InvoiceAdept vs Sage Accounting UK (2026): invoicing or accounting?

By InvoiceAdept Editorial4 September 2026Updated 13 September 202618 min read

Tradespeople searching "InvoiceAdept vs Sage" are usually deciding whether they need a trades invoicing front end or a full accounting back end that can calculate and submit VAT (and, on some Sage products, Self Assessment / MTD for Income Tax paths). Those are different jobs. Buying the wrong one wastes money and creates a second set of books.

This page is an honest 2026 comparison for UK trades. It keeps the live slug invoiceadept-vs-sage-uk (UUID f837750f-d813-4177-a427-5a233f434a3b). It thickens the thin live comparison with more feature tables, CIS honesty, WhatsApp, MTD filing honesty, pricing checked against public Sage UK pages, and clear "who each fits" guidance. InvoiceAdept does not file CIS300, VAT returns, Making Tax Digital updates or Self Assessment to HMRC. Sage markets calculate-and-submit VAT on Accounting plans and MTD for Income Tax messaging on Sole Trader - confirm the live plan on sage.com before you buy.

Pricing honesty (checked 13 September 2026 against public Sage UK pages): Sage Accounting Start / Standard / Plus after-intro list prices on sage.com/en-gb pricing were presented as £20 / £43 / £59 per month excl VAT, with a common promo of 90% off for 6 months (£2 / £4.30 / £5.90 then full price). Sage Sole Trader paid plan commonly marketed around £7/mo excl VAT with free plans underneath - confirm invoice caps and promos on Sage's live page. InvoiceAdept: Free £0 (five invoices/month); Pro £7.99 excl VAT; Pro+ £12.99 excl VAT. Promos change - if unsure, keep qualitative and check sage.com and invoiceadept.com/pricing on the day you buy.

Related reading: InvoiceAdept MTD invoicing for trades, how to invoice a client UK tradesperson, CIS explained, domestic reverse charge and the free invoice generator.

Rules and links checked 13 September 2026. General information only, not tax or software-procurement advice. InvoiceAdept is from Tech Me Today Ltd, Companies House 15917255, ICO ZB944663. Support: [email protected].

The short version

If you need...

Lean toward...

Fast invoices from the van, WhatsApp send, CIS lines on the PDF

InvoiceAdept Pro or Pro+

Bank feeds, VAT return calculate/submit, payroll seats in one brand

Sage Accounting Start / Standard / Plus

Non-VAT sole trader Self Assessment / MTD for Income Tax path as Sage markets it

Sage Sole Trader (confirm live)

Both clean trade invoices and full books

InvoiceAdept front end + Sage (or accountant) back end

Someone who files CIS300 / VAT / MTD / SA inside InvoiceAdept

Neither claim - InvoiceAdept does not file; Sage filing depends on plan - confirm

Do not buy "MTD-ready invoicing" as a magic filing button. Digital records are not the same as submitting returns to HMRC.

What each product actually is

InvoiceAdept

Sage Accounting (Start / Standard / Plus)

Sage Sole Trader

Category

UK trades invoicing SaaS + digital records

Cloud accounting + VAT path + payroll positioning

Accounts for non-VAT-registered sole traders (as Sage markets)

Primary job

Create, send, chase, collect invoices

Books, bank, VAT, payroll, filing path

Self Assessment / MTD for Income Tax path messaging

CIS on invoice

Pro+ labour vs materials

Standard positioned for CIS/suppliers/accruals - confirm return features

Not the Accounting CIS positioning - confirm

Files VAT to HMRC

No

Markets calculate and submit VAT - confirm plan

Not the VAT-registered Accounting ladder

Files CIS300 / ITSA / SA

No

Confirm per plan

Markets Self Assessment / MTD ITSA readiness - confirm

WhatsApp-native send

Yes on Pro / Pro+

Not a headline trade feature

Not WhatsApp-native

Best used as

Front end for trades

Back end for VAT-registered firms

Back end for non-VAT sole traders

Live Sage pricing (checked 13 September 2026)

