complete address. */
-    completeAddress: CompleteAddress,
-    /** The wallet. */
-    wallet: Wallet,
-  ) {
-    super(completeAddress, BlankContractAbi, wallet);
+  private constructor(completeAddress: CompleteAddress, wallet: Wallet, portalContract = EthAddress.ZERO) {
+    super(completeAddress, BlankContractAbi, wallet, portalContract);
   }
 
   /**
@@ -38,17 +35,8 @@ export class BlankContract extends ContractBase {
    * @param wallet - The wallet to use when interacting with the contract.
    * @returns A promise that resolves to a new Contract instance.
    */
-  public static async at(
-    /** The deployed contract's address. */
-    address: AztecAddress,
-    /** The wallet. */
-    wallet: Wallet,
-  ) {
-    const extendedContractData = await wallet.getExtendedContractData(address);
-    if (extendedContractData === undefined) {
-      throw new Error('Contract ' + address.toString() + ' is not deployed');
-    }
-    return new BlankContract(extendedContractData.getCompleteAddress(), wallet);
+  public static async at(address: AztecAddress, wallet: Wallet) {
+    return Contract.at(address, BlankContract.abi, wallet) as Promise<BlankContract>;
   }
 
   /**
diff --git a/yarn-project/boxes/blank/src/artifacts/blank.ts b/yarn-project/boxes/blank/src/artifacts/blank.ts
index 75cba5b04dd..672d4ba566a 100644
--- a/yarn-project/boxes/blank/src/artifacts/blank.ts
+++ b/yarn-project/boxes/blank/src/artifacts/blank.ts
@@ -4,10 +4,12 @@
 import {
   AztecAddress,
   CompleteAddress,
+  Contract,
   ContractBase,
   ContractFunctionInteraction,
   ContractMethod,
   DeployMethod,
+  EthAddress,
   FieldLike,
   AztecAddressLike,
   EthAddressLike,
@@ -23,13 +25,8 @@ export const BlankContractAbi = BlankContractAbiJson as ContractAbi;
  * Type-safe interface for contract Blank;
  */
 export class BlankContract extends ContractBase {
-  private constructor(
-    /** The deployed contract's complete address. */
-    completeAddress: CompleteAddress,
-    /** The wallet. */
-    wallet: Wallet,
-  ) {
-    super(completeAddress, BlankContractAbi, wallet);
+  private constructor(completeAddress: CompleteAddress, wallet: Wallet, portalContract = EthAddress.ZERO) {
+    super(completeAddress, BlankContractAbi, wallet, portalContract);
   }
 
   /**
@@ -38,17 +35,8 @@ export class BlankContract extends ContractBase {
    * @param wallet - The wallet to use when interacting with the contract.
    * @returns A promise that resolves to a new Contract instance.
    */
-  public static async at(
-    /** The deployed contract's address. */
-    address: AztecAddress,
-    /** The wallet. */
-    wallet: Wallet,
-  ) {
-    const extendedContractData = await wallet.getExtendedContractData(address);
-    if (extendedContractData === undefined) {
-      throw new Error('Contract ' + address.toString() + ' is not deployed');
-    }
-    return new BlankContract(extendedContractData.getCompleteAddress(), wallet);
+  public static async at(address: AztecAddress, wallet: Wallet) {
+    return Contract.at(address, BlankContract.abi, wallet) as Promise<BlankContract>;
   }
 
   /**
diff --git a/yarn-project/boxes/private-token/src/artifacts/private_token.ts b/yarn-project/boxes/private-token/src/artifacts/private_token.ts
index 1d2e2900220..4812265609d 100644
--- a/yarn-project/boxes/private-token/src/artifacts/private_token.ts
+++ b/yarn-project/boxes/private-token/src/artifacts/private_token.ts
@@ -4,10 +4,12 @@
 import {
   AztecAddress,
   CompleteAddress,
+  Contract,
   ContractBase,
   ContractFunctionInteraction,
   ContractMethod,
   DeployMethod,
+  EthAddress,
   FieldLike,
   AztecAddressLike,
   EthAddressLike,
@@ -23,13 +25,8 @@ export const PrivateTokenContractAbi = PrivateTokenContractAbiJson as ContractAb
  * Type-safe interface for contract PrivateToken;
  */
 export class PrivateTokenContract extends ContractBase {
-  private constructor(
-    /** The deployed contract's complete address. */
-    completeAddress: CompleteAddress,
-    /** The wallet. */
-    wallet: Wallet,
-  ) {
-    super(completeAddress, PrivateTokenContractAbi, wallet);
+  private constructor(completeAddress: CompleteAddress, wallet: Wallet, portalContract = EthAddress.ZERO) {
+    super(completeAddress, PrivateTokenContractAbi, wallet, portalContract);
   }
 
