Accounting. Rebooted.
In London.
Straight-talking accountants in London — accounting, tax and finance support for startups, scale-ups and owner-managed businesses. Smart technology, honest advice, and a team two minutes from London Bridge station who are firmly on your side.
500+
UK clients
Award-winning
as voted by accountants
Xero & QuickBooks
certified
Colechurch House
Ascendant Accountants — London
Colechurch House, Unit 3.04, London Bridge Walk, London SE1 2SX
Champion small business. That’s the job. Accounting built around London’s entrepreneurs and scale-ups — not big-firm processes.
At a glance
Ascendant Accountants is an award-winning accountancy firm in London
Services: accounts, tax returns, bookkeeping, VAT and payroll — plus Smart Finance Function™, CFO support, R&D tax relief, SEIS/EIS and share schemes as you scale.
Who for: startups, scale-ups and owner-managed businesses across London — from London Bridge and the City to Shoreditch and beyond.
Pricing: fixed monthly plans from £30/month for individuals and £79/month for businesses.
Where: Colechurch House, Unit 3.04, London Bridge Walk, SE1 2SX — two minutes from London Bridge station.
Led by: Luke Streeter FCA — Managing Director, Southern Region & Finance-as-a-Service.
Finding us
Easy to reach, easy to park, easy to work with
By train & tube
London Bridge station is two minutes’ walk — National Rail plus the Northern and Jubilee lines. Step out, cross London Bridge Walk, you’re here.
By car
Honestly? Take the train. If you must drive, the nearest public car park is NCP London Bridge (Snowsfields, SE1 3RU) — and note the Congestion Charge and ULEZ.
Need a cab?
Black cab rank at London Bridge station, or any app (FREENOW, Uber, Gett). Tell them Colechurch House, London Bridge Walk.
Big firm, local roots. The capability of a serious national firm, with the warmth of the local team you already trust — every office, every time.
Award-winning
Accounting Excellence Awards 2026 finalists — Mid-Tier Firm of the Year and Deal of the Year.
“My team is here to serve you. We answer the phone, we explain things properly, and we treat your deadlines like our own.”
Luke Streeter FCA · MD, Southern Region & FaaS
Your local expert
Luke Streeter FCA
Managing Director, Southern Region — based at London Bridge
Luke is a Chartered Accountant who began his career at PwC and now leads Ascendant’s Southern Region and our Finance-as-a-Service division. He’s spent his career building and scaling modern finance functions for entrepreneurial and technology-led companies — turning data into decisions for fast-growth businesses.
What we do here
The everyday stuff, done brilliantly
Accounts filed on time, tax that never surprises you, and numbers you actually understand. That’s the foundation — everything else is optional.
Accounts & Tax Returns
Year-end accounts and tax returns sorted properly and filed on time, with advice in plain English along the way.
Bookkeeping & VAT
Clean, up-to-date books on Xero or QuickBooks, and VAT returns handled without the headaches.
Payroll
Your team paid correctly and on time, every time — payslips, pensions and HMRC all handled.
SEIS & EIS
Investment scheme support for London startups raising equity — proving investment potential to cash-ready investors.
R&D Tax Relief
If you’re innovating, we’ll make sure you claim what you’re entitled to — nothing more, nothing missed.
Finance Function & CFO
Smart Finance Function™ and CFO support for scaling businesses — proven systems, reporting and strategic firepower when you’re ready.
Fixed monthly prices. No surprises.
Know exactly what you’ll pay, every month. Plans flex as your business grows — and everything includes real humans you can call.
Local proof
Trusted by London businesses
Legends! I’ve been working with them for 3 years, and they’ve allowed us to grow our business rapidly with affordable support!
Andy Jeffries — Dock and Bay, London
We were looking for an accountancy firm that was beyond tax returns, payroll and management accounts. We needed something different with bigger thinking.
Ben Dowdeswell – Freepaper Ltd
London office — common questions
4 questions · click to expand
Where is your London office?
We’re at Colechurch House, Unit 3.04, London Bridge Walk, London SE1 2SX — two minutes’ walk from London Bridge station, on the Northern and Jubilee lines and National Rail.
What accounting services do you offer in London?
Accounts, tax returns, bookkeeping, VAT and payroll as standard — plus Smart Finance Function™, CFO support, R&D tax relief, SEIS/EIS and share schemes for startups and scale-ups as they grow.
Who leads the London team?
Luke Streeter FCA — Managing Director of our Southern Region and Finance-as-a-Service division. He began his career at PwC and specialises in scaling modern finance functions for entrepreneurial, technology-led businesses.
Can I meet my accountant in person?
Absolutely. While most of our work happens over the cloud, you’re always welcome at London Bridge — pop in for a coffee and a proper conversation whenever it helps. Just give us a call to arrange a time.
Rebooting accounting, town by town
Find us across the UK
Who we help
Common questions in specialist sectors
In addition to local teams, we have teams that specialise by sector. Understanding the metrics, the tax relief, and the funding routes saves time explaining your business model to your accountant. We know what works.
Common eCommerce Problems
“Sales are up 40% — so why is there never any cash?”
Marketplace fees, inventory and cross-border VAT reconciled automatically, so you see true margin by SKU and channel.
Tech, SaaS & AI Team
“Are our metrics actually ready for investor diligence?”
MRR, deferred revenue and board-grade reporting — with SEIS/EIS, EMI and R&D handled under the same roof.
Professional Services
“Which of our projects actually make money?”
Utilisation, WIP and lock-up tracked as standard, with project-level margin reporting every month.
Meet your Strategic CFO
Talk to an expert about your business challenges
Supporting businesses across a range of industries. Whether it’s improving performance, solving challenges, or creating clarity from complexity, we’ll help you identify what to focus on first.