Public Sage UK Accounting pricing pages (sage.com) presented after-intro list prices as:

Sage plan

After-intro monthly (excl VAT)

Common promo framing (check live)

Accounting Start

£20

90% off 6 months → often £2 then £20

Accounting Standard

£43

90% off 6 months → often £4.30 then £43

Accounting Plus

£59

90% off 6 months → often £5.90 then £59

Sole Trader (paid)

Around £7

Free plans available underneath - confirm caps

Sole Trader Free

£0

Confirm limits on Sage's page

Caution: Sage promos, payroll add-on rates, snap/receipt allowances and Copilot inclusion change. Third-party round-ups sometimes lag. Before you subscribe, open Sage Accounting pricing and Sole Trader pages on the day. This guide marks prices as checked 13 September 2026 from public pages; if a figure looks stale later, treat it as qualitative and verify.

InvoiceAdept pricing (honest)

Plan

Monthly (excl VAT)

What you get (high level)

Free

£0

Five invoices per month, 1 user, email/PDF/portal

Pro

£7.99

Unlimited invoicing, WhatsApp send, Stripe payments, up to 3 users

Pro+

£12.99

Pro + CIS invoice lines, bank recon, cashflow, reports, audit log, unlimited users

Stripe's own fees apply (UK cards typically 1.5% + 20p; international higher). InvoiceAdept adds no platform fee on top of Stripe. Annual discounts may be advertised on our pricing page - check live.

Side-by-side feature matrix

InvoiceAdept

Sage Accounting with Ai

Sage Sole Trader with Ai

What it is

Trade invoicing and digital records

Cloud accounting, VAT, payroll, HMRC filing path

Accounts for non-VAT registered sole traders

Price (13 Sep 2026, excl VAT)

Free / Pro £7.99 / Pro+ £12.99

Start £20 / Standard £43 / Plus £59 after intro (promo often 90% off 6 months)

Free plans; paid around £7/mo - confirm

Users

1 Free; ≤3 Pro; unlimited Pro+

1 / 3 / unlimited on Start / Standard / Plus (as commonly marketed)

Confirm on Sage Sole Trader page

CIS

Deduction on the invoice on Pro+ (£12.99). Labour vs materials. Does not file CIS300

Standard positioned for suppliers, CIS or accruals. Confirm contractor vs subcontractor CIS return features

Not Accounting Standard CIS positioning

MTD: records

Yes - invoices, payments, expenses on paid plans; export for accountant

Yes - digital books, bank feeds, categorisation

Yes - as Sage markets bank feeds / invoices

MTD: filing to HMRC

No. No quarterly ITSA updates, Self Assessment, or VAT return

Sage markets calculate and submit VAT. Confirm live plan

Marketed Self Assessment / MTD for Income Tax ready. Confirm

Payroll

Not a payroll product

Built-in seats - confirm live employee counts / extras on Start/Standard/Plus

Confirm - do not assume Accounting payroll seats

WhatsApp send

Native on Pro and Pro+

Share a PDF yourself - not WhatsApp-native

Same

Card / online payment fees

Stripe on Pro. No IA platform fee. UK cards typically 1.5%+20p

Sage invoices / payment partners - read their terms; do not invent unpublished fees

Same caution

Who it is for

Trades who bill from a phone and keep a clean income record

VAT-registered sole traders and small firms wanting books + VAT + payroll

Non-VAT sole traders on Sage's MTD ITSA path

Best used as

Front end: send, chase, collect

Back end: bank, VAT, payroll, return

Back end for non-VAT sole trader

Records versus filing, in plain English

HMRC's Making Tax Digital rules care about digital records and, separately, submitting updates and returns through compatible software. Keeping invoices in InvoiceAdept helps your record trail. It does not mean InvoiceAdept sends VAT returns, CIS300 or Self Assessment for you.

