Integrations for Accounting Firms

Your accounting tools, connected

Import clients and export invoices automatically
Connect your accounting, email, and automation tools
Build custom workflows with API and Zapier

Try free for 14 days Book a demo

4.8

Accounting Software

Import clients, sync data, export invoices

QuickBooks

Import your client data and products into Uku to keep everything up to date. Uku's powerful billing automatically generates all invoices and exports them to QuickBooks.

Explore

Xero

Import your clients into Uku and keep everything up-to-date. Automate data collection from Xero for advanced billing. Use integration to export generated invoices back to Xero.

Explore

Fortnox

Import clients from Fortnox to Uku and keep all client info up-to-date. Uku has all the info and rules for invoicing, so it will create your invoices instantly and you can export generated invoices back to Fortnox. With Uku you will reduce your billing time significantly.

Explore

Directo

Import clients from Directo, create invoices in Uku, and send the created invoices with details to Directo. If the customer does not exist in Directo, Uku will create one automatically.

Explore

e-conomic

Import your clients into Uku and keep everything up-to-date. Automate data collection from e-conomic for advanced billing. Use integration to export generated invoices back to e-conomic.

Explore

Tripletex

Import clients from Tripletex to Uku and keep all client info up-to-date. Uku has all the info and rules for invoicing, so it will create your invoices instantly and you can export generated invoices back to Tripletex. With Uku you will reduce your billing time significantly.

Explore

360 Ksiegowosc

Import your clients into Uku and keep everything up-to-date. Automate data collection from 360 Ksiegowosc for advanced billing. Use integration to export generated invoices back to 360 Ksiegowosc.

Explore

SmartAccounts

Import your clients into Uku and keep everything up-to-date. Automate data collection from Smart Accounts for advanced billing.

Explore

FreeAgent

Import clients from FreeAgent to Uku and keep all client info up-to-date.

Explore

Scoro

Automate your invoicing process with Uku's powerful billing solution. Transfer data to Scoro for in-depth analysis.

Merit Aktiva

Import your clients into Uku and keep everything up-to-date. Automate data collection from Merit Aktiva for advanced billing. Use integration to export generated invoices back to Merit Aktiva.

Explore

Email

Send and receive directly from Uku

Gmail

Log in to Uku with your Google account and send emails from Uku via your Gmail address. You can see the sent emails in the Gmail "Sent" folder.

Microsoft 365

Log in to Uku with a Microsoft account and receive emails from Uku from your Microsoft 365 address. You can see the sent emails in the Outlook "Sent" folder.

Document Management

Connect your cloud storage

Google Drive

Connect Google Drive to Uku for seamless document management. Auto-generate client folder structures and access files directly from tasks without downloading.

Explore

OneDrive / SharePoint

Integrate OneDrive or SharePoint with Uku. Set up automatic folder structures per client, year, and month. Open and edit files directly from your DMS.

Explore

Dropbox

Connect Dropbox to Uku for organized client document storage. Automatically back up files and manage your accounting documents in one place.

Explore

Automation

Connect Uku with 1000+ apps

Zapier

Connect Uku with hundreds of apps and services with Zapier. Share data, trigger actions and build workflows that take your practice management to whole new levels.

Explore

NEW

Make.com

Connect Uku with Make.com to automate workflows, sync client data, trigger notifications, and update statuses across thousands of apps.

Business Registries

Auto-fill company data

Companies House

Add clients. Simply type a company name or number, match it with Companies House, and auto-fill and update all client details. This is ideal for efficient client importing.

e-Business Register

Pull all your client data from Estonian e-Business Register to streamline your client entry process. Keep information up-to-date and never miss important changes.

Danish Business Authority

Pull all your client data from Denmark and Norway Business Register to streamline your client entry process. Keep information up-to-date and never miss important changes.

Public API

Build custom integrations

Uku's REST API 2.0 gives you full access to clients, tasks, time entries, invoices, and more. Build exactly what your firm needs.

Full CRUD access to all Uku data
Webhook support for real-time events
Token-based authentication
Detailed API documentation

Coming mid-2026 API v3 — built for AI agents

A growing surface of endpoints, HMAC-signed webhooks, granular scopes with a separate financials scope for money fields, and a 3-file LLM bundle so any AI agent can author integrations on the first try.

View API 2.0 docs →

Uku Settings and Apps — all integrations in one place

"I like the modern look, good accessibility and user convenience. It is easy to use and integrate with other accounting softwares."
— Margarita L., verified on G2

Integrations checklist

Yes, Uku integrations can do that.

Every integrations question we hear from accounting firms — and the answer is always the same.

Can I import clients from my accounting software into Uku? Yes!
Can I export invoices back to QuickBooks, Xero, or e-conomic? Yes!
Can I sync client data automatically between systems? Yes!
Can I auto-fill client details from Companies House or business registries? Yes!
Can I send emails from Uku using my Gmail or Microsoft 365 address? Yes!
Can I connect Uku with Zapier to automate workflows across apps? Yes!
Can I use Make.com to sync data and trigger notifications? Yes!
Can I build custom integrations with the Uku API 2.0? Yes!
Can I import products and services from my accounting software? Yes!
Can I create invoices in Uku and send them to Directo or Fortnox? Yes!

FAQ

Any questions about integrations?

What accounting software does Uku integrate with?

Uku integrates with QuickBooks, Xero, e-conomic, Tripletex, Fortnox, Directo, 360 Ksiegowosc, SmartAccounts, FreeAgent, Scoro, and Merit Aktiva. We also connect with business registries like Companies House, Estonian e-Business Register, and Danish Business Authority.

How does the QuickBooks integration work?

Import your client data and products into Uku to keep everything up to date. Uku's powerful billing automatically generates all invoices and exports them to QuickBooks. The sync is bidirectional — changes flow both ways.

Can I use Zapier or Make.com with Uku?

Yes. Zapier and Make.com let you connect Uku with hundreds of other apps and services. Share data, trigger actions, and build workflows that take your practice management to whole new levels.

Does Uku have a public API?

Yes. The Uku API 2.0 makes it easy to automate data exchange with Uku to build custom solutions. For example, Business Intelligence (BI) reports. Full documentation is available at api.getuku.com.

Can I send emails from Uku using Gmail or Microsoft 365?

Yes. Log in with your Google or Microsoft account and send emails directly from Uku via your Gmail or Microsoft 365 address. Sent emails appear in your regular Sent folder.

How do business registry integrations work?

Simply type a company name or number, match it with the registry (Companies House, e-Business Register, or Danish Business Authority), and auto-fill all client details. This keeps client information accurate and up-to-date.

Is it possible to export invoices back to my accounting software?

Yes. With supported integrations like QuickBooks, Xero, e-conomic, Tripletex, Fortnox, Directo, and Merit Aktiva, Uku generates invoices and exports them back to your accounting software automatically.

Still have questions? Contact Us