Modular and prefabricated building manufacturers · WhatsApp marketing
The site engineer sends a hand sketch at nine at night and wants a rate.
WhatsApp for a prefab manufacturer is where the urgent enquiry lands: a sketch of a site office, a photograph of an approach road, a question about a dispatch date. GullySales sets up the business account, a catalogue of building types and the saved replies, and gets those chats into the enquiry record.
Scope, fee, reporting and term are agreed in writing after we have read your brief and spoken to you.

What WhatsApp marketing means
WhatsApp marketing is sending updates, offers and reminders to customers on the app most Indian buyers already check daily. GullySales sets up business WhatsApp, writes the message templates and keeps the list consented and current.
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Sales and marketing for modular and prefabricated building manufacturers, the overview.
Last updated 5 Oct 2026.
For modular and prefabricated building manufacturers
Where it usually goes wrong, and what we would do.
“The photograph of the approach road answers the freight question”
Ask for it in your first reply. Whether a trailer can reach the site changes the quotation more than most specification arguments, and one picture settles it.
“One group per order saves a week of phone calls”
The contractor, the site engineer, your production person and the transporter in one group, with the drawing, the dispatch date and the vehicle number posted there. Everybody stops ringing the salesman for an update.
“A broadcast to contractors works only with a date on it”
A unit being erected this week, a shed completed in a named district, a rental cabin free from next season. Product catalogues sent to a list get muted.
What we do
What we deliver for modular and prefabricated building manufacturers.
Every deliverable, what it covers for you, and the result it is there to produce. Nothing here is an extra.
A WhatsApp Business account with a catalogue of building types
Site offices, bunkhouses, security cabins, toilet blocks and cold rooms, each with a photograph, the standard sizes and what the specification covers.
Result: A buyer sees your range without waiting for a PDF.
Saved replies for the first four questions
Standard sizes and rate band, what the panel and frame are, whether transport and erection are included, and what the dispatch date depends on.
Result: A nine o'clock enquiry gets a real answer.
Site details asked for up front
A short first reply that asks for the location, a photograph of the approach and the date required before any figure goes out.
Result: Quotations are based on the site as it is.
One group per live order
Who is in it, what gets posted, and the rule that drawings and dispatch dates go there rather than to individuals.
Result: Nobody chases the salesman for a vehicle number.
Chats moved into the enquiry record
A short routine for lifting the building type, site, quantity and required date out of a chat and into the record the same day.
Result: The enquiry survives a salesman changing phones.
A rule for what is confirmed in writing
Specification, rate, dispatch date and payment terms confirmed on a formal quotation or purchase order, with the chat kept for progress.
Result: Nobody argues later about a message in a group.
How the result is measured
- Messages delivered
- Reply rate
- Enquiries from WhatsApp
Recorded as a baseline before work starts, so every later report has an honest comparison.
What must be in place first
What a prefab manufacturer sets up before chats about sites and dispatch begin.
- A sales number separate from the factory floor
- Register WhatsApp Business on one number for enquiries, kept apart from the dispatch supervisor's phone. A contractor asking about a portacabin should not reach the person loading a truck.
- Catalogue of building types
- List the site office, labour bunkhouse, security cabin and toilet block types with size and panel specification, and leave the price as 'on request with site details'. The catalogue helps the buyer pick; it is not a rate card.
- Opt-in from the enquiry form
- Add a line on the website form and the quotation: 'Send updates on this order on WhatsApp'. Contractors' numbers collected at an exhibition get a short permission message before they join any list.
- Templates for dispatch and erection notices
- A dispatch date or erection schedule that you start yourself needs an approved template. Write them with order number, site and date. Check WhatsApp's current business policy and pricing before planning how many go out.
- Order groups, with an end date
- Open one group per live order with the buyer's site engineer and your project coordinator, and close it after handover. Do not add other buyers, since each group shows every member's number.
- Opt-out and written confirmation
- Every broadcast to contractors carries a way to stop. Any price, size or date agreed in chat is repeated in the written quotation or order confirmation before work begins.