Activity

InvoiceAdept

Sage Accounting

Sage Sole Trader

Create sales invoices

Yes

Yes

Yes (as marketed)

Keep digital income/expense records

Yes on paid plans

Yes

Yes

Bank feeds / reconciliation

Pro+ bank recon positioning

Core accounting feature

As marketed

Submit VAT return to HMRC

No

Markets calculate/submit - confirm

Not the VAT ladder

Submit CIS300

No

Confirm on CIS-positioned plan

Not the focus

Submit MTD for Income Tax / SA

No

Confirm product

Markets readiness - confirm

Export for accountant

Yes

Yes

Yes

If your accountant already files, InvoiceAdept as a clean front end is often enough. If you want one brand to hold books and press submit on VAT, Sage Accounting is the product category - still confirm the plan.

CIS: the invoice is not always the return

CIS has two different paperwork jobs:

1. Showing labour vs materials and expected deduction on the subcontractor invoice (what InvoiceAdept Pro+ helps with). 2. Filing the CIS300 monthly return (what InvoiceAdept does not do).

Need

InvoiceAdept

Sage

CIS split on the PDF you send

Pro+

Confirm invoice + CIS tools on Standard+

CIS300 monthly return filing

Does not file

Confirm contractor vs subcontractor return features on the plan you buy

Householder jobs

No CIS decoration

Same - householder is not a CIS contractor

Materials at direct cost

Show tickets; carve-out when CIS applies

Same accounting discipline inside Sage

Softening: do not invent that Sage "always files CIS300 on every plan" or that InvoiceAdept "is CIS compliant filing software". Read the live plan matrix.

WhatsApp, PDF and getting paid

Channel

InvoiceAdept

Sage

Email / PDF

Yes

Yes

Customer portal

Yes (product feature set)

Sage customer payment / invoice flows as marketed

WhatsApp-native send

Pro / Pro+

Not a headline native feature - you can still share a PDF

Card take

Stripe; no IA platform fee; UK 1.5%+20p typical

Payment partner terms - check Sage

Chase / reminders

Product workflows

Accounting chase tools as marketed

Trades who close jobs in WhatsApp often prefer native send. That alone is not a reason to abandon Sage if you need VAT filing in-product - you can use both.

Payroll, receipts and Copilot - Sage extras InvoiceAdept does not sell

InvoiceAdept

Sage Accounting Start

Sage Accounting Standard

Sage Accounting Plus

What you are buying

Invoicing + digital records

Accounting + VAT path + payroll

Accounting + CIS/suppliers/accruals positioning + payroll

Accounting + inventory / multi-currency + payroll

After-intro price (excl VAT, 13 Sep 2026 public)

Pro £7.99 / Pro+ £12.99

£20/mo

£43/mo

£59/mo

Payroll included

None

Confirm live seat counts / extras on Sage

Confirm

Confirm

Receipt / snap capture

Expenses on Pro / Pro+ - not Sage snap

Confirm inclusion on Start

Often marketed with snap allowances on Standard+

Higher snap allowances as marketed

Sage Copilot

Not a Sage product

Included as Sage markets it

Included

Included

CIS on the invoice

Pro+ labour vs materials

Confirm - Start is not the CIS-positioned plan

Standard is the CIS-positioned plan. Confirm return features

Confirm

Files VAT return

No

Markets calculate/submit. Confirm

Same family

Same family

Files CIS300 / MTD ITSA / SA

No

Confirm VAT vs Income Tax vs CIS return

Same

Same

Payroll seat numbers and snap extras change - verify on sage.com rather than relying on a blog table forever.

What the monthly numbers actually buy

Plan

After-intro monthly (excl VAT)

What it actually is

Files VAT / ITSA / CIS300?

