Welcome to Sum Assistance: Small Business Accountants

Accountancy & Tax Services for Individuals, Sole Traders, Micro, Small and Medium Sized Businesses

"Friendly & Straightforward Professional Business Services"

Sum Assistance in Keighley & Leeds have a growing reputation as one of the region's most effective accountancy providers for individual clients, sole traders, micro, small and medium sized businesses.

Our firm expertly attends to all your business needs. Thanks to the established expertise of our team, our dedication, knowledge and many years of experience in business and accountancy, we can offer you the support that you need both with standard matters concerning your enterprise and complex business management assignments. We value the satisfaction of our clients very highly and provide quality value for money services. Talk to us and learn all about our firm's philosophy, priorities and values.


Sum Assistance specialises in accountancy, taxation and other services for individuals, sole traders, micro, small and medium sized businesses. Our friendly straightforward, easy to understand approach means we provide clients with the services they need to help make their businesses a success. We have a wealth of business experience across a broad range of sectors, so as part of our service we will get to know your business and how it operates so we can provide you with appropriate, relevant and useful support and advice tailored to suit your exact needs.


Our specialist sub-contractors division CIS MADE EASY will happily deal with your 2016/17 CIS TAX refund/ return for a fixed fee of £150.



XERO - Easy online accounting for UK small businesses

Run your business and access your accounts from your Mac, PC, tablet or phone. You can invite us as your accountant to view your accounts, enter data, run payroll, prepare accounts and provide valuable real-time advice. Your data is completely secure even if your computer is lost or stolen. Access your accounting software anytime, anywhere online.



 “As a Director of a young, ambitious and growing company I contacted Sum Assistance for support with our Bookkeeping and monthly Management Accounts. The services that we have received thus far are second to none. The level of expertise is excellent and they are highly professional whilst still offering a personal and friendly service. They enable us to concentrate on maximising our sales and profits by taking away a huge amount of accountancy related administration work. I could not recommend Sum Assistance highly enough…”  £1 million Service Sector Business in Leeds.  A XERO accounting software client


“…..just had a look at your website - very informative and useful for a new sole trader like me- thank you….” New Start-up Sole Trader 


''I am writing as I would like you to handle my tax affairs again this year, please send me a 2014/15 CIS Tax Pack . . . . . . . thanks again for last year'' KZ... Edinburgh CIS Tax Refund Client.



Office hours

Monday -Friday: 9:00 to 18:00

Saturday: 10:00 to 14:00

Evening, weekend & home visit appointments available (no additional charge)


Sum Assistance

Airedale Enterprise Services

Sunderland Street


BD21 5LE


Sum Assistance

Brooklands Court

Tunstall Road  


LS11 5HL

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Making an appointment

If you have any queries or wish to make an appointment please contact us:



Tel: 01535 442101

Fax: 01535 442102



Tel : 0113 418 2085

Fax: 0113 418 2095


Mob: 0779 473 4711

Email: colin@sumassistance.co.uk


Alternatively, please use our contact form.

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