CATO is Closed
Meet NOVA
Built for UK businesses looking for a simpler, smarter way to file. The affordable new alternative for CT600 filing, statutory accounts, and compliance management.
NOVA: End-to-End Cloud Compliance & Reporting Platform
DataTracks NOVA: Cloud-Based Compliance at Scale
NOVA is DataTracks’ next-generation cloud compliance engine designed to streamline statutory reporting, ESEF, SEC EDGAR Next, and corporate tax disclosures in a secure multi-tenant environment with automated taxonomy updates.
Core Capabilities
- End-to-end disclosure management from financial data ingestion to regulatory filing
- Automated taxonomy roll-forwards for IFRS, US GAAP, ESEF, and local GAAPs
- Real-time multi-entity consolidation with roll-up consistency verification
- Seamless integration with ERPs, Excel workbooks, and corporate accounting systems
Platform Pulse
Architecture & Readiness
EDGAR Next Engine
CertifiedESEF Taxonomy 2026
ActiveIntelligent iXBRL & XBRL Conversion
Tag numeric disclosures, dimensional axes, and text blocks with high accuracy using AI-suggested taxonomy mapping and built-in rules for SEC, HMRC, Revenue Ireland, and ESEF filings.
Core Capabilities
- AI-driven taxonomy concept recommendations based on historical and industry tagging
- Automated custom extension creation with required anchoring for ESEF regulations
- Block tagging, detailed tagging, and nested narrative disclosures support
- Direct packaging of Inline XBRL files ready for submission portals
Taxonomy Engine
Tagging & Validation Status
Anchoring Relations
RequiredNegative Value Warnings
Auto-FlagMulti-Tier Review & Approval Workflows
Eliminate disjointed email threads and conflicting file copies. Multiple reviewers can comment, suggest alterations, approve specific financial line items, and manage sign-offs within a role-restricted environment.
Core Capabilities
- Cell-level and paragraph-level commenting with resolution histories
- Granular permissions (Viewer, Contributor, Reviewer, Final Approver)
- Real-time visual diff engine showing changes between drafts
- Automated sign-off routing configured to your statutory governance cycle
Governance Stage
Approval Gates
Dual Sign-Off Gate
ActiveDiff Tracking
ContinuousAutomated Pre-Filing Validation Engine
Run tests against official regulator validation rules before you file. The platform screens packages against SEC EDGAR test checks, HMRC gateway schema, EBA/EIOPA guidelines, and ESEF formula assertions.
Core Capabilities
- Instant calculation assertion tests to catch summing errors and inversions
- Automated schema checks against official regulatory portals
- Detailed error and warning diagnostics with one-click resolution suggestions
- Simulation runs designed to ensure first-time acceptance by regulator gateways
Gate Validation
Gateway Rules
Formula Assertions
PassingGateway Sandbox
VerifiedCloud Infrastructure, Auditability & Security
Designed for sensitive, market-moving financial disclosures. Built under SOC 1, SOC 2 Type II, and ISO 27001 certifications with full end-to-end encryption and unalterable audit trails.
Core Capabilities
- Immutable audit trail tracking every single edit, view, and tag change
- SAML 2.0 / Okta / Azure Active Directory Single Sign-On (SSO) with MFA
- AES-256 encryption at rest with TLS 1.3 encryption in transit
- Role-based workspace segmentation for holding companies and subsidiaries
Security & Trust
Compliance Certifications
ISO 27001 / SOC 2
AuditedEncryption Key Ring
AES-256Everything You Need In One Platform
HMRC’s free CATO filing service has closed, leaving thousands of UK companies searching for a simple way to prepare and submit Corporation Tax returns. NOVA gives you everything you need to stay compliant without the cost and complexity of traditional accounting software.
CT600 Filing
Prepare and submit Corporation Tax returns with confidence using guided workflows and validation checks.
iXBRL Tagged Accounts
Generate compliant statutory accounts quickly and accurately.
iXBRL Automation
Automatically create HMRC-ready iXBRL documents without specialist expertise.
Compliance Calendar
Track deadlines, filing obligations, and important tax dates from one dashboard.
Multi-Company Management
Manage multiple entities from a single secure workspace.
Secure Cloud Storage
Access your filings, accounts, and compliance records anytime, anywhere.
Why NOVA?
For years, businesses relied on HMRC’s free CATO service to submit Corporation Tax returns and accounts online. With the closure of CATO, companies now need commercial software to remain compliant. NOVA was built specifically to make that transition easy, affordable, and stress-free.