InvoiceAdept Free

£0

5 invoices, 1 user, email / PDF / portal

No

InvoiceAdept Pro

£7.99

Unlimited invoicing, WhatsApp, Stripe (no IA platform fee), ≤3 users

No

InvoiceAdept Pro+

£12.99

Pro + CIS invoice lines, bank recon, cashflow, reports, audit log, unlimited users

No

Sage Sole Trader (paid)

~£7

Non-VAT sole trader accounts; free plans underneath

MTD for Income Tax / SA as Sage markets - confirm. Not VAT Accounting ladder

Sage Accounting Start

£20

VAT-registered entry; Copilot; payroll positioning

VAT calculate/submit as marketed. Confirm. Not CIS-positioned plan

Sage Accounting Standard

£43

CIS / suppliers / accruals positioning

VAT as marketed. CIS return: confirm

Sage Accounting Plus

£59

Inventory / multi-currency positioning

VAT as marketed. Confirm CIS / ITSA

Using both, without making a mess

Many trades keep InvoiceAdept as the customer-facing invoice book and Sage (or an accountant's pack) as the ledger. Rules of thumb:

Habit

Why

One sales invoice number sequence

Do not raise the same job twice in two systems as two "originals"

Export or copy totals into Sage

Accountant sees income; you still WhatsApp from InvoiceAdept

Do not reverse-charge householders in either tool

Same legal rule

CIS split on InvoiceAdept PDF; CIS300 elsewhere

Invoice ≠ return

Agree who presses Submit on VAT

Usually accountant or Sage - never assume InvoiceAdept did it

Who should pick which

Situation

Better first move

Why

You bill from the van, often in WhatsApp, accountant already files

InvoiceAdept Pro or Pro+

Shopping for invoicing, not a second ledger

VAT-registered, want VAT return + bank feed in one brand

Sage Accounting Start (or higher)

Markets calculate/submit VAT

VAT-registered contractor needing CIS inside Sage

Sage Accounting Standard, then confirm CIS return

Standard is CIS/suppliers/accruals plan Sage points at

Non-VAT sole trader for MTD for Income Tax

Sage Sole Trader (or other HMRC-recognised ITSA product)

That is Sage's SA / MTD ITSA messaging

CIS subcontractor needing labour vs materials on the PDF

InvoiceAdept Pro+

Invoice is the job; CIS300 is a different job - we do not file it

Even one employee on PAYE

Sage Accounting (or payroll bureau)

InvoiceAdept is not payroll

Five invoices a month to try a trades tool

InvoiceAdept Free

Way in

Already invoice inside Sage, do not care about WhatsApp-native

Stay in Sage

Do not add a second invoice book for sport

About to buy "MTD-ready invoicing" as only tool

Neither as only tool

Records ≠ filing

Feature depth: invoicing workflows

Workflow

InvoiceAdept

Sage Accounting

Deposit invoices

Supported pattern - see deposit guides

Quotes/invoices as accounting product allows

Stage / valuation style bills

Clear numbered stages

Same discipline inside Sage

CIS labour/materials lines

Pro+

Confirm CIS tools

Domestic reverse charge wording

When eligible - see reverse charge guide

Accounting VAT tools - confirm

Multi-user on site

Pro ≤3; Pro+ unlimited

Start 1 / Standard 3 / Plus unlimited (as marketed)

Trade-specific templates blog

Large UK trades template library

General accounting templates

Feature depth: accounting and compliance

Workflow

InvoiceAdept

Sage

Full double-entry books

Not positioned as full Sage replacement

Core product

VAT return prepare/submit

No

Markets yes on Accounting - confirm

Payroll

No

Yes on Accounting plans - confirm seats

Inventory / multi-currency

Not the product

Plus positioning

Copilot / AI assistant

Not Sage Copilot

Sage Copilot as marketed

Accountant collaboration

Export / share

Strong accountant ecosystem

Pricing scenarios (illustrative monthly, excl VAT)

Illustrative only - promos ignored unless noted.

