Kofolio blog
Plain guides for UK company directors: company numbers, UTRs, VAT and PAYE references, and deadlines.
- Accounts Office reference number: format and where to find
Your Accounts Office reference number has 13 characters and is the payment reference for PAYE. See the format, where to find it and how to use it.
- Companies House ID verification: what directors must do
Companies House ID verification is a legal requirement for directors and PSCs. See who must verify, when, and how to verify through GOV.UK One Login for free.
- Company number lookup: find a UK company's number
A company number lookup uses the Companies House register. See how to find a UK company's number, what else the page shows and what to check.
- Confirmation statement due date: how to find yours
Your confirmation statement due date is up to 14 days after the review period ends. See where to find it, how early filing works and the accounts deadline.
- HMRC payment deadlines: when to pay each bill
HMRC payment deadlines for a UK limited company and its director in one list: VAT, Corporation Tax, Self Assessment, PAYE and Class 1A National Insurance.
- VAT return deadlines: how to work out yours
VAT return deadlines are usually one calendar month and 7 days after your accounting period ends, and payment is due the same day. See worked dates.
- Companies House authentication code: where to find it
Your Companies House authentication code is a six-character code posted to your registered office. What it is, how it arrives and what to do if you lose it.
- Company UTR number: where to find it and how to get it
A company UTR number is the number HMRC gives a limited company for Corporation Tax. Where to find it, how to request it if it is lost and where to keep it.
- Corporation Tax due date: how to work out yours
Corporation Tax is due 9 months and 1 day after your accounting period ends, and the Company Tax Return is due after 12 months. Worked examples and the rules.
- Limited company numbers explained: what each one is
A plain glossary of the numbers a UK limited company has: company number, UTR, VAT number, PAYE reference, EORI and more. What each is, where to find it.
- PAYE reference number vs Accounts Office reference
A PAYE reference number looks like 123/AB456. An Accounts Office reference has 13 characters. See how they differ, where to find each and which one to use.
- VAT number format UK: nine digits, with or without GB
The VAT number format UK businesses use is nine digits, often written with GB in front. See the ways to write it, where to find it and how to check it is valid.