Service — Product design consulting, short engagements that unblock decisions, not slides.
Design consulting is the work of bringing senior product judgment into a specific decision, without a full sprint engagement. The right consulting call can save a quarter of engineering effort, prevent a hire that would have gone wrong, or kill a feature that would have shipped and regretted.
Lumixel Studio offers product design consulting for founders, heads of product, engineering leads, and design leaders at SaaS, fintech, healthcare, cybersecurity, and B2B software companies. Short engagements with the senior who would otherwise lead a sprint, applied to the decision you're stuck on right now.
Lumixel offers senior product design consulting for SaaS, fintech, healthcare, and B2B software, short engagements that unblock decisions, shape hires, and inform direction without a multi-month commitment.
01 / 10
What design consulting actually does.
Consulting is not a sprint. We're not designing screens, we're bringing senior judgment to a question where the answer changes what you do next. Specifically:
- Direction decisions. Should we build this feature? Rebuild this surface? Add this platform? We give you a clear recommendation with the reasoning behind it.
- Hiring decisions. Are we hiring the right kind of designer? Reviewing portfolios. Sitting in on final-round interviews. Sometimes drafting the job description, sometimes telling you why this role shouldn't exist yet.
- Vendor decisions. Is this agency the right fit for what you need? Reviewing proposals. Spotting where the scope is undersold or overbought.
- Architecture sanity checks. Reviewing a proposed IA, role model, or system before your team commits engineering weeks to building it.
- Critique and review. Walking through existing work with your in-house team. Naming what's working, what's not, what to change.
02 / 10
When to bring in a consultant.
Three classic moments:
- Before a major commitment. Before you sign with an agency, hire a senior designer, or commit a quarter of engineering to a new platform. An hour of senior consulting often changes the trajectory of a $100K+ decision.
- When the team is stuck. Two designers disagree. A PM and a designer don't see the problem the same way. An outside senior breaks the tie, and explains the reasoning so the team learns from it.
- Between full engagements. Your in-house team is shipping. You need a senior to drop in monthly to review work, name what's drifting, and keep the bar high.
03 / 10
Engagement shapes.
We run consulting three ways:
- Single call ($500–$1K). 60 to 90 minutes. Specific decision. We come prepared (you send context in advance), we give a clear recommendation, and you walk away with action items. One-time, no retainer.
- Multi-call engagement ($2K–$5K). Three to six calls over a few weeks. For decisions that unfold, hiring processes, vendor selection, a phased redesign call. Includes async review of materials between calls.
- Monthly retainer ($3K–$8K / month). Ongoing senior availability for design review, hiring support, vendor advice, and strategic input. Best for Series B+ teams with an in-house designer who needs a senior sounding board.
For anything that turns into actual design work, we move to a sprint engagement.
04 / 10
Who hires us for consulting.
- Founders trying to evaluate whether they need a designer hire, an agency engagement, or neither.
- Heads of product who want senior design input on a roadmap decision before committing engineering weeks.
- Engineering leads who've been handed a design problem and need a senior to scope it realistically.
- Design leaders at larger companies who want an outside senior opinion on a structural decision , usually monthly retainer shape.
- Investors and boards who want a senior design assessment of a portfolio company before committing follow-on capital.
05 / 10
How a consulting engagement works.
For a single call:
- Send a short brief (problem, what you've tried, what decision you're facing) and any relevant materials.
- We do 30 minutes of prep, reviewing materials, forming a view.
- We meet for 60 to 90 minutes. Clear recommendation, reasoning, action items.
- Follow-up note within 48 hours with the recommendation written down. So three months later, the conversation isn't lost.
Multi-call engagements stretch the same shape over weeks, with async review of materials in between. Monthly retainers settle into a regular cadence, usually a weekly or fortnightly call with async availability otherwise.
06 / 10
Recent consulting work.