Scenario

InvoiceAdept pick

Sage pick

Notes

Sole trader, 4 invoices/month, accountant files VAT

Free £0

Optional Sole Trader or none

Do not pay for filing you already buy from accountant

CIS subby, WhatsApp heavy, accountant files CIS300

Pro+ £12.99

Optional

Pro+ for PDF split; Sage only if you want books in Sage

VAT-registered, wants in-product VAT submit, light WhatsApp

Optional Pro for send

Start £20+

Sage is the filing path

Small ltd with CIS suppliers + 2 staff

Pro+ for customer invoices

Standard/Plus + payroll

Often both

Non-VAT sole trader facing MTD ITSA

Free/Pro for invoices

Sole Trader ~£7

Sage Sole Trader for SA path messaging

VAT registration threshold and product choice

UK VAT registration threshold used in InvoiceAdept guides: £90,000 rolling 12 months (confirm GOV.UK). The old £85,000 figure is historical/outdated. Crossing the threshold pushes many sole traders from Sole Trader-style products toward Accounting Start+. InvoiceAdept pricing does not change because you register for VAT - but your invoice must show VAT correctly when registered. InvoiceAdept does not decide when you must register.

Deemed CIS contractors (£3 million)

Deemed CIS contractor rules use more than £3 million of relevant construction spend - not £1 million. Soften; confirm GOV.UK. Neither InvoiceAdept nor a blog table decides deemed status. If you are deemed, your CIS return obligations sit with filing software / accountant - not with InvoiceAdept.

Bank Rate / late payment note (illustrative)

Between businesses, statutory late payment interest is typically Bank Rate + 8% where it applies. Illustrative for this guide (13 September 2026 context): Bank Rate 3.75% → 11.75%. Mark illustrative. Software choice does not create or remove the legal right - chase letters still need accurate figures.

What we are not claiming

  • That InvoiceAdept is a full Sage Accounting replacement for VAT filing, payroll or inventory.

  • That Sage is "bad" for trades - it is strong when you need books and filing.

  • That InvoiceAdept files CIS300, VAT, MTD or Self Assessment - it does not.

  • That any Sage plan always includes every CIS return feature without checking.

  • Fake uplift stats, invented city case studies, or unsourced "62% of trades switch" claims.

  • That WhatsApp-native send alone justifies abandoning a working Sage VAT setup.

Migration and dual-run checklist

Step

Habit

Pick source of truth for invoice numbers

One sequence for customer-facing originals

Export open invoices

Avoid double-chasing

Map CIS jobs

Pro+ split vs Sage CIS tools

Agree VAT submitter

Accountant / Sage - not InvoiceAdept

Train WhatsApp send

Pro feature - do not invent it on Free forever

Review after 30 days

Drop the tool you are not opening

Free invoice generator CTA

Try a first draft in the free invoice generator before you pay anyone. Free is five invoices per month. If you need WhatsApp, move to Pro (£7.99). If you need CIS lines on the PDF, move to Pro+ (£12.99). If you need VAT submit in-product, evaluate Sage Accounting on sage.com the same week - do not assume InvoiceAdept will file it.

Mistakes when comparing InvoiceAdept and Sage

Mistake

Fix

Buying Sage only because a Google ad said "MTD invoicing"

Separate records from filing

Buying InvoiceAdept expecting CIS300 filing

We do not file CIS300

Ignoring promo vs after-intro Sage prices

Budget the £20/£43/£59 ladder

Assuming Sole Trader £7 replaces Accounting VAT

Different product ladders

Running two original invoice books forever

Dual-run with one customer-facing sequence

Reverse-charging householders in either tool

Never

Using outdated £85k VAT threshold

Use £90,000 (confirm GOV.UK)

Saying deemed CIS is £1m

Use £3 million

How InvoiceAdept describes itself honestly

InvoiceAdept is UK trades invoicing software from Tech Me Today Ltd (15917255), ICO ZB944663. Support [email protected]. No public phone for directory listings. Free / Pro £7.99 / Pro+ £12.99 excl VAT. Stripe fees apply; no InvoiceAdept platform fee. Does not file CIS300, VAT, MTD or SA. Does not decide CIS or VAT status.

