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Accountin vs Capium

Capium is cloud software for practices, sold as a base plan banded by number of clients with modules added on top. Both Capium and Accountin run in a web browser.

CapiumAccount­in
Runs onCloud soft­ware, used in a browserA web browser on a PC, Mac or iPad
Ac­counts typesFRS 105 and FRS 102 for com­panies, sole traders, part­ner­ships and LLPs; charity ac­counts as a sepa­rate moduleFRS 105, FRS 102 Section 1A, sole trader, part­ner­ship, LLP and guar­antee company ac­counts
Com­panies HouseiXBRL tagging and direct sub­mis­sioniXBRL ac­counts, filed from Account­in once Com­panies House issues its filing cre­den­tials
Corpo­ration tax returnCT600 with supple­men­tary pages A to J and iXBRL taggingCT600 with an iXBRL tax compu­tation; filing switches on once HMRC issues Account­in's vendor ID
Self Assess­mentSA100, SA800 and SA900, which Capium de­scribes as recog­nised by HMRCSA100, SA800 and SA900 pre­pared and ap­proved; filing switches on once HMRC issues Account­in's vendor ID
Income taxCapium de­scribes it as HMRC-recog­nised Making Tax Digital for Income Tax soft­wareQuar­terly updates and the final decla­ration; sub­mis­sion switches on once HMRC recog­nises Account­in
Book­keepingBank feeds, invoic­ing and VAT returnsBank state­ment import, bank rules, recon­cili­ation, sales and pur­chase ledgers
PriceBase plan from £140 a month for up to 100 clients, with unlim­ited users, plus modules from £20 a month each, plus VATBooks £90 a year per user; Prac­tice £175 for the first user and £90 for each extra user, plus VAT, unlim­ited clients
On sale since2013Opening to its first prac­tices in 2026

Where Capium has more today

Capium has bank feeds, charity accounts and CT600 supplementary pages, and files with HMRC and Companies House today. Its practice management module covers tasks, a client database and billing.

How the prices differ

Capium prices by the number of clients, with unlimited users. Accountin prices by the number of users, with unlimited clients. Which costs less depends on the number of users and clients in the practice.

Accountin's filing status

Accountin is opening to its first practices. Year-end accounts, Companies House filing and the corporation tax return come first. Filing at Companies House switches on once Companies House issues Accountin's own filing credentials, and submission to HMRC switches on once HMRC has recognised Accountin. VAT and Making Tax Digital for Income Tax follow as HMRC approves each one.

Move your practice to Accountin

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