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Anonymised engagement

Agency capacity buyout

White-label partnership

The engagement shape our partners buy most: capacity that arrives already integrated, and never appears on a client call.

Year
2026
Engagement
Rolling retainer

What it had to do.

A branding agency won a client who needed a product built, not just designed. The agency had strategists and designers and no engineers, and had already turned down two similar projects that year. Details are omitted deliberately: the partnership agreement does not permit them, which is rather the point of the model.

The constraint

The agency's client had to experience a single supplier. That is a communication design problem more than a technical one, and it fails through small leaks: a stray email domain, an unfamiliar name in a commit, a face on a call nobody introduced.

Architecture

How it is put together.

Client-facing

  • Agency account leadsole point of contact
  • Agency PMruns client reporting

Interface

  • Named technical leadours, invisible to client
  • Shared Slack channelagency workspace

Delivery

  • Engineer × 3senior, full-time
  • Agency QA gatesign-off before release

Tooling

  • Agency Jiratheir board, their workflow
  • Agency GitHub orgtheir conventions
  • Agency Figmadesign handoff
Two components carry the model: one named lead as the only interface, and the agency's own QA as the release gate.

Stack

  • Jira
  • Slack Connect
  • GitHub
  • Linear
  • Figma

Every choice cost something.

An architecture without trade-offs is an architecture nobody has stress-tested. Here is what we gave up for what we got.

Their tools, not ours

What we did

The team works inside the agency's Jira, GitHub organisation and Figma, using the agency's branch and commit conventions.

Why

Anything that leaves our fingerprints in an artefact the client might see is a leak. It also means the agency owns the history if the partnership ends.

What it cost

Onboarding is slower and our internal tooling does not apply. We absorb that cost rather than asking the partner to work our way.

One named lead, not a rotating team

What we did

A single technical lead is the only interface to the agency, and does not change without notice.

Why

Agencies have been burned by anonymous pools where nobody remembers last week's decision. One name makes accountability concrete.

What it cost

That person becomes a bottleneck when they are away. Covered by a documented deputy and decision records, so continuity does not depend on memory.

The agency's QA gates every release

What we did

Nothing reaches the client's environment without sign-off from the agency's own reviewer.

Why

The agency's reputation is what is on the line, so the agency holds the last check. It also keeps them genuinely across the product rather than nominally in charge.

What it cost

Releases wait on partner availability, which can add days. We would rather ship later than have a partner learn about a defect from their own client.

How it was built.

  1. Day 0

    Mutual NDA

    Signed before the project is described, so the agency can talk about the actual client rather than around them.

  2. Weeks 1-2

    Estimate and architecture

    Discovery and architecture first, then an hour level estimate with the risk buffer written into it. Nothing is scheduled until the breakdown is approved.

  3. Week 3

    Team assembly

    Engineers onboarded into the agency's tools and conventions, with access rules set by the agency's security policy.

  4. Ongoing

    Two-week cycles

    Demo at the end of each cycle to the agency, who present to their client as their own work. Thirty days' notice either way.

What is true of it.

Properties of the build we can demonstrate, not business results we did not measure.

  • The client's supplier relationship is with the agency alone; no deliverable, document or repository carries our name.

  • Work history stays in the agency's own systems, so the engagement can end without a migration.

  • Mutual no-solicit covers both the agency's clients and both parties' staff.

  • Handover documentation is produced continuously rather than at the end, because the end is not always scheduled.

Next step

Tell us what needs building.

A 30-minute call, under mutual NDA if you want one signed first. You leave with a view on scope, team shape and budget range, whether or not you work with us.

Or write to hello@warmbench.dev