Bookkeeping & VAT | Year End Accounts &Corporation Tax |
Payroll Management
Management Accounting | Company
Formation & Secretariat Services |
Company Self-Assessment
& Personal Tax Returns
Tax Claims and Refunds - CIS | Partnership, Property Accounts & Returns | Tax Advisory Services & HMRC Investigations

WELCOME TO ADDITIONS PLUS ACCOUNTANTS

Your Local Accountancy Experts in Slough & Berkshire for Over 15 Years

At Additions Plus, we offer more than just numbers — we deliver clarity, confidence, and a genuine commitment to your financial success. Based in Slough and proudly serving the surrounding Berkshire area, we’ve been supporting small businesses, start-ups, and individuals with trusted accountancy services for over 15 years.

We provide our services for more than 250+ SMEs across various industries such as Construction, Transport, Property, Business Consultancy, Information Technology, Healthcare, Restaurant, Wholesale and Retail Trading across the island. Also, we cater to 1000+ individual clients in each financial year throughout the United Kingdom.

Whether you’re launching a new business or managing growth, our qualified team provides expert advice and practical support tailored to your unique needs. We understand the challenges small businesses face — and we’re here to make things easier.

What Makes Us Different?

We’re not just accountants — we’re proactive partners in your business journey. From bookkeeping and tax returns to consultancy and compliance, we offer complete, end-to-end financial solutions with a personal touch.  Let’s take the stress out of your accounts — and help your business thrive.
Contact us today to book your free consultation!

WELCOME TO ADDITIONS PLUS ACCOUNTANTS

Your Local Accountancy Experts in Slough & Berkshire for Over 15 Years

At Additions Plus, we offer more than just numbers — we deliver clarity, confidence, and a genuine commitment to your financial success. Based in Slough and proudly serving the surrounding Berkshire area, we’ve been supporting small businesses, start-ups, and individuals with trusted accountancy services for over 15 years.

We provide our services for more than 250+ SMEs across various industries such as Construction, Transport, Property, Business Consultancy, Information Technology, Healthcare, Restaurant, Wholesale and Retail Trading across the island. Also, we cater to 1000+ individual clients in each financial year throughout the United Kingdom.

Whether you’re launching a new business or managing growth, our qualified team provides expert advice and practical support tailored to your unique needs. We understand the challenges small businesses face — and we’re here to make things easier.

What Makes Us Different?

We’re not just accountants — we’re proactive partners in your business journey. From bookkeeping and tax returns to consultancy and compliance, we offer complete, end-to-end financial solutions with a personal touch.  Let’s take the stress out of your accounts — and help your business thrive.
Contact us today to book your free consultation!