How to read Sage marketing honestly

Sage is a large accounting brand. Accounting Start/Standard/Plus are VAT-registered ladders with payroll and Copilot messaging. Sole Trader is the non-VAT sole trader ladder with Self Assessment / MTD for Income Tax messaging. Standard is commonly pointed at CIS/suppliers/accruals. Always open the live pricing and feature comparison on sage.com - blog tables go stale.

Stripe fees versus subscription maths

Subscription price is not the only cash cost. Card fees matter when customers pay online.

Fee type

InvoiceAdept

Sage

Software subscription

Free / £7.99 / £12.99 excl VAT

Start £20 / Standard £43 / Plus £59 after intro (13 Sep 2026 public) + Sole Trader ~£7

Card processing

Stripe; UK cards typically 1.5%+20p; no InvoiceAdept platform fee on top

Payment partner terms inside Sage - read their published rates; do not invent unpublished Sage card fees here

Failed payment / chargeback

Stripe rules

Partner rules

Bank transfer / BACS only

£0 card fee if customer pays to your account

Same if they pay outside card rails

A firm taking £4,000 card-paid invoices in a month at 1.5%+20p per UK card payment will spend more on Stripe than on Pro (£7.99) in many cases. That is normal payment-industry cost, not an InvoiceAdept markup. Budget software and card fees separately when you compare Sage and InvoiceAdept.

Support, legal entity and trust signals

Signal

InvoiceAdept

Sage

Legal entity

Tech Me Today Ltd, Companies House 15917255

Sage Group / Sage UK corporate entities as published

ICO

ZB944663

Sage privacy / ICO registrations as published

Support email

[email protected]

Sage support channels as published

Public phone for directories

None listed for InvoiceAdept directory listings

Sage published contact options vary by product

UK trade focus

Built around UK trades invoicing templates and CIS invoice lines

Broad SMB accounting across many sectors

Trust is not only brand size. For a CIS subcontractor who needs a readable PDF today, the right tool is the one that ships the invoice correctly - then export to whoever files.

Accountant collaboration patterns

Pattern

When it works

InvoiceAdept + accountant files everything

Most WhatsApp-heavy trades with a bookkeeper already

Sage Accounting only

You want bank, VAT, payroll and submit in one login

InvoiceAdept + Sage dual-run

Customer-facing invoices in InvoiceAdept; ledger in Sage

Sage Sole Trader only

Non-VAT sole trader on Sage's SA / MTD ITSA messaging

Accountant-preferred stack

Follow your accountant - do not fight their export format for sport

Ask your accountant which export they prefer (CSV, PDF pack, bank CSV) before you buy a second subscription "because SEO said so".

Security, audit log and multi-user habits

Topic

InvoiceAdept

Sage

Multi-user

Free 1; Pro ≤3; Pro+ unlimited

Start 1; Standard 3; Plus unlimited (as commonly marketed 13 Sep 2026)

Audit log

Pro+ positioning

Accounting audit trails as marketed

Roles

Product roles for trades teams

Accounting user permissions

Device use

Phone-first invoicing habit

Desktop-heavy bookkeeping habit for many users

If three people on site need to raise invoices, count seats before you pick Free forever. If one bookkeeper and one director live in the ledger, Sage seat maths matters more than WhatsApp.

Construction-specific invoice content (where InvoiceAdept blogs help)

InvoiceAdept publishes long UK trade templates (paving, CIS, retention, deposits, reverse charge). That content is separate from Sage's product UI, but it matters when your invoice descriptions bounce QS queries. Sage will store whatever description you type; InvoiceAdept's SEO guides teach the CIS/VAT wording habits. Use the guides either way - including when your ledger is Sage.