A Smarter Way to File
- No complicated setup
- No expensive accounting software
- No manual iXBRL tagging
- No missed deadlines
Just simple, modern filing software designed for UK companies.
How NOVA Works
How NOVA Works
CATO is Closed
Connect Your Company
Import company information and financial data in minutes.
CATO is Closed
Review & Validate
Check calculations and compliance requirements automatically.
How NOVA Works
01. Connect Your Company
Import company information and financial data in minutes.
02. Review & Validate
Check calculations and compliance requirements automatically.
03. Generate Returns
Create CT600 returns, tax computations, and accounts instantly.
04. Submit & Track
File with confidence and monitor submission status from your dashboard.
Built For The Post-CATO Era
HMRC’s free CATO filing service has closed, leaving thousands of UK companies searching for a simple way to prepare and submit Corporation Tax returns. NOVA gives you everything you need to stay compliant without the cost and complexity of traditional accounting software.
Save Time
Reduce administration and filing workloads significantly.
Save Money
Access professional-grade compliance tools at a fraction of traditional software costs.
Stay Compliant
Keep up with evolving HMRC and Companies House filing requirements.
Grow With Confidence
Whether you manage one company or hundreds, NOVA scales with your business.
Why Businesses Are Switching
Simplicity First
Clean, intuitive workflows that require no specialist knowledge.
Affordable Pricing
Pay only for what you need, without enterprise-level costs.
Future-Ready Compliance
Built to support evolving UK digital filing requirements.
Dedicated Support
Get help from compliance experts when you need it.
Why Businesses Are Switching
Simplicity First
Clean, intuitive workflows that require no specialist knowledge.
Affordable Pricing
Pay only for what you need, without enterprise-level costs.
Future-Ready Compliance
Built to support evolving UK digital filing requirements.
Dedicated Support
Get help from compliance experts when you need it.
Trusted by Modern UK Businesses
HMRC-Ready CT600 Filing
Automated iXBRL Generation
Cloud-Based Platform
Affordable Monthly Pricing
Simple Pricing
Starter
Perfect for small businesses.-
1 Company
-
CT600 Filing
-
Basic Accounts
-
Email Support
Professional
For growing businesses.-
Up to 10 Companies
-
CT600 Filing
-
iXBRL Generation
-
Deadline Tracking
-
Priority Support
Business
For accountants and multi-entity groups.-
Up to 50 Companies
-
Advanced Reporting
-
Bulk Filing Tools
-
Client Management
-
Dedicated Success Manager
Enterprise
For larger organizations-
Unlimited Companies
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API Access
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SSO & Advanced Security
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Custom Integrations
-
Dedicated Account Team
What Our Customers Say
“What I value most about DataTracks is the confidence it gives us during the reporting process. Rainbow makes it easier to work through our US filing requirements, and having the DataTracks team available when we need them makes the overall experience much smoother.”
Reporting Confidence
US Filing Support
Smooth Reporting Process
“We were looking for a reporting solution that could fit naturally into our existing process rather than add another layer of work. DataTracks has made our UK reporting more manageable, with a straightforward platform and support whenever we need it.”
Easy Integration
UK Reporting
Responsive Support
“We moved from CATO to NOVA in less than a day. Everything was straightforward and easy to understand.”
“The reporting process involves a lot of detail, and having a reliable team behind us makes a noticeable difference. DataTracks has been helpful in keeping the preparation process organised and giving us the support we need when questions come up.”
Reliable Support
Reporting Organisation
Expert Assistance
Reduced Reporting Pressure
Clear Reporting Process
Quick Assistance
Frequently Asked Questions
Why do I need software now?
HMRC’s free CATO service has been discontinued, meaning companies must now use commercial software to submit CT600 Corporation Tax returns online.
Is NOVA suitable for small businesses?
Yes. NOVA is designed specifically for small businesses, owner-managed companies, property companies, and growing organisations.
Does NOVA generate iXBRL accounts?
Yes. NOVA automatically generates iXBRL-compliant files required for HMRC submissions.
Can I manage multiple companies?
Absolutely. Professional, Business, and Enterprise plans support multi-company management.
Ready For Life After CATO?
Move to NOVA Today.
File faster. Stay compliant. Reduce costs.
Join the next generation of UK compliance software and discover why businesses are choosing NOVA as their affordable alternative to CATO.