If your SaaS product is slow, buggy, hard to scale, or simply feels fragile under the hood, you need answers before you spend another pound building on top of it. By Design UK runs fixed-price SaaS platform audits and health checks for UK founders and product teams who want an honest, technical view of what they actually own — and what it will take to fix, scale, or hand over to a new team.
We sit deliberately between a solo freelancer and a traditional agency. You get senior, hands-on technical review without freelancer risk or agency bureaucracy, delivered at a fixed price with a clear scope from day one. Every audit is carried out by the same engineers who build and run production SaaS software, including our own live platform.
Our health checks are built around the questions that matter to a business, not just a codebase. We assess:
You receive a written report with prioritised findings, risk ratings, and a practical remediation plan — not a vague slide deck. If further development work is needed, we can quote it as a fixed-price project under our standard SaaS development service.
Audit scope depends on the size and complexity of your platform, but most engagements are priced as a fixed fee agreed upfront, so there are no surprise invoices. For context, our full SaaS builds typically range from £18,000 to £650,000+ depending on complexity, and audits are scoped as a fraction of that, sized to the platform being reviewed. If your product is Shopify-based rather than a custom SaaS, we also offer targeted technical reviews aligned to our Shopify services, which start from £499 for smaller builds up to £18,999 for complex custom storefronts.
Where an audit uncovers ongoing risk — outdated dependencies, no monitoring, or a codebase nobody currently maintains — we recommend rolling findings into an ongoing support plan, starting from £797/month for SaaS platforms or £299/month for Shopify stores, so issues get fixed continuously rather than discovered again in twelve months.
Founders typically come to us in one of two situations: they inherited a platform from a freelancer who has since gone quiet, with no documentation and questionable code ownership, or they’re paying a large agency retainer with opaque pricing and no clear sense of what’s actually being delivered month to month. Freelancers are often unreliable at scale and rarely leave behind clean, transferable code. Traditional agencies can be slow to respond, expensive to engage, and reluctant to give a straight answer on cost or timeline. Our audit model exists to give you clarity either way — a fixed price, a plain-English report, and full ownership of the findings and any resulting code.
As evidence of our technical depth, we don’t just audit software — we build and operate it. Tackly.co.uk, our own multi-toolkit SaaS platform, is live in production today, handling real users and real infrastructure decisions daily. When we review your platform, we’re applying the same standards we hold ourselves to as operators, not just consultants passing through.
We’re a UK-based team, working fixed-price with full source code ownership handed to you at every stage — no vendor lock-in, no retained IP, no ambiguity about who owns what once the engagement ends.
You’ll walk away with a clear picture of technical risk, a prioritised action list, and options rather than obligations. Some clients take the report to their existing developer. Others ask us to fix the issues directly through a scoped SaaS build, or move onto an ongoing support plan for continuous monitoring and maintenance. There’s no pressure to continue with us — the audit is designed to stand alone as a useful, honest document regardless of what you do next.
Ready to find out what’s really going on under the hood of your platform? Get in touch to discuss scope and receive a fixed-price quote for your SaaS audit.
Most audits take between one and three weeks depending on platform size and complexity, with a written report and findings call at the end.
Yes, we typically need read-only access to your codebase, hosting environment, and relevant analytics or monitoring tools to complete a thorough review.
Yes. Many clients move straight into a fixed-price SaaS development project or an ongoing support plan once the audit findings are agreed.
Absolutely. An independent audit is one of the clearest ways to hand over technical ownership cleanly to a new team, freelancer, or agency.
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