iXBRL Tagging. HMRC & Companies House Compliant. Fixed Pricing Per Entity.
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Sole Trader & Partnership iXBRL | Unincorporated Business Accounts
Quick Answer

Do unincorporated businesses need iXBRL?

Sole traders and partnerships don't file to Companies House, but HMRC increasingly requires iXBRL for larger businesses (turnover £85k+ for Making Tax Digital). We prepare tagged accounts that integrate with your Self Assessment.

SA103 & SA800 integration

Tagged accounts that work with your tax return.

Making Tax Digital ready

HMRC-compliant iXBRL for MTD Income Tax reporting.

Get Started Quick contact
Transparent Fixed Pricing
£25
Micro/Small
Up to £10M
£50
SME
£10M-£50M
£75
Large/Group
Over £50M

48-hour standard turnaround • No hidden fees

Unincorporated entity specialists

We integrate iXBRL tagging with SA103 (sole trader) or SA800 (partnership) tax returns for seamless HMRC filing.

COMPREHENSIVE iXBRL SOLUTIONS

iXBRL Tagging & Filing Solutions for UK Businesses

Let us take the stress out of iXBRL compliance. Our AI powered technology and expert team handle your digital reporting for HMRC, Companies House and the FCA, so you can focus on running your business. We assure 100% acceptance, 48-hour turnaround and total peace of mind.

iXBRL tagging combining clever AI automation with real human expertise. We make compliance simple.

UK business using professional iXBRL solutions for compliance
HMRC Recognised
HMRC CT600 Filing

Complete iXBRL preparation and filing for CT600 returns and company accounts.

Companies House Filing

iXBRL accounts filing for all company types;from micro-entities and SMEs to large groups.

FCA UKSEF Filing

UKSEF submissions for listed companies and financial services firms.

100 %

We guarantee HMRC will accept your files. No stress, no delays.

24 h

You’ll never wait more than 48 hours for your completed files.

3

We support all three UK regulators: HMRC, Companies House, and FCA.
Your AI iXBRL Platform for Dormant Companies

AI-Powered iXBRL Tagging Platform

Switch Instantly Between Do-It-Yourself & Managed Services. One Price.

Experience the only AI-powered iXBRL platform in the UK that lets you move seamlessly between do-it-yourself in-house iXBRL tagging and expert-managed iXBRL services. At the same cost, with no contracts or hidden fees. Quickest turnaround of less than 48 hours. Guaranteed regulator-approved filings.

Seamless Switching

Use our AI iXBRL platform, tag financial statements in-house and switch to managed service during peak season.

Same Account

All your filings, whether DIY or managed, are tracked in one dashboard with consistent volume discount.

AI iXBRL Platform Included

Even if you primarily use our managed service, you have full and free access to the DIY platform.

Hybrid Workflow

Start aniXBRL tagging yourself. If stuck, hand it off to our team mid-process. We will pick up where you left off.

4.98

2,488 rating

98 %

Genuine client's
positive feedback.

200 +

Daily expert
business advice.
Unincorporated Business Considerations

Important Points for Sole Traders & Partnerships

Unincorporated businesses face unique considerations—from cash vs accruals accounting to MTD compliance. We handle the complexity so you focus on running your business.

  • Cash vs Accruals Basis: Small businesses (turnover <£150k) can use cash basis. We advise which is better for your tax position.
  • Making Tax Digital (MTD): MTD for Income Tax coming 2026. Our iXBRL accounts are MTD-ready with quarterly update support.
  • Partnership Profit Allocation: Complex profit-sharing? We handle fixed shares, performance-based allocations, salary partners, and lockstep models.
  • No Companies House Filing: Simpler compliance than limited companies. Accounts for your records and HMRC only—no public filing.

Self-employed filing tailored to SA103, SA800 and MTD requirements; request a consultation or downloadable checklist for detailed guidance.

Unincorporated business filing illustration
Self-Assessment Integration

What We Tag for Unincorporated Businesses

Profit & Loss Account

Income, expenses, cost of sales, net profit. Structured for SA103 (sole trader) or SA800 (partnership) integration.

Capital Accounts (Partnerships)

Partner capital balances, profit allocation, drawings, current accounts. SA800A partner allocation schedules.

Capital Allowances

Plant & machinery, annual investment allowance, writing down allowances. Integrated with tax computation.

Expense Categories

Travel, subsistence, home office, professional fees—all mapped to HMRC-compliant expense classifications.

Tax Adjustments

Add-backs, disallowable expenses, and tax-specific adjustments for accurate Self-Assessment reporting.

MTD Integration

Ready for Making Tax Digital with quarterly summaries and digital links to accounting software.

Our Process

Self-Employed Filing Workflow

Simple, transparent process for sole traders and partnerships. From uploading records to Self-Assessment ready accounts—all with HMRC-compliant iXBRL tagging.

