UNITED KINGDOM  ·  Serving UK SMEs, contractors & overseas Britons nationwide  ·  View all 5 countries →

ICAP Certified in Accounting and Finance — HMRC / Companies House / UKIPO / Compliance, United Kingdom

HMRC personal and corporate tax, Companies House filings and ECCT Act identity verification, UKIPO trademark and patent filing, MTD-compliant VAT, and PAYE payroll — handled remotely for UK SMEs, contractors and overseas Britons by an ICAP CFAP-qualified tax advisor with twelve-plus years of cross-border experience.

12+
Years in practice
25
Years backlog handled
5
Jurisdictions served
100%
Remote engagements
ICAP CFAPCertified in Accounting and Finance
QuickBooksProAdvisor Certified
Xero AdvisorCertified
FRS 102 / 105UK GAAP Specialist
AML / MLRCompliance Specialist
Cross-BorderTax Advisor

The UK regulatory landscape

Five authorities, one practice

UK compliance is built around five categories of regulator. Compared to most jurisdictions, the UK system is highly consolidated — payroll is unified under HMRC, the corporate registry is single (Companies House), and the accounting framework is set by one body (FRC). What makes the UK different is the depth of detail required: MTD digital filing, RTI real-time payroll, the new ECCT Act identity verification — each adds an operational layer that we manage on your behalf.

01 · IP Protection

UKIPO

UK Intellectual Property Office (operating name of the Patent Office)

Patents, trademarks (10-year renewable terms), registered designs (up to 25 years), and copyright recordal. Currently transforming under the One IPO Transformation Programme. Average 25% fee increase from 1 April 2026.

02 · Tax Authority

HMRC

HM Revenue & Customs

Self Assessment (SA100), Corporation Tax (CT600), VAT under Making Tax Digital, PAYE, CIS, Capital Gains Tax (60-day residential property reporting), Inheritance Tax. UK tax year runs 6 April to 5 April.

03 · Business Registry

Companies House

Executive agency under the Department for Business and Trade

Incorporation, confirmation statements, annual accounts, PSC register, director and shareholder filings. The Economic Crime and Corporate Transparency Act 2023 (ECCT) is rolling out mandatory identity verification for directors and PSCs. From 1 April 2026, accounts must be filed via commercial software (WebFiling is being retired).

04 · Accounting Oversight

FRC

Financial Reporting Council (transitioning to ARGA)

Sets UK GAAP — FRS 100, FRS 101 (reduced disclosure for IFRS subsidiaries), FRS 102 (small & medium companies, with section 1A for small), FRS 105 (micro-entities). Oversees audit profession, Corporate Governance Code and Stewardship Code.

05 · Payroll & Workplace Pension

HMRC PAYE + NIC + TPR (auto-enrolment)

Unified HMRC payroll system with separate TPR oversight of workplace pensions

UK payroll is consolidated under HMRC: PAYE income tax withholding + Class 1 NIC (employee + employer) + Class 1A NIC on benefits + Apprenticeship Levy for larger employers. Submissions are filed via Real Time Information (RTI) on or before each pay day — Full Payment Submission (FPS) and Employer Payment Summary (EPS). Workplace pension auto-enrolment is overseen separately by The Pensions Regulator (TPR). Year-end: P60s by 31 May, P11Ds by 6 July.

What we do

Services tailored to the United Kingdom

Five disciplines, each mapped to the authority that governs it. We use UK terminology — SA100, CT600, MTD, RTI, IR35, FRS 102, NRL, EIS — and file through HMRC, Companies House and UKIPO online systems via MTD-compatible commercial software.

Tax (HMRC)

  • Self Assessment SA100 returns (resident & non-resident)
  • CT600 Corporation Tax returns
  • VAT registration & quarterly returns under Making Tax Digital
  • MTD for Income Tax Self Assessment (ITSA) setup
  • PAYE annual filings
  • CIS (Construction Industry Scheme) returns
  • Capital Gains Tax — 60-day residential property reporting
  • ATED for company-owned residences
  • R&D tax credit claims (merged scheme / SME / RDEC)
  • EIS / SEIS advance assurance applications
  • IR35 status determination & contract review
  • Non-Resident Landlord (NRL) scheme
  • HMRC enquiry response & correspondence
Specialist Area

