01Move
DNA dimensions
Active client count, retainer MRR, average client value, hours-per-client, churn rate, MTD readiness, late-filing rate and review velocity on Google + AccountingWEB.
All playbooksServices
Bookkeeper playbook.
An ICB / AAT-qualified London bookkeeper running monthly compliance + management accounts for 30–80 SME clients. The win is moving from hourly billing to fixed-fee monthly retainers and automating data capture so each client takes <2 hours per month.
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Overview
A London bookkeeper running solo typically manages 30–55 clients at £150–£420 per client per month (£6k–£18k MRR). With one part-time junior the practice can hold 70–110 clients (£14k–£35k MRR). The single biggest economic lever is fixed-fee pricing — hourly billing caps margin at 35–45%, while fixed-fee + automation pushes it to 55–70%. The second lever is being MTD ITSA-ready by April 2026: the first 950k self-employed taxpayers (£50k+ turnover) need quarterly digital filings, and bookkeepers who lock these clients in 2025 win 5-year LTVs. This playbook covers operationalising a London bookkeeping practice — qualifications, AML supervision, software stack, pricing tiers and the month-end pipeline.
£120–£480 / mo
Avg retainer per client
<2 / month
Hours per client
5 working days
Month-end close
What you'll need
Equipment list with real 2026 UK prices.
Sized for a 2–4 chair shop. Buy mid-range on chairs and clippers; cheap kit fails inside 12 months and walks away with your barbers.
01
Workstation + comms
Laptop + dock + dual 27" monitors
£1,800–£2,800
Headset + 4K webcam for client calls
£180–£420
Document scanner (Fujitsu ScanSnap iX1600)
£420–£480
Lockable filing cabinet (AML 6-year retention)
£140–£320
02
Core software stack
Xero Partner (free tier) + client licences (passed through)
£0 + £15–£70 / client / month
QuickBooks ProAdvisor (free) + client licences
£0 + £14–£70 / client / month
Dext / Hubdoc receipt capture
£18–£32 / client / month
Karbon / Ignition (proposals + workflows)
£59–£99 / user / month
Practice management (BrightManager / Senta)
£35–£75 / user / month
GoCardless + Stripe for recurring fee collection
1% + 20p per fee
03
Compliance + insurance
ICB / AAT / IFA membership + practising licence
£280–£480 / yr
AML supervision (via ICB/AAT or HMRC)
£140–£300 / yr
Professional indemnity insurance £250k–£1m
£280–£640 / yr
Cyber insurance + secure client portal
£180–£420 / yr
Where to set up
Location is half the business.
Local SME density
5k+ businesses within 5 miles
Bookkeepers win 60–80% of clients through local search + referrals; density drives both.
Accountant-partner network
10+ small London accountancy firms
Accountants outsource bookkeeping when their headcount caps — partner referrals unlock 30%+ of pipeline.
Workspace
Home office or quiet co-working corner
Client visits are <10% post-COVID; a polished video-call backdrop matters more than a high-street office.
MTD-ITSA target postcodes
W1, EC1, SW3, SW6, NW8
High concentration of £50k+ self-employed consultants who must comply with MTD ITSA April 2026.
Area tier
Rent / month
Notes
Home office (any borough)
£0 + utilities
Lowest cost base; perfectly viable for 30–80 clients via Zoom + cloud stack.
Co-working hot-desk (Zones 2–3)
£180–£420 / desk
Useful for client-facing meetings and structured work-day; WeWork / Mainyard / Second Home.
Serviced office (suburban high street)
£600–£1,400
Only justified if walk-in trade or shared accountancy practice is part of model.
Licences & registrations
Get the paperwork done before you sign a lease.
UK figures for 2026. Lead times assume you submit complete applications — councils will pause the clock if you miss documents.
Requirement
Who issues
Cost
Lead time
ReqICB / AAT / IFA practising membership
ICB / AAT / IFA
£280–£480 / yr
2–4 weeks
ReqAML supervision (HMRC, ICB, AAT or IFA)
Supervisor body
£140–£300 / yr
2–6 weeks
ReqICO data-protection registration
ICO
£40 / yr
1 day
ReqProfessional indemnity insurance
PolicyBee / Hiscox / Trafalgar
£280–£640 / yr
1 day
ReqHMRC Agent Services Account (MTD VAT + ITSA)
HMRC
£0
1–2 weeks
OptCompanies House Ltd / LLP setup (optional)
Companies House
£100
Usually 24 hours
Build-out timeline
From decision to open in 12 weeks.
