diff --git a/rust/chains/hyperlane-sealevel/src/error.rs b/rust/chains/hyperlane-sealevel/src/error.rs
new file mode 100644
index 0000000000..55b81b4167
--- /dev/null
+++ b/rust/chains/hyperlane-sealevel/src/error.rs
@@ -0,0 +1,23 @@
+use hyperlane_core::ChainCommunicationError;
+use solana_client::client_error::ClientError;
+use solana_sdk::pubkey::ParsePubkeyError;
+
+/// Errors from the crates specific to the hyperlane-sealevel
+/// implementation.
+/// This error can then be converted into the broader error type
+/// in hyperlane-core using the `From` trait impl
+#[derive(Debug, thiserror::Error)]
+pub enum HyperlaneSealevelError {
+    /// ParsePubkeyError error
+    #[error("{0}")]
+    ParsePubkeyError(#[from] ParsePubkeyError),
+    /// ClientError error
+    #[error("{0}")]
+    ClientError(#[from] ClientError),
+}
+
+impl From<HyperlaneSealevelError> for ChainCommunicationError {
+    fn from(value: HyperlaneSealevelError) -> Self {
+        ChainCommunicationError::from_other(value)
+    }
+}
diff --git a/rust/chains/hyperlane-sealevel/src/interchain_gas.rs b/rust/chains/hyperlane-sealevel/src/interchain_gas.rs
index 3c3adedd25..411505aae2 100644
--- a/rust/chains/hyperlane-sealevel/src/interchain_gas.rs
+++ b/rust/chains/hyperlane-sealevel/src/interchain_gas.rs
@@ -35,6 +35,7 @@ pub struct SealevelInterchainGasPaymaster {
     data_pda_pubkey: Pubkey,
     domain: HyperlaneDomain,
     igp_account: H256,
+    provider: SealevelProvider,
 }
 
 impl SealevelInterchainGasPaymaster {
@@ -43,12 +44,9 @@ impl SealevelInterchainGasPaymaster {
         conf: &ConnectionConf,
         igp_account_locator: &ContractLocator<'_>,
     ) -> ChainResult<Self> {
-        let rpc_client = RpcClientWithDebug::new_with_commitment(
-            conf.url.to_string(),
-            CommitmentConfig::processed(),
-        );
+        let provider = SealevelProvider::new(igp_account_locator.domain.clone(), conf);
         let program_id =
-            Self::determine_igp_program_id(&rpc_client, &igp_account_locator.address).await?;
+            Self::determine_igp_program_id(provider.rpc(), &igp_account_locator.address).await?;
         let (data_pda_pubkey, _) =
             Pubkey::find_program_address(igp_program_data_pda_seeds!(), &program_id);
 
@@ -57,6 +55,7 @@ impl SealevelInterchainGasPaymaster {
             data_pda_pubkey,
             domain: igp_account_locator.domain.clone(),
             igp_account: igp_account_locator.address,
+            provider,
         })
     }
 
@@ -91,7 +90,7 @@ impl HyperlaneChain for SealevelInterchainGasPaymaster {
     }
 
     fn provider(&self) -> Box<dyn HyperlaneProvider> {
-        Box::new(SealevelProvider::new(self.domain.clone()))
+        self.provider.provider()
     }
 }
 
diff --git a/rust/chains/hyperlane-sealevel/src/interchain_security_module.rs b/rust/chains/hyperlane-sealevel/src/interchain_security_module.rs
index 953b2eac5b..0f92432eb1 100644
--- a/rust/chains/hyperlane-sealevel/src/interchain_security_module.rs
+++ b/rust/chains/hyperlane-sealevel/src/interchain_security_module.rs
@@ -10,29 +10,31 @@ use hyperlane_core::{
 use hyperlane_sealevel_interchain_security_module_interface::InterchainSecurityModuleInstruction;
 use serializable_account_meta::SimulationReturnData;
 