Corporate & Companies House — Specialist Practice

  • Company incorporation specialist across all 5 jurisdictions — Pakistan, Canada, USA, UK & Saudi Arabia (coordinating with local counsel in each jurisdiction where required)
  • UK Ltd company incorporation (private limited by shares)
  • Limited Liability Partnership (LLP) incorporation
  • Companies House identity verification under ECCT Act 2023
  • Confirmation statements (annual)
  • Annual accounts filing — FRS 102 / FRS 102 section 1A / FRS 105
  • PSC register filings (People with Significant Control)
  • Director appointments & resignations (AP01 / TM01)
  • Share allotments, transfers & buybacks
  • Articles of Association amendments
  • Change of company name
  • Pre-listing readiness pack
  • Authorised capital amendments & share issuance
  • Voluntary strike-off (DS01) & restoration applications
  • Multi-year backlog filings & restoration — backed by 25-year SECP restoration experience applied to UK

Intellectual Property (UKIPO)

  • Trademark search via UKIPO database
  • UK trademark filing (10-year renewable terms)
  • Trademark renewals & restoration
  • Patent applications (full + provisional with priority claim)
  • Registered design protection (up to 25 years)
  • Copyright recordal
  • Madrid Protocol filings (UK designation)
  • UKIPO opposition & revocation proceedings
  • Response to examiner reports

Payroll (HMRC PAYE + NIC + TPR)

  • PAYE scheme registration
  • Monthly RTI submissions (FPS & EPS)
  • Income tax withholding & Class 1 NIC (employee + employer)
  • Class 1A NIC on benefits in kind
  • Apprenticeship Levy (where applicable)
  • P11D benefits in kind reporting
  • P60 (annual) & P45 (leavers)
  • Auto-enrolment workplace pension administration (TPR-compliant)
  • CIS contractor deductions & CIS300 monthly returns
  • Statutory payments — SMP, SPP, SSP, SAP
  • Directors' payroll & dividend planning

Accounting & Reporting (FRS 102 / FRS 105 / IFRS)

  • Xero / QuickBooks / FreeAgent / Sage setup & migration
  • Monthly bookkeeping
  • FRS 102 financial statements (medium companies)
  • FRS 102 section 1A (small companies)
  • FRS 105 micro-entity accounts
  • IFRS for listed entities (where applicable)
  • iXBRL tagging for Companies House & HMRC
  • Management accounts & cash-flow forecasts
  • Audit-readiness preparation & coordination with UK Registered Auditors
  • Year-end close support

Cross-Border & Overseas Britons

  • Non-resident Self Assessment SA100 filings
  • Statutory Residence Test determinations
  • Split-year treatment claims
  • Non-Resident Landlord (NRL) scheme — NRL1 / NRL2 / NRL3 applications
  • Double tax treaty relief positions
  • CGT on UK residential property (60-day reporting)
  • Inheritance tax / domicile planning
  • Returning expat tax planning
  • Pakistan ↔ UK coordination for dual filers

About the practice

Karachi-based. Serving the UK remotely.

Adam Business Consultants is led by Adnan Adam, ICAP-qualified in Certified Accounting and Finance (CFAP) and a QuickBooks ProAdvisor with twelve-plus years of cross-border tax advisory practice. The firm is based in Karachi and serves UK clients entirely remotely — through email, WhatsApp, scheduled video calls and secure document sharing.

Our UK client base spans Ltd company directors, contractors operating through Personal Service Companies, sole traders and landlords, Pakistani-British dual filers, and overseas Britons filing UK rental returns under the NRL scheme. The thread that runs through the practice is a preference for getting the regulatory mechanics right at the outset — the right framework (FRS 102, FRS 102 section 1A, or FRS 105), the right filing route, the right MTD-compatible software — rather than retrofitting compliance after an HMRC notice arrives.

Where UK engagements require services restricted to UK Registered Auditors, ICAEW or ACCA-qualified practitioners, Chartered Tax Advisers, or solicitors — for example, statutory audits, certain assurance reports, regulated tax appeals — we coordinate with vetted UK-based counsel. Our role is tax preparation, bookkeeping, compliance advisory and Companies House filings — we take work end to end remotely and bring in UK-licensed professionals where statute requires it.

We invoice in GBP for UK-resident clients and in USD, CAD, PKR or SAR for cross-border engagements. Fees are transparent and quoted at the start of each engagement.