When to stay on Free, upgrade, or leave

Signal

Action

Under five invoices/month, testing

Stay InvoiceAdept Free

WhatsApp is how customers pay attention

Upgrade Pro

CIS labour/materials arguments with contractors

Upgrade Pro+

You need VAT submit yourself this quarter

Evaluate Sage Accounting Start+ the same week

You hired PAYE staff

Sage payroll path or bureau - not InvoiceAdept

You already love Sage invoices and never use WhatsApp

Stay Sage; skip a second book

Dual-run is confusing the office

Pick one customer-facing sequence within 30 days

Final comparison scorecard (qualitative, not a fake 9.7/10)

Criterion

InvoiceAdept edge

Sage edge

Tie / depends

WhatsApp-native send

Yes

CIS lines on trade PDF

Pro+

Confirm Sage CIS tools

VAT return submit

Accounting plans

Payroll

Accounting plans

Lowest try-before-buy

Free five invoices

Sole Trader Free / trials

Full inventory / multi-currency

Plus

UK trades template education

Blog library

Use blogs even on Sage

Filing CIS300

Neither assumed - IA never; Sage confirm

Confirm Sage

No invented star ratings. Your "winner" is the job you actually need done this month.

Detailed plan chooser for VAT-registered trades

If you are already VAT-registered (or about to cross the £90,000 rolling threshold), the chooser is usually:

1. Do you need in-product VAT submit this quarter? If yes, shortlist Sage Accounting Start or higher and confirm calculate/submit on the plan page. 2. Do you need WhatsApp-native send more than you need in-product submit? If yes, InvoiceAdept Pro, and keep your accountant filing VAT. 3. Do you need both? Dual-run with one customer-facing invoice sequence. 4. Do you need CIS on the PDF? InvoiceAdept Pro+. Do you need CIS tools inside the ledger? Sage Standard, then confirm return features. 5. Do you have PAYE staff? Sage payroll path or a bureau - InvoiceAdept will not run PAYE.

Write the answers down before you enter card details on either site. Promo pricing on Sage (90% off for six months) can make Start look like £2/month - budget the post-promo £20 so you are not surprised in month seven.

Detailed plan chooser for non-VAT sole traders

If you are not VAT-registered:

Need

Lean

Simple invoices only

InvoiceAdept Free or Pro

Sage brand + Self Assessment / MTD for Income Tax messaging

Sage Sole Trader (free or ~£7)

Expect to hit £90,000 soon

Plan the move to Accounting Start before the quarter you register

CIS subcontractor invoices to builders

InvoiceAdept Pro+ for PDF split; filing still elsewhere

Sole Trader is not Accounting Start with a different price tag. Mixing the ladders in your head causes bad purchases.

Export, CSV and year-end habits

Habit

Why it matters

Monthly export of invoices and payments

Accountant does not chase screenshots in March

Keep deposit and stage invoices numbered

Retention and CIS queries need a trail

Do not delete drafts that became finals under a new number without a note

Audit confusion

Match bank receipts to invoice numbers

Both tools help; discipline is yours

Confirm who submits VAT / CIS300 / SA

Never assume InvoiceAdept did

Year-end is when thin processes break. If you dual-run InvoiceAdept and Sage, agree the export owner every month, not every April.

Mobile versus desktop reality for trades

Most InvoiceAdept users care about raising an invoice on a phone between jobs. Most Sage Accounting power users care about bank rules, VAT codes and payroll on a larger screen. Neither habit is wrong. If your day is 90% site time, test WhatsApp send on Pro before you buy a desktop-centric stack as your only tool. If your day is 90% office bookkeeping, test Sage bank feeds before you buy a phone invoicer as your only tool.

Common objections and straight answers

Objection

Straight answer

"I need MTD so I must buy Sage"

You need digital records and a filing path. InvoiceAdept can be records; filing may be accountant or Sage.

"InvoiceAdept is cheaper so it must be incomplete"

It deliberately does not file VAT/CIS300/SA. That is honesty, not a hidden missing button.