-use crate::{utils::simulate_instruction, ConnectionConf, RpcClientWithDebug};
+use crate::{utils::simulate_instruction, ConnectionConf, RpcClientWithDebug, SealevelProvider};
 
 /// A reference to an InterchainSecurityModule contract on some Sealevel chain
 #[derive(Debug)]
 pub struct SealevelInterchainSecurityModule {
-    rpc_client: RpcClientWithDebug,
     payer: Option<Keypair>,
     program_id: Pubkey,
-    domain: HyperlaneDomain,
+    provider: SealevelProvider,
 }
 
 impl SealevelInterchainSecurityModule {
     /// Create a new sealevel InterchainSecurityModule
     pub fn new(conf: &ConnectionConf, locator: ContractLocator, payer: Option<Keypair>) -> Self {
-        let rpc_client = RpcClientWithDebug::new(conf.url.to_string());
+        let provider = SealevelProvider::new(locator.domain.clone(), conf);
         let program_id = Pubkey::from(<[u8; 32]>::from(locator.address));
         Self {
-            rpc_client,
             payer,
             program_id,
-            domain: locator.domain.clone(),
+            provider,
         }
     }
+
+    fn rpc(&self) -> &RpcClientWithDebug {
+        self.provider.rpc()
+    }
 }
 
 impl HyperlaneContract for SealevelInterchainSecurityModule {
@@ -43,11 +45,11 @@ impl HyperlaneContract for SealevelInterchainSecurityModule {
 
 impl HyperlaneChain for SealevelInterchainSecurityModule {
     fn domain(&self) -> &HyperlaneDomain {
-        &self.domain
+        self.provider.domain()
     }
 
     fn provider(&self) -> Box<dyn hyperlane_core::HyperlaneProvider> {
-        Box::new(crate::SealevelProvider::new(self.domain.clone()))
+        self.provider.provider()
     }
 }
 
@@ -63,7 +65,7 @@ impl InterchainSecurityModule for SealevelInterchainSecurityModule {
         );
 
         let module = simulate_instruction::<SimulationReturnData<u32>>(
-            &self.rpc_client,
+            self.rpc(),
             self.payer
                 .as_ref()
                 .ok_or_else(|| ChainCommunicationError::SignerUnavailable)?,
diff --git a/rust/chains/hyperlane-sealevel/src/lib.rs b/rust/chains/hyperlane-sealevel/src/lib.rs
index 864e449061..8cd8830f57 100644
--- a/rust/chains/hyperlane-sealevel/src/lib.rs
+++ b/rust/chains/hyperlane-sealevel/src/lib.rs
@@ -15,6 +15,7 @@ pub use solana_sdk::signer::keypair::Keypair;
 pub use trait_builder::*;
 pub use validator_announce::*;
 
+mod error;
 mod interchain_gas;
 mod interchain_security_module;
 mod mailbox;
diff --git a/rust/chains/hyperlane-sealevel/src/mailbox.rs b/rust/chains/hyperlane-sealevel/src/mailbox.rs
index 840661b3c9..ab72e4b0f2 100644
--- a/rust/chains/hyperlane-sealevel/src/mailbox.rs
+++ b/rust/chains/hyperlane-sealevel/src/mailbox.rs
@@ -69,8 +69,7 @@ pub struct SealevelMailbox {
     pub(crate) program_id: Pubkey,
     inbox: (Pubkey, u8),
     pub(crate) outbox: (Pubkey, u8),
-    pub(crate) rpc_client: RpcClient,
-    pub(crate) domain: HyperlaneDomain,
+    pub(crate) provider: SealevelProvider,
     payer: Option<Keypair>,
 }
 
