London Accounting Firm for Ambitious Businesses
CIGMA Accounting is a strategic, founder-led London accounting firm with offices in Wimbledon, Fulham Broadway, Farringdon and across London. We’ve supported thousands of companies – from high-growth startups to established international entities – earning 5-star reviews across TrustPilot, BARK, and Google.
We’re not just number crunchers. As a forward-thinking London accounting firm, we combine deep tax expertise with AI-enabled workflows to help you operate efficiently, stay compliant, and scale with clarity.
Every business is different – that’s why our team of experienced professionals tailors our services to fit your needs across tax codes, returns, international regulations, and automation strategy.
Our values
Trust
We’re in it for the long haul, we create long-term relationships. We take an active role in ensuring that our clients have continuous tax and financial strategy advice from registered professionals.
Personal
We don’t do “generic”. We pride ourselves in being experts in our clients’ industries so that we can give you the best possible financial advice to suit your needs.
Passion
We are passionate about finding ways to save you money with ethical accounting. Our team strives to be ahead of the trends and keep up to date on new legislation to help your business save money on taxes where possible.
Many of our clients require specialised expertise and incremental business services, we are well placed to help you navigate various challenges across different industries; from professional services to entrepreneurial support.
What our clients say
“Knowledgeable, easy going and efficient service. We are able to meet all our fiscal requirements in a quick, reliable way that doesn’t add a financial burden to our organization.”
“Haroon has a genuine desire to understand the business and not just the numbers. He provides the attention of a close personal friend”
“I felt you understood my needs, and what my business entailed. I liked the fact that you had a PT background, and seemed down to earth”
“After our initial meeting, we were confident that CIGMA could offer us the help we needed… you allowed us to focus more on the other parts of running the business”
Michele
Project Zero
Alain
Clock House Consulting – IT consulting and software development house
Tom Wilson Leonard
Yoga teacher, personal trainer and photographer
Lovisa
London Food Babes – Food critics
What our clients say
Michele - Project Zero
“Knowledgeable, easy going and efficient service. We are able to meet all our fiscal requirements in a quick, reliable way that doesn’t add a financial burden to our organization.”
Alain - Clock House Consulting
“Haroon has a genuine desire to understand the business and not just the numbers. He provides the attention of a close personal friend”
Tom Wilson Leonard - Yoga Teacher
“I felt you understood my needs, and what my business entailed. I liked the fact that you had a PT background, and seemed down to earth”
London Food Babes - Food Critics
“After our initial meeting, we were confident that CIGMA could offer us the help we needed… you allowed us to focus more on the other parts of running the business”
