We'd like to use Google Analytics cookies to see how our website is used. See our cookie notice.

Skip to content
Taxley.
Get started

Taxley guides

Clear answers for company tax questions.

Practical UK guides on Corporation Tax, CT600 filing, company accounts and Making Tax Digital. Built for directors who want the useful answer before the jargon.

Start your return See prices

Featured guide

Which guide should I read first?

Start with “Lost Companies House authentication code: how to get a new one”, our newest guide and a 13-minute read. All 90 guides are written from official sources such as legislation, HMRC manuals and GOV.UK guidance, link to them so you can check each figure, and show when they were last updated.

Opened envelope and a magnifying glass on a desk beside a tray of letters.
Accounts 13 min read

Lost Companies House authentication code: how to get a new one

How to get a lost Companies House authentication code posted again, how to get it sent to a home address, what to do when the accounts deadline is close, and why the 11-character personal code is a different thing.

Read guide

Accounts

17 guides
Open navy archive box of cream folders with one brass index tab raised and a coral clip, beside a sage ribbon.
15 min read

Company accounts FAQs: Companies House questions answered (2026)

Short, sourced answers to the questions directors ask most about company accounts at Companies House: deadlines, first accounts, late penalties, filing yourself, authentication codes, micro-entity, filleted and dormant accounts, year ends, audits, costs and the April 2028 changes.

Read guide
Three cream folders from thick to slim, with a coral bookmark in the middle one and a brass letter opener on the slimmest.
20 min read

Filleted vs abridged accounts: what small companies file

Filleted accounts leave out the profit and loss account; abridged accounts shrink the formats with every member's consent. What each type puts on the public register, what HMRC always receives, and the April 2028 changes.

Read guide
Open navy hardback book with a new cream insert page, a coral ribbon, a brass key and a sage leaf paperweight.
21 min read

FRS 102 changes from 2026: what small companies must do

The FRS 102 Periodic Review 2024 amendments apply to accounting periods beginning on or after 1 January 2026. What changes for small companies, with a worked office-lease illustration.

Read guide
Clipped stack of cream sheets with navy, sage, cream, brass and coral edge tabs beside a navy fountain pen.
22 min read

What goes in FRS 102 small company accounts? (Section 1A)

The parts of FRS 102 Section 1A small company accounts, the notes the law requires, the extra notes FRS 102 adds from 2026, and a worked Format 1 balance sheet.

Read guide
Brass hourglass with the sand run through beside four coin stacks rising in height to a coral token.
15 min read

Companies House late filing penalties 2026: costs, appeals

The four penalty bands, the doubling rule, what Companies House accepts on appeal and when you can get more time, with Taxley's worked example for a 31 March 2025 year end.

Read guide
Cream folder sliding into a navy filing drawer with a coral ribbon beside an open brass padlock.
17 min read

How to file company accounts with Companies House online

The deadline, the three filing routes open until April 2028, the 6-character authentication code, what goes on the public register, why accounts are rejected, and a worked timeline for a 31 March 2026 year end.

Read guide
Single small ruled card in a brass holder beside a tiny navy notebook and a coral paperclip.
17 min read

What goes in micro-entity accounts? (FRS 105, 2026)

What FRS 105 micro-entity accounts contain, which notes and statements the balance sheet carries, what Companies House and HMRC receive, with a worked example.

Read guide
Open ring binder with ruled pages beside three clipped stacks of receipts and a coral pencil.
16 min read

Doing your own limited company bookkeeping: what to keep

The records the Companies Act and HMRC require, how long to keep them, a monthly and year-end routine, and a table showing where each record ends up in the accounts and the CT600.

Read guide
Open bound set of accounts with coloured note tabs and a brass fountain pen across the pages.
16 min read

Accounting policies note for a small company (FRS 102 1A)

The notes a small company's FRS 102 Section 1A accounts must give, a sample accounting policies note to adapt, and example wording for the three optional notes.

Read guide
Paper accounts tray closing beside a laptop showing tagged digital accounts.
11 min read

Companies House software-only accounts filing from 1 April 2028

The Companies House accounts reforms start on 1 April 2028, not April 2027. WebFiling and paper close for accounts, abridged accounts end, and small companies must file a profit and loss account.

Read guide
An older and a newer ledger sheet standing side by side behind a level brass balance.
16 min read

Company accounts comparatives: how to enter last year's figures

Every set of company accounts except the first shows last year's figures. Where to find them, how to enter them in Taxley, and how to fix a last-year balance sheet that doesn't balance.