Upload Records

Submit income/expenses summary, bank statements, capital asset schedule. Partnerships: include partner agreement and profit allocation details.

01
Prepare Accounts

Build profit & loss, apply capital allowances, record drawings. Partnerships: prepare capital accounts with profit allocation schedules.

02
iXBRL Tagging

Tag accounts with HMRC taxonomy. Format for SA103 (sole trader) or SA800/SA800A (partnership) integration with Self-Assessment.

03
Self-Assessment Ready

Accounts ready for SA103 (sole trader) or SA800/SA104 (partnership) filing to HMRC. MTD-compliant and digitally signed.

04
Sole trader or partnership? We make compliance simple.

Transparent pricing from £25 per filing. Cash or accruals basis, MTD-ready, and Self-Assessment integrated.

Predictable & Transparent iXBRL Pricing

Fixed Price Per Entity. Industry First.

Unlike per-page pricing that creates unpredictable costs, our entity based ixbrl pricing model gives you complete budget certainty, whether you're tagging one financial statement or multiple.

HMRC & Companies House Compliant Trusted by 1000+ UK companies
Flexible Service Choice

Switch between Do-It-Yourself or Managed service for each filing. Same Pricing.

Prompt Support

All queries answered within 30 minutes. All revision requests delivered within 3 hours. Guaranteed.

Secure Online Payments

Pay safely by card or bank transfer. Instant receipts and full VAT invoices provided.

No Hidden Costs

All features, unlimited revisions, and all input formats included in the price. No hidden fees.

Micro-Entity
FRS 105

For micro-entities (FRS 105), typically under £632k turnover

£30

per entity

START iXBRL now Standard 48h turnaround.
  • Abridged or Full Accounts
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Most Common
Small Company
FRS 102 (Section 1A)

For small companies (FRS 102 1A), most common for UK filings

£40

per entity

START iXBRL now Standard 48h turnaround.
  • Full Accounts Tagging
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Standard / Full
FRS 102 (Full)

For standard/full accounts (FRS 102), including detailed notes

£50

per entity

START iXBRL now Standard 48h turnaround.
  • Complex Tagging & Notes
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Micro-Entity
FRS 105

Simplest accounts, typically under £632k turnover

£50

per entity (£30 + £20 express)

START iXBRL now Express 24h turnaround.
  • Abridged or Full Accounts
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Most Common
Small Company
FRS 102 (Section 1A)

Most common, includes abridged filings

£60

per entity (£40 + £20 express)

START iXBRL now Express 24h turnaround.
  • Full Accounts Tagging
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Standard / Full
FRS 102 (Full)

Complex accounts with detailed notes

£70

per entity (£50 + £20 express)

START iXBRL now Express 24h turnaround.
  • Complex Tagging & Notes
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Predictable Costs

Fixed per-entity pricing eliminates surprises—no matter the account complexity or length.

Volume Savings

Automatic discounts for 10+ entities—save thousands annually on group compliance costs.

Risk-Free Filing

Full refund plus free re-filing if regulators reject. Complete audit trail guaranteed.

Optional Filing Services

Need Help Filing with HMRC and Companies House?

Our iXBRL tagging service creates compliant files ready for you to submit. If you prefer, we can handle the actual filing with authorities for an additional fee—completely optional.

  • HMRC CT600 iXBRL Filing
    HMRC Corporate Tax Return
    £50

    We submit your tagged CT600 corporate tax return directly to HMRC via their Government Gateway on your behalf, handling authentication and confirmation.

    What's Included:
    • Direct submission to HMRC
    • Government Gateway authentication
    • Filing confirmation receipt
  • Companies House iXBRL Filing
    Companies House Accounts Filing
    £25

    We file your tagged statutory accounts to Companies House electronically, ensuring compliance with all formatting and validation requirements.

    What's Included:
    • Electronic submission to Companies House
    • Format validation checks
    • Official filing receipt
Predictable & Transparent iXBRL Pricing

Fixed Price Per Entity. Industry First.

Unlike per-page pricing that creates unpredictable costs, our entity based ixbrl pricing model gives you complete budget certainty, whether you're tagging one financial statement or multiple.

HMRC & Companies House Compliant Trusted by 1000+ UK companies
Flexible Service Choice

Switch between Do-It-Yourself or Managed service for each filing. Same Pricing.

Prompt Support

All queries answered within 30 minutes. All revision requests delivered within 3 hours. Guaranteed.

Secure Online Payments

Pay safely by card or bank transfer. Instant receipts and full VAT invoices provided.

No Hidden Costs

All features, unlimited revisions, and all input formats included in the price. No hidden fees.

