Accounts payable automation

Accounts payable automation, from the first request to the supplier paid.

Unibuild automates accounts payable, from the purchase request to the remittance advice: approvals, orders, deliveries, supplier invoices read and matched, and payment runs. Every step sits on the job it belongs to, with unlimited users and no monthly quota on orders or invoices.

A trade counter worker in a hard hat and apron holding a clipboard and a parcel beside a laptop till showing a total
One invoice

One supplier invoice, from request to remittance.

An illustrative example at a mechanical contractor: the firm, supplier, values and people are examples. The steps are the ones Unibuild runs.

One supplier invoice through Unibuild (illustrative)
StageWhoUnibuild
RequestSite manager, on the phoneBudget shown before it is sent
ApproveContracts manager, from the emailApproved by name and time
OrderNobodyEmailed to the supplier at the agreed price
ReceiveSite manager, on the phonePart delivery recorded
InvoiceNobodyRead, matched, short delivery flagged
PayFinance directorPaid in Friday’s approved run
RemitNobodyRemittance advice emailed
Requested
The site manager picked copper fittings from the supplier’s approved price list and saw the job’s materials budget before sending the request.
Approved
The request was above the first value band, so it went to the contracts manager, who approved it from the email without signing in.
Received
Two lines arrived short. The site manager recorded the delivery on the phone at the gate.
Matched
The invoice reached the firm’s invoice address, was read line by line and matched to the order and the delivery. The two short lines were held; the rest went for approval.
Paid
The approved amount joined Friday’s payment run, the finance director approved the run, and the supplier received a remittance advice listing what was paid.
Posted
The invoice, its coding and its approvals went to the accounts package, and the cost sat on the job from the moment the order was approved.
The rule One record, request to remittance Nothing retyped, nothing paid unchecked
Problems we solve

Nine accounts payable problems. All nine solved.

From the invoice paid unchecked to the supplier ringing to ask whether they have been paid.

9/9Solved in one module
Book a demo →
Solved

Supplier invoices paid on trust

What goes wrong

An invoice for forty lengths is paid in full. Thirty-two arrived, and the price is not the one agreed on the order.

Without the order and the delivery beside it, the invoice is the only document anybody looks at.

How Unibuild solves it

In Unibuild, each supplier invoice is matched line by line to the purchase order and the goods received note: a three-way match.

A difference in price or quantity is flagged to a named person before the invoice can be approved.

  • Order, delivery, invoice
  • Matched line by line
  • Differences flagged

See your own purchase-to-pay process set up in a 30-minute demo.

Solved

One invoice, sent twice and paid twice

What goes wrong

A supplier emails the invoice, then posts a copy, then sends a statement with it on. Each copy looks new to whoever opens it.

The second payment is found months later, if it is found at all.

How Unibuild solves it

Unibuild checks every incoming invoice against the ones already held for that supplier.

A duplicate is held and flagged, so it never reaches an approver or a payment run.

  • Checked on arrival
  • Held and flagged
  • Never paid twice

See your own purchase-to-pay process set up in a 30-minute demo.

Solved

A change of bank details that came from a stranger

What goes wrong

An email that looks like a regular supplier says their bank has changed. The next payment goes to a fraudster.

It works because the change is made by hand, on the strength of an email.

How Unibuild solves it

Suppliers keep their own bank details on the supplier portal, and every change is validated and approved before it is used.

An invoice carrying bank details that differ from the record is flagged before it is paid.

  • Details on the record
  • Changes approved
  • Mismatches flagged

See your own purchase-to-pay process set up in a 30-minute demo.

Solved

An accounts office that spends its week typing

What goes wrong

Supplier, date, number, net, VAT and every line, typed from a PDF into the system, then checked, then filed.

It is slow, and every keying error becomes a query with the supplier.

How Unibuild solves it

Suppliers email invoices to your firm’s own invoice address. Unibuild’s AI reads each one, from the supplier and totals down to the line items.

The invoice arrives already matched and coded, ready for a person to approve.

  • Your own invoice address
  • Read to the line items
  • Nothing retyped

See your own purchase-to-pay process set up in a 30-minute demo.

Solved

Approvals that wait for somebody to get back to the office

What goes wrong

The contracts manager is on site all week. The invoice waits, the supplier chases, and finance cannot close the month.

Nobody can say who has it or how long it has been there.

How Unibuild solves it

Each invoice and order follows an approval route set by value, job, department or supplier. The approver acts from the phone, the email or the office portal.

Reminders go out automatically, and a stalled approval escalates or passes to a delegate.

