Replacement Guide

How to Build Your Own FreeAgent

Replace FreeAgent with a custom build. Accounting software for every small business

Few Days
24 features10 integrations3-5 days

Estimated Timeline

Based on 24 features at Few Days difficulty, expect about 3-5 days with AI-assisted development.

1
Architecture & setup
Half day
2
Core features
2-3 days
3
Testing & polish
1 day

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Key Features to Replicate

Top features across 8 categories. See all 24 features

Tax Compliance(5 features)

End-of-Year Filing

Generate Final Accounts and Corporation Tax returns data and file from FreeAgent

Making Tax Digital for Income Tax

MTD-compatible solution for staying compliant with new Making Tax Digital for Income Tax rules. Submit quarterly updates and file final declarations

Self Assessment

Get a real-time view of how much you owe for your tax return and file it directly to HMRC. Auto-populates most of your tax return

Tax Timeline

Get a real-time view of your tax calculation including what you owe and when it's due

VAT

Generate MTD-compatible VAT returns automatically and file them directly to HMRC in minutes

Analytics(2 features)

Dashboard

See the big picture for your business including cashflow, profit and loss, invoice and tax timelines

RadarAI

Get unique insights into your business performance with tailored trend-spotting and tips

Automation(2 features)

Smart CaptureAIPremium

Process receipts and bills faster with automatic data extraction, transaction matching and categorisation

Smart CategorisationAI

Save time with smart categorisation which automatically explains new transactions based on previous descriptions

Invoicing(2 features)

Estimates

Create and send professional estimates from templates and convert them to invoices in a click

Invoicing

Get paid faster with smart invoicing tools. Create automated invoices and reminders and set up easy online payments

Banking(1 features)

Banking

Track your finances with ease and accuracy by setting up a bank feed to automatically import your business transactions

Collaboration(1 features)

Accountant Collaboration

Send your accountant or bookkeeper an invite to start working seamlessly together in real time

E-Commerce Integration(1 features)

Connect with AmazonPremium

Connect your Amazon UK Marketplace account to FreeAgent to save time and streamline your admin if you're selling online

Expense Management(1 features)

Expenses

Track costs quickly and easily. Snap receipts and record out-of-pocket expenses on the go

Cost Calculator

Keep Paying FreeAgent

Monthly$4.17/mo
Yearly$50/yr
5-Year Total$250

Build It Yourself

Est. Build Time~3 hrs
Hosting$20/mo
DifficultyEasy

Total Cost Comparison

1 Year
SaaS
$50
DIY
$240
3 Years
SaaS
$150
DIY
$720
5 Years
SaaS
$250
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 24 features at easy complexity.

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