Micro-Entity
FRS 105

For micro-entities (FRS 105), typically under £632k turnover

£30

per entity

START iXBRL now Standard 48h turnaround.
  • Abridged or Full Accounts
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Most Common
Small Company
FRS 102 (Section 1A)

For small companies (FRS 102 1A), most common for UK filings

£40

per entity

START iXBRL now Standard 48h turnaround.
  • Full Accounts Tagging
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Standard / Full
FRS 102 (Full)

For standard/full accounts (FRS 102), including detailed notes

£50

per entity

START iXBRL now Standard 48h turnaround.
  • Complex Tagging & Notes
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Micro-Entity
FRS 105

Simplest accounts, typically under £632k turnover

£50

per entity (£30 + £20 express)

START iXBRL now Express 24h turnaround.
  • Abridged or Full Accounts
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Most Common
Small Company
FRS 102 (Section 1A)

Most common, includes abridged filings

£60

per entity (£40 + £20 express)

START iXBRL now Express 24h turnaround.
  • Full Accounts Tagging
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Standard / Full
FRS 102 (Full)

Complex accounts with detailed notes

£70

per entity (£50 + £20 express)

START iXBRL now Express 24h turnaround.
  • Complex Tagging & Notes
  • Word, Excel, or PDF Input
  • Unlimited Revisions Included
Predictable Costs

Fixed per-entity pricing eliminates surprises—no matter the account complexity or length.

Volume Savings

Automatic discounts for 10+ entities—save thousands annually on group compliance costs.

Risk-Free Filing

Full refund plus free re-filing if regulators reject. Complete audit trail guaranteed.

Optional Filing Services

Need Help Filing with HMRC and Companies House?

Our iXBRL tagging service creates compliant files ready for you to submit. If you prefer, we can handle the actual filing with authorities for an additional fee—completely optional.

  • HMRC CT600 iXBRL Filing
    HMRC Corporate Tax Return
    £50

    We submit your tagged CT600 corporate tax return directly to HMRC via their Government Gateway on your behalf, handling authentication and confirmation.

    What's Included:
    • Direct submission to HMRC
    • Government Gateway authentication
    • Filing confirmation receipt
  • Companies House iXBRL Filing
    Companies House Accounts Filing
    £25

    We file your tagged statutory accounts to Companies House electronically, ensuring compliance with all formatting and validation requirements.

    What's Included:
    • Electronic submission to Companies House
    • Format validation checks
    • Official filing receipt
Unincorporated business types

Which category describes your business?

Sole traders and partnerships have unique structures and Self-Assessment needs. Select your business type to see our tailored iXBRL tagging, profit allocation support, and transparent fixed-price options.

IT, Marketing, Design, Consulting

Freelancers & Consultants

Independent consultants, freelancers, and knowledge workers operating as sole traders. Straightforward income tracking with simplified expense classification. Cash or accruals basis depending on turnover. Perfect for service-based professionals with minimal inventory.

SA103 integration
Home office expenses
MTD-ready format
From£25
Trades, Retail, Hospitality

Trade & Service Businesses

Plumbers, electricians, cafés, shops, salons—businesses with physical inventory, equipment, and customer-facing services. We handle stock valuation, capital allowances on tools/machinery, and cash flow tracking for accruals or cash basis accounting.

Stock valuation tagging
Capital allowances
VAT reconciliation
From£25
2-5 Partner Firms

Small Partnerships (2-5 Partners)

Small partnerships typically have straightforward profit-sharing agreements (equal or fixed ratios). We prepare capital accounts for each partner, track drawings, and produce SA800/SA800A schedules showing individual profit allocations for Self-Assessment.

Partner capital accounts
SA800A schedules
Profit share tagging
From£50
Accountants, Solicitors, Doctors

Professional Partnerships

Multi-partner professional practices (accountants, solicitors, medical practitioners) with performance-based profit allocation, tiered structures (equity vs salaried partners), and professional indemnity insurance. We handle complex profit-sharing formulas and lockstep models.

Performance allocation
Lockstep structures
Tiered partner tagging
From£75
Multiple Income Streams

Side Businesses & Portfolio Income

Individuals with multiple income sources—employment + side business, property rental, investment income, or portfolio careers. We structure accounts to separate income streams for SA100/SA103 reporting and ensure proper expense allocation across different activities.

Multi-stream separation
Expense apportionment
Portfolio integration
From£50
Customer success story

4.9

150+ Reviews
Excellent score
Trustpilot rating
Client Success Stories

Why sole traders trust us for iXBRL filing

Consultant Self-employed Consultancy
24 hrs
Turnaround time
£0
Hidden fees
100%
HMRC accepted

"I filed my sole trader accounts and Self-Assessment reconciliation in 24 hours. The fixed price and clear process removed the usual accounting hassle—highly recommended for independent professionals."

Trades Self-employed Tradesperson
48 hrs
Average delivery
£0
Hidden fees
100%
HMRC accepted

"As a sole trader I need quick and simple filing. Digital Reporting handled my accounts and Self-Assessment in 48 hours and the pricing was far lower than the hourly rates I used to pay."