Who it is for
This is written for these modular and prefabricated building manufacturers.
- Portacabin and site office manufacturers
- Labour accommodation and bunkhouse makers
- PUF panel cold room and ripening chamber builders
- Pre-engineered steel building fabricators
- Container conversion units
- Modular toilet and sanitation block makers
- Security cabin and kiosk makers
- Prefab school, health centre and site canteen builders
- Portacabin rental fleets
- Clean room and modular partition contractors
Not for
It is not the right fit if.
- You want a guaranteed Google ranking or a guaranteed number of leads. Nobody honest can promise either.
- You need enquiries by next week and have nobody to answer them.
- You want posts and reach reported, not enquiries and orders.
How it works
From your first message to the first report.
No open-ended retainer. Every step gives you something in writing.
First
Your brief
You tell us what you need in a few short steps: your business, what you want, where enquiries come from and how they are handled.
After the brief
A conversation and a written scope
We read it, then talk with whoever handles your enquiries. If you want our help, the scope, the fee and the reporting come in writing, and nothing starts before you have read them.
Before work starts
Baseline recorded
Enquiries by source, reply time, conversion and cost per order, written down so every later report has an honest comparison.
After the baseline
The first fix goes live
The fix we agreed to start with is put in place and measured against the baseline, whether that is reply time, a follow-up sequence, the page buyers land on or the handover between marketing and sales.
As agreed
Report against the baseline
What moved, what did not, and what changes next, in plain words. How often you get it is set in writing before work starts.
At renewal
Renew on the numbers
The term ends and you decide whether to continue from the results. The length is agreed in writing before anything starts.
How the whatsapp marketing work runs
- 1
Understand current WhatsApp use
We review how customers currently message you and how consistently, if at all, it is answered.
- 2
Audit common questions
We identify the questions that come up repeatedly, which decide what should be automated first.
- 3
Set up automation and templates
An automated first response and quick reply templates are built for the most common needs.
- 4
Connect to the CRM
Conversations are linked to customer records so context carries over between team members.
- 5
Measure and optimise
We track response time and conversion, refining automated responses based on what customers actually ask.
Why us
Why owners pick GullySales over an agency.
Marketing and sales, as one job
Most agencies stop at the enquiry. We also fix what happens after it: the reply, the follow-up, the quote and the CRM.
The person on the first call does the work
No account managers in between. You are never handed to someone you have not met.
A baseline before anything starts
Your numbers are written down on day one, so every later report compares against something honest.
The fee in writing, split three ways
Our time, your media spend and production on separate lines. You always see what goes to us.
No guarantees we cannot keep
The term is agreed in writing and never a default twelve months. We never promise a ranking or a lead count, because nobody controls those.
One office, and we say so
Nagarbhavi, Bengaluru. We work across India by call and WhatsApp and travel when a session needs to be in person.
#257, 3rd floor, Sri Nanjundeshwara Complex, Nagarbhavi 8th Block, Outer Ring Road. How we work.
Your brief
Tell us what you need, and we will read it before we call.
Eight short steps about your business, what you want and who decides. Most questions are a tap, and you can skip any you would rather answer on the call.
FAQ
Questions owners ask before they call.
Not here? More answers, or ask on WhatsApp.
Should quotations go out on WhatsApp?
Can we use WhatsApp with government and tender buyers?
A contractor sends a photograph of a site and asks for a price in minutes. What do we reply?
Should we keep a broadcast list of contractors for new project types?
Everyone asks for a rate per square foot on the phone. What do we tell them?
Buyers say prefab gets hot and leaks in the monsoon. How do we answer that?
How soon will we see results?
Who will actually do the work?
What do you need from us?
What if we are not happy with the work?
More for modular and prefabricated building manufacturers
Everything else we would do for you.
Closest to this: messaging and automation
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Or start from the overview: sales and marketing for modular and prefabricated building manufacturers.
Your next practical step
Tell us what you are trying to grow, and we will read it before we call.
Eight short steps, mostly taps. Skip anything you would rather answer on the call.