Call us

+359 897 818 116

Email address

office@accountingservice-bg.com

Address

Bulgaria, Sofia

Avia Invest — an accounting company with over 20 years of experience.

ACCOUNTING SERVICES

We handle the accounting so you can focus on your business. We work with individuals as well as small and medium-sized enterprises—delivering timely, transparent service without unnecessary bureaucracy.

We offer a full range of accounting services to be of maximum benefit to you and your business.

At Avia Invest, we value good, effective communication, adherence to deadlines, and timely consultation. We strive to build long-term relationships with our clients and partners. We would be delighted if you placed your trust in us!

Accounting Services

Ongoing bookkeeping for all documents, maintenance of accounting records, and comprehensive reporting — performed regularly, accurately, and without delay.

Tax Consulting

We help you make informed decisions—before they become a problem. Planning, optimization, and clear answers to specific questions.

Representation before the National Revenue Agency

During inspections, audits, or correspondence with the tax authorities, we stand by your side and speak on your behalf.

Payroll and social security processing

Calculation of remuneration and social security contributions, and submission of the necessary documents — on time, every month.

Annual Financial Statements

We prepare and publish your annual financial statements in accordance with all legal requirements.

VAT registration and reports

VAT registration, preparation of VAT returns and VIES declarations — no missed deadlines.

Company registration

Starting a business? We handle the entire process—from selecting the legal form to registration in the Commercial Register. We also assist with all necessary registrations with the relevant authorities—such as the National Revenue Agency (NRA), the National Social Security Institute (NSSI), the Food Safety Agency, Customs, municipalities, and others—ensuring you can start operations without unnecessary delays or red tape.

Financial Consulting and Business Planning

We help startups and established companies make the right decisions for business development—including financial forecasting, the selection of accounting policies, and cash flow planning. We advise you on how to build a solid financial foundation for growth.

Liquidation and De-registration of Companies

Closing down your business? We handle the entire process of terminating and deregistering the company—from the decision to liquidate to its removal from the Commercial Register. We also assist with settling all obligations to the National Revenue Agency (NRA), the National Social Security Institute (NSSI), and other institutions.

We have many years of experience and many satisfied clients.

You can count on us!

In us, you will find a long-term partner you can trust, allowing you to have peace of mind regarding your finances.

Years of experience

Customers served

100% Documents submitted on time

Specialists on the team

We have experience in accounting services.

We offer reliable accounting services for companies, freelance professionals, and self-insured individuals. We work professionally, discreetly, and punctually, ensuring you have peace of mind regarding your documentation and reporting.

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FREQUENTLY ASKED QUESTIONS

Questions about accounting services

See answers to the most frequently asked questions from our customers.

We offer comprehensive accounting services, document processing, VAT returns, annual financial statements, payroll services, and consultations.

Yes, we work with both newly registered businesses and established companies. We can assist you right from the very beginning.

The price depends on the volume of documents, the number of employees, VAT registration, and the specific services you require.

Yes, we prepare and submit the necessary declarations to the National Revenue Agency (NRA) on time, including VAT returns, social security filings, and annual tax returns.

Yes, we prepare employment contracts, payroll records, sick leave documentation, social security filings, and other employee-related documents.

Affordable accounting services

Tailored solutions to meet your business needs.

We offer accounting services at clear, fair rates for companies, freelance professionals, and self-insured individuals. Pricing is determined based on document volume, the number of employees, and the specific services you require.

We operate without hidden fees and agree on all terms upfront. You receive peace of mind, accuracy, and professional service every month.

Professional accounting services for your business

We handle your accounting, tax returns, and company documents so that you have more time to grow your business.

Our pricing packages

I know how important it is to have a trusted accountant who understands your business needs. Take a look at our accounting service packages, tailored to the requirements of various business types and document volumes—from startups to established companies.

The listed prices are starting prices for the respective package. The final price is determined after reviewing the volume of documents.

Not sure which package is right for you? That is completely normal. Write to us or give us a call—we will review your operations together and let you know what you need. The initial consultation is free and comes with no obligation.

On-demand services

Outside the packages — for specific needs and one-off tasks.

Need something you don’t see on the list? Ask us—we can likely help or point you to the right person.

Company registration

From choosing a legal form to registration in the Commercial Register

Liquidation and De-registration of Companies

The entire procedure, including the settlement of obligations to the NRA and the NSSI.

Tax defense during audits and inspections

Representation, drafting of objections, and appeals

Preparation of a business plan

For bank financing or applying for European programs

Reconstruction of overdue accounting records

If your documents are in disarray or you have been left without an accountant

Financial Consulting and Business Planning

For startups and growing companies

Refund of overpaid VAT

VAT: We facilitate the prompt and accurate recovery of VAT by handling the entire process—from document preparation to communication with the National Revenue Agency (NRA).

Intrastat declarations and VIES reporting

Preparation and submission of Intrastat declarations and VIES statements to ensure full compliance with EU trade requirements.

Preparation of interim financial statements

For investors, banks, or personal use

A1 certificates

Certificates of applicable social security legislation for posting or working in another EU country

Payroll and HR Administration

Employment contracts, job descriptions, personnel files

Preparation of documents for retirement

Preparation and processing of documents regarding social security service and income (forms UP-2 and UP-3), data verification, and assistance with submitting the application to the National Social Security Institute (NSSI).

Why choose Avia Invest?

Because we offer you not just accounting services, but peace of mind. We keep track of deadlines, pay attention to the details, and are available whenever you have a question—without unnecessary formalities or waiting. You focus on your business; we’ll handle the numbers.

Explore our accounting service packages, tailored to your business type and the volume of documentation—ranging from startups to established companies. The packages below serve as a guide to give you an idea of ​​the costs; a precise quote is determined individually based on your company’s specific needs.

Reliable and secure

Years of experience and many satisfied clients attest to our enduring reliability.

Easy and fast communication

We use all communication channels to ensure maximum convenience for our clients.

We love our work.

A love for our work drives us to learn new things every day, keep pace with changes, and constantly improve.

Honesty and accuracy

Our goal is transparent and open business relationships.

Request your personalized quote right now.

Send an inquiry

Contact us

Address

Sofia 1000, 41 Aleksandar Stamboliyski Blvd., 1st floor, Apt. 1

Contact number

+359 897 818 116