Plumbed for Custom Integrations That Keep Changing

The integration layer for companies with multiple systems, partner-specific workflows, and ongoing change.

Plumbed helps teams build, operate, and maintain custom integrations when standard tools are no longer enough. We focus on the messy reality after go-live: changing APIs, custom mappings, external partners, and operational complexity that keeps pulling engineers back in. Instead of just helping you launch, Plumbed helps you keep integrations running with less manual effort and fewer specialist resources.

Where Standard Integration Tools Break — Plumbed Takes Over

Standard connectors solve the easy part. Plumbed owns the hard part after go-live.

Tools like Merge, Workato, Celigo, and other catalog-based platforms work well when integrations are standard, stable, and lightly customized. Plumbed is built for the opposite case: custom business logic, non-standard connectors, frequent changes, and multiple external partners with different workflows. Everyone helps you build integrations. Very few teams truly own them after go-live. Plumbed does.

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A Clear ICP in DACH and Europe

We focus on companies with real integration complexity, not simple connector use cases.

In DACH and Europe, the relevant segment is companies with multiple systems, multiple partners, and constant integration change. The deck estimates around 50,000 companies in DACH and 250,000 in Europe with multiple systems and integrations, with a more focused ICP of companies that face custom integration work and ongoing maintenance pain. This creates a meaningful serviceable market built around operational complexity, not generic automation demand.

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A Larger Opportunity Across USA and UK

The same integration pain exists at even greater scale in English-speaking markets.

The deck extends the same logic to the USA and UK and estimates a large serviceable segment of companies with multiple systems, integration-heavy processes, and ongoing maintenance requirements. Combined with DACH and Europe, this leads to a total serviceable market of roughly €1.3B centered on companies that need more than standard connector platforms can offer. For Plumbed, this means the problem is not niche. It is global, repeatable, and structurally growing.

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Why This Category Matters

The market is large because integration software and services still leave a gap in complex, maintenance-heavy use cases.

The deck validates the opportunity from both software spend and systems integration spend. It argues that a meaningful share of the integration market sits in the segment where workflows are custom, change is frequent, and ongoing maintenance remains manual. That is the gap Plumbed is designed to serve: the space between standard software and expensive, specialist-heavy custom integration work.

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How We Define the Right Customer

Our focus is built on a simple formula: integration intensity, ICP fit, and willingness to pay.

Plumbed does not target every company with APIs. We focus on companies with multiple internal systems, multiple external partners, API-based workflows, and custom integrations that keep changing after go-live. The deck defines this market using four filters: number of companies, integration intensity, ICP fit, and ARR per customer. That makes the positioning sharper and helps explain why Plumbed is best suited for teams with true integration complexity, not basic connector setups.

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