Your Questions Answered

Sole Trader & Partnership iXBRL Questions

Expert answers on unincorporated business accounts, Self-Assessment integration, MTD compliance, and partnership profit allocation.

While not legally required to file accounts publicly like companies, unincorporated businesses benefit from iXBRL accounts for professional record-keeping and future-proofing for Making Tax Digital (MTD) for Income Tax (from 2026). iXBRL-tagged accounts integrate seamlessly with Self-Assessment (SA103/SA800) and demonstrate financial transparency to lenders, investors, and HMRC.

Sole traders and partnerships with annual turnover under £150,000 can choose cash basis (simpler, tracks money in/out) or traditional accruals accounting. Cash basis often reduces paperwork, but accruals may be better if you carry inventory, have significant debtors/creditors, or plan to incorporate. We advise on the best method for your circumstances and tag accounts accordingly.

Our iXBRL accounts are structured to map directly to Self-Assessment forms: SA103 (full accounts) for sole traders and SA800/SA800A for partnerships. Profit figures, capital allowances, and adjustments flow seamlessly, reducing manual re-keying and minimizing errors. This ensures consistency between your accounts and your tax return.

Self-Assessment tax returns are due by 31 January following the end of the tax year (5 April). Paper returns have an earlier deadline of 31 October. While accounts themselves don't have a statutory filing deadline for HMRC, preparing iXBRL accounts early helps ensure accurate, timely Self-Assessment completion and avoids last-minute penalties.

MTD for Income Tax starts from April 2026 for sole traders and partnerships with turnover over £50,000 (reducing to £30,000 in 2027). This requires quarterly digital updates to HMRC. Our iXBRL accounts are MTD-ready, ensuring you can transition smoothly with digitally linked records and compliant reporting formats.

Partnerships must allocate profits according to the partnership agreement (fixed ratios, performance shares, or lockstep). We prepare capital accounts showing each partner's capital balance, profit share, and drawings. The SA800A partner allocation schedule is completed for each partner's SA tax return, ensuring accurate individual profit reporting to HMRC.

Allowable expenses include office costs, travel, equipment, professional fees, and home office use (simplified or actual method). We correctly classify and tag all expenses according to HMRC rules, avoiding common errors like mixing personal and business costs. Capital allowances are applied separately for asset purchases, maximizing your tax-efficient deductions.

Absolutely. Banks and lenders increasingly prefer structured, digitally-tagged accounts as they demonstrate financial transparency and professionalism. Our iXBRL accounts provide a clear audit trail and standardized format that lenders trust, improving your credibility when applying for business loans, mortgages, or credit facilities.

Case Studies

Real UK companies. Real compliance. Zero rejections.

See how UK businesses, accountancy practices, and listed companies achieved HMRC-compliant iXBRL filing in 24-48 hours with transparent pricing and zero rejections.

12 entities filed in 24 hours

Previous provider charged £12/page with a two-week turnaround—costly and slow for growing groups.

24 hrs
Turnaround
£18K
Annual savings
100%
HMRC accepted

65% cost reduction for multi-client

Unpredictable per-page pricing and week-long delays were costing the practice significant client fees and admin time.

48 hrs
Avg delivery
£27K
Annual savings
65%
Cost reduction

Deadline met. Same day ESEF filing

Audit team needed last-minute changes close to the FCA deadline and required a specialist partner.

Same-day
Completion
Zero
Rejections
FCA
Compliant

8 SPVs filed — zero HMRC queries

Complex SPV accounts with multiple investments and joint-venture structures requiring specialist tagging expertise.

36 hrs
Turnaround
8 SPVs
Entities filed
Zero
HMRC queries

SORP accounts accepted first time

Charity SORP accounts with restricted funds and designated reserves needing careful treatment and disclosure.

48 hrs
Turnaround
SORP
Compliant
100%
First-time pass
Featured Blog

AI & iXBRL Tagging for UK Accounting Firms

How AI and automation are transforming iXBRL compliance in 2025

"AI-driven iXBRL tagging is transforming compliance for UK accounting firms—delivering speed, accuracy, and peace of mind."

- Digital Reporting UK

Staying ahead in the UK accounting sector means mastering the latest iXBRL tagging requirements. In 2025, HMRC and Companies House are intensifying their focus on data quality, automation, and AI-powered compliance. Here's what every forward-thinking firm needs to know:

30-minute response guarantee during business hours

Get iXBRL Done Right

Fixed pricing. Expert support. Fast delivery.

We deliver three solutions: iXBRL filing, UKSEF compliance, and ESG reporting. Our team responds to your questions within 30 minutes during business hours (Mon–Fri, 09:00–17:30).

40–60% lower cost. 30-minute support response. 48-hour delivery.

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