The whole practice, from first enquiry to filed return.
Maddiq brings your clients, your books and your returns into one place, built by a practising accountant for UK firms. Nicai, its assistant, does the chasing and drafting so you can do the advising.
Free while we are in early access. No card needed.
A client’s journey through Maddiq
Each stop shows what Maddiq actually produces. The reminders, drafts and checks in between happen for you.
Enquiry
A lead lands on your pipeline board, and Maddiq notices when it has gone quiet.
Hartley Joinery Ltd
New enquiry, £2,400 a year
12 days in this stage: follow up
Quote
Describe the prospect and Nicai drafts the quote from your own services and prices.
Quote for Hartley Joinery Ltd
Annual accounts£850 a year
VAT returns£100 a quarter
Payroll, 2 × £8£16 a month
Signed
Accepting the quote sends your engagement letter and terms, signed online with full evidence.
Signature certificate
Signed by Sam Hartley
29 September 2026, 10:14
Fingerprint 9f2c41ab7e03d5…
Checked
Identity and anti-money laundering checks, recorded to the 2017 Regulations, before work starts.
Anti-money laundering check
Beneficial owners verified: 2 of 2
PEP and sanctions checked
Risk standard, next review in 2 years
Books
Bank lines, bills and invoices kept in double entry, with prepayments spread for you.
Annual insurance, £1,200
Spread April to March
£98.63 in April, £101.92 in May…
Prepayment at 30 June: £900.82
Returns
VAT, accounts and corporation tax prepared from the books, checked before you approve.
VAT return, April to June
Box 5, VAT due£4,286.40
Agrees with the VAT account to the penny
One system instead of five
CRM, practice management, bookkeeping, returns and an assistant, sharing the same clients and the same figures.
Winning and onboarding clients
- Pipeline board with conversion and time in each stage
- Quotes drafted by Nicai from your own prices
- Engagement letters and terms of business, checked against the rules that apply, with your cover page
- Online signing with a certificate, including consumers’ cancellation rights
- Onboarding checklist with anti-money laundering checks
- Automatic reminders for quotes, signatures and identity documents
Running the practice
- Clients, contacts, deadlines and tasks in one place
- Details filled from Companies House
- Time on each client by person and service, with fee per hour
- Branches for firms with more than one office
- A client portal for documents and requests
Books and returns
- Double-entry bookkeeping, bank reconciliation and receipt capture
- VAT under Making Tax Digital, checked against the VAT account
- Accounts production and the corporation tax computation with the official CT600
- Payroll calculated to HMRC’s own test cases
- Personal tax for every section of the return
Nicai, the assistant who knows your practice
- Ask what needs doing today, who to chase, or how the pipeline is doing
- Inside a client, answers from their own figures and HMRC’s guidance
- On your quotes and signing pages, explains your documents to prospects
- Says when she cannot help, and passes the question to you
Ask Nicai what needs doing
She reads your deadlines, pipeline, quotes and onboarding, and answers with your own figures and a link to each one. Inside a client she works from their books and HMRC’s guidance. She never changes anything, and she says so when she cannot help.
What needs doing today?
Overdue first
Hartley Joinery Ltd: VAT return due 7 September.
Coming up
Brook & Sons Ltd: accounts due tomorrow. Mere Street Dental: confirmation statement due 5 October.
One lead has been in New enquiry for 52 days. Worth a call or closing it.
Every section of the personal tax return
Most software handles the common cases and leaves the rest to a spreadsheet. Maddiq covers these, and clients can complete their part in plain language.
- Employment
- Pay, tax, benefits in kind, redundancy payments, student loan deductions
- Dividends
- UK, director and foreign dividends
- Property
- UK and foreign property, year-end adjustments
- Savings and investments
- UK accounts, foreign interest
- Capital gains
- Shares and other assets, cost itemisation, calculated for you
- Foreign income
- Earnings, pensions, Foreign Tax Credit Relief
- Reliefs and charges
- Pension contributions, Gift Aid, the Child Benefit charge
Where filing stands
- VAT and Income Tax (Making Tax Digital)
- Proven end to end in HMRC’s test environment. Recognition for live filing is in progress.
- Corporation tax
- The CT600 is prepared on HMRC’s official form and in HMRC’s XML, checked against HMRC’s own rules. Direct filing is in progress with HMRC.
- Payroll
- Calculated to HMRC’s own test cases. Real Time Information filing is next.
Built by an accountant
Maddiq is built and used every day by a practising UK accountant, on a real firm’s real clients.
Readable by design
Strong contrast, clear type and layouts that hold up when you zoom in, for people other software leaves out.
Your data, kept properly
Held in Ireland under UK GDPR, each firm separated from every other, and never used to train AI models.
Bring your practice into one place
Free while we are in early access. Start with one client and see how it feels.