  • Routed by your rules
  • Approved from the phone
  • Reminders and escalation

See your own purchase-to-pay process set up in a 30-minute demo.

Solved

Budgets that are only checked after the money has gone

What goes wrong

Spend is approved one order at a time, and nobody adds them up until the management accounts.

By then the budget is gone and nothing can be done about it.

How Unibuild solves it

Budgets are set by job, department, cost centre or nominal code. The person raising an order sees what is left before they submit it.

An order that would take a budget over is flagged to the approver, and committed spend shows the moment it is approved.

  • Checked at the order
  • Committed spend live
  • Overspend flagged

See your own purchase-to-pay process set up in a 30-minute demo.

Solved

A month end built on guesses about what has not been invoiced

What goes wrong

A regular supplier has not invoiced yet. The goods are on site, the cost is real, and the management accounts leave it out.

The job looks better than it is for a month.

How Unibuild solves it

Everything received against an order but not yet invoiced is listed by supplier and job, ready to accrue.

Ask Unibuild which regular suppliers have not invoiced this month, and it tells you, then chases them.

  • Received, not invoiced
  • Accruals by job
  • Missing invoices chased

See your own purchase-to-pay process set up in a 30-minute demo.

Solved

A payment run assembled from a spreadsheet and memory

What goes wrong

Somebody lists what is due, checks what has been approved, totals it and sends it to a director to sign off by email.

An invoice approved on Thursday afternoon misses the run and the supplier waits another week.

How Unibuild solves it

Approved invoices are grouped into a payment run by due date. A named person approves the run, and approved invoices are locked against editing.

Suppliers at home and abroad are paid in the run, each in its own currency.

  • Grouped by due date
  • Run approved by name
  • Locked once approved

See your own purchase-to-pay process set up in a 30-minute demo.

Solved

An accounts phone that rings with the same question

What goes wrong

A supplier sees a single payment on the bank statement and cannot tell which invoices it covers.

They ring, somebody looks it up, and the afternoon is gone.

How Unibuild solves it

When the run is paid, Unibuild emails each supplier a remittance advice listing every invoice and credit note the payment covers.

Suppliers also see the status of every invoice on the supplier portal.

  • Remittance emailed
  • Every invoice listed
  • Status on the portal

See your own purchase-to-pay process set up in a 30-minute demo.

What it does

Accounts payable software that covers every step.

Purchase requests
and orders

Requests are raised in the office or on the phone, from approved suppliers at agreed prices, and become numbered orders once approved.

  • Approved catalogues and price lists
  • Budget shown at the request
  • Orders emailed to the supplier
  • Recurring and one-off orders

Approval
workflows

Orders, invoices, expenses and payment runs follow approval routes built around your rules, simple or detailed.

  • By value, job, department or supplier
  • Any one of a group, or all of them
  • Approve from email, phone or portal
  • Reminders, escalation, delegates

Goods received
notes

Deliveries are recorded against the order on the phone at the gate, with quantity and condition, so short and damaged deliveries are on the record.

  • Recorded on site
  • Part deliveries
  • Invoice held until received
  • Received, not invoiced, listed
The middle of the three-way matchLive

AI invoice
processing

Supplier invoices arrive at your firm’s own email address and are read automatically, from the supplier and totals down to every line.

  • Your own invoice address
  • Read to the line items
  • Coded and matched on arrival
  • Clean invoices straight through

Three-way
matching

Each invoice is matched to its purchase order and its goods received note, line by line, before anybody approves it.

  • Price against the order
  • Quantity against the delivery
  • Differences flagged by name
  • Two-way where there is no delivery
Paid for what arrivedLive

Fraud and
duplicate checks

Every invoice is checked against the supplier record and the invoices already held, before it can be approved or paid.

  • Duplicate invoices stopped
  • Bank detail changes flagged
  • Approved invoices locked
  • Every action on record
Money stays where it belongsLive

Supplier
payment runs

Approved invoices are grouped into payment runs by due date, approved by a named person, and paid to suppliers at home and abroad.

  • Grouped by due date
  • Run approved by name
  • Supplier currencies
  • Early payment discounts seen
Friday, without the spreadsheetLive

Remittance
advice

When a run is paid, each supplier receives a remittance advice by email listing every invoice and credit note the payment covers.

  • Emailed automatically
  • Every invoice listed
  • Edited where you want to
  • Kept on the supplier record
Fewer calls asking about paymentLive

Supplier
portal

Suppliers onboard themselves, keep their own details up to date, upload price lists and invoices, and see where each invoice stands.

