The receipts, not the pitch deck

I don't theorise about this. Here are two real things.

A bespoke B2B platform built for a client, since sold, and a live local IT business run in public. Including the parts that didn't work.

My product - designed, built, sold, NDA

A B2B wholesale platform I designed and built - then sold

I was brought in as a consultant on a brief outline - connect their wholesale suppliers to their retailers, handle orders, stock, couriers, payments. That's as far as the spec went, and there was no guarantee of a sale at the end of it. The scope, the architecture, the actual feature set - all of that came from my own read of how the wholesale and CRM landscape actually works, not a requirements document. I designed it, planned it, and built it on my own judgement. They only bought once they saw the finished product and were impressed by it.

Read the full story

Why I can't name it: the buyer doesn't want competitors seeing how it works, and that's a reasonable ask for something this specific to their operation. So no brand name, no link, no screenshots. What I can do is describe what's actually running under the hood - which is a better test of whether this is real than a logo would be anyway.

Why I built it this way: this wasn't guesswork. I know the wholesale and CRM landscape well enough to know where off-the-shelf systems break down for a real supplier-retailer relationship, and where most bespoke builds waste time over-engineering the wrong parts - and a sales background meant I knew what actually makes a sales agent's day easier, because I've done that job, not read about it. That combination is what turned a one-line brief into a working, sellable product in weeks rather than years, with no requirements ping-pong and no project manager translating between client and developer.

The real problem: suppliers and retailers in this world are notoriously tech-averse - ask them to upload a spreadsheet and they'll go straight back to phone, pen, and paper. So the design had to make things easier, not add features. There was a deadline behind it too: they needed this live to launch their company, not on a normal agency timeline. A year-plus build was never on the table.

Accounts created automatically. Auto-login links sent out - no password to forget. The retailer view kept dead simple, the supplier view even simpler. All the complexity lives in the admin view, out of the way of the people who just need to place an order.

What's actually running under that simple surface: a retailer places one order, and it's automatically split into separate purchase orders per supplier behind the scenes - the retailer never sees who the suppliers are, and never needs to. Sale-or-Return terms and credit limits are enforced per retailer, with a 1-in-1-out control on stock so credit doesn't quietly run away. Every order's status - what the retailer sees and what the admin side sees - comes from the same source, so the two views can't drift apart.

Sales agents are paid through a proper commission engine, not a spreadsheet: hourly pay and commission run as independent settings per agent, payouts trigger at different stages of a deal, rates can taper by tier, commission windows are configurable, and a monthly pay run moves everything through Pending → Approved → Paid with clawback built in if a deal falls through. That's a system most companies buy separately from a specialist payroll vendor.

Product images come in through their own pipeline - an AI service strips backgrounds and standardises every image automatically, running as a monitored background job that checks in every few hours and texts me if it goes down. Courier tracking plugs straight in. Gap analysis catches missing orders before they turn into a phone call. Full ledger and communications trail - SMS, voice, and email through one inbox - so nothing falls through the cracks.

£80k-£125k, 1-2 yrs
realistic quote and timeline from a dev agency or team for a system with this much going on - order splitting, a commission engine, an ML image pipeline, full compliance auditing
~2 months
actual time, solo, start to finished sellable product - scoping, design, and build, with AI assistance
Audited
fully audited for compliance along the way, not bolted on after

That gap - a year or more and six figures, versus roughly two months solo - isn't a boast, it's the actual difference AI-assisted development plus already knowing the landscape makes. It's also the difference between a company that launches on time and one that doesn't. It's the thing I'm most proud of building.

No guaranteed sale going in - I designed it, built it, and they bought it once they saw what it could do. Buyer's onboarding now.

Read the process breakdown

Kept deliberately outcome-level - no product name, no code, no architecture - by agreement with the buyer. What's shareable is how a one-line brief turned into a finished, sellable product.

Phase 1 - scoping it from experience, not from a spec

01 client

Brought me in as a consultant, brief outline only

Connect their suppliers to their retailers - orders, stock, payments. No guarantee of a sale at the end of it.

02 me

Scoped it against the landscape

Knew from experience where off-the-shelf CRMs and wholesale tools fall down, and mapped out what a bespoke system actually needed to do.

03 me

Designed the whole thing

Architecture, feature set, and the case for going bespoke over off-the-shelf - reasoned through myself before a line of code was written.

Phase 2 - building it and presenting it

04 me

Set my own non-negotiables

GDPR-compliant handling of customer data, a full ledger, communications built in rather than scattered across email, room to handle real volume without falling over, and properly secure - not just a password on the login page.

05 me

Built it, start to finish

Turned the scoping into a working product - iterative, AI-assisted, no requirements document to argue over because there wasn't one to argue over.

06 both

Presented it - they bought it because it impressed them

No sale was ever guaranteed. They bought once they saw the finished product and what it could do, not before.

A few of the things that came out of it, kept deliberately vague: the entire order lifecycle - supplier confirmation through to retailer invoicing and any refund - runs as a single automatic cascade, so nothing needs manually pushing from one stage to the next. Every order status shown to a retailer and to the admin side comes from exactly the same source, so the two views can never quietly disagree about where an order actually stands. And commission owed to sales agents is tracked as a running ledger, updated automatically, rather than reconciled by hand at the end of the month.

Real documentation throughout, complexity pushed into the admin layer so everyone else gets simplicity, and a design I stood behind well enough to sell as a finished product rather than bill as a job.

Live, ongoing

Markus IT Support

A real local IT repair and support business - the one I run alongside Home Counties AI, in public, including the parts that didn't work. Same test-and-iterate approach as the platform above, just aimed at a much smaller, much more visible business.

Read the full story

Started as buying old iMacs and MacBooks, refurbishing them, and reselling - moderate success, not a fortune. Pivoted to a repair-and-OS-update service when that made more sense than chasing resale margins.

What I've tested - results differ: leaflets, Google ads, and Facebook ads were all tried and all failed to convert. Magazine ads are more mixed - I still advertise there, just for a smaller return than a few years ago. They're still one of the few ways to land a message directly in local homes, and worth it for brand awareness, but the cost doesn't always match the return the way it used to. SEO is largely dead now too, since local traffic has shifted to Facebook and YouTube reels. Not every channel is a flat failure - some just don't pay what they used to.

What's working, still early: organic short-form video. Underway, unproven at scale, but the first channel that's shown real signs of life after everything else failed.

Why this matters to you: this is deliberately my third priority, not my first - Home Counties AI is where my time goes. Which is itself the honest part: it runs on real, tested channels rather than constant attention, and what's above is the actual state of it, not a highlight reel kept polished for this page. If you run a local business, this is probably closer to your own experience than anything a polished agency will show you.

"Marcus [sic] is very knowledgable in this area and he has helped me no end... I don't know how I would have resolved all my tech issues with[out him]." - Paul Maxwell
"My iMac has been completely transformed by Marcus [sic] - has literally saved me from having to buy a whole new device. I would most definitely recommend." - Aidan Phillips

5.0 rating on Google, real client reviews - not curated testimonials.

What this proves

Not that I'm the finished expert with all the answers. That I've actually built real things, with real constraints, for real people who don't want to think about technology - which is exactly the audience Home Counties AI is built for.

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