The published interview with Adrianna Baranowska, a Scrum Master at Deployed, is a useful starting point for a practical question: how do you keep a brand coherent when the work is spread across strategy, design, development and delivery?

Deployed describes itself on its website as a software development company that builds custom digital products for clients. The company says it has ten years of experience working with local and overseas clients and lists its base in Kraków. That context matters because a brand book is not a marketing artefact that stops at the edge of a campaign. It becomes a working reference for anyone who touches a customer-facing product.

In brief

  • A brand book turns visual and verbal identity into rules product teams can apply.
  • Consistency depends less on the document itself than on its use in reviews, components and acceptance criteria.
  • Brand book and design system need to be read together; otherwise the product can look polished in a mockup and inconsistent in production.

What a brand book is for

A brand book sets out how a company presents itself in public. It can cover the name, logo, slogan, colour palette, typography and tone of voice, as well as the rules for using them together. A useful brand book does more than collect assets in one file. It explains the choices behind them, so a new landing page, pitch deck or mobile screen can feel like it belongs to the same organisation.

The strongest brand books tend to answer practical questions. What is the brand’s origin and mission? Who is it speaking to? How should it sound when the message is friendly, technical or urgent? Which logo version applies in a narrow header? What happens when a product team needs a new component that is not in the guidelines?

Why consistency is an operational issue

Consistency is often described as a creative virtue, but it is also an operational one. When every team interprets the brand differently, decisions multiply. A designer chooses a new shade because the correct one is hard to find. A developer builds a component that looks right in isolation but not on the page. A marketer writes in a tone that belongs to a different company. None of these choices is necessarily careless; they are the predictable result of unclear references.

A brand book reduces that friction by giving people a shared source of truth. It also makes review easier. Instead of arguing from taste, teams can point to a documented rule, a defined colour value or a worked example. That does not remove judgement, but it gives judgement a frame.

Where software delivery meets brand rules

In software projects, the brand book and the design system need to talk to each other. The design system turns brand decisions into reusable components: buttons, forms, navigation, spacing and states. If the two drift apart, the product can look polished in a mockup and inconsistent in production. The practical answer is to treat the brand book as an input to the design system, not as a document that appears after the interface is built.

This is where a Scrum Master’s view is useful. The work is not only about producing screens. It is about making sure the right constraints reach the right people at the right time. Brand guidance that lives in a folder nobody opens has little effect. Guidance that is visible in design reviews, component libraries and acceptance criteria has a chance to stick.

The revenue question

Brand books are often sold as a revenue lever. The operational case is easier to defend: consistent presentation supports recognition, and recognition supports trust. But a precise revenue percentage depends on the market, the baseline, the time frame and what else changed. The interview is most valuable when read as a practical argument for coherence rather than as a guarantee of a particular uplift.

For teams building digital products, that is enough. A brand book gives designers, developers and marketers a common language. It makes the work more repeatable, the review more objective and the customer experience more joined up. Those are modest outcomes, but they are the ones that tend to last.