@@ -81,10 +80,7 @@ impl SealevelMailbox {
         locator: ContractLocator,
         payer: Option<Keypair>,
     ) -> ChainResult<Self> {
-        // Set the `processed` commitment at rpc level
-        let rpc_client =
-            RpcClient::new_with_commitment(conf.url.to_string(), CommitmentConfig::processed());
-
+        let provider = SealevelProvider::new(locator.domain.clone(), conf);
         let program_id = Pubkey::from(<[u8; 32]>::from(locator.address));
         let domain = locator.domain.id();
         let inbox = Pubkey::find_program_address(mailbox_inbox_pda_seeds!(), &program_id);
@@ -99,8 +95,7 @@ impl SealevelMailbox {
             program_id,
             inbox,
             outbox,
-            rpc_client,
-            domain: locator.domain.clone(),
+            provider,
             payer,
         })
     }
@@ -112,6 +107,10 @@ impl SealevelMailbox {
         self.outbox
     }
 
+    pub fn rpc(&self) -> &RpcClientWithDebug {
+        self.provider.rpc()
+    }
+
     /// Simulates an instruction, and attempts to deserialize it into a T.
     /// If no return data at all was returned, returns Ok(None).
     /// If some return data was returned but deserialization was unsuccesful,
@@ -121,7 +120,7 @@ impl SealevelMailbox {
         instruction: Instruction,
     ) -> ChainResult<Option<T>> {
         simulate_instruction(
-            &self.rpc_client,
+            &self.rpc(),
             self.payer
                 .as_ref()
                 .ok_or_else(|| ChainCommunicationError::SignerUnavailable)?,
@@ -136,7 +135,7 @@ impl SealevelMailbox {
         instruction: Instruction,
     ) -> ChainResult<Vec<AccountMeta>> {
         get_account_metas(
-            &self.rpc_client,
+            &self.rpc(),
             self.payer
                 .as_ref()
                 .ok_or_else(|| ChainCommunicationError::SignerUnavailable)?,
@@ -263,11 +262,11 @@ impl HyperlaneContract for SealevelMailbox {
 
 impl HyperlaneChain for SealevelMailbox {
     fn domain(&self) -> &HyperlaneDomain {
-        &self.domain
+        &self.provider.domain()
     }
 
     fn provider(&self) -> Box<dyn HyperlaneProvider> {
-        Box::new(SealevelProvider::new(self.domain.clone()))
+        self.provider.provider()
     }
 }
 
@@ -295,7 +294,7 @@ impl Mailbox for SealevelMailbox {
             );
 
         let account = self
-            .rpc_client
+            .rpc()
             .get_account_with_commitment(
                 &processed_message_account_key,
                 CommitmentConfig::finalized(),
@@ -309,7 +308,7 @@ impl Mailbox for SealevelMailbox {
     #[instrument(err, ret, skip(self))]
     async fn default_ism(&self) -> ChainResult<H256> {
         let inbox_account = self
-            .rpc_client
+            .rpc()
             .get_account(&self.inbox.0)
             .await
             .map_err(ChainCommunicationError::from_other)?;
@@ -436,7 +435,7 @@ impl Mailbox for SealevelMailbox {
         };
         instructions.push(inbox_instruction);
         let (recent_blockhash, _) = self
-            .rpc_client
+            .rpc()
             .get_latest_blockhash_with_commitment(commitment)
             .await
             .map_err(ChainCommunicationError::from_other)?;
@@ -451,7 +450,7 @@ impl Mailbox for SealevelMailbox {
         tracing::info!(?txn, "Created sealevel transaction to process message");
 
         let signature = self
-            .rpc_client
+            .rpc()
             .send_and_confirm_transaction(&txn)
             .await
             .map_err(ChainCommunicationError::from_other)?;
@@ -459,7 +458,7 @@ impl Mailbox for SealevelMailbox {
         tracing::info!(?txn, ?signature, "Sealevel transaction sent");
 
