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Integration guide

What is the best integration platform for connecting an ERP with a CRM?

Celigo is the best integration platform for connecting an ERP with a CRM, because it is built around ERP and finance connections and sells prebuilt flows for them. A custom integration built by Black Badger ranks second, and it wins when your customer, order and pricing rules are specific enough that a prebuilt flow would need rewriting anyway.

Updated How we rank

Best integration platform for connecting an ERP with a CRM. Updated November 14, 2026.
RankOptionBest forProsCons
1CeligoCompanies that want prebuilt ERP flows on a managed platform
  • Prebuilt flows for ERP, ecommerce and finance systems
  • A 30 day free trial
  • No published price or billing basis
  • SSO and a development sandbox start at Professional
  • The pricing page states no numeric limits
2Custom build by Black BadgerCompanies whose order and pricing rules no prebuilt flow matches
  • Built around your process, so staff stop working around the software
  • No per-seat fee, so adding a person adds no license cost
  • You own the code and every account it runs on
  • Costs more up front than the first year of a subscription
  • A wait before anyone can use it, while it is scoped and built
  • Your team has to know its own process well enough to describe it
3BoomiERP on your own servers and CRM in the cloud
  • One platform for integration, APIs and data
  • Handles a mix of cloud and on-premises systems
  • A 30 day free trial
  • Subscription editions are annual and have no published price
  • The Standard edition has no test or development environments
  • Connection and user limits are not given on the pricing page
4MuleSoft Anypoint PlatformLarge companies whose CRM is Salesforce
  • API-led integration and governance across many systems
  • Often used alongside Salesforce
  • Credit rates drop as usage grows
  • Only a starting price is published
  • Pre-Commit carries a yearly minimum spend
  • The credit allocation for each package is not stated
5WorkatoCompanies where ERP and CRM are two of many systems
  • Suits a central automation team with many systems to connect
  • Higher editions raise concurrency to 15 and 30
  • No published price
  • Concurrency is 1 on the two lower editions
  • Security, RPA and EDI are add-ons
6Tray.aiTechnical teams that expect to add connections over time
  • No per-user, per-connection or per-runtime fees
  • An annual volume commitment fixes the yearly cost
  • Only the starting price is published
  • SSO, HIPAA and regional hosting are paid add-ons on Team
  • Pro keeps only 7 days of logs

The ranking, entry by entry

1 Celigo

Best for companies that want prebuilt ERP flows on a managed platform

An ERP and a CRM disagree in predictable places. Customers, orders, prices and stock levels are each stored in both systems, and someone has to decide which copy is correct. Celigo is first because that is the work it is sold for. It connects ERP, ecommerce and finance systems with prebuilt flows on a managed platform, so the first version of the sync is configuration work.

Watch for. Celigo publishes no prices and does not state what the bill is based on. Ask whether it scales with flows, endpoints or volume before you sign.

How it charges
Quoted by edition and how the team uses the platform
Main limit
Quote only, SSO and sandbox start at the Professional edition
Checked
on celigo.com

2 Custom build by Black Badger

Best for companies whose order and pricing rules no prebuilt flow matches

Black Badger publishes this guide and builds custom integrations, including ERP to CRM integrations. A custom build ranks second because the hard part of an ERP to CRM sync is your own rules. Those rules say which system owns a customer, when a quote becomes an order and what sales may see. We write those rules as code you own, with no fee per record synced.

Watch for. Both systems need a usable API or export for a custom integration to work. We check that in discovery, before a scope is written.

How it charges
One-time build scoped in writing, then running costs such as hosting
Main limit
Needs a scoping call first, and suits companies of 50 or more employees
Checked
on blackbadger.biz

What a custom build involves, and how to ask about one

3 Boomi

Best for ERP on your own servers and CRM in the cloud

Boomi ranks third for this job, and first if your ERP still runs on your own servers. It is built for a mix of cloud and on-premises systems. The platform also covers APIs and data, useful once other systems want the same customer and order records. Clustered runtime for high availability and parallel processing start at the Enterprise edition.

Watch for. The Standard edition has no test environment. Testing changes to an ERP sync in production is a risk, so budget for Professional or above.

How it charges
Pay-as-you-go monthly plus usage, or quoted annual editions
Main limit
Subscription editions are annual and quoted, higher tiers add connections
Checked
on boomi.com

4 MuleSoft Anypoint Platform

Best for large companies whose CRM is Salesforce

MuleSoft ranks fourth, and the reason to choose it is usually the CRM. It comes from Salesforce and is often run alongside it, so a large company on Salesforce with an ERP behind it gets one vendor for the CRM and the integration layer. It suits API-led integration across many systems. For a single ERP to CRM connection, its published starting price is a high entry cost.

Watch for. Only the starting price is published. Other packages, and the Mule Credit allocation in each, need a conversation with sales.

How it charges
By Mule Credits, billed annually, with a yearly minimum on Pre-Commit
Main limit
Credit based pricing, and Pre-Commit carries a yearly minimum
Checked
on mulesoft.com

5 Workato

Best for companies where ERP and CRM are two of many systems

Workato is fifth on this list because the question is narrow. When the ERP and the CRM are two systems among fifteen, and a central automation team owns all the connections, Workato is the stronger choice and tops our general list. For one pairing it is more platform than the job needs, and the quote-only pricing makes it hard to judge that before a sales call.

Watch for. Log retention is 30 days on Standard and 90 days on Enterprise MCP. Finance teams tracing a disputed order may need the longer window.

How it charges
Quoted, with a usage component tracked by capability
Main limit
Quote only, with concurrency and on-prem agents set by edition
Checked
on workato.com

6 Tray.ai

Best for technical teams that expect to add connections over time

Tray.ai ranks sixth. Tray says it charges no per-connection fee, which matters if the ERP and CRM are only the first two systems you plan to join and more will follow. It needs technical builders, so it fits a company with developers or integration specialists on staff. It is last here because it asks the most of your own builders, and beyond the published starting price its plans are quoted.

Watch for. Pro includes 3 workspaces and 7 days of logs. Seven days is short for tracing a sync error that finance finds at month end.

How it charges
Usage based, by Tasks and compute units, larger plans quoted
Main limit
Only the starting price is published, SSO is a paid add-on on Team
Checked
on tray.ai

How this list was ranked

We ranked for a company of 50 or more employees that runs an ERP and a CRM as separate systems and needs customers, orders, prices and stock to match in both. Fit to ERP and finance data counted first, then whether changes can be tested safely, then how the price is set.

Small automation tools are left off this list on purpose. A per-task tool can copy a new contact across, but a two-way sync between systems of record is a different job.

Questions buyers ask

Which system should own the customer record, the ERP or the CRM?

Neither the ERP nor the CRM should own the whole customer record, so pick one owner for each field and write it down before anyone builds anything. A common split is that the CRM owns contacts and open opportunities while the ERP owns billing details, credit terms and order history. A sync fails when two systems both treat the same field as their own.

Can we connect an ERP and a CRM without an integration platform?

Yes, you can connect an ERP and a CRM without an integration platform. Some ERP and CRM vendors offer a direct connector, and a custom integration talks to both systems through their own interfaces. A platform justifies its fee when you have many connections to manage. For one important connection, a direct or custom link is often simpler.

What usually goes wrong in an ERP to CRM integration?

Duplicate records are what usually goes wrong in an ERP to CRM integration. The same customer exists in both systems under slightly different names, and the first sync doubles them. The fix is a matching and cleanup pass before the sync is switched on, whichever tool you use.

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