Ideas, guides and industry thinking

Zigaflow10 September 20267 min read

What monday.com, HubSpot, Zoho, Odoo and Salesforce actually cost a five-person UK business

Five vendors, five pricing pages, one question: what does a five-person UK business actually pay each month, in pounds, once quoting is included? We read every published price on 10 September 2026 and show the working, including our own.

News

What's new in Zigaflow: March to September 2026

Six months of Zigaflow releases in one place, grouped by the job they change rather than by the week they shipped. Twenty-seven features across quoting, purchasing, automations, inventory, leads and control, each linked to its release note.

Zigaflow10 September 20268 min read

Zigaflow5 October 20266 min read

Multi-site AV rollouts: why the second site is where the margin disappears

AV integrators price multi-site rollouts as one program but deliver them as dozens of separate problems. Repeated site surveys, kit variation at each location, and untracked on-site changes drain the margin that looked locked in at contract stage.

Zigaflow3 October 20266 min read

Why your construction margin only shows up after the job is finished

A CVR tells contractors whether a project is making money. Run as a monthly spreadsheet exercise, it tells you that three weeks too late. Here is why committed cost, variations, and applications need to update in real time - not at month-end.

Zigaflow2 October 20266 min read

Winning a place on a public sector office chairs procurement framework

UK public buyers use a handful of major framework agreements to buy office seating. Getting on one requires evidence of pricing discipline, lead time accuracy, and reporting systems - not just a product catalogue.

Zigaflow1 October 20266 min read

Groundwork costs keep eating the margin: price the dig before you quote the job

The gap between what groundwork companies charge and what most contractors allow for in their tender is not accidental. It is the result of pricing from round-number allowances instead of measured rates and actual subcontractor quotes.

Zigaflow30 September 20266 min read

CIS deductions are eating your cash flow, and your quotes are the reason

The Construction Industry Scheme deducts 20% from the labour element of every UK subcontractor payment - not from materials. Most subcontractors treat this as a payroll problem. The fix starts at the quote stage, where separating labour from materials determines how much cash is withheld and how long the wait for it is.

Zigaflow29 September 20267 min read

Reverse charge VAT on construction invoices: worked examples and the mistakes that cost you

The domestic reverse charge shifts VAT to the contractor, not the subcontractor. Here is what a compliant reverse-charge construction invoice looks like with real numbers, how CIS deductions interact with it, and the three errors that trigger HMRC assessment.

Zigaflow28 September 20265 min read

How promotional products distributors keep orders straight from quote to delivery

Promotional merchandise orders break at two points: artwork approval and the supplier purchase order handoff. Distributors who keep both stages inside a single order record instead of across email, spreadsheets, and supplier portals ship more jobs per head without adding headcount.

Zigaflow27 September 20266 min read

Contractor prequalification: what buyers really check before they let you quote

Contractor prequalification is how buyers filter the supply chain before issuing a tender. This article explains what PQQs cover, which accreditation schemes matter in 2026, and why treating compliance documents as a maintained asset is the fastest route to consistent tender access.

Zigaflow24 September 20265 min read

Why your purchase orders live in three places and what that costs you

Most small distributors have purchase orders in three places: an email thread, a spreadsheet, and an accounts package. None of those systems talks to the others. This piece explains what that fragmentation costs in committed supplier cost, missed delivery dates, and billing errors.

Zigaflow23 September 20266 min read

AV integrators are running four systems that don't talk: the case for one platform

AV integrators typically run separate tools for quoting, procurement, job management, and service. Each handoff between those tools costs margin. The decisive software choice is whether the full commercial record of a project lives in one connected platform.

Zigaflow22 September 20266 min read

Why supplier order management is the part of your business that leaks money

A business with tight sales processes can still lose margin on the buying side. Unconfirmed lead times, unchecked price increases, and deliveries that nobody reconciles to the purchase order are where the money goes after the job is won.

Zigaflow21 September 20267 min read

Purchase ordering systems: why spreadsheets stop working once you buy to order

A purchase ordering system manages the full lifecycle of a supplier commitment, from first request through invoice approval. For distributors and installers who buy stock against confirmed customer orders, the real failure of a spreadsheet is not organizational: it is financial. Every PO disconnected from the original quote is a margin leak waiting to surface.