Read guide
Glass jar of brass coins with a few coins stepping down a paper ramp to two shareholder tokens.
17 min read

Retained earnings movement: dividends paid and other reserves

Retained earnings roll forward by profit after tax, less dividends, plus or minus any genuine reserve movement. Here's what to enter, and what each mismatch warning means.

Read guide
Open transfer case containing indexed records and continuing company schedules.
7 min read

Changing accountant? Build a company-tax handover pack

Request the records behind your company's last return before changing accountant or filing software. Includes a practical handover checklist.

Read guide
Uneven balance beam beside a ledger and magnifying glass for investigating a discrepancy.
8 min read

Company balance sheet does not balance? Check these first

Find a balance-sheet difference without inventing a balancing figure. Check opening balances, signs, profits, dividends and missing liabilities.

Read guide
Trial-balance columns connected to account categories with an unresolved entry set aside.
7 min read

Before importing a trial balance: a director's checklist

Check dates, signs, control balances and account mapping before importing a trial balance into accounts or CT600 software. Includes a reconciliation.

Read guide
March invoice linked across a year-end divider to a payment recorded in April.
6 min read

Unpaid invoices at company year end: why cash is not profit

Use an illustrative year-end example to understand debtors, unpaid bills and prepayments before preparing limited-company accounts and a CT600.

Read guide
Two document folders comparing account filing options
6 min read

FRS 105 vs FRS 102 §1A: which accounts to file

Two regimes cover almost every small company. FRS 105 is simpler; FRS 102 §1A shows more. Here's which one your company qualifies for — and the trade-offs.

Read guide

Corporation Tax

41 guides
Glass jar of coins with a small green sprout beside a blank bank statement and a pen.
12 min read

Company bank interest on the CT600: which box and how it's taxed

Where a company's bank interest goes on the Company Tax Return (CT600), why it's a non-trading loan relationship credit, how it's taxed even without a trade, and two worked examples.

Read guide
Blank letter sliding out of a navy envelope next to a letter opener and a desk calendar.
14 min read

CT41G letter from HMRC: what it is and what to do next

What the CT41G letter is, what to do once it arrives, how it differs from the CT603 notice to deliver a return, and a worked timeline from incorporation to the first CT600 and payment.

Read guide
Empty brass coin tray beside an open blank ledger and a healthy green plant.
11 min read

Company with no income but not dormant: do you file a CT600?

Why a company with no income can still be active for Corporation Tax, when it must file a Company Tax Return (CT600), which boxes show the costs and the loss, and how bank interest changes things.

Read guide
Rows of cream and navy cards on a stone table with one card standing in a brass holder, marked by a coral pin.
19 min read

Corporation Tax FAQs: 16 questions UK directors ask (2026)

A question-and-answer hub for UK company directors: 2026/27 Corporation Tax rates, payment and CT600 deadlines, late interest, losses, dividends, s455, iXBRL, records and filing without an accountant, each linked to a deeper guide.

Read guide
Three overlapping brass rings of different sizes with a coral bead where they meet, above a navy ribbon.
20 min read

Accounting period vs financial year vs tax year: explained

The date terms a UK company works to, side by side: period of account, accounting reference date, accounting period, Corporation Tax financial year and tax year, with a worked 30 June year end.

Read guide
Brass hourglass just turned upright on a navy stone base, beside an open ledger with a coral ribbon and a sage cloth pulled back.
12 min read

My dormant company has started trading: what now?

What to do when a dormant limited company starts trading again: telling HMRC within 3 months, the new accounting period, the first CT600 and Corporation Tax payment, Companies House accounts, and VAT and PAYE.

Read guide
Four blank cards stepping down in size above a brass abacus, with a coral bead on the smallest card.
14 min read

How to calculate Corporation Tax, step by step (2026)

A worked example takes £60,000 of accounts profit to £59,000 of taxable profit and £11,885 of Corporation Tax, with marginal relief, in seven steps.

Read guide
Brass bowl of coins beside two equal coin stacks in front of two navy tokens and a tied paper slip.
18 min read

How to pay a dividend from a limited company, step by step

The seven steps to paying a lawful dividend from a UK limited company, with a board minute, a written resolution and a dividend voucher template, and a £30,000 worked example.

Read guide
Small sage house token and a taller navy building block balanced level on a brass beam with a coral ball.
17 min read

Sole trader vs limited company: tax compared (2026/27)

Which structure pays less tax in 2026/27? A worked £50,000 comparison, the non-tax differences, and the steps for moving a sole trade into a company.

