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Extra work that never gets paid.
The client asks for “one small addition”. You do it. When the invoice comes, they say it was part of the original job. Nothing was written down, so you absorb it.
WikrenaOS helps service businesses get paid for all their work: scope changes approved in writing, professional invoices by email or WhatsApp, and late payments followed up automatically.
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Good morning, Chris 👋
Friday, 16 October 2026
Billed (October)
₦0.0M
Collected
₦0.0M
Outstanding
₦0K
Overdue
₦0K
Revenue Overview
+12% this month
Clients ask for extra work and don’t pay for it. Invoices sit unpaid for weeks. And knowing who owes you what means scrolling through chats and bank alerts.
The client asks for “one small addition”. You do it. When the invoice comes, they say it was part of the original job. Nothing was written down, so you absorb it.
The invoice was delivered. Seen. Then silence. You follow up, call, follow up again. Meanwhile your rent, staff and data still need paying.
The agreement is in one WhatsApp thread. The invoice is in Word. Payments are in your bank app. Who owes you what is in your head. When you need the full picture, it takes an evening to build.
WikrenaOS handles the operational layer so you can focus on the work that actually grows your business.
Create a client profile, send a professional onboarding intake, and start the engagement with everything documented from day one.
Your client confirms the work and fee before you start. Extra requests get their own price and approval, then go straight onto the invoice.
When they ask for more, log it with the extra fee and time. They approve or decline from a link on their phone. Approved changes go straight onto the invoice.
One tap sends a branded invoice with a Paystack link. They can pay by card or transfer. You see when they've opened it.
Polite reminders go out before and after the due date. They stop the moment the client pays.
From the first agreement to the final payment, WikrenaOS makes sure extra work gets paid, invoices get settled, and you always know where your money is.
Log the change in under a minute: what they asked for, the extra fee, and how it moves the deadline. Your client gets a link on WhatsApp or email. They read it, tap Approve or Decline, and type their name. You get a dated record of exactly what was agreed, and the approved amount is ready to invoice.
Additional reporting dashboard beyond the original scope.
Extra fee
₦150,000
Deadline moves by
2 weeks
By approving, you agree to the extra fee and the new deadline above.
Create invoices, log work and record changes without internet. Everything syncs when you're back online.
Send invoices, approvals and updates through the channels your clients already use. Payment links included. You know the moment they open it.
Branded invoices with payment links on every one. Real-time status from Sent to Paid. Automatic reminders mean you never chase manually again.
Know exactly what you billed, collected, and actually made: per client, per engagement, every month. Stop running your business on gut feeling.
Assign work, track activity, control access. Everyone sees exactly what they need and nothing they should not.
Scope protection means you get paid for every hour of work, including the extras clients inevitably request.
Instant Paystack links in WhatsApp eliminate long payment delays. Clients pay while the invoice is still fresh.
Stop copying data between six tools. One platform, one source of truth, from lead capture to paid invoice.
Power cuts don't stop your business. WikrenaOS works without internet and syncs automatically when you reconnect.
Before
With WikrenaOS
Straight answers, no sales pitch. If yours is not here, we are one message away.
Talk to us₦0
To start
5 min
To set up
10
African currencies
Offline
By design
Start on the free plan today, or apply to be one of our first 25 businesses and we’ll set it up with you.