Zigaflow20 September 20265 min read

Three-way matching for a business with no purchase ledger clerk

Three-way matching compares a purchase order, a goods received note, and a supplier invoice before any payment is released. For physical goods it catches short deliveries and billing errors before money leaves your account. For services, the third document is a form that nobody can complete and catches nothing real.

Zigaflow19 September 20265 min read

Call-off order vs blanket purchase order vs framework agreement

A framework agreement, a blanket purchase order, and a call-off order are three layers of the same procurement idea. Each one sits closer to an actual delivery than the last - and only one of them obliges your supplier to hold stock for you.

Zigaflow18 September 20265 min read

Works order, sales order, purchase order: which document does what

A works order instructs your own team to do a job. A sales order records what the customer bought. A purchase order commits you to a supplier. All three can appear on the same job - and businesses that run them off one document lose the ability to say what a job actually cost.

Zigaflow17 September 20266 min read

Statement of account vs invoice, and when to send each

Sending a statement of account is not the same as chasing an invoice. Statements are informational and trigger no payment obligation. Only an invoice creates a legal liability, starts the late-payment clock, and gives you the right to chase, escalate, or apply statutory interest.

Zigaflow16 September 20265 min read

Purchase order vs invoice: what each one commits you to

A purchase order is the buyer's commitment and the point at which price, quantity, and terms are legally fixed. An invoice is the supplier's demand for payment after delivery. Understanding what each document does - and when - is how businesses stop arguing about price at the moment it is already too late to change.

Zigaflow15 September 20265 min read

Margin vs markup: the same job priced both ways

Markup is calculated on cost. Margin is calculated on revenue. The same job produces different percentages depending on which formula you use - and businesses that mix the two systematically overestimate their profitability on every job they price.

Zigaflow14 September 20265 min read

How to run an aged debtors report and what to do with it

An aged debtors report lists every unpaid invoice your customers owe you, grouped by how long each has been outstanding. This article explains what the report shows, how to assign a chaser to every overdue line, and what to do when an invoice keeps appearing week after week.

Zigaflow13 September 20265 min read

Quote follow-up: what to send, and when

Automated quote follow-up sequences convert more reliably when anchored to the expiry date rather than the send date. Here is a three-message schedule - with guidance on what each message should say - built around the one deadline both sides share.

Zigaflow12 September 20265 min read

Supplier invoice matching when you do not have an accounts payable team

Supplier invoice matching checks whether the invoice you received matches the purchase order that authorized the spend. Two-way matching handles most of what a small business gets wrong. Three-way matching adds value only once goods receipts are being recorded consistently.

Zigaflow9 September 20265 min read

Every stalled job has a question nobody is chasing

Jobs don't stall at the start or the end. They stall in the middle, when an open query sits in an email thread with no owner, no deadline, and no connection to the job it's blocking.

Zigaflow8 September 20263 min read

The mid-job cost check most businesses skip

Most cost overruns are not discovered while the job is running - they are discovered at close, when there is nothing left to do about them. A mid-job cost check takes 20 to 30 minutes and covers the four areas most likely to produce an unwelcome surprise at final invoice.

Zigaflow7 September 20266 min read

Two commissioning dates on every commercial solar project - and only one of them is yours

Every commercial solar project has two commissioning dates: the physical installation your crew controls, and the DNO grid connection approval that sits in a separate queue. The installers who get paid on time have learnt to separate the two from the moment the contract is signed.

Zigaflow6 September 20266 min read

The quote you sent before the supplier prices came back

Sending a customer quote before confirming supplier prices is standard practice in most trade businesses. When input costs are rising 8.7% a year, the gap between what you quoted and what you will actually pay can eliminate a job's margin entirely.

Zigaflow5 September 20265 min read

The number that sits below every quote you send

Most small to medium-sized businesses know their overheads in broad terms. Fewer know what those costs add up to per working day - and that number is the floor below which every job runs at a loss, whether you realise it or not. Here is how to find it and what to do with it.

Zigaflow4 September 20265 min read

The promotional merchandise quote that covers the logo but not the names

When clients ask for personalised merchandise - individual names, department variants, per-recipient customization - the quote rarely reflects what the order actually costs to produce. Here is where the margin goes.

Zigaflow3 September 20264 min read

What to do when your actual costs come in higher than the quote

The quote was right when it went out. Now the material orders are coming in higher and the job is heading off margin. This guide covers how to assess the gap, decide what to absorb, have the client conversation early, and document whatever is agreed before a manageable shortfall becomes a write-off.