Read guide
Brass coins sliding from a navy envelope back into a sage dish under a curved brass arrow.
19 min read

Corporation Tax repayment: how long it takes, how to claim

What HMRC actually says about repayment times, the CT600 boxes that claim a refund, a worked £2,000 interest example and the reasons repayments are held.

Read guide
Payroll summary and dividend voucher being compared against one company budget.
7 min read

Salary or dividends in 2026/27: how should a company director pay themselves?

Compare salary and dividends using the same company budget, including 2026/27 dividend tax, employer National Insurance and Employment Allowance.

Read guide
Electric car charging outside a small business while a director reviews a vehicle quote.
8 min read

Buying an electric car through a limited company: what is the real tax cost?

Compare the company and director costs of an electric car, including capital allowances, 2026/27 benefit in kind, employer NI, VAT and resale.

Read guide
Company owner sorting invoices into running costs, assets and reimbursements.
8 min read

What expenses can a limited company claim? A practical UK checklist

Check which limited-company costs can reduce Corporation Tax, what evidence to keep, and how to separate everyday expenses, assets and personal payments.

Read guide
Director checking a company pension payment against the business year-end calendar.
7 min read

Can my limited company pay into my pension? Tax relief and limits explained

See how company pension contributions work, when Corporation Tax relief arises, how personal allowances apply and what a £10,000 payment could cost.

Read guide
Company director working at home with an energy statement and work diary.
7 min read

Working from home through a limited company: what can directors claim in 2026/27?

Understand company-paid homeworking expenses, the £6 weekly allowance, evidence for higher costs and the personal tax-relief change from April 2026.

Read guide
Model laptop, desk and van on brass trays of different depths beside a folded paper schedule.
19 min read

How to claim capital allowances for a limited company in 2026

A company claims capital allowances on its CT600 instead of deducting depreciation. Here are the 2026 rates, how a balancing charge works, and what to type in Taxley's capital allowances boxes.

Read guide
Model apartment building and share certificates beside brass bars rising from purchase to sale.
11 min read

How is a limited company taxed when it sells property?

No Capital Gains Tax, no £3,000 allowance, and indexation that stops at December 2017. How a company's gain on property or shares is worked out, taxed and reported, with a 2026 worked example.

Read guide
Stack of profit sheets passing through a brass sieve that catches coral slips, leaving a smaller navy stack.
19 min read

Disallowable expenses for Corporation Tax: adjustments explained

Accounts profit becomes taxable profit by adding back depreciation and disallowable costs such as client entertaining, then deducting capital allowances and losses. Here's what counts, and what to type in Taxley.

Read guide
Brass signpost pointing to a rental house with digital records and a company with its own tax folder.
9 min read

Does Making Tax Digital apply to limited companies?

MTD for Income Tax covers sole traders and landlords, not companies. Here is what a limited company files, where MTD for VAT applies, and HMRC's position on Corporation Tax.

Read guide
Company building tied by a ribbon to a director token, with a loan card and a clipped supplementary sheet.
16 min read

How to fill in a director's loan on a company tax return (CT600A)

A box-by-box walk-through of the director's loan question and CT600A panel: which answer to pick, what to type for each borrower, how a £6,000 repayment cuts s455 tax from £6,075 to £4,050, and the s413 note.

Read guide
Payment slip with a reference strip posted into a brass box beside a card and a calendar.
13 min read

How to pay Corporation Tax: reference, deadline and methods

Corporation Tax is due 9 months and 1 day after the accounting period ends, before the CT600 is due. How to find the payment reference, which method clears in time, and what paying late costs in 2026.

Read guide
Last year's envelope on a navy ledger with a brass arrow carrying it onto this year's ledger beside coins.
20 min read

Trading losses brought forward: Corporation Tax and CT600 box 285

A trading loss brought forward is last year's unused tax loss. Here's how Corporation Tax relieves it, which CT600 box it goes in, and exactly what to type in Taxley's Trading losses box.

Read guide
Supplementary page clipped to a tax return, with a loan note tied between a director token and a company.
13 min read

What is a CT600A? Director's loans and s455 tax in 2026

The CT600A works out section 455 tax on a director's loan still owed at the year end. The 2026 rates, the 9-month rule, bed-and-breakfasting, relief and a worked example.

Read guide
Stepped reconciliation model linking accounting profit and taxable profit.
6 min read

Accounting profit vs taxable profit: a CT600 example

Why does your CT600 profit differ from your accounts? Follow a labelled example showing depreciation, disallowed expenses and capital allowances.

