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Mainline Partners

3.8 (9 reviews)
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Services - Mainline Partners

Accountants

Current year tax preparation and filing

Past year(s) tax preparation and filing

2 More Services

Audit and conflict resolution support

Tax planning

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Iryna Stepanchuk, CPA

Iryna Stepanchuk, CPA

(12 reviews)

DUMBO

While Iryna has provided tremendous tax and financial acumen and guidance, it's been her personal…read moresupport and care that has been truly distinguishing. Iryna helped me through a difficult stretch with great knowledge, compassion and results. It's been my pleasure to recommend Iryna to friends and family - and now everyone!

Iryna helped set up my entertainment company back in 2011 and ever since then she's been handling…read moremy small business, Aldo Ryan Entertainment and personal bookkeeping, taxes and beyond. During these years, we NEVER experienced any problems with her or any of her staff members. On the contrary: we've been very satisfied with the level of service and communication they've been providing to us. Iryna is a very smart, sharp and honest professional. She attends continuing education seminars and conferences all over the country annually. Her office applies the latest technologies in their work, which makes everything easier, more organized, protected, faster and less expensive for the client. Iryna is on top of the latest tax updates; she sends out all sorts of reminders to her customers along side with personal emails to make sure all the deadlines are met, payments scheduled, nothing missed. The response time frame is unlike all the other accountants we ever dealt with: if not within an hour, then within 24 hrs for sure (which I like very much!) During Tax season she likes to stay in touch even more: by sending all kind of reminders and preparation lists, following up and making sure everything is to a T. Every month during payroll time, her office makes sure our bank account is good to go for any kinds of withdrawals to avoid insufficient funds fees and such. I enjoy reading her monthly newsletters - not too long and very informative. We highly recommend Iryna's Tax services to any individual or company!

R&G Brenner Tax + Accounting - R&G Brenner Income Tax  Since 1941

R&G Brenner Tax + Accounting

(22 reviews)

Boerum Hill, Downtown Brooklyn

this company will paint and show you what you want and then backstab you in the end I was told I…read morewas getting hire after my contract and that's not what happen on Monday 21st I was told I have no job I was giving the run around nobody knew why I didnt get the job so they sit here lie in your face I lost job opportunities due to being told I got a job and so on when I approach the vice president he made it seem like I was incompetent dumb never comprehend what I said went over his head and still sat there like I'm wrong when it was his so call HR and managing team and so on. they never apologized or even call the next day as they said they would to see what happens they are not the company I really enjoyed working at and fell love for

DO NOT USE THIS COMPANY...RUN!!! I was charged $315 as a college student for my 2022 tax returns…read more The tax preparer, Mr. Rosenberg in Jefferson Valley, did not submit the payment due electronically as documented in the tax return until approximately 16 months later and I received notices from NYS incurring almost $200 in interest and penalties. RG Brenner's management is giving me the run-around in reimbursing these fees. Their first offer they made was a $150 credit toward my next tax return preparation...really? I made it clear I would not be using their services again. Their next offer was a check for $100 and a $100 credit toward my next tax return. I didn't accept this offer because I made it clear I would not be returning and am still waiting for their response. Management will not respond directly...they communicate via their customer service reps. This has been a very frustrating and time-consuming experience and still is unresolved. I will continue to pursue full reimbursement of the fees incurred as a result of Mr. Rosenberg's negligence. In the meantime I will to warn others of the way this company treats its customers. RUN!!!

Alfred W Kach, CPA

Alfred W Kach, CPA

(2 reviews)

Brooklyn Heights

I'm an artist and have a serious phobia about taxes, numbers, and anything to do with accounting…read more Because I run my own jobs, my tax load is a little heavy, and I need to rely on the expertise of a CPA. I've had some bad run-ins with accountants in the past. Many I've used have been short and gruff and even downright rude, with no patience for questions. I'm sorry, but you shouldn't be afraid to ask your accountant for the information you need to prepare! One time, I decided to "get serious" about my taxes because my business was growing, and chose a sharky "business accountant" who was a friend of a friend. That guy not only didn't save me anything (forgive me, but I really took it in the rear that year), but he ALSO required a retainer and fleeced me to the tune of a couple thousand plus. I'd had enough at that point and was determined to find someone I could really work with. A friend of mine had kept recommending Alfred Kach, but I'd heard it all before from other people about my former accountants and was skeptical. Well, I'm so pleased to say that I've now been with Alfred through several years of taxes, and she was right; this is my guy. He totally "gets" creative types, and has had this wonderful way of putting me at ease, patiently answering any questions I might have. Alfred is an old codger; he spends two hours plus on my taxes while I'm sitting there, writing everything out on a ledger sheet with a pencil, old school style. No computer programs for this guy, at least not when he's getting started on them. He's also slightly hard of hearing, so you need to speak up. But I'll tell ya, this guy is sharp as a tack, make no mistake about it. He is up on all the latest tax laws and deductions, and knows exactly what needs to be done (and not done) to whittle down that tax bill. He doesn't miss a trick, and he makes sure you don't, either, and will ask you about things you might have missed (none of my other accountants have done this for me). At the end, it all get's E-Filed, if that's your preference. He's saved me a lot of money and unnecessary anxiety, and doesn't overcharge me, either. Alfred is THE MAN! I laugh now when I think back to that other "big-deal" accountant who saved me so little and charged me so much.

I recommend going to see Mr. Kach. He is a very sweet man who does his bookkeeping by hand, then…read morehas an associate do the double checking and entering into the computer. Alfred asked all the right questions about my job in the entertainment business and advised what was correct (and not ok) to file exemptions on. Because my taxes are fairly straightforward, he did them while I waited (about 20 mins), so I knew right away if I would get a refund. He mailed the paperwork a couple days later, very neatly laid out - all I had to do was sign and send (he even included envelopes already addressed). He is an older gentleman, so do speak up, but he is very sharp, diligent and kind - which goes a long way these days!

Mainline Partners - taxservices - Updated May 2026

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