Experience highlights
25
Years of regulatory backlog cleared in a single engagement Multi-decade dormant compliance restored to good standing — a depth of corporate restoration work few practices have handled.
5
Jurisdictions for company incorporation Pakistan, Canada, USA, UK & Saudi Arabia. Incorporation specialist coordinating with local counsel in each jurisdiction where required.
12+
Years across tax, corporate & IP filings HMRC, Companies House, UKIPO, plus Pakistan FBR & SECP — full-stack regulatory practice across two continents.
Certifications
ICAP Certified in Accounting and Finance (CFAP) · QuickBooks ProAdvisor · Xero Advisor Certified · FRS 102 / FRS 105 reporting · AML / MLR compliance specialist

Frequently asked

UK compliance, plainly explained

The questions clients ask us first — sole trader vs Ltd, Companies House identity verification under the ECCT Act, MTD VAT, IR35, the NRL scheme. If your question is not here, send it to us.

Sole trader vs Limited company vs LLP — which is right for me?

A sole trader is the simplest UK structure — no Companies House registration, just self-employed status with HMRC. Profits taxed as personal income; full personal liability. A Limited company is a separate legal entity registered with Companies House — limited liability, more credibility, more tax planning flexibility (salary plus dividends), but more administrative burden (annual accounts, confirmation statement, CT600). An LLP combines partnership flexibility with limited liability — common for professional services firms and joint ventures. We assess each client's income level, liability appetite, growth plans and tax position before recommending one route. For many UK contractors and consultants, a Ltd company becomes worthwhile above roughly £30,000-£40,000 of profit, but this depends on extracting strategy and other income.

What is the Companies House identity verification under the ECCT Act?

The Economic Crime and Corporate Transparency Act 2023 introduced mandatory identity verification for all UK company directors, People with Significant Control (PSCs), and certain other roles. Identity verification is being rolled out by Companies House through 2025-26 and is becoming a precondition for new incorporations, ongoing director appointments, and PSC filings. Verification can be done directly through Companies House's GOV.UK One Login or via an Authorised Corporate Service Provider (ACSP). Failure to verify on time will result in financial penalties and ultimately the inability to act as a director. We help clients complete identity verification correctly and manage timelines so director appointments are not held up.

When must I register for VAT and what is Making Tax Digital?

VAT registration becomes mandatory once your taxable turnover exceeds the HMRC threshold over a rolling 12-month period (the threshold is reviewed annually at Budget). Voluntary registration below threshold can help businesses that buy from VAT-registered suppliers (you can reclaim input VAT) or sell B2B to VAT-registered customers. Making Tax Digital (MTD) for VAT is now mandatory for almost all VAT-registered businesses — quarterly returns must be filed using MTD-compatible software (Xero, QuickBooks, FreeAgent, Sage etc.). MTD for Income Tax Self Assessment (MTD ITSA) is being phased in from April 2026 for self-employed and landlords above prescribed turnover thresholds. We set up MTD-compatible software and handle quarterly submissions end-to-end.

Self Assessment SA100 — who must file and what are the deadlines?

You must file a UK Self Assessment SA100 if you are self-employed earning above the trading allowance, a company director with untaxed income, a higher-rate taxpayer with savings or dividend income, a landlord, someone earning above the high-income Child Benefit threshold, someone with foreign income, or selling assets liable to CGT. The deadlines are: register for Self Assessment by 5 October following the tax year ended 5 April. Paper return deadline 31 October. Online return deadline 31 January. Payment on account due 31 January and 31 July. Late filing penalty is £100 immediately, escalating sharply at 3, 6 and 12 months. We file SA100 returns for resident and non-resident UK taxpayers, including overseas Britons.

What is the Corporation Tax CT600 cycle?

The CT600 Corporation Tax return must be filed with HMRC within 12 months of the end of the company's accounting period. Critically, the Corporation Tax payment is due earlier — 9 months and 1 day after the end of the accounting period. This catches many directors out because the cash leaves before the return is filed. Annual accounts also have to be filed with Companies House (separately) within 9 months of the year end for private companies. Interest accrues on late Corporation Tax payments from the day after the due date. Larger companies (taxable profits above £1.5 million, with reduced thresholds for groups) pay quarterly instalments rather than a single payment.

How does PAYE and NIC work for UK employers?

UK employers operate PAYE (Pay As You Earn) under HMRC. From each employee's salary the employer withholds income tax (based on the employee's tax code) and employee Class 1 NIC. The employer additionally pays employer Class 1 NIC on top of salary, Class 1A NIC on benefits in kind, and the Apprenticeship Levy (for employers with annual pay bill above the threshold). Submissions are made via Real Time Information (RTI) on or before each pay day — Full Payment Submission (FPS) for each run, Employer Payment Summary (EPS) where required. Year-end produces P60s to employees by 31 May and P11Ds for benefits in kind by 6 July. PAYE registration is required within strict timeframes of taking on staff. We handle PAYE schemes end-to-end.

