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Tax Tips
Self-Assessment 2024/25 — Everything You Need to Know Before the Deadline
Deadlines, allowances, and common mistakes to avoid. Here is your plain-English guide to getting your self-assessment right first time.
Accounting Built Around You
Accounting that empowers sole traders
If accounting has ever felt like it was not built for you — Optimyze is different. Accounting, tax, and strategic finance support for sole traders, limited companies, and freelancers across the UK. We translate numbers into plain English and make finance feel safe, accessible, and empowering.
Accounting Packages
At Optimyze, we make accounting work for you.
Dedicated accountant who knows your business
Plain-English advice, no confusing jargon
Authorised by AICPA & CIMA for accounting & tax advisory
Safe, accessible, and empowering support at every stage
Sole Traders
Everything you need to stay compliant, reduce your tax bill, and run your business with complete confidence.
Find Out More >Limited Companies
End-to-end accounting and tax support for limited companies — handled clearly, so you always know where you stand.
Find Out More >Freelancers & Contractors
Straightforward support for freelancers navigating IR35, self-assessment, and making the most of allowable expenses.
Find Out More >Proof in Action
A client base that reflects what inclusion in finance can look like.
1 in 3
Clients is a woman, with over half running their own business
1 in 5
Clients are from ethnically diverse backgrounds
20%
Of clients have made the UK their new home
100+
Clients across the UK and beyond
Why Optimyze Exists
Clarity replaces confusion. Inclusion is the default.
We did not set out to “be diverse.” We set out to build a space where anyone — regardless of accent, gender, or spreadsheet skills — feels like they belong.
We listen first, so advice is shaped around the person
We translate accounting and tax into plain English
We help clients make decisions with clarity, not guesswork
Safe, accessible, and empowering at every stage
Optimyze
Finance LLP · OC447276
The Optimyze Way
Values That Show Up in the Work
We didn't build a list of values to hang on a wall. These are the principles that shape every client interaction, every piece of advice, and every relationship we build.
01
Client-first, always
We take the time to understand your story and tailor support around you — not the other way around.
0102
Clarity over complexity
No jargon. No ego. Just clear, practical guidance that helps you understand your numbers.
0203
Integrity at the core
Honest, unbiased advice — even when it is not the easy answer. Always in your best interest.
0304
We listen before we advise
Understanding your goals and challenges comes before giving any advice. Full stop.
0405
We serve ambition, not archetypes
Whether you are new to business or scaling fast, we focus on your potential — not a template.
05Join the Optimyze Way
If accounting has ever felt like it was not built for you, Optimyze is built around you.
Thoughtful, people-first accounting for sole traders, limited companies, and freelancers across the UK — with a dedicated accountant, transparent support, and advice that speaks your language.
The UK's Most Inclusive Accountants
Our 100+ clients across the UK choose us because we listen, we show up, and we make finance feel safe, accessible, and empowering — whoever you are.
Read Client Stories →01
Your Dedicated Accountant
You will always have a named accountant who knows your business, your goals, and your numbers inside out — no passing you around, no starting from scratch.
See How It Works →02
Transparent, Fixed Support
No hidden fees, no nasty surprises. Just honest accounting and tax advice at a price that is clear from day one — and stays that way.
View Our Packages →03
Inclusive by Design
We built a firm where anyone — regardless of background, accent, or spreadsheet skills — feels like they truly belong. Diversity is not a department here. It is our reality.
Our Values →04
Plain English, Always
We translate your numbers into language you actually understand — so you can make confident, informed decisions without the jargon, the confusion, or the stress.
Learn More →05
Switching is Simple
Moving to Optimyze is straightforward. We handle the transition, contact your previous accountant, and get you set up with minimum fuss — so you can hit the ground running.
How to Switch →06
Because when accounting empowers people, everything else follows.
Our experts are ready to help you every step of the way.
Shaping up nicely
Fresh thinking from Optimyze
S
Small Business
Sole Trader or Limited Company — Which Structure Is Right for You?
One of the most common questions we get asked. Here is how to think through the decision clearly — without the jargon.
W
Women in Business
Why More Women Entrepreneurs Are Choosing Accountants Who Actually Get It
Finance has not always felt welcoming. Here is what inclusive accounting really looks like — and why it makes such a difference.
H
HMRC & Compliance
Making Tax Digital for Income Tax — What Changes in April 2026 Mean for You
MTD for ITSA is coming. Here is what sole traders and landlords need to know — and how to prepare without the stress.