TAX YEAR CALENDAR

Tax year calendar for 2024/25

April 6, 2024: First day of the new tax year 2024/25.

April 5, 2025: Last day of the tax year 2024/25.

May 3, 2025: Deadline for issuing P60 documents for the 2024/25 tax year to employees.

July 6, 2025: P11D documents for the 2024/25 tax year issued to employees who received additional benefits, such as a company car or private health insurance.

5 October 2025: The last day to register for Self-Assessment if you started self-employment or, for any other reason (e.g. profit from capital gains, income from property rental, etc.), are required to file a tax return for income earned during the 2024–25 tax year.

31 October 2025: The final deadline for submitting your Self-Assessment tax return for the 2024–25 tax year in paper form.

31 January 2026: The final deadline for filing your online Tax Return for the 2024–25 tax year. An automatic £100 penalty will be charged to those who miss the deadline.

31 January 2026: The final deadline for paying any tax due for the 2024–25 tax year. Interest will be charged on unpaid tax at a rate of 4% above the Bank of England base rate. A separate late payment penalty of 5% will also be applied to any outstanding tax after 30, 60, and 365 days past the due date.

Start your
OWN COMPANY

If you are thinking about starting your own business, first you need to decide whether you will become self-employed or set up a Limited Liability Company- Ltd.

Ask us for advice if you have doubts which alternative is best for you!

  
     Excellent rating  
 Based on 18 reviews 
     
  
 
 
       Całym sercem polecam tę firmę! :) Biuro podatkowe zapewnia profesjonalną i rzetelną obsługę. Pracownicy są kompetentni i zawsze dostępni, aby odpowiedzieć na pytania i pomóc w rozwiązywaniu problemów. Dzięki ich terminowości i zaangażowaniu mogłam być spokojna o sprawy podatkowe. Sprawy, które trwały u innej firmy latami, tutaj zostały zamknięte bardzo szybko z pozytywnym skutkiem. Najlepsze biuro z jakim się spotkałam! :)
     
   Małgorzata Derezińska 
 
 
 
 
 
     Polecam, bardzo mila obsluga, zawsze rzeczowo i na temat. Pani Iwona bardzo skrupulatna ( co nie zawsze jest regula u innych ksiegowych ). Bardzo dobra komunikacja mailem lub telefonicxzna. Zawsze ktos jest dostepny aby odpowiedziec na pytania, doradzic.
     
   Sebastian B 
 
 
 
 
 
     I wholeheartedly recommend IWONA Services. I like the fact that they will explain anything you might find unclear until they are sure you understood it. It's also one of the best priced accountancy firms I have come across.
     
   Sanda Cojocaru 
 
 
 
 
 
     Korzystam z usług  pani Iwonki od 10lat , bardzo sumienna osoba , pomocna w każdej kwestii , nigdy nie odmówiła pomocy lub porada biznesowych . Polecam wszystkim!!!
     
   Renia Fraczek 
 
 
 
 
 
     Great company. Quick and perfect solution if you looking for accountancy services. Happy to recommend.
     
   martin fufal 
 
 
 
 
 
     Professional and quick sorting all my account. Very good communication and  friendly staff. Thanks
     
   Joanna Fufal 
 
 
 
 
 
     Korzystam z usług Pani Iwony już kilka lat i nigdy nie było problemów. Profesjonalne podejście do klienta, miła atmosfera i rozliczenie na czas. Serdecznie polecam wszystkim zainteresowanym prowadzeniem księgowości :)
     
   Maciej J 
 
 
 
 
 
     I got huge help. Thanks a lot for Miss Emilia. Nice, helpful and professional Company! Thank You very much! :)
     
   Szymon Kuśmierczyk 
 
 
 
 
 
     Iwona provides excellent service. I would highly recommend her and her company, she is very reliable does her job at highest service level and cares of her clients.
     
   Eszter Sziladi