         let executed = self
-            .rpc_client
+            .rpc()
             .confirm_transaction_with_commitment(&signature, commitment)
             .await
             .map_err(|err| warn!("Failed to confirm inbox process transaction: {}", err))
@@ -498,7 +497,6 @@ impl Mailbox for SealevelMailbox {
 /// Struct that retrieves event data for a Sealevel Mailbox contract
 #[derive(Debug)]
 pub struct SealevelMailboxIndexer {
-    rpc_client: RpcClientWithDebug,
     mailbox: SealevelMailbox,
     program_id: Pubkey,
 }
@@ -506,18 +504,20 @@ pub struct SealevelMailboxIndexer {
 impl SealevelMailboxIndexer {
     pub fn new(conf: &ConnectionConf, locator: ContractLocator) -> ChainResult<Self> {
         let program_id = Pubkey::from(<[u8; 32]>::from(locator.address));
-        let rpc_client = RpcClientWithDebug::new(conf.url.to_string());
         let mailbox = SealevelMailbox::new(conf, locator, None)?;
         Ok(Self {
             program_id,
-            rpc_client,
             mailbox,
         })
     }
 
+    fn rpc(&self) -> &RpcClientWithDebug {
+        &self.mailbox.rpc()
+    }
+
     async fn get_finalized_block_number(&self) -> ChainResult<u32> {
         let height = self
-            .rpc_client
+            .rpc()
             .get_block_height()
             .await
             .map_err(ChainCommunicationError::from_other)?
@@ -560,7 +560,7 @@ impl SealevelMailboxIndexer {
             with_context: Some(false),
         };
         let accounts = self
-            .rpc_client
+            .rpc()
             .get_program_accounts_with_config(&self.mailbox.program_id, config)
             .await
             .map_err(ChainCommunicationError::from_other)?;
@@ -595,7 +595,7 @@ impl SealevelMailboxIndexer {
 
         // Now that we have the valid message storage PDA pubkey, we can get the full account data.
         let account = self
-            .rpc_client
+            .rpc()
             .get_account_with_commitment(
                 &valid_message_storage_pda_pubkey,
                 CommitmentConfig::finalized(),
@@ -660,7 +660,7 @@ impl Indexer<HyperlaneMessage> for SealevelMailboxIndexer {
     }
 
     async fn get_finalized_block_number(&self) -> ChainResult<u32> {
-        get_finalized_block_number(&self.rpc_client).await
+        get_finalized_block_number(&self.rpc()).await
     }
 }
 
diff --git a/rust/chains/hyperlane-sealevel/src/merkle_tree_hook.rs b/rust/chains/hyperlane-sealevel/src/merkle_tree_hook.rs
index 1b15cb5331..e721a82019 100644
--- a/rust/chains/hyperlane-sealevel/src/merkle_tree_hook.rs
+++ b/rust/chains/hyperlane-sealevel/src/merkle_tree_hook.rs
@@ -4,7 +4,7 @@ use async_trait::async_trait;
 use derive_new::new;
 use hyperlane_core::{
     accumulator::incremental::IncrementalMerkle, ChainCommunicationError, ChainResult, Checkpoint,
-    Indexer, LogMeta, MerkleTreeHook, MerkleTreeInsertion, SequenceIndexer,
+    HyperlaneChain, Indexer, LogMeta, MerkleTreeHook, MerkleTreeInsertion, SequenceIndexer,
 };
 use hyperlane_sealevel_mailbox::accounts::OutboxAccount;
 use solana_sdk::commitment_config::CommitmentConfig;
@@ -22,7 +22,7 @@ impl MerkleTreeHook for SealevelMailbox {
         );
 
         let outbox_account = self
-            .rpc_client
+            .rpc()
             .get_account_with_commitment(&self.outbox.0, CommitmentConfig::finalized())
             .await
             .map_err(ChainCommunicationError::from_other)?
@@ -58,7 +58,7 @@ impl MerkleTreeHook for SealevelMailbox {
         })?;
         let checkpoint = Checkpoint {
             merkle_tree_hook_address: self.program_id.to_bytes().into(),
-            mailbox_domain: self.domain.id(),
+            mailbox_domain: self.domain().id(),
             root,
             index,
         };
diff --git a/rust/chains/hyperlane-sealevel/src/multisig_ism.rs b/rust/chains/hyperlane-sealevel/src/multisig_ism.rs
index 71cdc7136f..794e19c145 100644
--- a/rust/chains/hyperlane-sealevel/src/multisig_ism.rs
+++ b/rust/chains/hyperlane-sealevel/src/multisig_ism.rs
@@ -24,25 +24,29 @@ use multisig_ism::interface::{
 /// A reference to a MultisigIsm contract on some Sealevel chain
 #[derive(Debug)]
 pub struct SealevelMultisigIsm {
-    rpc_client: RpcClientWithDebug,
     payer: Option<Keypair>,
     program_id: Pubkey,
     domain: HyperlaneDomain,
+    provider: SealevelProvider,
 }
 