Most of our consulting is confidential, by nature, the decisions are sensitive. We can describe anonymised examples on a discovery call. The common pattern: a founder or head of product facing a high-stakes decision with limited senior design input around them. The consulting call shapes the decision; the decision shapes the next quarter.
For an example of what a longer-form Lumixel engagement looks like, see selected work.
07 / 10
Decision frameworks we use in consulting.
The value of a consulting call is structured thinking applied quickly. Some of the frameworks we lean on:
- The structural-vs-surface question. Before recommending any visual change, separate what's a structural problem (IA, role model, data architecture) from what's a surface problem (visual treatment, copy, component styling). The fix path differs entirely.
- The buyer-vs-user decomposition. For B2B products, separate decisions made for the buyer (procurement, security review, demo) from decisions made for the user (daily workflow, hours-per-day usability). Optimising for one often hurts the other.
- The cost-of-not-deciding lens. Most stuck teams aren't debating between two options, they're paying ongoing cost for having no decision. Often the right move is picking the less-perfect option to stop the bleeding.
- The reversibility check. Is this decision reversible? If yes, decide fast and learn. If no, slow down. Most teams treat reversible decisions as if they were irreversible, burning weeks on debates that don't matter.
- The role-not-person framing. When hiring, separate the role from the candidate. Is the role itself well-defined? Many bad hires happen because the role was ambiguous, not because the candidate was wrong.
08 / 10
Common consulting scenarios.
Anonymised examples of the kinds of decisions consulting calls have helped with. All commercially sensitive details abstracted; the patterns are real:
- The pre-redesign sanity check. Founder considering a full product redesign before Series B fundraising. Consulting call surfaced that the actual problem was a specific flow, not the whole product. Saved a quarter of engineering effort.
- The first design hire. Engineering-heavy team about to hire their first designer. Portfolio review and final-round interview support over three calls. Helped them identify a candidate who could carry both individual contribution and design-system ownership.
- The agency evaluation. CEO evaluating three agency proposals for a redesign. Review revealed that two proposals scoped to half the actual work; the third was realistic but expensive. Helped pick honestly.
- The fractional design lead bridge. Series B company between hiring their first head of design. Monthly retainer for six months provided senior design input on roadmap decisions during the search.
- The pre-acquisition review. Investor doing diligence on a portfolio company's product. Review surfaced design-system debt and IA structural issues that informed valuation discussions.
09 / 10
Consulting vs fractional head of design.
These get treated as the same thing. They're different shapes:
- Fractional head of design usually means a title, a fixed time commitment per week, reporting into the org, and operational ownership of in-house designers. Right for companies with two or more in-house designers and a real need for senior leadership.
- Monthly consulting retainer is ongoing senior availability without title or operational responsibility. Used for design review, hiring support, vendor advice, strategic input. Right for teams with one in-house designer who needs a senior sounding board.
We do the monthly retainer; we don't take fractional head-of-design roles. The retainer model is more honest for teams that aren't yet at the size where a real head of design role makes sense, and it's explicitly a bridge while you hire the real thing.
10 / 10
Consulting for hiring decisions.
Hiring senior design is one of the hardest hires for product-led companies. Three ways we help:
- Role scoping. Before posting, we review the role with you. Often the job description is ambiguous about whether you need an IC, a design lead, or a generalist, and the candidates you attract reflect that ambiguity.
- Portfolio review. Async review of shortlisted candidates' portfolios. We flag what to ask in interviews based on what their work actually shows (and what it doesn't).
- Final-round interview support. Either as a panellist (you bring us in for a 60-90 min interview with the candidate) or observer (we sit in on your existing process and debrief).
We don't run searches or place candidates. That's a recruiter's job. We provide the senior design judgment on whether a specific hire is right for the role you need.
FAQ — Common questions about Product Design Consulting.
Related — Keep reading.
Talk to us — Have a project that needs this?
Book a 30-minute discovery call. Free. No slides, no sales.
Book a discovery call