Comparison Guides

Is Novabook or Onside better for a UK startup?

Novabook and Onside Accounting both serve startups yet approach accounting differently. Onside offers an outsourced finance service to many companies using a combination of third party softwares. Novabook gives you direct access to an accountant, trained at the likes of PwC and Deloitte, whilst also providing their own free internal ERP system to automate founders’ admin (including Payroll, HR, Employee Expenses and Receipt Capture). 

Novabook’s pricing starts from £22/month for bookkeeping, and their transparent pricing means that you always know exactly what you are getting for your money.


Features

Novabook

Onside

Winner for startups

Service focus

Novabook combines a Big 4 trained chartered accountant with their own software platform to automate all the admin founders don’t want to do. 

Onside has a great team of in-house trained accountants to support founders with their financial work. 

Novabook & Onside

Software

Integrated with Xero, QuickBooks and Sage to give you a great accounting experience.  Novabook has in house software to automate payroll, payments, invoicing and receipt capture.

Works across a variety of established third-party tools like Apron. 

Novabook

Price

Low fixed monthly packages tailored to early-stage startup budgets.

Bespoke retainer pricing tailored to high-growth tiers.

Novabook for the core package, but it is dependent on the exact services you need. 




Frequently asked questions

Who are Onside's main competitors for startup accounting?

Onside's competitors are accounting firms that offer a full-service accountant at a lower price. Novabook's Big 4-trained team handles bookkeeping, tax, payroll, and investment-related work such as EMI valuations from around £129 a month.

What does a typical Novabook plan cost?

A typical Novabook plan starts from £129/month. Calls and questions are never billed extra, and any of these services give you direct access to one of Novabook’s accountants, trained at the likes of PwC.

We're raising a seed round. Does Novabook handle SEIS and EIS?

Novabook can prepare SEIS and EIS advance assurance applications before the round and compliance statements afterwards, so investors can claim their relief.

Startup accounting,

done right.

Book a call

Email us

Call us

Startup accounting,

done right.

Book a call

Email us

Call us

Startup accounting,

done right.

Book a call

Email us

Call us

©2026 Novabook. All rights reserved.

Company No. 15483290

Novabook is a trading name of Basilica Services Ltd.

Basilica Services Ltd (Company Number: 15483290) is an agent of Plaid Financial Ltd. (Company Number: 11103959, Firm Reference Number: 804718), an authorised payment institution regulated by the Financial Conduct Authority under the Payment Services Regulations 2017. Plaid provides you with regulated account information services through Basilica Services Ltd as its agent.

©2026 Novabook. All rights reserved.

Company No. 15483290

Novabook is a trading name of Basilica Services Ltd.

Basilica Services Ltd (Company Number: 15483290) is an agent of Plaid Financial Ltd. (Company Number: 11103959, Firm Reference Number: 804718), an authorised payment institution regulated by the Financial Conduct Authority under the Payment Services Regulations 2017. Plaid provides you with regulated account information services through Basilica Services Ltd as its agent.

©2026 Novabook. All rights reserved.

Company No. 15483290

Novabook is a trading name of Basilica Services Ltd.

Basilica Services Ltd (Company Number: 15483290) is an agent of Plaid Financial Ltd. (Company Number: 11103959, Firm Reference Number: 804718), an authorised payment institution regulated by the Financial Conduct Authority under the Payment Services Regulations 2017. Plaid provides you with regulated account information services through Basilica Services Ltd as its agent.