Helping You Build a Thriving, Financially Secure Business
Hi, I’m Serina, the Director of Serenity Accounting Services and the creator of Calm and Calculated.
With years of experience helping health and wellness professionals and service-based business owners navigate the financial side of their businesses, I understand the unique challenges you face. Whether you're a coach, consultant, personal trainer, or entrepreneur, managing business finances, taxes, and cash flow can feel overwhelming—but it doesn’t have to be.
That’s where I come in. I provide tailored accounting and bookkeeping solutions that not only ensure your business stays financially healthy but also free up your time and energy so you can focus on what you do best—serving your clients and growing your business.
What You’ll Find on Calm and Calculated
✅ Small Business Accounting Tips – Learn how to manage your finances with confidence.
✅ Bookkeeping & Tax Guidance – Stay on top of your records, taxes, and compliance.
✅ Financial Planning for Growth – Scale your business with smart financial strategies.
✅ Work-Life Balance for Business Owners – Build a thriving business without burnout.
Through Calm and Calculated, I aim to make business finances simple and stress-free, giving you the financial clarity you need to grow and scale.
Let’s turn financial confidence into your greatest business strength—because when your finances are calm and calculated, you have the freedom to scale, succeed, and thrive.
Download Your Free 2025/26 Business Tax Calendar – Stay Organised & Stress-Free
Never miss a deadline again. Get instant access to your printable calendar with all the key HMRC tax dates – perfect for UK sole traders, limited companies, and wellness business owners.
Money Mindset Reset: 3 Simple Ways to Feel Calm and Confident About Your Finances
When was the last time you thought about how you feel about money?
Not just how much you have or want — but the emotions tied to managing it day-to-day?
From Burnout to Balance: Managing Business Finances to Prevent Overworking
Running a wellness business shouldn’t come at the cost of your own wellbeing. Yet, too many coaches, therapists, PTs and holistic practitioners find themselves burnt out, overbooked, and underpaid.
Tax Year-End Checklist – What Health & Wellness Business Owners Need to Do Now
As a health and wellness business owner, you’re focused on helping others feel their best—but don’t forget to look after your own business health too. With the UK tax year ending on 5th April, now is the perfect time to give your finances the attention they deserve.
Spring Clean Your Business Finances: 5 Essential Steps to Stay Organised and Profitable
Spring is the perfect time to declutter and refresh—and that includes your business finances. Many business owners start the year with good intentions, but by March, financial records can become messy, unorganised, and stressful.
How Financial Forecasting Helps Your Business Grow (Even If You Hate Numbers!)
Financial forecasting might sound complex, but it’s a game-changer for business growth.
Balancing Business and Wellness: Work-Life Balance Tips for Entrepreneurs
As a health and wellness entrepreneur, you know the importance of balance—but when you’re focused on supporting clients, it’s easy to neglect your own well-being.
Boost Business Efficiency: How Organised Finances and Strategic Support Can Help Your Business Thrive
As we move further into 2025, you may be feeling the momentum of the new year—or perhaps you’re still catching your breath after a busy start.
How to Set Powerful Financial Goals for Your Business in 2025
The start of a new year is the perfect time to reassess your business finances and set clear financial goals for success
5 Financial Mistakes Small Business Owners Make and How to Avoid Them
When it comes to running a successful health and wellness business—be it a sole trader’s private counselling practice or a limited company managing multiple fitness studios—stability often hinges on how well you handle your finances.
Cash Flow Management 101: How to Keep Your Business Financially Healthy
For wellness entrepreneurs—whether running a solo coaching practice or overseeing a limited company—cash flow management is vital.
Achieving Financial Wellness as a Small Business Owner
Financial wellness goes beyond profit margins—it encompasses your peace of mind, sense of security, and ability to make strategic decisions confidently.
7 Key Benefits of Online Accounting Software for Business Success
In today’s digital world, online accounting software has replaced traditional methods like pencils and paper, revolutionising the way businesses manage their finances.
Download Your Free 2025/26 Business Tax Calendar – Stay Organised & Stress-Free
Never miss a deadline again. Get instant access to your printable calendar with all the key HMRC tax dates – perfect for UK sole traders, limited companies, and wellness business owners.