Plan. Prepare. Submit.
All in one suite

Calqo empowers accountants and business owners to quickly prepare and submit financial obligations using a range of 3rd party data sources.

Three products, one platform

Each product handles a distinct compliance obligations, but they share your data, your accounts, and your filing history.

For businesses

Filing

Generate annual accounts in iXBRL format and submit directly to Companies House.

  • Sync data from Companies House and HMRC
  • Data import from accounting software and bank accounts
  • In-app and email reminders for submissions
  • File dormant, micro-entity, abridged and full accounts
  • File VAT returns
  • File corporation tax
Learn more →
For individuals

Personal Tax

Submit MTD Income Tac and VAT returns directly to HMRC. Pulls data from your accounting software or bank accounts.

  • Sync data from HMRC
  • Data import from accounting software and bank accounts
  • In-app and email reminders for submissions
  • File MTD income tax
  • File VAT returns
  • File self assesment
Coming soon!
For accountants

Accountancy

Prepare and file accounts and tax submissions. Manage client schedules and automate recurring work.

  • Sync data from Companies House and HMRC
  • Data import from accounting software, bank accounts and spreadhseets
  • Manage client work, automating data collection and deadline reminders
  • File dormant, micro-entity, abridged and full accounts
  • File MTD-compliant VAT and income tax returns
  • File corporation tax and self assessment
Coming soon!

Get early access.
Shape the product.

We're onboarding a limited number of accountants, small businesses, and finance teams. Beta members get free access, priority support, and a direct line to the product team.

  • Free access to all products for the first 12 months
  • Locked-in early adopter pricing on launch
  • Priority support with same-day response
  • Influence the roadmap directly

Request beta access

We'll reach out with additional information.

    No card required · Invite-only beta · Cancel any time

    Connects with tools you already use

    Official API integrations with HMRC, Companies House, and leading accounting platforms. Your data flows in — filing flows out.

    Companies House

    Search and sync information on UK companies. Submit company forms including annual accounts.

    HMRC

    Generate and submit VAT MTD, Self Assessment, Corporation Tax and Income Tax MTD.

    Open Banking

    Sync and import accounts and transactions from all supported major banks and institutions.

    Coming Soon
    Xero

    Sync your trial balance, transactions, and chart of accounts. Two-way connection with live refresh.

    Coming Soon
    QuickBooks

    Connect your QuickBooks Online company to pull profit & loss, balance sheet, and VAT data.

    Coming Soon
    Sage

    Import from Sage 50 or Sage Business Cloud. Supports nominal ledger mapping and period locking.

    Coming soon
    FreeAgent

    Pull year-end trial balances and VAT returns from FreeAgent with one click.

    Coming soon
    CSV / Manual

    No accounting software? Upload a trial balance CSV or enter figures manually using our guided templates.