They answer different questions. Most growing businesses need one before the other.

CRM or ERP: which one do you actually need?

What a CRM does, what an ERP does, where they overlap, and how to tell which one your business needs now - and later.

CRM and ERP are often mentioned together, and some products claim to be both. The terms are simpler than they sound: a CRM manages customers and the work of winning and keeping them; an ERP manages the operation that fulfils the work - orders, stock, purchasing, production and invoicing.

This guide explains where the line sits, when each one is the right starting point, and how to avoid choosing one now that blocks the other later.

In this guide

  1. What a CRM does
  2. What an ERP does
  3. Which one do you need first?
  4. Growing from one into both

What a CRM does

  • Holds customers, contacts and companies, with the history of every conversation.
  • Captures enquiries and leads, and tracks them through a pipeline.
  • Produces quotes and proposals, and follows them up.
  • Manages activities, follow-ups, campaigns and customer service.
  • Reports on pipeline, activity, win rates and forecasts.

What an ERP does

  • Takes sales orders and checks them against live stock.
  • Manages stock across locations, purchasing and suppliers.
  • Plans and records production or service work.
  • Handles despatch, invoicing and the link to the accounts.
  • Reports on margin, stock, delivery performance and cost.

Which one do you need first?

If your main problems are about customers - enquiries going unanswered, quotes not followed up, no view of the pipeline, relationships held by individuals - you need a CRM, and an ERP will not fix those problems.

If your main problems are operational - stock figures nobody trusts, orders keyed into several systems, no idea what a job cost - you need an ERP, and a CRM will not fix those.

Many service businesses, agencies and consultancies never need an ERP at all. Many manufacturers and distributors eventually need both.

Start with the problem that costs you most today. Just make sure the choice you make does not rule out the other one later.

Growing from one into both

The painful version of growth is buying a CRM from one vendor and an ERP from another, then spending years keeping two customer databases in step. The customer record is the one thing both systems depend on, and two copies always drift.

The easier version is a CRM and ERP that share a data model, so adding the operational side later uses the same customers, contacts and history. That is how CubeCRM and CubeERP are built, and it is worth asking any supplier about.

In short

What to take away

  • CRM manages customers and winning work; ERP manages fulfilling it.

  • Start with whichever problem costs most today.

  • Many service businesses never need an ERP.

  • If you may need both, choose systems that share a customer record.

Questions

Asked while people are working this out

  • Many ERPs include some CRM features, with varying depth. CubeERP includes everything in CubeCRM. Other ERPs may offer only basic contact management, so check if CRM matters to you.

  • Yes, and it is a common path. The key is to choose a CRM that will not force a customer data migration when you do. CubeCRM upgrades to CubeERP on the same records.

  • No. Customer service, account management, marketing and management all use the CRM. It is the shared record of every customer relationship.

  • Not necessarily. An accounts package handles invoices and the ledger. If your operation is simple, a CRM plus your accounts package may be all you need.

Relevant to this

Where CubeCRM fits

Linked because they are relevant to the guide, not because this is where the sales pitch goes.

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Bring the questions this raised

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