OUR SERVICES

WHAT OUR CLIENTS THINK ABOUT US

5.0
Based on 18 reviews
powered by Google
Flory Gomez
16:00 26 Aug 24
I highly recommend, the support and advice are upmost valuable .
They are always accessible, always reliable , on your best interest .
They are absolutely fantastic!
Response from the owner 08:39 27 Aug 24
Thanks for the valuable comment.-Additions Plus Accountants in Slough is specialized in Accounting, Bookkeeping, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
Simon Stokes
22:10 30 Jul 24
I have been using Additions Plus now for a year and I cannot rate them highly enough for their attention to detail and ability to make my life easier when dealing with my accounts. Raj and the team have been nothing but a delight to deal with. I thank them all for their advice and help along the way. No questions or tasks are too much, they work quickly and efficiently with everything they do. I can’t ask for anything more in help with my accounts.
Response from the owner 11:02 13 Aug 24
Thanks for the valuable comment.-Additions Plus Accountants in Slough is specialized in Accounting, Bookkeeping, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
Bradley Hewitt
19:59 26 Jul 24
Response from the owner 11:02 13 Aug 24
Thanks for the review.-Additions Plus Accountants in Slough is specialized in Accounting, Bookkeeping, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
ramesh parmar
12:42 26 Jul 24
Additions Plus Where the winning formula equates to the correct answer, All this collated from the a pile of invoices and receipts, resulting with them dealing with the appropriate company(s) with the frightening acromion like H.M.R.C & V.A.T. Leaving me stress free with the acromion that I understand at the end of the week, B.A.R & V.A.T.
Response from the owner 11:02 13 Aug 24
Thanks for the valuable comment.-Additions Plus Accountants in Slough is specialized in Accounting, Bookkeeping, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
Sunny
09:31 25 Jul 24
Been using them for many years and would not hesitate to recommend highly.
Response from the owner 09:46 25 Jul 24
Thanks for the valuable comment.-Additions Plus Accountants in Slough is specialized in Accounting, Bookkeeping, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
Terry Grant
15:34 23 Jul 24
I have been using Raj and her team for my business and personal accounts for over 20 years and have always found their service to be exceptional. Never missed a deadline, always available to discuss anything, no hidden extra charges, friendly and helpful service, reasonable charges. I really cant fault them....which is why I never even consider going elsewhere 🙂
Response from the owner 14:46 22 Jul 24
Thanks for the valuable comment. -Additions Plus Accountants in Slough is specialized in Accounting, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
Sukhbir Sidhu
12:37 23 Jul 24
Always a prompt and highly professional service. I would recommend this firm without hesitation.
Response from the owner 14:45 22 Jul 24
Thanks for the valuable comment. -Additions Plus Accountants in Slough is specialized in Accounting, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
GIANNIS MASTRANTONAKIS
12:21 23 Jul 24
Work with additional plus
Is a pleasure
These are correct people for the work
My company have change 3 accounts in the past
Bit now we are not going to change again
We high recommend additional plus
Response from the owner 09:39 25 Jul 24
Thanks for the valuable comment.-Additions Plus Accountants in Slough is specialized in Accounting, Payroll, Bookkeeping, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
Raj C
12:10 23 Jul 24
I’ve been using this firm for a number of years now and are always helpful and accommodating.

If you’re looking for an accountant to deal with your paperwork whilst you concentrate on your business, look no further!
Response from the owner 09:46 25 Jul 24
Thanks for the valuable comment.-Additions Plus Accountants in Slough is specialized in Accounting, Bookkeeping, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
Kapil Arora
12:08 23 Jul 24
I have had the pleasure of working with Addition Plus for the past 15 years, and I cannot recommend their services highly enough. Their expertise, professionalism, and dedication have been instrumental in managing my finances effectively and efficiently.

From the very beginning, Addition Plus has demonstrated an exceptional understanding of complex financial matters, ensuring that every detail is meticulously handled. Their ability to provide clear, concise explanations and advice has been invaluable, allowing me to make informed decisions with confidence.

What sets Addition Plus apart is their unwavering commitment to their clients. They are always available to address any questions or concerns, providing timely and thoughtful responses. Their proactive approach to financial planning and tax strategy has saved me significant amounts of money over the years, and their attention to detail has prevented potential issues before they arise.

In addition to their technical skills, Addition Plus is a person of utmost integrity and trustworthiness. I have complete confidence in their ability to manage my financial affairs with the highest level of professionalism and discretion.

After 15 years of outstanding service, I can honestly say that Addition Plus is more than just an accountant; they are a trusted advisor and partner. If you are looking for an accountant who will go above and beyond to meet your needs, look no further than Addition Plus.

Thank you, Raj, Waseem and Asjadh for your exceptional service and unwavering support over the years. Here's to many more successful years ahead!

Sincerely,
Kapil Arora
Response from the owner 09:46 25 Jul 24
Thanks for the valuable comment.-Additions Plus Accountants in Slough is specialized in Accounting, Bookkeeping, Payroll, Tax Return & Company Secretarial Services for Businesses & Self-Assessments Tax Return Services for Individuals-
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Bookkeeping & VAT Returns

Maintain accurate and up-to-date financial records to provide a clear view of your business’s financial position.

Record all daily transactions, including sales, purchases, receipts, and payments, with precision.

Prepare and submit VAT returns in full compliance with HMRC deadlines to avoid penalties.

Offer tailored bookkeeping solutions for businesses of all sizes, including cloud-based accounting platforms for real-time access.

