Already paying a staff member £17,000+ a year? We do what they do — for £199 a month. Don't have one? Now you can afford the help you never could. We check your emails and give you updates. We create your invoices and risk assessments as PDFs and send them from your email or WhatsApp. We chase your payments. We follow up every enquiry. Everything a staff member does — without the payroll.
Save thousands — or get help for the first time. Starting from just £199/month.

Your Dedicated Staff Member
On WhatsApp. Just for you.
No computer. No software. No tech skills needed. Just message your staff member on WhatsApp and they do the rest.
You get someone dedicated to you on WhatsApp. Just message them — they handle the rest. No computer needed.
Tell us about the job. We send a professional quote to your customer. You don't have to write anything.
Job done? We create and send the invoice for you. Just tell us how much and who to send it to.
Need a contract signed? We write it up and send it to your customer. You just say what the job is.
Every customer, every job, who owes you money — all kept safe. You never forget a thing.
Every enquiry gets followed up. We chase leads so you don't lose work to the big companies.
Driving or on site? Just send a voice note. We turn it into quotes, invoices, and tasks.
No laptop, no software, no tech skills. Just WhatsApp on your phone. That's all you need.
Three steps. That's it.
Choose your plan at £199/month. No contracts, no setup fees. Get started in minutes.
We assign you a dedicated WhatsApp number. Save it to your phone — that's your virtual staff.
Send a text or voice note with what you need. We send quotes, invoices, and contracts. We remember your customers and follow up enquiries. You get back to building.
How builders use Builder Diddies from morning to night.
7:30 AM
Driving to site
You: Send a voice note: "Quote Mrs Jones for the extension, £45k."
Builder Diddies: We draft and send the quote before you arrive.
11:00 AM
Mid-way through a job
You: Text us: "Check my emails, anything urgent?"
Builder Diddies: We summarise your inbox and reply to the important ones.
1:00 PM
Missed a call on site
You: Lead calls while your hands are full.
Builder Diddies: We capture the lead, qualify them, and book a callback.
3:00 PM
Need materials priced
You: Send a photo of your materials list.
Builder Diddies: We compare suppliers and send you the best price.
4:30 PM
Planning question
You: Ask: "Do I need building regs for this loft conversion?"
Builder Diddies: We advise on compliance and arrange drawings if needed.
6:00 PM
Heading home
You: Your day's work is done — your virtual staff kept everything running.
Builder Diddies: Leads followed up, quotes sent, emails handled. You relax.

A normal staff member handles one person's admin. Your Builder Diddies staff member handles the workload of an entire office — quotes, invoices, contracts, emails, chasing payments, following up leads. All at once. All on WhatsApp.
1 = A Whole Team
One staff member, an entire office's workload
Whether you speak English, Polish, Romanian, Farsi, Dari, Chinese or anything else — just send a message or voice note in your own language. We translate, understand, and reply. No language barrier, no lost work. Built for every builder in the UK.
Starting from £199/month. Everything included. Fair use policy applies.
Someone on WhatsApp, just for you. No computer needed.
Starting price · Fair use policy
Need a website, planning drawings, or someone to answer your calls? See our higher-tier add-ons below.
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Your £199 plan gives you a dedicated staff member on WhatsApp. These services are available separately on a higher tier — just ask on WhatsApp for a price.
We build and manage a professional website for your building business. Just tell us what you want.
Send us your project details. We handle planning applications and produce professional drawings.
Compliance questions answered. We help you navigate UK building regulations with ease.
Someone to answer your calls professionally, take messages, and book jobs while you're on the tools.
All calls answered in your company name. We also follow up leads and chase invoices by phone.
Bookkeeping, invoicing, and expense tracking. Send receipts via WhatsApp — we do the rest.
These are not included in the £199 plan. Ask us on WhatsApp for a tailored price.
Chat with our AI on WhatsApp — it answers instantly, 24/7. No waiting, no forms.
Chat with our AI on WhatsApp
Already paying a staff member £17,000+ a year? We do what they do — for £199 a month. Don't have one? Now you can afford the help you never could. We check your emails, create your invoices and risk assessments as PDFs, send them from your email or WhatsApp, and chase your payments. Stop working for someone else. Branch out on your own. Fair use policy applies.
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