Read guide
Two company models connected to one shared control point beside a divided measuring bar.
6 min read

Associated companies: check your Corporation Tax thresholds

Owning another company can reduce your Corporation Tax profit limits. Use a worked threshold example and gather the right control information.

Read guide
Client-meal and staff-event place settings beside separate tax-review tabs.
6 min read

Client entertaining or staff party? Separate the tax checks

Distinguish client hospitality from staff entertaining, understand why the £150 exemption is a separate test, and keep useful expense evidence.

Read guide
Pre-launch receipts and payer records arranged before a trading-start marker.
8 min read

Company pre-trading expenses: check the payer and the purpose

Sort pre-trading company costs into revenue, capital and later-period items, and build the evidence needed before claiming Corporation Tax relief.

Read guide
Original and revised returns with a changed entry highlighted under a comparison overlay.
8 min read

Found a CT600 mistake after filing? What to check next

Work out whether you need to amend a filed Company Tax Return, correct accounts or resolve a failed submission. Includes an amendment evidence checklist.

Read guide
Opposing arrows between a company model and a director token, with a transaction ledger.
6 min read

Director's loan account: does the company owe you?

Reconcile a director's loan account, distinguish company funding from personal withdrawals, and spot when an overdrawn balance needs tax advice.

Read guide
Dividend paperwork and shareholder tokens separated from operating-expense receipts.
5 min read

Are dividends a Corporation Tax expense?

Dividends do not reduce Corporation Tax. Learn how to separate dividends, salary, reimbursements and director-loan movements in your records.

Read guide
Workshop drill beside a purchase invoice and separate accounting and tax schedules.
6 min read

Company equipment: expense or capital allowance?

Bought equipment through your company? Separate the invoice, accounting treatment and capital-allowance decision before preparing your CT600.

Read guide
One accounts timeline covering a long first tax-return period followed by a short second period.
7 min read

First company accounts: why you may need two CT600s

First accounts longer than 12 months? Understand the two CT600 periods, check your trading start date and prepare a clear filing plan.

Read guide
Loss schedule separating claimed amounts from a remaining unused balance.
8 min read

Company made a loss? Your CT600 still needs a loss schedule

Understand why a loss-making company may still need a CT600, how tax losses differ from accounts losses, and what to record before claiming relief.

Read guide
Calendar, clock and document folder illustrating a late CT600
6 min read

What happens if you file your CT600 late?

A late CT600 triggers an automatic penalty the day it's overdue — and it grows. Here's the full penalty schedule, the repeat-offender rule, and how paying late is charged separately.

Read guide
Reference envelope, magnifying glass and secure identity card
6 min read

What is a UTR and where do I find it?

Your UTR is the 10-digit reference HMRC uses to identify your company for tax. Here's exactly where to find it — and what to do if you can't.

Read guide
Tax return checklist with a pen and calculator
11 min read

How to file a CT600 yourself (without an accountant)

You can file your own CT600 — many small companies do. Here's exactly what you need, the steps in order, and where the process trips people up.

Read guide
Model rental homes with tenancy papers and keys
14 min read

Corporation Tax for a property (rental) company

Hold your rentals in a limited company? You pay Corporation Tax on the rental profit — and file a CT600 with iXBRL accounts. Here's the whole process in plain English.

Read guide
Closed ledger and blank papers representing a dormant company
10 min read

How to file a dormant company tax return

Dormant doesn't always mean 'do nothing'. If HMRC sent a notice to deliver a return, you still file a nil CT600. Here's what dormant means and how to file it.

Read guide
Prepared tax document with filing folder and forward arrow
5 min read

What is a CT600 and how do you file one?

The CT600 is the form HMRC uses to assess your Corporation Tax — but it's only part of what you file. Here's the whole picture, in plain English.

Read guide
Calendar with key Corporation Tax dates circled
6 min read

Corporation Tax deadlines: when to pay and file

Paying and filing are two different deadlines — and the payment one comes first. Here's exactly when each falls and what happens if you miss them.

Read guide
Balance scale showing tax rate thresholds
6 min read

Corporation Tax rates and marginal relief 2026/27

19% up to £50,000, 25% above £250,000, and a tapered rate in between. Here's how the small profits rate and marginal relief actually work — with the numbers.

