For UK accountancy firms & formation agents

Every deadline. Every director. One workspace.

Cosavio tracks identity verification, confirmation statements and filings across your whole client portfolio — built for the ACSP era.

One firm's 800 companies, this morning
The Cosavio portfolio dashboard: a compliance strip over a table of companies, deadlines and IDV status
1,400directors to verify
1deadline per confirmation statement
0room for error — a missed IDV blocks the filing
The 2027 deadline

This isn't a product timeline. It's the law.

18 Nov 2025Identity verification becomes mandatoryEvery new director must verify at appointment. Existing directors verify at their company's next confirmation statement.
Nov 2026Transition closes — ACSP registration requiredFirms filing on behalf of clients must be registered as an authorised corporate service provider.
1 Apr 2027Accounts filing goes software-onlyCompanies House stops accepting web and paper accounts. Every filing route runs through software.
Portfolio

The whole portfolio, one glance

One tick per company, coloured by status. Filter to what's overdue, due within 30 days, or assigned to you.

Portfolio dashboard with compliance strip and company table
People and IDV tracker with masked personal codes and chase states
People & IDV

Verification, chased automatically

Every director and PSC with their deadline, chase state and vaulted personal code. Reminders send themselves; you see who opened what.

Filings

Prepare, approve and file — with a complete audit trail

One queue for every filing type. Staff prepare, managers approve, and each pack records who did what, when.

A confirmation statement filing pack with requirements checklist and audit rail
Statutory registers as formal dated tables with an export preview
Registers

Statutory registers that keep themselves

Directors, members and PSC registers update from every filing. Export a firm-branded register pack in one click.

Client pages

Clients see your firm, not ours

Directors get a task page under your logo: verify identity, confirm details, done. No logins, no portal fatigue.

RR Accountantsfor James Whitfield
Verify your identityby 14 Nov 2026
Confirm your service addressdone
Start verification

“ECCTA landed on our practice like it landed on yours. We built Cosavio to survive it.”

Mehmood Rajokaco-owner, RR Accountants (800 limited company clients)
Why firms switch

Built after ECCTA, not before it

CosavioSpreadsheets + GOV.UKLegacy CoSec software
Portfolio-wide IDV view
Automated chases
Personal-code vault
Maker-checker approvalVaries
Full filing coverageManualPartial
ACSP evidence pack
Built after ECCTA

Free IDV deadline checker

Enter a company name or number to see its public officer list and what the ECCTA transition means for existing directors.

Complete the security check to search the public register.

Free, no account needed. Data straight from the public register.
Pricing

Priced per portfolio, not per seat

Starter
£59/mo
Up to 50 companies£1.18 per companyStart free
Most practicesPractice
£169/mo
Up to 250 companies£0.68 per companyStart free
Portfolio
£399/mo
Up to 1,000 companies£0.40 per companyStart free
Bureau
from £799/mo
Custom, beyond 1,000volume pricingTalk to us
cosavio.Company secretarial compliance for the ACSP era.
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