Whether you sell subscriptions, support contracts or per-user plans, you’ll know what each customer is worth, how quickly they pay back what it cost to win them, and what is and isn’t working.
You’ll speak to Keiran, our founder.AAT licensed. Before Aethon, he worked with hundreds of small businesses across several practices.
Anything extra, like software setup or catching up a backlog, is quoted upfront.
Under two years old? See our offers for new businesses
The numbers
Your year-end accounts tell you what happened. These tell you why. On Growth and Strategic, your management accounts track the ones that matter for your business, explained in plain English.
What your recurring revenue really is each month and year, not just what landed in the bank.
How many customers, and how much revenue, you lose each month.
Whether each customer is worth what you paid to win them.
How many months until a new customer has paid back what it cost to win them.
What's left once the cost of serving them comes out, whether that's hosting, licences, staff time or support.
So your accounts show what you've earned, not just what you've been paid upfront for.
How it works
30 minutes with Keiran about your business, your numbers and where you want to take it.
One monthly fee, agreed before we start. Reviewed with you every six months, so it follows your business in both directions.
We handle the handover from your current accountant, including the paperwork.
Plans
Your fee depends on your business, so we agree it on your first call: one fixed monthly fee, reviewed with you every six months so it follows your business in both directions. Pay for the year upfront and it stays fixed for the whole year.
A true financial partnership.
Your finance team without the headcount. Budgets and forecasts, so you manage against a plan instead of only looking back.
Everything in Growth, plus:
Best value
Compliance, tax and insight.
For growing businesses that want proactive tax planning and to finally understand their numbers.
Everything in Essentials, plus:
Core compliance, sorted.
For businesses that need everything filed properly and on time.
What's included:
In every plan
Shown for a limited company. Sole traders and partnerships are covered too, with the filings that apply to them. Optional extras, quoted upfront: a tax planning review, payroll, company formation and cloud accounting setup. Fractional CFO support is available once you've been with us for 12 months.
See every service, plan by planNew business offers
Two fixed-price ways in for newer businesses. After three months you move onto our full Growth plan, priced on your first call.
Under 12 months old
For businesses under 12 months old, expecting £40k to £250k turnover.
£99a month + VAT
£99 a month + VAT for 3 months, paid upfront. That’s £118.80 a month including VAT if you aren’t VAT registered.
Covering work worth over £750
1 to 2 years old
For businesses 1 to 2 years old, with £75k to £250k turnover.
From £149a month + VAT
3 months of support from £149 a month + VAT, paid upfront. That’s from £178.80 a month including VAT if you aren’t VAT registered.
Worth over £850
Your year-end accounts and corporation tax are included once you move onto the full plan. You're covered by a money-back guarantee, as long as you reply quickly, turn up to your meeting, and do your part. Full terms are in the agreement. Both offers are available until 31 December 2026.
Trading for more than two years? You don’t need an offer. Book a call and we’ll handle the switch from your current accountant.
Who you’ll work with
Keiran founded Aethon after working across several small-town accountancy practices with hundreds of small businesses. The pattern he saw most often was owners running on a feeling about how the business was doing, rather than the real numbers, and that feeling was often wrong in both directions.
“You didn’t start your business to become a bookkeeper. You do what you’re good at, and I’ll do what I’m good at.”
AAT licensed. You’ll speak to Keiran directly.
Book a call with KeiranFAQs
Something else on your mind? Ask Keiran on your free call.
Book a free callYou let your current accountant know you're moving, and we handle the rest: the professional clearance letter, getting your records across, and moving your HMRC agent authorisations over. If your current accountant has a notice period, we'll plan the switch around it so nothing falls through the gap.
One fixed monthly fee, agreed before we start. It's based on the size of your business and what you need from us, not on hours. There's no joining fee and no exit fee. Software setup, like moving you onto Xero, is quoted upfront if you need it. Anything extra, like catching up a backlog, is agreed before we start. We review your fee with you every six months, so it follows your business in both directions. If you pay for the year upfront, your fee is fixed for that whole year.
SaaS and software businesses: SaaS companies, software studios with support or hosting contracts, IT support providers and B2B platforms. If your business earns repeat revenue from software or software services, we're likely a good fit. We work with limited companies, sole traders and partnerships.
On our monthly plans, you can leave by giving three months' notice, and there's no exit fee. New business offers and pay-yearly plans cover the period you've paid for, and your proposal sets out the terms. Whenever you leave, we'll hand everything over properly so your next accountant can pick up cleanly.
We work in Xero and QuickBooks, and connect Stripe and your other billing tools so your recurring revenue lands in your books automatically. If you're not on cloud accounting yet, Keiran can set it up for you as a quoted extra.
A regular report showing your profit, your cash, and the subscription numbers that matter, like recurring revenue, churn and what each customer is worth, with a plain-English explanation of what it means. They're included in Growth and Strategic, monthly or quarterly depending on what you need. If you only need your filing done, Essentials covers that.
Free 30-minute call
Tell Keiran about your business and what’s worrying you. If we’re a good fit, you’ll get one fixed monthly fee, agreed before anything starts.
Book your free 30-minute callAnything extra, like software setup or catching up a backlog, is quoted upfront.