The TaxOS
Business tax refunds. Instantly.
HMRC Authorised Tax Agent
FCA Registered
Making Tax Digital Ready
Get your company's cash flowing with Instant VAT Refunds, R&D/RDEC, Film and Corporation Tax Credits.
Explore our solutions
We handle the HMRC complexity, you enjoy the cash flow. Simply connect to our TaxOS software and we’ll take care of the rest. You'll receive your VAT refunds and other tax credits instantly when your claims are submitted to HMRC.
Service
Instant VAT Refunds
The future of tax is here. Submit your VAT return, get paid within 60 minutes. Simple.
ExploreService
R&D Tax Credits and RDEC
We'll confirm your eligibility, prepare your report, calculate your claim and submit your return. You’ll get a pre-approved credit limit to the value of your return. Drawdown instantly when your claim is submitted.
ExploreService
Creative Industry Tax Credits
For Film & TV, video game development and other creative productions. We'll confirm your eligibility, calculate your claim and offer you a pre-approved credit limit to draw down against instantly when your claim is submitted.
ExploreOne system. All the benefits.
Our TaxOS software uses AI and machine learning to maximise and validate your tax refund calculations, eliminating human error. Our team of experts, including former HMRC officers, works alongside your accountant to simplify tax management for high-growth and multi-entity businesses.
Safe Hands
100%
Success rate with HMRC
Pre-Approved Credit
Drawdown against your VAT refunds and tax credits anytime
Headache-Free
We'll handle all communication with HMRC on your behalf
Efficient Automation
Tech that saves you time -- no more manual processes
Instant Cash Flow
No more waiting for your funds from HMRC
Xero app partner
Adsum integrates seamlessly with Xero
Happy customers across the UK
Adsum delivers industry-leading tax management via its TaxOS, unlocking cash flow for high growth and multi-entity businesses.
See Pricing£160m+
VAT refunds & tax credits claimed
100%
Success rate with HMRC
Matthew Fleetham, Owner, Saunton Vineyard Ltd.
Instant VAT Refunds are a game-changer. For a 3% commission it makes a lot of sense just to have certainty of cash flow. It’s very simple, very quick to set up, hardly any paperwork. And you get access to your VAT refund straight away. There must be thousands of startups that need this product.
Richard Pursey, Founder & CEO at SafeToNet Ltd
It’s great working with such a forward-thinking fintech company supporting our R&D reclaim, allowing us to reinvest back into our tech and continue protecting the safety and privacy of children on the internet.
Mason Quincey, Partner, MAS Investment Group
Adsum's speed, reliability, clear documentation and commitment were the critical points for me. I can say that Adsum is in a class of its own.
Understanding VAT refunds and tax credits
Customer Stories
3 mins read