Read guide

Filing

26 guides
Navy filing folder beside an open brass padlock and a key that does not fit, with a returned envelope.
15 min read

CT600 rejected by HMRC with error 1046: how to fix it

A rejected Company Tax Return (CT600) isn't filed. What HMRC's error 1046 sign-in failure means and how to fix it, a decision table for HMRC's other rejection codes, and why error 3304 needs a check with HMRC before you send anything again.

Read guide
Finished document in a clipped folder beside a blank form on a tray, linked by a brass ruler.
13 min read

Already filed accounts at Companies House? How to file your CT600

Filing accounts at Companies House doesn't file your Company Tax Return. Which accounts HMRC needs when you filed filleted, micro-entity or abridged accounts, how to build the CT600 package, and a dated example.

Read guide
Brass key and navy key fob resting on a blank login card next to a closed padlock.
13 min read

What is my Government Gateway user ID for Corporation Tax?

The Government Gateway user ID that files a company's CT600: what it looks like, why it isn't your email address, where to find a lost one, company versus agent sign-ins, and where GOV.UK One Login fits.

Read guide
Cream receipt card with an embossed tick in a brass holder beside a ribboned envelope.
11 min read

How do I know HMRC has received my CT600?

How to tell whether HMRC has your Company Tax Return (CT600): the gateway's first acknowledgement versus HMRC's acceptance and receipt, what acceptance doesn't mean, where to check, and what to do if no confirmation arrives.

Read guide
Row of navy folders with coral tabs standing in order in a brass file sorter.
14 min read

Several overdue CT600 returns: which should you file first?

When several years of Company Tax Returns are overdue, the order matters: each return has its own penalties, losses carry forward and some deadlines are closer than others. A decision table and a worked example.

Read guide
Brass desk lamp lighting a blank cream document with a navy magnifying glass and a coral bookmark beside it.
20 min read

Can AI do my company tax return? ChatGPT and CT600 FAQs

Straight answers on using ChatGPT, Claude, Gemini or Copilot for a UK Company Tax Return (CT600): filing, accounts, penalties, data safety, HMRC's own AI guidelines and how to check an AI tax answer.

Read guide
Navy folder with two cream sheets clipped to it by a brass paperclip carrying a small coral tag.
14 min read

Attaching supporting documents to your CT600: what and how

Which supporting documents belong with a Company Tax Return (CT600) as PDFs and which don't, HMRC's limits, the group relief consent notice, and how to attach one in Taxley.

Read guide
Blank desk calendar beside a navy track with a brass slider and a coral pin marking a new position.
17 min read

Changing your company year end (AA01): what happens to tax

How to change a company's accounting reference date on form AA01, and what it does to Corporation Tax periods, payment dates and CT600 deadlines, with two worked 2026 timelines.

Read guide
Tall banded stack of navy and cream books balanced on a brass scale by one small coral weight.
14 min read

Cheap CT600 software for small companies (FRS 102), 2026

Few low-cost CT600 products publish a price for FRS 102 Section 1A accounts. Who needs them, what the software must file, and five published prices compared.

Read guide
Cream folder tucked under a sage blanket with a coral sleep mask and one brass coin beside it.
13 min read

Cheapest way to file a dormant company's return (2026)

What a dormant company must file, which parts are free, and what each way of filing costs: published prices by product type, checked 27 September 2026.

Read guide
Thick bundle of envelopes tied with navy cord beside one slim clipped envelope and a coral pencil.
14 min read

How much does an accountant charge a limited company? (2026)

Price lists from 11 UK accountancy firms, checked 28 September 2026: what each fee covers, what pushes it up, and a worked yearly cost against software.

Read guide
Brass magnifying glass inspecting an open cream box beside a blank checklist card and a coral shield.
16 min read

Is cheap CT600 software safe? What to check before you pay

A low price isn't the risk; missing scope is. An 11-point checklist for CT600 software, the warning signs from our 27 September 2026 price check, and what HMRC's list means.

Read guide
Navy tray with five compartments holding a coin, a letter, a key tag, a stamp and a coral token.
15 min read

Limited company running costs: what you pay each year (2026)

The full yearly compliance bill for a small limited company: the statutory fees you can't avoid, the services you can do yourself, and a worked example.

Read guide
Brass tweezers lifting one coral tile back into a tray of neatly ordered cream tiles.
14 min read

Common CT600 mistakes when you file it yourself

Nine Company Tax Return mistakes, each with the tax or rejection it causes, how to spot it and how to fix it, plus what Taxley's own unfinished returns show.

Read guide
Sealed envelope with a brass key resting on it beside a small open lockbox holding a blank card.
15 min read

Corporation Tax activation code: get set up to file yourself

Filing your own CT600 needs the company's own HMRC login with Corporation Tax added, and the activation code only comes by post. The steps, which code is which, and the latest safe date to start.