  • Self-service onboarding
  • Bank details validated
  • Price lists and catalogues
  • Invoice status and remittances

Budgets and
committed spend

Budgets by job, department, cost centre or nominal code, checked when an order is raised, with committed spend live on every job.

  • Project and department budgets
  • Flexible budget periods
  • Ring-fenced project spend
  • Overspend flagged to approvers

Expenses
and mileage

Staff photograph receipts in the app and the AI reads them. Claims are checked against your expense policy and approved by your rules.

  • Site purchases asked for first
  • Receipts read automatically
  • Mileage and CO2
  • Policy checks and limits

Ask
Unibuild

Ask a question in plain English and the AI answers from your live records, showing each person only what they are allowed to see.

  • What is waiting, and with whom
  • Invoices not yet received
  • Budget left before buying
  • Reminders sent for you
Answers without running a reportLive
The process

How purchase-to-pay works, stage by stage.

Eight stages from the request to the remittance. Free to use in your own finance procedures.

Flow diagram of purchase-to-pay in eight stages: ask to buy, approve the spend, send the order, record the delivery, read the invoice, match it three ways, approve the payment run and tell the supplier with a remittance advice
How purchase-to-pay works: eight stages of accounts payable from the request to the remittance advice.Free to use, copy, change and share, with no conditions. Download the PNG
Metered against unlimited

Unibuild compared with standalone accounts payable software.

Standalone accounts payable software is often sold on a metered plan: users, orders and invoices a month, and gigabytes of storage, with a bigger plan when you outgrow it.

Accounts payable automation: a metered standalone plan compared with Unibuild
The questionA metered accounts payable planUnibuild
Who can raise and approveA set number of users, extra users chargedUnlimited users, everyone included
Purchase orders a monthA monthly quota, top-ups when exceededNo quota
Supplier invoices a monthA monthly quota of invoices readNo quota
Document storageA few gigabytes, more bought in blocksUnlimited, synced to your own cloud drive
Companies, divisions, suppliersCapped by planAs many as you run
Approval routesConfigured from the vendor’s optionsBuilt around your process, inside the fee
The job behind the invoiceFinance onlySame record as timesheets, job costs and subcontractors
The app your site team usesThe vendor’s appYour own app, under your company’s name
The price as you growMoves with users and volumeOne figure, fixed for three years
Control and audit

Every request, approval and payment
on one audit trail.

These are the controls finance directors and auditors ask about, and they are on from the first day.

Audit trail
Every request, approval, rejection, query, edit and payment is recorded with a name and a time, and records are kept for seven years.
Separation
Nobody approves an order they raised, and an approved invoice is locked against editing before it is paid.
Permissions
Who sees purchase prices, budgets and supplier bank details is set per person, with the role as a starting point. Access and permissions.
Sign-in
Single sign-on with Microsoft 365 or Google Workspace, and two-factor authentication enforced for everyone or for named users. Accounts lock after repeated failed attempts, and strong passwords are enforced.
Hosting
Your data is held in London, does not leave the UK, and is encrypted when stored and when sent. Unibuild holds Cyber Essentials Plus.
Your data
Export everything as CSV, XML, JSON or PDF at any time, including every invoice document.
A monitor on a site office desk showing financial charts and reports
Built around your firm

Your approval rules, your suppliers,
your accounts package.

Accounts payable is set up the way your firm already buys and pays. Any change you ask for is built for you, inside the monthly fee. That is how bespoke software works here.

Your structure
Several companies, business units and divisions on one system, each with its own base currency, with orders and invoices in any currency. More than one company.
Your approval rules
As many steps and conditions as your controls need, from one sign-off for small spends to a board-level route for capital purchases.
Your suppliers
Onboarded through your supplier portal, with insurance and compliance documents on the supplier record.
Your site team
Requests, deliveries and approvals happen in your own branded staff app, published on the App Store and Google Play under your company’s name and icon.
Your accounts
Your accounts package stays. Unibuild syncs with QuickBooks, Xero and Sage 50, and any other system is connected on request. Integrations.
Your jobs
Every order and invoice lands on its job, beside labour from timesheets and subcontract costs, so job profitability is live.
Questions

Asked by finance directors
and accounts teams.

