Connect Salesforce to your accounting, ERP, ecommerce, marketing and in-house systems, so customer, order and invoice data flows automatically. We design, build and support reliable integrations that remove double entry and give every team one accurate view of the customer.
- Connectors, MuleSoft or custom APIs
- Built and tested in a sandbox
- Monitoring and alerts included
- Itemised GBP quotes
Salesforce works best when it's connected
When Salesforce sits apart from your other systems, teams re-key data, reports disagree and customers get inconsistent answers. Integration fixes that by keeping the right data in the right place, automatically.
We start by understanding your processes and which system should own each piece of data. Then we recommend the simplest reliable approach, whether that's configuring a ready-made connector, using middleware or building a custom API integration, and support it after launch.
Want to understand the options first? Read our guide to Salesforce integration in the UK.
Systems we integrate with Salesforce
If it has an API, we can usually connect it.
Our Salesforce integration services
Integration strategy
Mapping systems, data ownership and the right approach for each connection.
Connector set-up
Configuring AppExchange and vendor connectors properly, including field mapping and testing.
Custom API integrations
REST, SOAP and Bulk API integrations for unique processes and high volumes.
Middleware and MuleSoft
Connecting multiple systems through an integration platform when it makes sense.
Real-time and event-driven sync
Platform Events and Change Data Capture for instant updates between systems.
Data clean-up and migration
De-duplicating and preparing data before systems are connected. See data migration.
Legacy system integration
Connecting older in-house systems, including via files or custom middleware.
Integration rescue
Fixing failing or unreliable integrations and adding proper error handling.
Monitoring and support
Alerts, logs and fixes as systems change. See managed services.
Tell us which systems you want to connect
We'll recommend the simplest reliable approach and send an itemised GBP estimate, with no obligation.
Choosing the right integration approach
We recommend what fits your systems and budget, not the most complex option.
| Approach | Best for | Consider |
|---|---|---|
| Ready-made connector | Common tools with standard processes | Subscription fees and limited customisation |
| Integration platform | Simple, trigger-based workflows | Usage-based costs as volumes grow |
| MuleSoft | Larger organisations connecting many systems | Licence costs and specialist skills |
| Custom API integration | Unique logic, legacy systems, high volumes | Needs documentation and ongoing support |
Our integration process
Free consultation
Your systems, processes and goals.
Discovery and mapping
Data ownership, fields and sync rules agreed.
Design
Approach, direction, timing and error handling.
Build in a sandbox
Never directly in your live org.
Test
Real scenarios, failures and volumes.
Go live
Deployment with monitoring and alerts.
Support
Fixes and updates as systems change.
Salesforce integration cost
Indicative ranges excluding VAT, Salesforce licences and connector or middleware subscriptions.
| Integration | Typically includes | Typical cost | Timeline |
|---|---|---|---|
| Connector set-up | Configuring an existing app, field mapping and testing | £2,000 – £8,000 | 1 – 3 weeks |
| Custom integration | One system, two-way sync, custom logic and error handling | £8,000 – £30,000 | 4 – 10 weeks |
| Multi-system integration | ERP, finance and more via middleware or MuleSoft | £30,000 – £100,000+ | 3 – 6 months+ |
Planning a wider project? See our Salesforce implementation cost guide.
Secure, reliable integrations
Integrations move customer and financial data between systems, so we design security and reliability in from the start, with data handling designed for UK GDPR.
Working in a regulated sector? See Salesforce in financial services and our fintech API integration services.
- OAuth with dedicated integration users
- Minimum permissions for each connection
- Encrypted connections between systems
- Only the data each system needs
- Retries, logs and failure alerts
- Efficient use of Salesforce API limits
Why choose Fulminous Software
Salesforce and software skills
Salesforce developers plus engineers who work with ERP, ecommerce and custom systems.
Simplest reliable approach
Connector, middleware or custom code, chosen to suit you.
Built to be monitored
Alerts and logs so failures don't go unnoticed.
Clear documentation
You own the code and know how every integration works.
London-headquartered
UK-hours project management and support.
Itemised GBP quotes
VAT and subscriptions shown separately.
Need developers in your team? See hire Salesforce developers.
Salesforce integration FAQs
What do your Salesforce integration services include?
We plan, build, test and support integrations between Salesforce and your other systems, including accounting, ERP, ecommerce, marketing, payments, productivity tools and custom applications. That covers data mapping, connector set-up, custom API development, middleware, data clean-up, error handling, monitoring and ongoing support.
How much do Salesforce integration services cost?
As a guide, setting up a ready-made connector typically costs £2,000 to £8,000, a custom integration with one system £8,000 to £30,000, and multi-system integrations £30,000 to £100,000 or more. Salesforce licences, connector or middleware subscriptions and ongoing support are extra. Prices exclude VAT.
How long does a Salesforce integration take?
Connector set-ups usually take 1 to 3 weeks, custom integrations 4 to 10 weeks, and multi-system projects 3 to 6 months or more, depending on data quality and complexity.
Which systems can you integrate with Salesforce?
Most systems with an API, including Xero, Sage, QuickBooks, NetSuite, SAP, Microsoft Dynamics 365, Shopify, Magento, WooCommerce, Mailchimp, HubSpot, Stripe, GoCardless, Outlook, Gmail, Microsoft Teams, Slack, DocuSign and in-house or legacy systems.
Do you use MuleSoft?
We recommend MuleSoft where it fits, typically for larger organisations connecting many systems. For many businesses, a ready-made connector, a lighter integration platform or a custom API integration is quicker and more cost-effective.
Can you fix an existing Salesforce integration that keeps failing?
Yes. We review how the integration works, find the causes of failures such as data issues, API limits or missing error handling, fix them and add monitoring so problems are caught early.
How do you keep integrations secure?
We use OAuth authentication with dedicated integration users and minimum permissions, encrypted connections, data minimisation, logging and alerts, and design data handling for UK GDPR.
What happens after the integration goes live?
We monitor integrations, fix issues, handle changes when connected systems or Salesforce releases change, and add improvements, either on demand or as part of a monthly support plan.
Ready to connect Salesforce to your business?
Schedule a free consultation. We'll review your systems, recommend the right integration approach and send an itemised GBP proposal.
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