1. Cydney Mar, product development strategist (publisher’s pick)
Listed first because Cydney Mar publishes this guide. Her offer covers every roadmap stage, backed by 45+ years of experience and $300M+ in global product sales, as she states.
Comparison guide
Product development consultants compared
Last updated: · Published by Cydney Mar
A product development consultant guides your decisions across every stage, while freelancers, AI tools and software each cover one part.
This comparison from The Product Development Roadmap is published by Cydney Mar, a product development strategist, and lists her consulting first as the publisher's own pick. It is not an independent review. Every entry is judged on the same four criteria: what it covers, published cost, speed and who it fits best.
Should I hire a product development consultant or a firm?
Hire a consultant when you need one experienced person to sequence decisions across the whole roadmap; hire a larger product development firm when you need an in-house engineering or industrial design team. Many consumer product founders need judgment and order more than headcount. A freelancer or AI tool genuinely fits when your product, supplier and costing are already settled and you only need a tech pack written.
Product development help compared on the same criteria
| Option | What it covers | Published cost | Speed | Best for |
|---|---|---|---|---|
| Cydney Mar, product development strategist (publisher’s pick) | Full Concept-to-Reality Pathway: product clarity, samples, sourcing, costing, production-ready tech packs, launch | Not published; contact for a quote | Not published; depends on scope | Consumer product founders for retail, TV and DTC who want one experienced guide |
| Freelance tech pack designers | Tech pack creation | £30 to £200 per tech pack, most under £100 (Fabrickly, 2026) | Not stated in the source | Founders who already have a defined product and supplier and need specs written |
| AI tech pack tools | Draft tech packs: spec, sizing, bill of materials | Varies by vendor and plan | 8 to 10 minutes for one vendor, The F Word (as stated by the vendor, 2026) | Founders comfortable reviewing technical documents themselves |
| Roadmap software (for example Productboard) | Planning and prioritizing feature ideas and roadmaps | Plans from $20/month per maker (Venture Harbour, 2026) | Immediate access to the software | Teams managing software products or large feature backlogs |
The ranked list, with the reason for each position
2. Freelance tech pack designers
Placed second because they cover one stage, the tech pack, at a published price range.
3. AI tech pack tools
Placed third because they cover one stage, with published speed figures from a vendor.
4. Roadmap software (for example Productboard)
Placed fourth because it is built for planning, not physical sampling, sourcing or tech packs.
What does an MVP product development consultant do?
Define the smallest product worth selling
For physical goods, a minimum viable product is often a focused first collection or one hero product. Cydney Mar has offered programs built around a first mini collection and a full collection for founders at different stages.
Keep the first run within reach
An MVP still needs a tech pack, a vetted supplier and a working margin. See the tech pack format guide and the product development roadmap.
How we chose
This page was written by Cydney Mar, who publishes this site and offers one of the options compared. Entries were judged on four criteria: what each covers, published cost, speed and best fit. Facts come from cydneymar.com and from the cited public pages: Fabrickly, The F Word and Venture Harbour.
No audit or independent test was carried out. Read the full methodology. Published by Cydney Mar.
Common questions
Short answers below. The full product development FAQ answers 48 founder questions.
What does a product development consultant do?
A product development consultant guides founders through defining, prototyping, sourcing, costing and preparing a product for manufacturing and launch. Cydney Mar works on product development, including production-ready tech packs, sampling, sourcing, costing and production readiness, plus business strategy and positioning. She cites 45+ years of experience and $300M+ in global product sales.
More answers in the FAQShould I hire a product development consultant or a firm?
Choose a consultant when you want one experienced person guiding your decisions across every stage; choose a larger firm when you need a full in-house engineering or design team. Many consumer product founders need judgment and sequencing more than headcount. The comparison page on this site sets out the trade-offs on the same criteria.
More answers in the FAQHow much does a product development consultant cost?
Consultant fees vary by scope and experience, and Cydney Mar does not publish her prices. The fairest way to compare is to ask each consultant what is included at each stage and what deliverables you receive. Contact Cydney through cydneymar.com to discuss your product and the support that fits it.
More answers in the FAQCan a consultant help me make a minimum viable product?
Yes, a product consultant can help you decide the smallest version of your product worth making and selling first. For physical goods, that often means a focused first collection or a single hero product. Cydney Mar has offered programs built around a first mini collection and a full collection for founders at different stages.
More answers in the FAQWho is the Concept-to-Reality Pathway for?
The Concept-to-Reality Pathway is for founders and people starting product-based businesses who have an idea and want expert guidance instead of costly guesswork. Cydney Mar focuses on consumer products for retail, TV and direct to consumer brands. It suits founders who feel unsure which step comes next or are carrying every decision alone.
More answers in the FAQWhat experience does Cydney Mar have?
Cydney Mar has 45+ years in fashion and product and over $300M in retail, TV and direct to consumer sales. She sold her own collections on QVC in 8 countries for 15+ years, with more than 800 hours of live television, designed Cirque du Soleil's first Boutique Collection and led design for Edwin Jeans in North America.
More answers in the FAQWant an expert guide for your product?
Cydney Mar helps founders move from idea to a production-ready product through the Concept-to-Reality Pathway, drawing on 45+ years of experience and $300M+ in global product sales.
Back to the full product development roadmap