What is IR35 and who does it affect?

IR35 (off-payroll working rules) targets contractors who provide their services through an intermediary — typically a Personal Service Company (PSC) — but who would be employees of the end client if engaged directly. Where IR35 applies, the engagement is treated as employment for tax purposes, with PAYE and NIC deducted at source. Since April 2021, for medium and large clients in the private sector and all public-sector clients, the end client (not the contractor) determines IR35 status and bears the liability. For small private-sector clients, the contractor still self-assesses. Getting the determination wrong creates significant tax exposure on both sides. We help contractors review status determinations, draft contracts that support an outside-IR35 position where appropriate, and respond to HMRC challenges.

What is the difference between FRS 102 and FRS 105?

Both are part of UK GAAP under the FRC's Financial Reporting Standards. FRS 105 is the framework for micro-entities — companies meeting two of three criteria: turnover up to roughly £632,000, balance sheet up to roughly £316,000, fewer than 10 employees. FRS 105 has the simplest disclosure requirements and uses historical cost throughout. FRS 102 is the framework for small and medium-sized entities — much wider in scope, with more disclosure requirements, and section 1A available for small companies as a streamlined option. Choice depends on size and stakeholder requirements. We confirm the applicable framework at the start of each engagement and structure the accounts accordingly.

What is the Non-Resident Landlord (NRL) scheme?

The NRL scheme applies to landlords who live outside the UK for six months or more in a tax year but own UK rental property. Under the scheme, the tenant or letting agent is required to deduct basic-rate income tax from gross rent and pay it to HMRC, unless the landlord obtains approval from HMRC (form NRL1 for individuals, NRL2 for companies, NRL3 for trusts) to receive rents gross. The landlord still has an obligation to file a UK Self Assessment return declaring the rental income on a net basis and claim credit for any tax already deducted. We obtain NRL approvals, file the resulting SA returns, and coordinate with letting agents for our clients across Pakistan, the UAE, Saudi Arabia, Canada and elsewhere.

What are R&D tax credits — SME vs RDEC?

UK R&D tax relief rewards companies for qualifying research and development expenditure. Historically there were two schemes — the SME scheme (more generous, for smaller companies) and RDEC (R&D Expenditure Credit, for larger companies and SMEs receiving certain grants). From April 2024 these have been merged into a single new RDEC-style scheme for most accounting periods, with an enhanced rate available for R&D-intensive SMEs. The transition rules and qualifying expenditure definitions changed significantly. We assess qualifying activities and expenditure, prepare the R&D narrative and computation, and submit the additional information form HMRC now requires before any R&D claim is processed.

How long does a UKIPO trademark take to register?

A UKIPO trademark application typically takes 4 to 6 months from filing to registration where no objection is raised and no opposition is filed. The stages are: filing and examination (within 2-3 weeks), publication in the Trade Marks Journal, a 2-month opposition window, and registration. The trademark lasts 10 years and is renewable in 10-year cycles indefinitely. UKIPO's One IPO Transformation Programme is currently modernising the system. UKIPO fees increased by an average of 25% from 1 April 2026. We file electronically, monitor each stage, respond to examiner reports, and handle any opposition or hearing on your behalf.

Can overseas Britons file UK tax returns through your firm?

Yes. We file UK tax returns for non-resident Britons, expats, dual residents, and Britons with UK-source income (rental, dividends, pensions, employment), all remotely. This includes Self Assessment SA100 returns under the NRL scheme, Statutory Residence Test determinations, split-year treatment claims, double tax treaty relief, and capital gains tax on UK residential property (60-day reporting). We work through email, WhatsApp and secure document upload — clients do not need to be in the UK at any point. We currently serve clients based in Pakistan, the UAE, Saudi Arabia, Canada, the USA and several other countries.

Have a question that's not covered here?

Get a free 15-minute consultation with an ICAP CFAP-qualified tax advisor. No obligation, no jargon — just a clear answer to your UK compliance question.

Insights

Compliance reading for the UK

Notes from current practice — what we are seeing in our UK engagements right now, with two big regulatory shifts that anyone running a UK business needs to track.