 impl SealevelMultisigIsm {
     /// Create a new Sealevel MultisigIsm.
     pub fn new(conf: &ConnectionConf, locator: ContractLocator, payer: Option<Keypair>) -> Self {
-        let rpc_client = RpcClientWithDebug::new(conf.url.to_string());
+        let provider = SealevelProvider::new(locator.domain.clone(), conf);
         let program_id = Pubkey::from(<[u8; 32]>::from(locator.address));
 
         Self {
-            rpc_client,
             payer,
             program_id,
             domain: locator.domain.clone(),
+            provider,
         }
     }
+
+    fn rpc(&self) -> &RpcClientWithDebug {
+        self.provider.rpc()
+    }
 }
 
 impl HyperlaneContract for SealevelMultisigIsm {
@@ -57,7 +61,7 @@ impl HyperlaneChain for SealevelMultisigIsm {
     }
 
     fn provider(&self) -> Box<dyn HyperlaneProvider> {
-        Box::new(SealevelProvider::new(self.domain.clone()))
+        self.provider.provider()
     }
 }
 
@@ -84,7 +88,7 @@ impl MultisigIsm for SealevelMultisigIsm {
 
         let validators_and_threshold =
             simulate_instruction::<SimulationReturnData<ValidatorsAndThreshold>>(
-                &self.rpc_client,
+                self.rpc(),
                 self.payer
                     .as_ref()
                     .ok_or_else(|| ChainCommunicationError::SignerUnavailable)?,
@@ -132,7 +136,7 @@ impl SealevelMultisigIsm {
         );
 
         get_account_metas(
-            &self.rpc_client,
+            self.rpc(),
             self.payer
                 .as_ref()
                 .ok_or_else(|| ChainCommunicationError::SignerUnavailable)?,
diff --git a/rust/chains/hyperlane-sealevel/src/provider.rs b/rust/chains/hyperlane-sealevel/src/provider.rs
index 47be23014c..91908f9168 100644
--- a/rust/chains/hyperlane-sealevel/src/provider.rs
+++ b/rust/chains/hyperlane-sealevel/src/provider.rs
@@ -1,19 +1,47 @@
+use std::{str::FromStr, sync::Arc};
+
 use async_trait::async_trait;
 
 use hyperlane_core::{
     BlockInfo, ChainResult, HyperlaneChain, HyperlaneDomain, HyperlaneProvider, TxnInfo, H256, U256,
 };
+use solana_sdk::{commitment_config::CommitmentConfig, pubkey::Pubkey};
+
+use crate::{client::RpcClientWithDebug, error::HyperlaneSealevelError, ConnectionConf};
 
 /// A wrapper around a Sealevel provider to get generic blockchain information.
 #[derive(Debug)]
 pub struct SealevelProvider {
     domain: HyperlaneDomain,
+    rpc_client: Arc<RpcClientWithDebug>,
 }
 
