Over 10 Years of Experience within Accounting Business Services



About Us
Established in 2012 with the mission to provide high-quality professional accounting, taxation, and business advisory services to businesses and individuals with an aim of working closely with clients and to act for a broad range of business and personal relationships.
We pride ourselves on our commitment to our clients through professionalism and dedication, we can exceed our client’s expectations in every aspect of business and finance, both efficiently and cost-effectively.
Why choose us
Dedicated accountant
Our clients will receive one to one, hand-holding support every step of the way for their business growth and high-quality service which is central to everything we do. You will have a single point of contact that knows you and your business who can help you with all of your accounting needs.
Accredited accountant
Our client managers are fully qualified and accredited by our accounting software providers: Xero, Quickbooks and FreeAgent. So, you can relax as you are in very good hands.
ACCA registered
Our skilled and dedicated team provide expert business advice and we are members of The Association of Certified Chartered Accountants in England and Wales (ACCA).
Transparency
All of our fees are pre agreed and inclusive with no hidden costs. All of your and your companies information is available to you 24/7 on our clients portal.
Forward thinking
We love bringing clients the most up-to-date technology and tools that will help them automate and streamline procedures, supercharge cash flow, and become more efficient through focused tax planning processes.
Value add service
We are always looking to improve our accountancy service to boost your financials. This includes an accounting portal with login for all clients with access to data 24/7.
Our accounting software partners
that will grow your business

Quickbooks

Xero

FreeAgent

Speak to one of our
specialist accountants today!
Discover how our strong team can help your small business streamline its processes and reduce accounting work by calling your local Banbury accountancy firm today!
Why our clients love I Sumar & Co

Sole Trader
You will be the exclusive owner of a business, entitled to keep all profits after tax has been paid but liable for all losses.

Limited Companies
A private company whose owners are legally responsible for its debts only to the extent of the amount of capital they invested.

Partnerships
Two or more owners of a business, entitled to keep all profits after tax has been paid but liable for all losses.

Limited Liability Partnerships – LLPs
This is a hybrid between a partnership and a limited company formed under the Limited Liability Partnerships Act 2000, and regulations made under that Act.

Contractors
A person or firm that undertakes a contract to provide materials or labour to perform a service or do a job.

Other Services
To get the range of services provided for individuals and businesses.
Please visit Our Services page.
Cloud Accounting
I Sumar & Co is a fully cloud-based accounting practice. We have been working tirelessly to provide the best-innovated services to our clients and we are proud of it. We know every business has its own individual needs and so our tailored solutions will give you as much or as little support as you require.
Our Expertise
We will help you register with HMRC and other relevant legal bodies while you carry on with your day to day business. We will support you to grow your business with a dedicated point of contact.


Bookkeeping software
QuickBooks Online is used by millions of businesses around the world and is the UK leading bookkeeping software. We will train you to do the basics and take care of all your entries which needs to be reviewed to ensure they are accurately posted.

Unlimited expert advice
We will complete your accounts and tax returns and submit them to HM Revenue and Customs and Companies House without any extra cost to you.
Filing included
We will complete your accounts and tax returns and submit them to HM Revenue and Customs and Companies House without any extra cost to you.

Automated Deadline Reminders
We will give you access to all your data and live deadlines for all your services helping to ensure never to miss deadlines.
Tax Planning and reviews
We will discuss with you from time to time when the regulations change on how to efficiently save taxes for you and your businesses.