"Sage is expensive so it must file everything on every plan"

Confirm CIS return and ITSA features per plan. Standard ≠ every return type automatic.

"I will decide later and run two originals"

Bad idea - pick a customer-facing sequence within 30 days.

"Free is enough forever"

Fine until you need WhatsApp, CIS lines, or more than five invoices.

Implementation week plan (either tool)

Day

Action

Day 1

List open quotes and who pays (householder vs contractor)

Day 2

Draft one householder invoice and one CIS-style contractor invoice

Day 3

Test send channel (email PDF vs WhatsApp on Pro)

Day 4

Confirm VAT registration status and threshold monitoring (£90,000)

Day 5

Speak to accountant about export + who submits returns

Day 6

Turn off the second "original" invoice book if dual-running

Day 7

Review fees: subscription + Stripe/payment partner

This plan works whether you chose InvoiceAdept, Sage, or both.

FAQ

Does InvoiceAdept replace Sage Accounting?

No. InvoiceAdept is a trades invoicing front end with digital records. Sage Accounting is cloud accounting with VAT/payroll/filing paths. Many firms use InvoiceAdept for sending and Sage (or an accountant) for books and returns.

Does InvoiceAdept file VAT returns or MTD updates?

No. InvoiceAdept does not file VAT returns, Making Tax Digital updates, CIS300 or Self Assessment.

Does Sage file VAT returns?

Sage Accounting markets calculate and submit VAT on Accounting plans. Confirm on the exact plan you buy on sage.com.

What are InvoiceAdept prices in 2026?

Free £0 (five invoices/month); Pro £7.99 excl VAT; Pro+ £12.99 excl VAT. Stripe UK cards typically 1.5%+20p; no InvoiceAdept platform fee.

What are Sage Accounting prices (checked 13 September 2026)?

Public after-intro list prices appeared as Start £20, Standard £43, Plus £59 excl VAT, often with 90% off for 6 months. Sole Trader paid around £7. Confirm live on sage.com - promos change.

Which is better for CIS subcontractors?

If you need labour vs materials on the invoice PDF, InvoiceAdept Pro+. If you need CIS tools inside a full ledger / return path, evaluate Sage Accounting Standard and confirm CIS return features. InvoiceAdept does not file CIS300.

Which is better for WhatsApp invoicing?

InvoiceAdept Pro / Pro+ has native WhatsApp send. Sage is not WhatsApp-native as a headline trade feature.

Can I use both?

Yes - keep one customer-facing invoice sequence and let Sage/accountant hold the ledger and filings.

What VAT threshold does this guide use?

£90,000 rolling 12 months. £85,000 is outdated/historical. Confirm GOV.UK.

Does InvoiceAdept do payroll?

No. Use Sage Accounting payroll seats or a bureau.

Is Sage Sole Trader the same as Accounting Start?

No. Sole Trader targets non-VAT sole traders with SA / MTD ITSA messaging. Start is the VAT-registered Accounting entry.

Where do I try InvoiceAdept free?

https://invoiceadept.com/invoice-builder/

Related guides

About this guide

Last reviewed 13 September 2026. UPDATE_EXISTING on UUID f837750f-d813-4177-a427-5a233f434a3b - slug invoiceadept-vs-sage-uk unchanged. Sage public pricing re-checked 13 September 2026; always verify sage.com on purchase day. General information only. Tech Me Today Ltd 15917255, ICO ZB944663.

Bottom line

Pick InvoiceAdept when the pain is sending clear trade invoices (WhatsApp, deposits, CIS lines on the PDF). Pick Sage Accounting when the pain is books, VAT submit, payroll or inventory in one accounting brand. Pick Sage Sole Trader when you are non-VAT and want Sage's SA / MTD ITSA path. Do not expect InvoiceAdept to file CIS300, VAT, MTD or SA. Check live Sage prices on sage.com. Draft a first invoice in the free invoice generator.

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