Read guide
Navy ledger tied with a ribbon beside a blank desk calendar and a row of brass ticks ending at a coral flag.
15 min read

Limited company year-end checklist (without an accountant)

Everything a director does between the last day of the financial year and the last filing: closing the books, year-end checks, accounts, Corporation Tax, the CT600 and the director's own deadlines, with a worked calendar for a 31 March 2026 year end.

Read guide
Single brass pawn standing on a navy notebook beside a closed laptop, a plant and a coral mug.
17 min read

One-person limited company without an accountant: what to do

Every yearly job for a sole director-shareholder company: who it goes to, the 2026–27 dates, and the cases where an accountant earns the fee.

Read guide
Five tagged software boxes of different sizes lined up behind a brass measuring rule.
20 min read

Best CT600 filing software in the UK (2026): how to choose

A CT600 software buyer's guide from a vendor that says so: the main types of product, what each prepares, which file accounts to Companies House and what to check.

Read guide
Form with a column of empty tick boxes beside a coral pen and a brass magnifying glass.
17 min read

CT600 tick boxes 38 to 75: when to tick each one in 2026

A deep dive on the CT600's nine 'About this return' tick boxes: a one-line test for when to tick each of boxes 38 to 75, an example, and what Taxley does next.

Read guide
Company building with shutters down behind a final bundle of papers tied with ribbon and a key.
12 min read

Final CT600 when closing a limited company: steps and dates

The final accounting period ends the day trading stops. What HMRC and Companies House each need, in what order, with a worked 2026 example.

Read guide
Tax return form with a brass price tag beside three coin stacks of different heights.
12 min read

How much does it cost to file a CT600 in 2026?

There's no single price for a CT600. The total cost by route (CT600-only software, all-in-one software or an accountant), plus the fees and penalties.

Read guide
Archived submission receipt beside unfinished payment and company-filing checks.
7 min read

Your CT600 was accepted: what should you do next?

An HMRC receipt is not approval of your tax figures. Save the filed pack, check payment separately and finish your company's other filing tasks.

Read guide
Three separate company-filing booklets with their own deadline markers.
6 min read

CT600, annual accounts or confirmation statement?

Understand the three company filings directors often confuse, who receives each one and how to track completion without missing a separate task.

Read guide
Closed filing-service shutter with an arrow toward three software options.
10 min read

Free HMRC CT600 filing has closed: what to use now

Replacing HMRC's closed company filing service? Check accounts, computations, filing scope and total costs before choosing CT600 software.

Read guide
Readable accounts beneath a transparent layer with tags aligned to financial data.
6 min read

iXBRL accounts for a CT600: what to check beyond the PDF

Understand the difference between a PDF and iXBRL accounts, then review the company, dates, figures and filing package before submitting a CT600.

Read guide
Two filing paths showing simple and detailed CT600 approaches
5 min read

Simple vs box-by-box CT600 filing: which to use

A guided form is faster; a box-by-box editor gives accountant-level control. Here's how the two approaches differ — and how to choose.

Read guide

Making Tax Digital

5 guides
Rental house model beside a digital records grid
5 min read

MTD for landlords: what property owners must do from April 2026

Landlords must check gross property income, joint ownership shares and any self-employment income against the MTD thresholds.

Read guide
Calendar, alert markers and ledger illustrating missed deadlines
5 min read

MTD penalties: what happens if you miss a deadline?

MTD late submissions use points, with £200 penalties at the threshold, while late-payment penalties change after the first MTD year.

Read guide
Quarterly reporting cycle leading to a document folder
5 min read

MTD quarterly updates: dates, deadlines and what to send

MTD quarterly updates are cumulative year-to-date totals, due four times a year, with the same deadlines under standard or calendar quarters.

Read guide
Paper ledger connecting to a digital records grid
5 min read

What is Making Tax Digital for Income Tax?

Making Tax Digital for Income Tax means digital records, quarterly updates, and a final declaration for mandated sole traders and landlords.

Read guide
Eligibility gate between business records and an exemption folder
5 min read

Who has to use MTD for Income Tax — and who is exempt?

MTD for Income Tax applies by qualifying income threshold, with automatic and applied exemptions for specific cases.

Read guide

When you are ready

Prepare your return with confidence.

Taxley turns your figures into a CT600, iXBRL accounts and computations. You see your Corporation Tax before you pay.

Start your return