Imisium designs and builds custom software for small and growing businesses. We use AI where it helps, and plain, dependable software everywhere else.
Fixed price
Agreed before we start. Never billed by the hour.
Your accounts
Everything runs in your tools, not ours.
Yours to keep
You own all of it. No lock-in, no mystery fees.
30 days of fixes
Monitoring and fixes included after launch.
Retyping orders. Keeping three spreadsheets in sync. Answering the same five questions. Working around tools that almost fit. None of it is hard. All of it adds up, every week.
Tick what applies, then set the hours
17hours a week
That’s 816 hours a year: 21 working weeks, or 45% of a full-time role.
Your numbers, not ours, counted over 48 working weeks and a 38-hour week. The right software can take most of this off your plate. The free review shows you where to start.
When spreadsheets, group chats and apps that almost fit are holding the business together, we build one tool that does the job properly. Your team gets one place to see the work, update it and find what they need.
AI assistants that answer routine customer questions, draft replies, read documents and move information between your tools. Anything that touches money, customers or big decisions waits for your OK.
Have an idea for an app or a software product? We help you shape it, test it with real people and build a first version you can sell. If you started with an AI app builder, we can make it ready for real customers.
A clear, fast website that makes a growing business look like the obvious choice, and sends every enquiry straight into your new systems. Plus the brand and interface design that holds it all together.
Works with what you already use:Google Workspace, Microsoft 365, Slack, HubSpot, Shopify, Xero, QuickBooks, Notion, Airtable, Stripe, Salesforce, WhatsApp, and more.
No magic and no black box. Just small, reliable steps that used to be somebody’s afternoon. Pick a workflow and press run.
Comes in
Hi there, we are opening a second clinic in March and need a site where patients can book online. Ideally it syncs with our calendar. Budget is around 8k. Could someone call me this week? Thanks, Tolu
What happens
Read the email
New message in hello@
Pull out the details
Need, budget, timeline, ask
Check the fit
Matches what you sell · priority high
Create the deal
HubSpot · Brightwell Dental
Tell the team
Posted to #new-business
Draft a reply
Human rule
Waiting for your OK before it sends
Goes out
CRM
Brightwell Dental
DraftNeeds your OK
Hi Tolu, thanks for getting in touch, and congratulations on the second clinic. Happy to talk this week. Would Thursday at 10:00 or Friday at 14:00 work for a quick call?
An example workflow with sample data. Real systems are built around your tools and your rules.
Comes in
Hello, please find attached invoice INV-2291 for the October order. Total 1,240.00, payment due within 30 days. Your reference: PO-1184. Kind regards, Northline
INV-2291.pdf
What happens
Open the attachment
INV-2291.pdf · 2 pages
Read the invoice
Supplier, 4 line items, totals, due date
Match the order
PO-1184 · quantities and prices agree
Check your rules
Human rule
Under 5,000 · no sign-off needed
Add it to the books
Bill created in Xero
File it
Finance / 2026 / Northline
Goes out
Accounts
Bill · Northline Supplies
Drive
Saved to Finance / 2026 / Northline / INV-2291.pdf
Log
No exceptions. Nobody needed to touch this one. Anything over 5,000 goes to Ada for approval first.
An example workflow with sample data. Real systems are built around your tools and your rules.
Comes in
Hi, I ordered a lamp 9 days ago (order #48213) and haven’t heard anything. Where is it?
What happens
Read the message
Support inbox
Work out the ask
Order status · customer is frustrated
Look up the order
Shopify · #48213 · shipped Monday
Find the tracking
Out for delivery tomorrow
Write the reply
In your tone of voice, with the link
Confidence check
Human rule
High, so it sends. Unsure goes to a person
Goes out
SentReplied in 41 seconds
Hi Sam, sorry for the wait. Your lamp shipped on Monday and it’s out for delivery tomorrow. You can follow it here. If it hasn’t arrived by Friday, just reply and we’ll sort it personally.
Helpdesk
Ticket #48213
Insight
14th ‘where is my order’ email this week. Adding tracking to the shipping confirmation would prevent most of them.
An example workflow with sample data. Real systems are built around your tools and your rules.
We help founders, and businesses with know-how to sell, turn an idea into software people pay for. We start small, test it with real people, and build a first version you own outright.
Already built something with an AI app builder? We can make it ready for real customers.
Tell us about your idea1 to 2 weeks
Shape the idea, plan the first version and test a clickable prototype with real people.
Usually 6 to 10 weeks
Design and build the core: accounts, payments and the features that matter most.
From launch day
Go live, see what people actually do, and improve it with us or on your own. The code is yours.
A simple process for busy people. You’ll always know what’s happening, what it costs, and what it’s for.
01
We talk through how your business works and where it gets stuck. You leave with a short written plan, whether you hire us or not.
02
A clear plan: what we’ll build, what it connects to, what it should change, and a fixed price. It’s a small paid step, and its cost comes off your build.
03
We build in short cycles and show you working software every week. You test it on real work before anything goes live.
04
We hand over everything: the software, plain-English docs and a walkthrough for your team. Then we keep an eye on it, so it keeps working.
Every Blueprint names what the software should change, like hours saved or faster replies. If what we build doesn’t deliver that within 60 days of launch, we keep working on it, free, until it does.
It’s written into every proposal, in plain English.
The best software is the kind your team stops noticing. If something breaks, we’ll usually know before you do.
Anything that touches money, customers or big decisions has a person who can say no. The AI drafts. You decide.
Systems run in your own accounts, with only the access each step needs. We never use your data to train AI models.
No lock-in, no mystery subscriptions. If we ever part ways, everything we built keeps running, and it’s documented.
If an off-the-shelf tool or a better spreadsheet does the job, we’ll say so, and help you set it up.
No jargon on calls, in proposals or on invoices. If we can’t explain it simply, we haven’t understood it yet.
That’s the job, twice over. We breathe new life into the way your business runs. And we give the people running it room to breathe.
Something else on your mind? Ask us directly.
Not at all. That’s who we build for. You describe how the business works, we handle the technology, and we explain everything in plain English. Your team gets a walkthrough and simple guides at handover.
Sometimes off-the-shelf is the right answer, and we’ll tell you when it is. Custom software makes sense when your team keeps working around a tool, copies data between apps, or pays for features nobody uses. Then software built around how you work saves time every single day.
No. We use AI where it clearly helps, like reading documents, drafting replies or answering routine questions. Much of what we build is plain, dependable software with no AI in it at all.
You do. It runs in your accounts, and the code and the data are yours. If we ever part ways, it keeps running, and it’s documented.
Yes. We start with a short Product Blueprint and a clickable prototype, so you can test the idea with real people before paying for a full build.
Probably the ones you already use: Google Workspace, Microsoft 365, Slack, HubSpot, Salesforce, Shopify, Xero, QuickBooks, Notion, Airtable, Stripe, WhatsApp and many more. If a tool can be connected, we can usually connect it.
Everything runs inside your own accounts, with only the access each part needs. We don’t keep copies of your data, and we never use it to train AI models. Where AI is involved, we use providers that contractually don’t train on business data.
Everything we build is monitored and alerts us when something looks off, often before you notice. Launch includes 30 days of fixes. After that, an optional care plan keeps us on call.
Every project has a fixed price, agreed in the Blueprint before the build starts. Most tools and automations take two to six weeks. A first version of a new product usually takes six to ten. The first review is free.
That’s not what we build. We take the repetitive work off your team’s plate so they can spend their time on customers, craft and growth.
Book a free 30-minute review. Tell us how your business works and what keeps getting in the way. You’ll leave with a plan you can use, with or without us.