Provide regular reports and reconciliations to assist with cash flow management and budgeting.

Year End Accounts & Corporation Tax

  Prepare statutory year-end accounts that comply with UK accounting standards and Companies House requirements.

Compile comprehensive financial statements reflecting your company’s financial health, including profit and loss, balance sheet, and cash flow statements.

Calculate corporation tax liabilities accurately, maximising allowable reliefs and deductions to minimise tax exposure.

Submit corporation tax returns to HMRC on time, ensuring compliance and avoiding penalties.

Offer advisory services on tax planning opportunities linked to year-end accounts and future business strategy.

Payroll Management

Provide complete payroll administration including calculation of gross pay, deductions (PAYE, National Insurance, pensions), and net pay.

Ensure compliance with statutory payroll obligations, including RTI submissions to HMRC and auto-enrolment pension requirements.

Manage statutory payments such as maternity, paternity, sick pay, and other employee benefits.

Offer flexible payroll services tailored to your business size and workforce structure, ensuring timely and accurate employee payments.

Provide payslips, year-end forms (P60/P45), and maintain payroll records securely.

Management Accounting

Deliver customised financial reports including profit and loss statements, cash flow forecasts, and budgeting analyses.

Provide insightful financial data to support strategic decision-making and business planning.

Help identify trends, cost-saving opportunities, and areas for growth through regular performance reviews.

Assist in setting financial targets and monitoring progress against budgets.

Offer ad-hoc financial analysis and scenario planning to guide business expansion or investment decisions.

Company Formation & Secretariat Services

Facilitate the quick and efficient registration of new companies, including limited companies, LLPs, and charities.

Ensure compliance with all legal and regulatory requirements during company incorporation.

Provide ongoing company secretarial support, including maintenance of statutory registers and filing of annual confirmation statements.

Manage shareholder communications, board meeting minutes, and resolutions to uphold governance standards.

Advise on corporate structure, shareholdings, and compliance with Companies House regulations.

Self-Assessment & Personal Tax Returns

Prepare and submit personal self-assessment tax returns accurately and on time to avoid penalties.

Advise on allowable expenses, reliefs, and deductions to optimise personal tax liabilities.

Assist a diverse client base including sole traders, landlords, company directors, and investors.

Provide clear guidance throughout the tax filing process to minimise complexity and ensure compliance.

Offer ongoing support for tax queries and liaise with HMRC on behalf of clients where required.

Tax Claims & Refunds – Construction Industry Scheme (CIS)

Provide expert guidance on CIS rules and regulations to help contractors and subcontractors meet their obligations.

Manage preparation and submission of CIS tax claims and refunds, maximising recoverable amounts.

Verify eligibility for refunds and oversee prompt processing by HMRC.

Assist with CIS compliance checks and resolving any disputes with HMRC.

Help improve cash flow by recovering overpaid CIS deductions efficiently.

Partnership, Property Accounts & Returns

Prepare detailed partnership accounts and allocate profit shares accurately in line with partnership agreements.

Handle accounting and tax return preparation for property businesses, including rental income and expenses.

Ensure compliance with relevant tax legislation impacting partnerships and property owners.

Advise on tax planning opportunities such as reliefs and allowances applicable to property and partnership income.

Support clients in managing complex financial arrangements, including joint ventures and multiple property portfolios.

Tax Advisory Services & HMRC Investigations

Provide proactive and comprehensive tax planning and advisory services across a wide range of taxes including Income Tax, Capital Gains Tax (CGT), Stamp Duty Land Tax (SDLT), and Inheritance Tax (IHT).

Conduct thorough tax reviews to identify planning opportunities that optimise tax liabilities while ensuring full compliance with current legislation.

Advise on complex tax issues related to property transactions, asset disposals, estate planning, and wealth transfer.

Offer expert representation and support during HMRC investigations and enquiries, protecting your interests throughout the process.

Prepare accurate responses, handle appeals, and negotiate with HMRC on your behalf to resolve disputes efficiently.

Assist in structuring transactions and succession plans to mitigate exposure to CGT, SDLT, and IHT, preserving wealth and minimising tax burdens.