Atlas · For Accounting Practices · MTD ITSA 2026

Your clients
don't change.
Their mess does.

Atlas sits silently behind your existing client communication channels — WhatsApp, email — and turns the receipts they already send you into clean, compliant, digitally-linked records. No client onboarding. No new apps. No behaviour change required.

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2.9M
Sole traders entering MTD ITSA by 2026
−80%
Reduction in receipt chasing and reconstruction time
40 min
Average year-end per client, down from 4 hours
0
Changes required from your clients
The Problem
Why MTD is making your practice worse before it gets better

You're already spending hours
fixing problems clients create.

MTD ITSA doesn't solve the root cause — clients who send receipts in carrier bags, pay cash for things they forget to mention, and WhatsApp you a blurry photo at 11pm on the quarter deadline. It just makes the consequences more frequent.

01

The Reconstruction Tax on Your Time

Every messy sole trader client costs your team 3–4 hours of reconstruction work per year-end — sorting, chasing, categorising, reconciling. Work that should take 40 minutes. Work you can't charge for at the rate it deserves.

↑ £800–£1,200 in unbillable hours per client annually
02

The Quarterly Deadline Multiplier

Before MTD, messy clients were a once-a-year problem. Now they're a four-times-a-year problem. The same receipt chaos that used to surface in January now surfaces in April, July, October, and January. Your peak-period workload has quadrupled for this client segment.

↑ 4× the chasing, 4× the deadline pressure
03

The Client Relationship Erosion

Chasing receipts strains relationships. Clients feel nagged. Your team feels like administrators, not advisors. The friction of compliance work is slowly crowding out the advisory conversations that build long-term practice value — and client loyalty.

↓ Lower client retention, lower advisory revenue
How It Works
The architecture

Atlas intercepts what
already exists.

There is no client onboarding flow. No app for Dan to download. No forwarding rules to configure. Atlas connects to your practice channels — the WhatsApp Business number and email address your clients already use — and turns that existing communication into structured financial data.

📱
01

Client sends a receipt

WhatsApp to your practice number. Email to receipts@yourpractice.co.uk. Exactly as they do today. Nothing changes on their side. Atlas is invisible to them.

No client action
🔬
02

Atlas extracts and matches

OCR reads the receipt. Vendor, VAT, total, date extracted. Matched against the client's bank feed. Confidence scored. Anything below threshold goes to your Review Queue with the reasoning shown.

Transparent AI
📋
03

You see only exceptions

Your Practice Dashboard shows every client ranked by exception rate. High-confidence matches are handled. You spend time only on the items that genuinely need your judgement.

Judgement-only work
✅
04

You file. Client is done.

Pre-Flight Check quantifies any missing relief. You authorise the MTD submission. Atlas pushes to HMRC API with a full UUID audit trail. Client receives a WhatsApp confirmation from your number. Done.

You authorise
Two perspectives. One system.

What it feels like
from both sides.

Practice User
Kevin
Connects the practice WhatsApp number and receipts inbox. One-time setup, under 20 minutes.
Tells clients: "Send receipts like you always have." That's the entire client conversation.
Opens Practice Dashboard on Monday morning. Sees all clients ranked by exception rate. Spots problems 6 weeks before the deadline, not the day before.
Batch-approves matched items. Adjusts withholding rates for pension/allowances. Applies judgement. Doesn't process.
Authorises MTD submission. Year-end P&L review takes 40 minutes. Not 4 hours. Bills accordingly.
Before Atlas
Friday 4pm. Three clients haven't sent their Q3 receipts. Kevin sends the same chasing email he's sent six times this year.
After Atlas
Friday 4pm. Atlas sent the nudges on Sunday. Two clients responded. One receipt is gone — Kevin sees the £ impact and calls it done.
Sole Trader Client
Dan
Kevin tells him he's on Atlas. Dan's response: "What do I need to do?" Kevin's response: "Nothing."
WhatsApps receipts to Kevin's number. Exactly as he always did. No new app. No login. No behaviour change.
Sunday evening: WhatsApp from Kevin's number. "3 receipts we couldn't match — could be £190 in tax relief. Send when you can." Dan finds two. Sends them.
Tax automatically set aside from every payment received. Safe to Spend figure always honest. No January shock.
WhatsApp from Kevin's number: "Q1 done. Ref: XC-2026-Q1-8841." Dan reads it. Goes back to work. That's it.
Before Atlas
January. Dan's accountant fee arrives. It's £800 more than last year. "MTD compliance work." Dan winces and pays.
After Atlas
January. Kevin's fee is lower. Over-saved tax returns with interest. Dan refers his mate who does plastering.
Results
What practices see in the first six months

The numbers your practice
should be measuring.

The primary metric Atlas is built around is ERC — Exception Rate per Client. It measures how much manual intervention each sole trader requires per month. Below is the typical trajectory.

8.5×
Average manual interventions per sole trader client per month — before Atlas
ERC baseline across practice portfolio
<1×
Target ERC at steady state — month 6 onward, with 96%+ compliance score
Target: exceptions driven by genuine ambiguity only
40%
Increase in client capacity at same headcount. Same team. More clients.
Driven by reduction in reconstruction and chasing work
40min
Average year-end review per client, down from 4 hours. That's 3.3 hours per client returned to you.
At 50 sole trader clients: 165 hours returned annually
Exception Rate per Client (ERC) — Typical Trajectory
Before Atlas
8.5×
Month 1 — ingestion live
5.5×
Month 3 — ingestion stable
2.5×
Month 6 — steady state
1.2×
Target — 96% compliance
<1×
Feature Set
What's in the system

Not a bookkeeping tool.
A behaviour control layer.

