File your Self‑Assessment (SA100) in minutes
Avoid penalties or late submissions. We handle your Self‑Assessment filing accurately, ensuring HMRC receives your return on time.
- 5-star rated service
- Fixed transparent pricing
- Authorized accounting partner
- Dedicated expert support
From Just£50.00
CLIENT'S TESTIMONIAL
Trusted by individuals and business owners across the UK
Thousands rely on our fast and accurate tax services — here’s what they say:
5/5
I needed to file my Self‑Assessment, and Smartledger handled everything swiftly. Very professional!
Emma Lewis
5/5
I wasn’t sure what was required, but the team guided me step-by-step and submitted my SA100 correctly. Stress-free!
David Morgan
How Smartledger Solutions handles SA100
We simplify the Self‑Assessment process, ensuring all income, deductions, and reliefs are reported accurately to HMRC.
Information collection
We gather all relevant personal and financial information, including income, expenses, and previous tax records.
Return preparation
We prepare your SA100 tax return, ensuring all allowances and deductions are applied correctly.
Submission & confirmation
Once filed, you receive immediate confirmation from HMRC, and all documentation is securely stored.
Self‑Assessment explained
SA100 is the standard tax return for individuals, directors, and business owners who need to report income not fully covered by PAYE.
Income reporting
Includes employment, self-employment, dividends, rental income, and savings
Deductions and reliefs
Claim eligible allowances, pension contributions, and business expenses
HMRC compliance
Ensure your tax return is accurate and submitted on time
Record retention
Keep all supporting documents securely for HMRC audits
Expert review
Our accountants check calculations to minimize errors and avoid penalties
Late or incorrect filings can result in fines
Failure to file your SA100 on time can lead to penalties, interest charges, and HMRC investigations.
Use our expert-managed service for accurate and timely submission.
From Just£50.00
Why choose Smartledger for Self‑Assessment?
From gathering information to submission, we manage the full process. Our experts ensure your SA100 return is accurate, compliant, and submitted on time.
Lifetime support
Simple, transparent process
Affordable pricing
Expert assistance
Frequently Asked Questions
It is an annual tax return for individuals to report income, gains, and tax reliefs to HMRC.
Self-employed individuals, company directors, landlords, and those with additional income not taxed through PAYE.
Paper returns: 31st October; Online returns: 31st January following the tax year.
Income details, expenses, pensions, savings, dividends, and previous year’s tax records.
Yes, we can assist in submitting late returns and managing penalties.
Yes, all personal and financial documents are handled confidentially and securely.
Yes, our service is suitable for UK residents and non-residents with UK tax obligations.
Unsure about filing your Self‑Assessment?
Contact us — we’ll guide you through every step.
File your Self‑Assessment today
- Fast and compliant submission
- Transparent pricing
- Suitable for UK and international clients