 impl SealevelProvider {
     /// Create a new Sealevel provider.
-    pub fn new(domain: HyperlaneDomain) -> Self {
-        SealevelProvider { domain }
+    pub fn new(domain: HyperlaneDomain, conf: &ConnectionConf) -> Self {
+        // Set the `processed` commitment at rpc level
+        let rpc_client = Arc::new(RpcClientWithDebug::new_with_commitment(
+            conf.url.to_string(),
+            CommitmentConfig::processed(),
+        ));
+
+        SealevelProvider { domain, rpc_client }
+    }
+
+    /// Get an rpc client
+    pub fn rpc(&self) -> &RpcClientWithDebug {
+        &self.rpc_client
+    }
+
+    /// Get the balance of an address
+    pub async fn get_balance(&self, address: String) -> ChainResult<U256> {
+        let pubkey = Pubkey::from_str(&address).map_err(Into::<HyperlaneSealevelError>::into)?;
+        let balance = self
+            .rpc_client
+            .get_balance(&pubkey)
+            .await
+            .map_err(Into::<HyperlaneSealevelError>::into)?;
+        Ok(balance.into())
     }
 }
 
@@ -25,6 +53,7 @@ impl HyperlaneChain for SealevelProvider {
     fn provider(&self) -> Box<dyn HyperlaneProvider> {
         Box::new(SealevelProvider {
             domain: self.domain.clone(),
+            rpc_client: self.rpc_client.clone(),
         })
     }
 }
@@ -44,7 +73,7 @@ impl HyperlaneProvider for SealevelProvider {
         Ok(true)
     }
 
-    async fn get_balance(&self, _address: String) -> ChainResult<U256> {
-        todo!() // FIXME
+    async fn get_balance(&self, address: String) -> ChainResult<U256> {
+        self.get_balance(address).await
     }
 }
diff --git a/rust/chains/hyperlane-sealevel/src/validator_announce.rs b/rust/chains/hyperlane-sealevel/src/validator_announce.rs
index 5fbb470af0..e7fc8dca80 100644
--- a/rust/chains/hyperlane-sealevel/src/validator_announce.rs
+++ b/rust/chains/hyperlane-sealevel/src/validator_announce.rs
@@ -8,7 +8,7 @@ use hyperlane_core::{
 };
 use solana_sdk::{commitment_config::CommitmentConfig, pubkey::Pubkey};
 
-use crate::{ConnectionConf, RpcClientWithDebug};
+use crate::{ConnectionConf, RpcClientWithDebug, SealevelProvider};
 use hyperlane_sealevel_validator_announce::{
     accounts::ValidatorStorageLocationsAccount, validator_storage_locations_pda_seeds,
 };
@@ -17,21 +17,25 @@ use hyperlane_sealevel_validator_announce::{
 #[derive(Debug)]
 pub struct SealevelValidatorAnnounce {
     program_id: Pubkey,
-    rpc_client: RpcClientWithDebug,
     domain: HyperlaneDomain,
+    provider: SealevelProvider,
 }
 
 impl SealevelValidatorAnnounce {
     /// Create a new Sealevel ValidatorAnnounce
     pub fn new(conf: &ConnectionConf, locator: ContractLocator) -> Self {
-        let rpc_client = RpcClientWithDebug::new(conf.url.to_string());
+        let provider = SealevelProvider::new(locator.domain.clone(), conf);
         let program_id = Pubkey::from(<[u8; 32]>::from(locator.address));
         Self {
             program_id,
-            rpc_client,
             domain: locator.domain.clone(),
+            provider,
         }
     }
+
+    fn rpc(&self) -> &RpcClientWithDebug {
+        self.provider.rpc()
+    }
 }
 
 impl HyperlaneContract for SealevelValidatorAnnounce {
@@ -46,7 +50,7 @@ impl HyperlaneChain for SealevelValidatorAnnounce {
     }
 
     fn provider(&self) -> Box<dyn hyperlane_core::HyperlaneProvider> {
-        Box::new(crate::SealevelProvider::new(self.domain.clone()))
+        self.provider.provider()
     }
 }
 
@@ -74,7 +78,7 @@ impl ValidatorAnnounce for SealevelValidatorAnnounce {
         // Get all validator storage location accounts.
         // If an account doesn't exist, it will be returned as None.
         let accounts = self
-            .rpc_client
+            .rpc()
             .get_multiple_accounts_with_commitment(&account_pubkeys, CommitmentConfig::finalized())
             .await
             .map_err(ChainCommunicationError::from_other)?