Atlas doesn't replace Xero or your existing stack. It sits upstream of it — preventing messy inputs before they reach your accounting system, rather than cleaning them up after.

FeatureWithout AtlasWith AtlasWho benefits
Receipt captureClient remembers to send. Or doesn't.Intercepted from WhatsApp + email. Always.Practice
Bank matchingManual reconciliation by bookkeeper.Automated. Confidence-scored. Exceptions only.Practice
Client chasingCalls and emails. Unpaid time. Strained relationships.Automated WhatsApp nudges from your number. Loss-aversion framing.Practice + Client
MTD quarterly filingManual data assembly. Client contact. Last-minute panic.Pre-Flight Check + one-tap submission. You authorise. Atlas files.Practice
Tax set-asideClient spends HMRC's money. January crisis. You deal with the aftermath.Automatic VRP sweep to Tax Vault on every payment received.Client (+ your stress)
Compliance visibilityYou don't know how bad it is until they send you the records.Practice Dashboard. All clients ranked by ERC. Real time.Practice
Xero integrationData entry by your team from client records.Structured P&L pushed to Xero automatically. Chart of accounts preserved.Practice
HMRC ShieldAPI down on deadline day. Panic. Manual workarounds.Timestamped attempt. Auto-retry. Audit trail. Client never knows.Practice + Client
Audit trailFragmented. Hope you saved everything.UUID chain: bank ID → receipt → category → HMRC submission. 7-year retention.Both
Common Questions
The questions we're asked most often

Addressed directly.

"My clients aren't technical. They won't use another app.

They don't have to.Atlas requires zero action from your clients. They continue sending receipts to your WhatsApp number and email address exactly as they do today. The product is entirely invisible to them — by design. That's the architectural premise, not a workaround.

"I'm worried about the data. My clients' communications are confidential.

Atlas only processes what you designate.It connects to your practice WhatsApp Business number and your designated receipts inbox. It never accesses client-owned email accounts, personal inboxes, or any message thread outside the defined scope. Full data processing agreement provided.

"We already use Xero. Will this disrupt our workflow?

Atlas sits upstream of Xero, not alongside it.It pushes clean, categorised P&L data to Xero on your schedule. Your chart of accounts is preserved. Your Xero workflow is unchanged — except the data arriving into it is already reconciled, categorised, and digitally linked. Setup takes under 20 minutes.

"What if the HMRC API goes down on the deadline?

The HMRC Shield handles it.Atlas timestamps every submission attempt, retries automatically with exponential backoff, and maintains a tamper-proof audit log of the attempt. This log is available to present as a defence against any late-filing penalty. Your client never knows there was a problem.

"Will clients expect me to lower my fees?

The opposite tends to happen.When your year-end takes 40 minutes instead of 4 hours, you have a choice: charge the same (higher margin) or charge less and compete on price (retention). Most practices do the former. The freed capacity goes into advisory work — which commands a higher rate and deepens the client relationship.
In Their Words
"
I used to dread Dan's carrier bag. Now I get a clean P&L with every receipt attached and every bank transaction matched. I spend forty minutes on his year-end. The only thing I had to configure was his pension contribution — which took five minutes in Settings.
Kevin — Sole Practice Accountant50 sole trader clients · Bristol
"
Kevin told me I was on Atlas. I asked what I needed to do. He said nothing. I thought he was joking. That was six months ago. My tax is sorted, my receipts are filed, and I got £3,200 back in April I didn't know I'd over-saved. I've sent him two new clients since.
Dan — Self-employed Plumber£68k turnover · MTD ITSA mandate
Pricing
Practice pricing — billed per enrolled client

Priced to pay for itself
inside the first quarter.

At the rates your team currently spends on receipt reconstruction and quarterly chasing, Atlas pays for itself on your second enrolled client. Every client after that is margin.

Starter
Practice Foundation
£19
per enrolled client / month
  • ✓WhatsApp + email ingestion
  • ✓OCR + bank matching
  • ✓Practice Dashboard (up to 50 clients)
  • ✓MTD quarterly submission
  • ✓HMRC Shield
  • ✓Xero integration
  • ✓Tax Vault + Safe to Spend (client-facing)
  • ✓UUID audit trail (7-year retention)
Most Popular
Practice Pro
£29
per enrolled client / month
  • ✓Everything in Foundation
  • ✓Unlimited client register
  • ✓Configurable behaviour rules per client
  • ✓Batch resolution workflow
  • ✓Automated client nudges (configurable)
  • ✓Bottleneck visibility + escalation alerts
  • ✓ERC trend reporting
  • ✓Practice manager role + multi-user access
Enterprise
Practice Enterprise
—
Volume pricing · speak to us
  • ✓Everything in Pro
  • ✓Dedicated onboarding manager
  • ✓Custom behaviour rule templates
  • ✓API access for practice software integration
  • ✓SLA guarantee for MTD filing windows
  • ✓Custom DPA and data residency options
  • ✓Priority HMRC API support routing
  • ✓Quarterly practice performance review
Get Started

Your clients are already
sending you the data.
Let Atlas read it.

Setup takes under 20 minutes. Your clients change nothing. The first quarter will tell you everything you need to know.

Request a Practice Demo
No commitment. No client onboarding. 20-minute practice setup call.