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Case Study · 🎨 Agency Partner

How a 15-Person London Agency Added a Six-Figure Software Practice Without Hiring a Developer

A branding and digital agency in London kept winning clients who wanted more than a website — they wanted a client portal, a booking system, a piece of internal automation. The agency had always said no to that part of the brief. Under a white-label partnership with Infomaze, they said yes for the first time, delivered three software projects in a year under their own name, and never once had a client ask who actually wrote the code.

3White-label software projects delivered in 1 Year
£140K+New software revenue added to the agency's book
0Clients aware a delivery partner was involved

Partner

Branding & digital agency, London, UK (name withheld under partner NDA)

Partner Type

White-Label Development Agency Partner

Engagement Models

White-label delivery, project-based

Team Size

15 people (agency); no in-house developers

Services Delivered

Client portal, booking/scheduling system, workflow automation

Partnership Length

12 months, ongoing

— The Challenge

Every brief eventually asked for something they couldn't build

The agency's work — brand identity, website design, marketing campaigns — was consistently strong, and it kept earning them a seat at the table for bigger conversations. The problem was what happened at that table. A retail client wanted a loyalty portal. A property client wanted an online booking and viewing-request system tied into their CRM. A professional services client wanted to automate a quoting process that was eating up two staff members' time each week.

None of it was a design problem. All of it needed software engineering the agency didn't have, and didn't want to build in-house — hiring even two developers would have meant new payroll, new management overhead, and idle capacity between projects, since software work wasn't a predictable, steady stream for them the way design retainers were.

  • No engineering capability, and no appetite to build one — the agency's margins and culture were built around design and strategy, not software delivery
  • The agency's brand had to stay front and centre — clients had been sold on the agency, not on a subcontractor they'd never met
  • Deadlines were tied to marketing campaigns and product launches — a booking system that slipped past a property launch date wasn't a minor delay, it was a missed opportunity
  • Margin mattered — the agency needed to mark up the work at a rate that made it worth taking on, not just break even on a favour to the client

Referring these clients elsewhere had always felt like handing over the relationship. The agency needed a way to say yes without becoming, in effect, a recruiter for someone else's software firm.

Invisible engineering team behind the agency's own brand
— The Solution

An invisible engineering team behind the agency's own brand

The first project — a client portal for a boutique retail loyalty programme — was treated by both sides as a trial. Infomaze worked entirely from the agency's brief, brand guidelines and client-facing documentation, with the agency's account lead as the single point of client contact throughout.

01

Discovery handled jointly, delivery handled quietly.

The agency ran the client-facing kickoff and design conversations; Infomaze's solution architect joined only the internal scoping calls, never the client meetings, to translate the creative brief into a technical plan.

02

All documentation, repos, and deliverables carried the agency's branding

Status updates, staging environments, and sign-off documents were templated under the agency's name — nothing shipped with an Infomaze watermark or signature.

03

Milestone billing matched the agency's own client invoicing cadence

Infomaze billed the agency at partner rates on a milestone schedule; the agency invoiced its client on its own schedule and rate, keeping full control of margin.

04

A dedicated delivery manager carried context between projects

By the second and third engagements, the agency wasn't re-explaining its brand voice or client relationships from scratch — the same delivery lead already understood how the agency worked.

Why It Worked

The instinct for an agency in this position is often to treat the first white-label project as a one-off experiment — dip a toe in, see if it goes badly. That framing tends to produce exactly the caution that makes a first project go badly: under-scoped briefs, thin communication, low trust. Treating it instead as the first instance of an ongoing capability — with proper discovery, a real delivery manager, and branded documentation from day one — is what let the second and third projects move faster and with less oversight than the first.

The Replicable Lesson

Agencies don't need to become software companies to sell software projects. The work that matters is discovery, brand, and client relationship management — all things a good agency already does well. A white-label engineering partner's job is to be invisible enough that none of that changes from the client's side of the table.

— Results

What one year of white-label delivery added to the agency

The retail loyalty portal launched on schedule for the client's autumn campaign, and the property client's booking system went live two weeks ahead of their showroom opening. Word of both projects reached the agency's existing client base through account managers, not marketing — two further software enquiries came from clients who'd never been pitched on software services at all, simply because the agency could now say yes.

Software work now sits alongside design and marketing as a standing line on the agency's services page, contributing over £140,000 in new revenue in the first year without a single hire. The agency's founder has described the arrangement to colleagues as "having a development department we never have to manage."

🎟️Loyalty Portal
Retail client membership & rewards portal, white-label
📅Booking & CRM Sync
Property viewings system tied into client's existing CRM
⚙️Quote Automation
Automated a manual quoting workflow for a services client

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