01
Weeks 1–4 · Qualify + register
1–4- Confirm ICB/AAT level + apply for practising licence
- Secure AML supervision + PII + ICO registration
- Apply for HMRC Agent Services Account
- Set up Xero + QuickBooks ProAdvisor accounts
02
Weeks 5–8 · Stack + pricing
5–8- Productise 3 tiers (Essentials £150 / Growth £290 / Premium £480 per month)
- Stand up Karbon / Ignition for proposals + engagement letters
- Build month-end checklist template + Dext workflow per client type
- Set up GoCardless for fee collection on the 1st of each month
03
Weeks 9–16 · First 10 clients
9–16- Target 10 fixed-fee clients (£1,800–£4,200 MRR)
- Migrate any inherited spreadsheet clients to Xero/QB + Dext
- Run first 5-day month-end close with management accounts pack
- Stand up review-request automation post first delivered close
04
Months 5–12 · Scale to 40+ clients
17–52- Sub-contract junior bookkeeper (FT or fractional @ £18–£28/hr)
- Launch MTD ITSA onboarding offer for £50k+ self-employed
- Sign 2–3 accountancy-firm white-label referral partners
- Quarterly tier-pricing review + at-risk client check-in
Budget
Realistic startup and monthly cost ranges.
One-off · Startup
Setting up the shop
Workstation + dual monitors + scanner
£2,200 → £3,600
ICB/AAT licence + AML + PII + ICO (yr 1)
£740 → £1,460
Branding + site + proposal templates
£600 → £2,200
Karbon / Ignition setup + 3 months prepaid
£300 → £800
Marketing launch (Google Ads + AccountingWEB)
£600 → £1,800
Typical total
£4,440 – £9,860
Recurring · Monthly
Keeping the lights on
Practice management + proposals
£94 → £174
Dext / Hubdoc (per active client, avg)
£140 → £420
Insurance (amortised)
£40 → £90
AML supervision + ICO (amortised)
£15 → £35
Google Ads + local SEO
£200 → £900
Sub-contract junior (per active month)
£0 → £2,800
Typical total
£489 – £4,419
Numbers that compound
How a bookkeeper actually looks on a chart.
Illustrative planning ranges, not measured customer data. Toggle the views to see ramp, mix and weekly load.
12-month revenue ramp
Low vs high scenario (£ monthly)
High Low
Illustrative example for planning, not measured customer data.
First 90 days
Dates that actually matter after opening.
01Day 0
Apply for ICB/AAT practising licence + AML supervision
02Day 7
PII + ICO live; HMRC Agent Services Account applied
03Day 21
Xero + QB ProAdvisor + Karbon set up with 3-tier pricing
04Day 35
First fixed-fee proposal sent via Ignition + GoCardless
05Day 60
3–5 paying clients onboarded with Dext + month-end checklist
06Day 90
First 5-day month-end close shipped; MRR £900–£2,400
What's inside
DNA, route, automations, integrations, benchmarks, advisors — tuned for a bookkeeper.
02Move
Suggested route
Migrate every client to fixed-fee tiered pricing, standardise on Xero/QuickBooks + Dext/Hubdoc, build a 5-day month-end close, then pre-sell MTD ITSA onboarding for the April 2026 mandate.
03Move
Automations
Bank feeds → AI categorisation, Dext receipt OCR → ledger, weekly client checklist nudge, month-end close pack auto-generated, VAT-due reminder 14 days before deadline.
04Move
Integrations
Xero + QuickBooks + FreeAgent, Dext / Hubdoc, GoCardless + Stripe (recurring fees), Karbon / Ignition for proposals + engagement letters, HMRC MTD VAT + ITSA gateways.
05Move
Benchmarks
MRR per FTE, hours-per-client and churn rate vs UK ICB/AAT bookkeepers in the same client-size band, refreshed monthly.
06Move
Advisors
Encore advisors who have built and sold 200+ client bookkeeping practices, plus NAVIZIX AI for weekly capacity + cash-flow projection.
Stack
Modules used in this playbook.
01DNA Engine02Route Map03Launch Twin04Automation05Verified06Encore
Related playbooks
Owners of a bookkeeper often run — or cross-sell with — these adjacent operations.
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