Zigaflow2 September 20266 min read

Finishing the work and proving it are two different jobs

Work ends with a verbal thumbs up and a job sheet that arrives at the office days later, if it arrives at all. When the invoice goes out and the customer remembers things differently, there is no signed record from completion day to resolve it quickly.

Zigaflow1 September 20266 min read

Why sub-contractors price prelims last and pay for it first

Most trade sub-contractors absorb their preliminary costs into unit rates without a separate time-related build-up. When a programme extends or phases are delayed, there is no mechanism to recover those costs. This piece explains why the structure of a prelim schedule matters as much as the total.

Zigaflow31 August 20265 min read

When the quote, the job record, and the invoice tell three different stories

Most small businesses record job information in several places at once. When the quote, job record, and invoice each tell a different version of the same story, the cost is not just extra admin - it is the decisions made from the wrong source.

Zigaflow30 August 20264 min read

Five signs a job is going to miss its invoice date

A job can look finished while five specific problems sit in the job record and billing queue. Catching these signals before the work closes is how businesses keep invoicing on schedule and avoid disputes before they start.

Zigaflow29 August 20266 min read

Your furniture is ready. the site isn't. now what?

When all your furniture is manufactured, checked, and warehouse-ready but the client's site still isn't cleared for installation, the costs of waiting - storage, crew rescheduling, delayed invoicing - typically land on the dealer. Here's what happens and how to protect your margins before the delay arrives.

Zigaflow28 August 20265 min read

No one flags a job as late until it already is

For most trade and project businesses, job status only surfaces when someone decides to report a problem. By then, downstream commitments have already been made on the assumption everything was on track. Milestone-based project tracking changes the signal from 'no news' to 'stage not confirmed.'

Zigaflow27 August 20265 min read

What an extra day on every job is actually costing you

Most businesses treat a one-day overrun as a rounding error. It is not. The true cost shows up in rescheduling, idle sub-contractors, and margin that disappears without a clear cause - and usually surfaces too late to do anything about it.

Zigaflow26 August 20266 min read

The second fix that wasn't in the first quote

Commercial electrical contractors on fit-out jobs routinely price first fix and second fix as a single mobilization. When the programme slips and the crew remobilizes months later, those return visits cost real money that was never in the original quote.

Zigaflow25 August 20264 min read

What to check on a customer purchase order before you start work

When a customer sends you a purchase order, most businesses save it and start work. But once you accept a PO, its terms are legally binding. Five checks before you respond can prevent the disputes that appear weeks later.

Zigaflow24 August 20266 min read

The enquiry that moved on while you were still processing it

Most businesses lose enquiries not because the customer found someone better, but because they were slower to respond. This piece looks at the speed and follow-up gaps that cost SMBs conversions before a single quote is sent.

Zigaflow23 August 20267 min read

How an AV project can be delivered, invoiced, and still losing money

When an AV project is commissioned, signed off, and invoiced, most integrators consider it closed. But subcontractor invoices, unlogged labour hours, and undocumented scope additions keep arriving after the final bill - and they change the margin picture entirely.

Zigaflow22 August 20265 min read

The price you dropped to win the first job

When you discount to win a first job, the price you accepted becomes the customer's reference point for every quote that follows. Understanding what that first concession actually costs across a long customer relationship is one of the more useful things a business owner can know.

Zigaflow21 August 20264 min read

Why the invoice you're not chasing is getting harder to collect

Most business owners know exactly which overdue invoices they are avoiding chasing. This article explains why delay makes collection harder, and sets out a simple three-stage process that protects cash flow without making the call feel confrontational.

Zigaflow20 August 20266 min read

The order that cannot start until your client responds

When a client places a promotional merchandise order, they believe their part is done. But the production clock has not started yet. Artwork files, PMS colour confirmation, proof sign-off, and size run approvals all sit on the client side of the process - and most distributors absorb the resulting delays without billing for them.

Zigaflow19 August 20266 min read

A completed job and a billable milestone are not the same thing

Most project businesses track whether jobs are open, in progress, or complete. What that doesn't capture is whether the specific milestone has been confirmed that makes the next invoice due - and those are two different pieces of information with different consequences for cash flow.

Zigaflow18 August 20265 min read

Every job status call costs more than the call itself

Most project-based service businesses answer the same question dozens of times a day: where does that job stand? Each answer takes two minutes. The true cost, once interruption recovery time is counted, runs much higher.