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# UKSEF & iXBRL E-filing Specialist | eReturn Services

Able Office provides e-Filing for various returns including the new UKSEF format and offers rectification of errors in data previously submitted to regulatory bodies. Our specialist E-filing system is exceptionally user-friendly and cost-effective.

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## Our Product Range

Comprehensive e-filing solutions tailored to your business needs

### Companies House UKSEF / iXBRL

E-filing UKSEF / iXBRL accounts to Companies House with ease and accuracy.

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### HMRC CT & iXBRL

Data conversion intelligence to convert your CT600 and supplements into XML format for HMRC.

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### Data Rectification

Rectify overpayments, omitted payments, and miscalculated data in your previous submissions.

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### iXBRL Tagging

Achieve 100% perfect iXBRL Accounts Tagging with our professional tagging services.

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## Companies House UKSEF / iXBRL A/C e-Filing

E-filing your company accounts to Companies House is seamless with our platform — whether you're submitting in UKSEF or iXBRL format.

### Why Choose UKSEF?

UKSEF (UK Single Electronic Format) is the next-generation standard for submitting annual accounts to Companies House — and it’s the future of digital filing in the UK.

It’s especially recommended for:

- Listed companies
- Group structures
- Entities producing premium or lengthy annual reports

#### Major Advantages of Filing via UKSEF:

- Supports large file sizes — up to 100MB
- Retains full visual presentation — colour, layout, branding, charts, images
- Your audience sees exactly what you see
- Complies with Companies House’s most advanced digital filing route

Whether you have a “glossy” 500+ page report or just want to maintain your visual identity — UKSEF makes it possible.

UKSEF is not just compliance — it’s a presentation advantage.

### Still Supporting iXBRL

For simpler filings, iXBRL remains fully supported. We offer professional iXBRL tagging services for both HMRC and Companies House.

### Streamlined Validation and Submission

Our system validates everything before submission and delivers your files securely via XML gateway with instant confirmation.

Note: We provide professional iXBRL tagging services to create fully compliant accounts files.

### How It Works: Step-by-Step

1

#### Preparation

Convert accounts to UKSEF or iXBRL (we offer tagging service).

2

#### Validation

Form Header CSV validated & converted to XML.

3

#### Schema Check

Full schema & business rule validation.

4

#### Review

Final review before submission.

5

#### Submit

Secure XML submission with instant confirmation.

## E-filing CT and iXBRL Accounts to HMRC

Paper submissions of Corporation Tax Returns, computations, and accounts are no longer accepted. Filings must now be submitted electronically. At Able Office, we offer an integrated E-filing solution.

### What You Must File Simultaneously:

- Annual Accounts in iXBRL format
- Computation of the Accounts in iXBRL format
- CT600 (and supplements) in XML format (or CSV that can be converted to XML)

#### We Also Support:

- Late or past year submissions
- Amended account or tax return submissions
- Partner and API integrations

### How It Works: Step-by-Step Process

1

#### Upload Documents

Upload the three required components (Annual Accounts, Computation, and CT600) to our secure platform using encrypted file transfer protocols.

2

#### Convert Files

We automatically convert the CT600 from CSV format (if needed) into the required XML format that HMRC accepts for electronic submissions.

3

#### Validate Documents

We validate all three documents against HMRC business rules and schema requirements, checking for errors and inconsistencies in real time.

4

#### Review Alerts

You receive immediate alerts with clear pointers to exactly where corrections are needed. Our system highlights errors and provides guidance for fixing them.

5

#### Preview Return

Once all documents are validated, preview the complete combined return (CT600 plus accounts and computations) in PDF format for final review.

6

#### Submit and Certify

Click 'Submit' to send your return via secure XML protocol directly to HMRC. Receive an official proof of E-filing certificate for your records immediately.

## HMRC CT iXBRL and CH iXBRL Data Rectification

Correct errors, omissions, and inconsistencies in your previous submissions

### Companies House iXBRL Accounts Rectification

You can use iXBRL Accounts Rectification to correct any filing errors, omissions, or inconsistencies in your previously submitted accounts to Companies House.

To make these corrections, you must re-submit the revised iXBRL accounts file, ensuring all financial data is accurate and compliant.

#### Process & Deliverables:

- Companies House Accounts Data Rectification - Revised Company Form Header
- Provide iXBRL tagging of revised tax computations
- Revised Company Accounts in an iXBRL format

Note: We'll provide the relevant ready-to-use template for you to enter your presenter credentials. If you don't yet have them, you can apply with Companies House.

### HMRC CT and iXBRL Accounts Rectification

You can use CT and iXBRL Accounts Data Rectification to correct any errors, omissions, or misstatements in your Corporation Tax submissions.

To make these corrections, you must re-submit the complete CT and iXBRL Accounts File, ensuring all forms and computations are accurate and compliant.

#### Forms Covered:

- CT 600 (Corporation Tax Return)
- CT 600A (Loans)
- CT 600B (Controlled Foreign Companies)
- CT 600C (Group and Consortium)
- CT 600D (Insurance)
- CT 600E (Charities/CASCs)
- CT 600F - J (Specialized Returns)
- Accounts & CT 600 Computation

## Clear and Cost-Effective Pricing

Transparent pricing with no hidden fees

### Companies House iXBRL Accounts E-filing

One off iXBRL Account to Companies House
Per company per annual return | £150.00
Volume discount available
One off non-recurring setup cost | £350.00

Contact for Volume Discount

### HMRC CT, iXBRL Accounts & IRR E-filing

#### CT600 and iXBRL Accounts to HMRC

One off CT600 and iXBRL Accounts to HMRC
Per company | £250.00
Volume discount available
One off non-recurring setup cost | £350.00

#### Interest Restriction Return (IRR)

One off non-recurring setup cost: £350.00

Usage cost mutually agreed depending on volume

Get Custom Quote

### HMRC CT iXBRL and CH iXBRL Data Rectification

#### Custom Pricing

Contact us for a personalized quote based on your specific rectification needs.

Contact Us for Pricing

## About Able Office - E-filing Specialists

Eight years of excellence in eData interchange software development

### Who We Are

With eight years experience focusing on eData interchange software development and support, Able Office has become a specialist eReturn system.

The skills and commitment we have gained have helped all our clients to achieve a 99.99% success rate in whatever eReturns they have made. Our truly open standard and open platform system has seamlessly integrated with many clients' systems, including Payroll, Accounting, Pension, and CIS systems.

Your system will work with ours regardless of the version and the platform you use.

### Our Clients

Our clients include many household names, such as:

BT
Network Rail
Michelin Tyre PLC
Wates Group
Tesco
Land Securities
Canary Wharf Group
Leading Accounting Firms

### Leadership & Values

The company is led by our chairman Mr. John Knight, a Chartered Accountant, who has many years of industrial, practical accountancy, and business experience.

#### Our Top Priorities:

- Quality
- Accuracy
- User Friendliness
- Security
- Cost Effectiveness

### Technology Used

We support XML, iXBRL, and CSV formats and are platform independent based on open standards. We have never had any technical compatibility problems with any client or BACs system.

#### Database Support

- ORACLE
- IBM DB2
- Postgres

#### Format Support

- XML
- iXBRL
- CSV

#### Integration

- Payroll Systems
- Accounting Systems
- Pension Systems

## Contact Us

Get in touch with our team for support or inquiries

### Our Address

### Phone Numbers

Help / Support:
+44 20 8450 2290

Sales:
+44 20 8450 2290

### Email

support@ableoffice.co.uk

#### Business Hours

Monday - Friday: 9:00 AM - 5:00 PM

We aim to respond to all inquiries within 24 hours