United Kingdom · Tax & corporate · Updated 2026

A practical guide to the UK compliance year

The UK compliance calendar runs across HMRC, Companies House, the FRC's accounting frameworks, UKIPO and TPR — each on its own cycle. Compared to most jurisdictions the UK system is highly digital, highly real-time and highly enforced. Below is the rhythm we plan UK engagements around, plus the two big shifts of the current cycle: Companies House identity verification and the continued roll-out of Making Tax Digital.

The Companies House ECCT Act overhaul — biggest UK corporate change in decades

The Economic Crime and Corporate Transparency Act 2023 is the most significant change to Companies House in a generation. Companies House is moving from a passive document repository to an active regulator with the power to query, reject and remove filings. Identity verification is now being rolled out for all directors, PSCs, and people filing on behalf of companies. Verification can be done through GOV.UK One Login directly or via an Authorised Corporate Service Provider (ACSP). Failing to verify in time will block director appointments, attract penalties, and ultimately disqualify directors. We help clients verify identity correctly, register the right ACSP route where useful, and time appointments so filings are not delayed.

Making Tax Digital — VAT is settled, ITSA is the next wave

MTD for VAT has been mandatory for almost all VAT-registered businesses for some years now — quarterly digital submission via MTD-compatible software, with digital record-keeping requirements running below the surface. The next phase is MTD for Income Tax Self Assessment (MTD ITSA), being phased in from April 2026 for self-employed individuals and landlords above prescribed turnover thresholds. Under MTD ITSA, taxpayers will file quarterly updates to HMRC, plus a final declaration, instead of a single annual Self Assessment return. The change affects how clients keep records, what software they use, and when their accountant is involved during the year. We are migrating clients onto Xero, QuickBooks or FreeAgent ahead of their MTD ITSA start date.

Self Assessment SA100 — the January cliff edge

The 31 January online filing deadline is the most punishing date in the UK tax calendar. £100 immediate penalty for missing it, escalating at 3, 6 and 12 months, plus tax-geared penalties for late payment. Payments on account fall on 31 January and 31 July. The October paper deadline catches some non-residents off guard. We start client SA100 work in October-November after the tax year ends 5 April, and clear the bulk by mid-January to avoid the rush.

Corporation Tax CT600 — pay before you file

The CT600 cycle has a peculiarity that catches directors out: tax payment is due 9 months and 1 day after year-end, but the return itself is not due until 12 months. So you pay first, file later. Companies House accounts have their own 9-month filing deadline (private companies) which usually drives the CT600 timetable anyway. Late filing of accounts attracts Companies House penalties separately from any HMRC penalties — they stack. We track both deadlines centrally for every corporate client.

PAYE & RTI — real-time, every payroll

UK payroll is real-time. Every Full Payment Submission must be filed on or before the pay date — late RTI submissions attract penalties from the first month. P60s to employees by 31 May, P11D benefits in kind by 6 July, Class 1A NIC payment by 22 July. Auto-enrolment workplace pensions sit alongside PAYE but are overseen by TPR separately. We integrate payroll, pensions and HMRC into a single monthly cycle.

VAT under MTD — quarterly and quietly demanding

Quarterly VAT returns under MTD might look simple but the digital links requirement (data flowing from source records to the return without manual re-typing) trips up businesses that still rely on spreadsheets in the middle. HMRC enforcement on digital links has intensified. We migrate clients to fully linked digital systems where they are not already there.

UKIPO trademarks — speed plus the 2026 fee jump

UK trademark applications are unusually fast compared to most jurisdictions — 4 to 6 months in a smooth case. Plan for the average 25% UKIPO fee increase that took effect 1 April 2026 (the first major adjustment in nearly thirty years for trademarks). Renewals can be filed up to 6 months early — for portfolios facing renewals around the fee change, early renewal could have been worthwhile. We monitor renewals 12 months ahead.

How we work with you

Our typical UK engagement combines monthly bookkeeping in Xero or QuickBooks with quarterly VAT under MTD, year-end accounts (FRS 102 / FRS 102 section 1A / FRS 105 depending on size), CT600, directors' SA100s, and ad-hoc Companies House filings. For overseas Britons we set up a secure document folder and handle UK filings end-to-end including NRL approvals. Where engagements require statutory audit, regulated tax appeals, or other services restricted to UK Registered Auditors or Chartered Tax Advisers, we coordinate with vetted UK-based counsel.

Get in touch

Let's start a conversation

Whether you are forming a UK Ltd company, dealing with Companies House identity verification, filing your SA100 from abroad, or protecting a brand with UKIPO — send a short note and we will reply within one working day.

Service area England · Scotland · Wales · Northern Ireland · London & nationwide · 100% remote engagements
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