   /**
@@ -38,17 +35,8 @@ export class PrivateTokenContract extends ContractBase {
    * @param wallet - The wallet to use when interacting with the contract.
    * @returns A promise that resolves to a new Contract instance.
    */
-  public static async at(
-    /** The deployed contract's address. */
-    address: AztecAddress,
-    /** The wallet. */
-    wallet: Wallet,
-  ) {
-    const extendedContractData = await wallet.getExtendedContractData(address);
-    if (extendedContractData === undefined) {
-      throw new Error('Contract ' + address.toString() + ' is not deployed');
-    }
-    return new PrivateTokenContract(extendedContractData.getCompleteAddress(), wallet);
+  public static async at(address: AztecAddress, wallet: Wallet) {
+    return Contract.at(address, PrivateTokenContract.abi, wallet) as Promise<PrivateTokenContract>;
   }
 
   /**
diff --git a/yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts b/yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts
index 1b6c4fcb6a1..a478d20a908 100644
--- a/yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts
+++ b/yarn-project/canary/src/uniswap_trade_on_l1_from_l2.test.ts
@@ -115,7 +115,6 @@ async function deployAllContracts(
   const uniswapL2Contract = await UniswapContract.deploy(ownerWallet)
     .send({ portalContract: uniswapPortalAddress })
     .deployed();
-  await uniswapL2Contract.attach(uniswapPortalAddress);
 
   await uniswapPortal.write.initialize(
     [l1ContractsAddresses!.registryAddress.toString(), uniswapL2Contract.address.toString()],
diff --git a/yarn-project/canary/src/utils.ts b/yarn-project/canary/src/utils.ts
index 0bcc6926632..4a05c6713f5 100644
--- a/yarn-project/canary/src/utils.ts
+++ b/yarn-project/canary/src/utils.ts
@@ -1,4 +1,4 @@
-import { AztecAddress, EthAddress, Fr, TxStatus, Wallet } from '@aztec/aztec.js';
+import { AztecAddress, EthAddress, TxStatus, Wallet } from '@aztec/aztec.js';
 import { PortalERC20Abi, PortalERC20Bytecode, TokenPortalAbi, TokenPortalBytecode } from '@aztec/l1-artifacts';
 import { TokenBridgeContract, TokenContract } from '@aztec/noir-contracts/types';
 
@@ -72,15 +72,10 @@ export async function deployAndInitializeTokenAndBridgeContracts(
   const token = await TokenContract.at(deployReceipt.contractAddress!, wallet);
 
   // deploy l2 token bridge and attach to the portal
-  const bridgeTx = TokenBridgeContract.deploy(wallet, token.address).send({
-    portalContract: tokenPortalAddress,
-    contractAddressSalt: Fr.random(),
-  });
-
-  const bridgeReceipt = await bridgeTx.wait();
-  const bridge = await TokenBridgeContract.at(bridgeReceipt.contractAddress!, wallet);
-  await bridge.attach(tokenPortalAddress);
-  const bridgeAddress = bridge.address.toString() as `0x${string}`;
+  const bridge = await TokenBridgeContract.deploy(wallet, token.address)
+    .send({ portalContract: tokenPortalAddress })
+    .deployed();
+  const bridgeAddress = bridge.address.toString();
 
   // now we wait for the txs to be mined. This way we send all tx in the same rollup.
   if ((await token.methods.admin().view()) !== owner.toBigInt()) throw new Error(`Token admin is not ${owner}`);
diff --git a/yarn-project/end-to-end/src/fixtures/utils.ts b/yarn-project/end-to-end/src/fixtures/utils.ts
index 35b5693b385..ea37f3056c5 100644
--- a/yarn-project/end-to-end/src/fixtures/utils.ts
+++ b/yarn-project/end-to-end/src/fixtures/utils.ts
@@ -17,7 +17,6 @@ import {
   deployL1Contract,
   deployL1Contracts,
 } from '@aztec/ethereum';
-import { Fr } from '@aztec/foundation/fields';
 import { DebugLogger, createDebugLogger } from '@aztec/foundation/log';
 import { retryUntil } from '@aztec/foundation/retry';
 import {
@@ -412,15 +411,9 @@ export async function deployAndInitializeTokenAndBridgeContracts(
   const token = await TokenContract.at(deployReceipt.contractAddress!, wallet);
 
   // deploy l2 token bridge and attach to the portal
-  const bridgeTx = TokenBridgeContract.deploy(wallet, token.address).send({
-    portalContract: tokenPortalAddress,
-    contractAddressSalt: Fr.random(),
-  });
-  const bridgeReceipt = await bridgeTx.wait();
-  if (bridgeReceipt.status !== TxStatus.MINED) throw new Error(`Deploy bridge tx status is ${bridgeReceipt.status}`);
-  const bridge = await TokenBridgeContract.at(bridgeReceipt.contractAddress!, wallet);
-  await bridge.attach(tokenPortalAddress);
-  const bridgeAddress = bridge.address.toString() as `0x${string}`;
+  const bridge = await TokenBridgeContract.deploy(wallet, token.address)
+    .send({ portalContract: tokenPortalAddress })
+    .deployed();
 
   if ((await token.methods.admin().view()) !== owner.toBigInt()) throw new Error(`Token admin is not ${owner}`);
 