What is accounts payable automation?
Software that takes the manual steps out of paying suppliers. It raises and approves orders, captures and checks invoices, routes approvals, builds payment runs and tells suppliers what was paid. In Unibuild every one of those steps sits on the job the money belongs to.
What is purchase-to-pay?
Purchase-to-pay, or P2P, is the whole process from somebody asking to buy something to the supplier being paid: request, approval, purchase order, delivery, invoice, matching, approval, payment and remittance. Unibuild runs all of it on one record.
Does Unibuild read supplier invoices automatically?
Yes. Suppliers email invoices to your firm’s own invoice address and Unibuild’s AI reads each one, including the line items, then matches it to the order and the delivery. Invoice processing.
Does it do three-way matching?
Yes. Each invoice is matched line by line to its purchase order and its goods received note. A price or quantity that does not agree is flagged to a named person, and an invoice can be held until the goods are received.
How are invoices and orders approved?
Through approval routes you set: by value, job, department, supplier, cost code or company, with as many steps as you need. Approvers act from the email, the phone or the office portal, and reminders, escalation and delegates keep things moving. Approval workflows.
Can Unibuild run supplier payment runs?
Yes. A named person approves each run, and every supplier in it is emailed a remittance advice. Finance is alerted as invoices are approved and become ready to pay.
How does it stop duplicate payments and bank detail fraud?
Duplicates are held on arrival, before an approver sees them. Bank details change only through the supplier portal, with approval, and an invoice carrying different details is flagged.
Can suppliers manage their own details?
Yes. On the supplier portal suppliers onboard themselves, keep their contact and bank details up to date, upload price lists and invoices, and see the status of every invoice and remittance.
What else can Ask Unibuild do?
Beyond approvals and missing invoices, it compares suppliers and prices, searches the catalogue by category and drafts a purchase order for approval. It also reports month-end progress, adds ready invoices to the next payment run, produces reports to download and explains how to do something in Unibuild.
Does it handle month-end accruals?
Yes. Everything received against an order but not yet invoiced is listed by supplier, job and nominal code, ready to accrue. Committed spend, invoiced spend and budget sit side by side for every job and department.
Can we approve on the phone?
Yes. Approvals arrive as a push notification in your own branded staff app on iOS and Android, on a phone or a tablet, where approvers view, approve, reject or comment. They can also approve straight from the email without signing in.
Can we take early payment discounts?
Yes. Invoices that offer an early payment discount are shown apart, so they can be paid inside the discount window. Other invoices are paid on their due date, and the discounts taken are reported.
What reports does finance get?
Spend by supplier, job, department, division and category, month on month. Committed, invoiced and budget side by side, approvals waiting and how long they take, and accruals at month end. Reporting data can also be connected to Power BI.
Can we keep a full copy of our data?
Yes. Every order and invoice line exports as CSV, XML or JSON at any time, ready to load into your own database, with every invoice document. If you leave, a clean dataset is handed back within five working days.
Does it work with Xero, QuickBooks and Sage?
Yes. Your accounts package stays. QuickBooks, Xero and Sage 50 sync as standard. Sage 200, Sage Intacct, Microsoft Dynamics 365 Business Central, NetSuite and any other system are connected on request. Approved supplier paperwork can also go to Dext.
Does it handle several companies and currencies?
Yes. Several companies, business units and divisions run on one system, each with its own base currency. Orders and invoices can be in any currency, and international suppliers are paid in theirs.
Is there a limit on users, orders, invoices or storage?
No. Users are unlimited, there is no monthly quota on orders or invoices, and file storage is unlimited. One monthly figure covers everything, fixed for three years. The cost of AI is bespoke: everyday AI is included, and heavier AI work is paid only as used, at the AI provider’s own cost.
What is the best accounts payable automation software for UK trade businesses?
For a trade or specialist contractor, the one that connects the invoice to the job. Unibuild runs requests, approvals, orders, deliveries, AI invoice reading, three-way matching, payment runs and remittances on the same record as timesheets and job costs. Unibuild is bespoke business software for UK trades and specialist contractors, in daily production since 2016.
How long does it take to go live?
Most firms go live in about two weeks, in phases, with a sandbox first. Your programme is agreed after scoping. Configuration of your approval routes, supplier import, training and data migration are included. Implementation.
Further reading

The leg of the three-way match most firms do not have: what arrived, counted at the door.

Ask for a quote

Tell us a little about the firm.
We do the rest.

Two minutes. A written figure by email, usually the same working day. Unlimited users, so everyone who raises, receives or approves is included.

Headcount
Areas of interest
Get a quote
One figure per firm · For UK firms

Right, let’s talk numbers.

Five things about your business. We work your fee out properly and put it in writing the same working day.

What we build for you

  • Your own portalIn the browser, built around your firm
  • Your own appiOS and Android, under your name
  • Everyday AI includedHeavier AI at cost, nothing added
  • One platformEverything in one place, set up by us

Would you rather see it running first? Book a 30-minute demo

Quotation request