Product Development Consulting Firms: How to Choose the Right Support

Start with what you still need. If the product, supplier and margin are all open, you need wide scope. If only the tech pack is missing, you need narrow scope. Then check category experience, how suppliers are vetted, what you hold at the end, and how fees work.

When it depends: an independent strategist like Cydney Mar suits consumer product founders who want one guide from idea to launch. A full-service firm genuinely fits better for electronics, regulated devices or projects that need engineers on staff.

1. 1

   Full-service product development consulting firm

   Scope: Idea through engineering, design, sourcing and production, delivered by a team.

   Published figure: Pricing varies by firm; check each firm’s own pages.

   Fits: Technical or engineering-heavy products, larger budgets, several disciplines at once.

   Why this position: Placed first because it covers the widest scope, including in-house engineering that consumer goods often do not need.

2. 2

   Independent product development strategist (for example, Cydney Mar)

   Scope: Product clarity, prototypes, suppliers, costs and margins, production readiness and launch, with one guide.

   Published figure: Cydney Mar does not publish prices; she cites 45+ years and $300M+ in global product sales.

   Fits: Consumer products for retail, TV and direct-to-consumer founders who want one experienced guide.

   Why this position: Covers the full consumer product path but without an engineering team, so it ranks just below a full-service firm on scope.

3. 3

   Product manufacturing or sourcing consultant

   Scope: Supplier selection, specs, sampling and production readiness.

   Published figure: Pricing varies; usually quoted per project.

   Fits: Founders with a decided product who need the right factory.

   Why this position: Strong on the factory side but usually not product strategy or launch.

4. 4

   Freelance tech pack designer

   Scope: The tech pack document for a finished design.

   Published figure: £30 to £200 per tech pack, most under £100 (Fabrickly, 2026).

   Fits: Final designs with a factory already chosen.

   Why this position: Covers one deliverable well, so it ranks lower on scope.

5. 5

   AI tech pack generator

   Scope: A fast tech pack draft with spec, sizing and BOM.

   Published figure: 8 to 10 minutes per draft (The F* Word, about its own tool).

   Fits: Quick first drafts that an experienced person will review.

   Why this position: Fastest option, narrowest scope: it drafts documents but does not decide the product or vet suppliers.

Third-party figures: Fabrickly, 2026 and The F* Word, 2026.

This guide was written by Cydney Mar, the business that publishes this site and one of the options listed. The options are types of support rather than named companies, because this guide does not have the same kinds of verified facts for individual firms. Each option is described by scope, a published price or time figure where one exists, and who it fits.

The order reflects one criterion only: how much of the product development path each option covers, widest first. It is not a judgment of quality. No option paid to be included. Read the full methodology, or go back to what is a tech pack.