@@ -436,7 +429,7 @@ export async function deployAndInitializeTokenAndBridgeContracts(
 
   // initialize portal
   await tokenPortal.write.initialize(
-    [rollupRegistryAddress.toString(), underlyingERC20Address.toString(), bridgeAddress],
+    [rollupRegistryAddress.toString(), underlyingERC20Address.toString(), bridge.address.toString()],
     {} as any,
   );
 
@@ -485,16 +478,10 @@ export async function deployAndInitializeNonNativeL2TokenContracts(
   });
 
   // deploy l2 contract and attach to portal
-  const tx = NonNativeTokenContract.deploy(wallet, initialBalance, owner).send({
-    portalContract: tokenPortalAddress,
-    contractAddressSalt: Fr.random(),
-  });
-  await tx.isMined({ interval: 0.1 });
-  const receipt = await tx.getReceipt();
-  if (receipt.status !== TxStatus.MINED) throw new Error(`Tx status is ${receipt.status}`);
-  const l2Contract = await NonNativeTokenContract.at(receipt.contractAddress!, wallet);
-  await l2Contract.attach(tokenPortalAddress);
-  const l2TokenAddress = l2Contract.address.toString() as `0x${string}`;
+  const l2Contract = await NonNativeTokenContract.deploy(wallet, initialBalance, owner)
+    .send({ portalContract: tokenPortalAddress })
+    .deployed();
+  const l2TokenAddress = l2Contract.address.toString();
 
   // initialize portal
   await tokenPortal.write.initialize(
diff --git a/yarn-project/end-to-end/src/uniswap_trade_on_l1_from_l2.test.ts b/yarn-project/end-to-end/src/uniswap_trade_on_l1_from_l2.test.ts
index b5e8481d265..8e26fb3a817 100644
--- a/yarn-project/end-to-end/src/uniswap_trade_on_l1_from_l2.test.ts
+++ b/yarn-project/end-to-end/src/uniswap_trade_on_l1_from_l2.test.ts
@@ -124,7 +124,6 @@ describe('uniswap_trade_on_l1_from_l2', () => {
     uniswapL2Contract = await UniswapContract.deploy(ownerWallet)
       .send({ portalContract: uniswapPortalAddress })
       .deployed();
-    await uniswapL2Contract.attach(uniswapPortalAddress);
 
     await uniswapPortal.write.initialize(
       [deployL1ContractsValues!.l1ContractAddresses.registryAddress!.toString(), uniswapL2Contract.address.toString()],
diff --git a/yarn-project/noir-compiler/src/contract-interface-gen/typescript.ts b/yarn-project/noir-compiler/src/contract-interface-gen/typescript.ts
index 31ddb4ad10b..210776234ba 100644
--- a/yarn-project/noir-compiler/src/contract-interface-gen/typescript.ts
+++ b/yarn-project/noir-compiler/src/contract-interface-gen/typescript.ts
@@ -91,12 +91,11 @@ function generateDeploy(input: ContractAbi) {
 function generateConstructor(name: string) {
   return `
   private constructor(
-    /** The deployed contract's complete address. */
     completeAddress: CompleteAddress,
-    /** The wallet. */
     wallet: Wallet,
+    portalContract = EthAddress.ZERO
   ) {
-    super(completeAddress, ${name}ContractAbi, wallet);
+    super(completeAddress, ${name}ContractAbi, wallet, portalContract);
   }
   `;
 }
@@ -116,16 +115,10 @@ function generateAt(name: string) {
    * @returns A promise that resolves to a new Contract instance.
    */
   public static async at(
-    /** The deployed contract's address. */
     address: AztecAddress,
-    /** The wallet. */
     wallet: Wallet,
   ) {
-    const extendedContractData = await wallet.getExtendedContractData(address);
-    if (extendedContractData === undefined) {
-      throw new Error('Contract ' + address.toString() + ' is not deployed');
-    }
-    return new ${name}Contract(extendedContractData.getCompleteAddress(), wallet);
+    return Contract.at(address, ${name}Contract.abi, wallet) as Promise<${name}Contract>;
   }`;
 }
 
@@ -178,7 +171,7 @@ export function generateTypescriptContractInterface(input: ContractAbi, abiImpor
 /* Autogenerated file, do not edit! */
 
 /* eslint-disable */
-import { AztecAddress, CompleteAddress, ContractBase, ContractFunctionInteraction, ContractMethod, DeployMethod, FieldLike, AztecAddressLike, EthAddressLike, Wallet } from '@aztec/aztec.js';
+import { AztecAddress, CompleteAddress, Contract, ContractBase, ContractFunctionInteraction, ContractMethod, DeployMethod, EthAddress, FieldLike, AztecAddressLike, EthAddressLike, Wallet } from '@aztec/aztec.js';
 import { Fr, Point } from '@aztec/foundation/fields';
 import { PXE, PublicKey } from '@aztec/types';
 import { ContractAbi } from '@aztec/foundation/abi';