Home / Auditors

Marcum LLP

PCAOB firm ID 185, 688 · Also written as: Marcum llp · Red-flag filings since 2025-04-01 where this firm is identified

2going-concern opinions
139auditor changes as the departing firm
92 resigned · 20 dismissed · 21 routine
0auditor changes as the incoming firm

Going-concern opinions

FiledCompanyEventSeverity
2025-04-28IP STRATEGY HOLDINGS, INC. (IPST)Going-concern doubt5
2025-04-15Arena Group Holdings, Inc. (AREN)Going-concern doubt5

Clients that changed away from Marcum LLP

FiledCompanyEventSeverity
2026-09-25Dragonfly Energy Holdings Corp. (DFLI)Auditor change - resigned4
2026-08-24KINGSTONE COMPANIES, INC. (KINS)Auditor change - resigned4
2026-08-14Plum Acquisition Corp. III (PLMJF)Auditor change - resigned5
2026-07-01CorMedix Inc. (CRMD)Auditor change - dismissed3
2026-04-30Gaucho Group Holdings, Inc.Auditor change - resigned5
2026-03-05Invest Acquisition CorpAuditor change - dismissed3
2025-11-26Newbury Street Acquisition CorpAuditor change - resigned4
2025-10-14SYNTEC OPTICS HOLDINGS, INC. (OPTX)Auditor change - resigned4
2025-09-16U.S. GOLD CORP. (USAU)Auditor change - resigned5
2025-09-12BRC Group Holdings, Inc. (RILY)Auditor change - dismissed4
2025-09-03NUTRA PHARMA CORP (NPHC)Auditor change - resigned5
2025-08-14Piermont Valley Acquisition Corp (CMCAF)Auditor change - routine (audit-firm merger)1
2025-08-12Marker Therapeutics, Inc. (MRKR)Auditor change - resigned5
2025-07-29Phunware, Inc. (PHUN)Auditor change - resigned4
2025-07-23Pyrophyte Acquisition Corp. (PHYWF)Auditor change - dismissed4
2025-07-22Marblegate Capital Corp (MGTE)Auditor change - dismissed3
2025-07-08PEDEVCO CORP (PED)Auditor change - dismissed3
2025-06-27Cell Source, Inc. (CLCS)Auditor change - resigned4
2025-06-20Applied Digital Corp. (APLD)Auditor change - resigned5
2025-06-18Damon Inc. (DMNIF)Auditor change - resigned5
2025-06-16House of Doge Inc. (HODO)Auditor change - resigned5
2025-06-13InMed Pharmaceuticals Inc. (INM)Auditor change - routine (audit-firm merger)2
2025-06-13Crown PropTech Acquisitions (CPTKW)Auditor change - routine (audit-firm merger)1
2025-06-12Trailblazer Merger Corp I (TBMC)Auditor change - dismissed3
2025-06-11Skye Bioscience, Inc. (SKYE)Auditor change - resigned4
2025-06-06UNIVERSAL SAFETY PRODUCTS, INC. (UUU)Auditor change - resigned5
2025-06-03iCoreConnect Inc. (ICCT)Auditor change - routine (audit-firm merger)2
2025-06-02Maquia Capital Acquisition Corp (MAQC)Auditor change - resigned5
2025-05-29XCel Brands, Inc. (XELB)Auditor change - resigned5
2025-05-23PROFUSA, Inc.Auditor change - resigned5
2025-05-22ESTABLISHMENT LABS HOLDINGS INC. (ESTA)Auditor change - routine (audit-firm merger)1
2025-05-20WinVest Acquisition Corp. (WINV)Auditor change - resigned5
2025-05-19EON Resources Inc. (EONR)Auditor change - resigned5
2025-05-19Cartesian Growth Corp II (REEUF)Auditor change - dismissed4
2025-05-16CytoDyn Inc. (CYDY)Auditor change - routine (audit-firm merger)2
2025-05-13FLANIGANS ENTERPRISES INC (BDL)Auditor change - resigned5
2025-05-12RELMADA THERAPEUTICS, INC. (RLMD)Auditor change - resigned5
2025-05-12Rigel Resource Acquisition Corp. (RRACF)Auditor change - routine (audit-firm merger)2
2025-05-09Actinium Pharmaceuticals, Inc. (ATNM)Auditor change - resigned4
2025-05-08DIAMONDHEAD CASINO CORP (DHCC)Auditor change - resigned5
2025-05-07Lodging Fund REIT III, Inc.Auditor change - dismissed5
2025-05-07Inmune Bio, Inc. (INMB)Auditor change - resigned5
2025-05-07byNordic Acquisition Corp (BYNO)Auditor change - dismissed3
2025-05-06Emmaus Life Sciences, Inc. (EMMA)Auditor change - resigned5
2025-05-06Foxx Development Holdings Inc. (FOXX)Auditor change - resigned5
2025-05-06Liminatus Pharma, Inc. (LIMN)Auditor change - routine (post-merger auditor consolidation)3
2025-05-05IP STRATEGY HOLDINGS, INC. (IPST)Auditor change - changed4
2025-05-05BOXABL Inc.Auditor change - changed4
2025-05-05SolarMax Technology, Inc. (SMXT)Auditor change - routine (audit-firm merger)2
2025-05-02Profusa, Inc. (PFSA)Auditor change - resigned5
2025-05-02HYPERION DEFI, INC. (HYPD)Auditor change - resigned5
2025-05-02Stran & Company, Inc. (SWAG)Auditor change - resigned4
2025-05-02IMAC Holdings, Inc. (BACK)Auditor change - dismissed4
2025-05-02Calidi Biotherapeutics, Inc. (CLDI)Auditor change - routine (audit-firm merger)2
2025-05-02KULR Technology Group, Inc. (KULR)Auditor change - routine (audit-firm merger)1
2025-05-01AVAX ONE TECHNOLOGY LTD. (AVX)Auditor change - resigned5
2025-05-01ADIAL PHARMACEUTICALS, INC. (ADIL)Auditor change - resigned5
2025-05-01TurnOnGreen, Inc. (TOGI)Auditor change - dismissed4
2025-04-30Streamex Corp. (STEX)Auditor change - resigned5
2025-04-30micromobility.com Inc. (MCOM)Auditor change - resigned5
2025-04-30Alchemy Investments Acquisition Corp 1 (ALCUF)Auditor change - resigned5
2025-04-30La Rosa Holdings Corp. (LRHC)Auditor change - resigned5
2025-04-30Dominari Holdings Inc. (DOMH)Auditor change - resigned4
2025-04-30Algorhythm Holdings, Inc. (RIME)Auditor change - resigned5
2025-04-30Yotta Acquisition Corp (YOTA)Auditor change - dismissed4
2025-04-30Hyperscale Data, Inc. (GPUS)Auditor change - dismissed4
2025-04-29SRx Health Solutions, Inc. (SRXH)Auditor change - resigned4
2025-04-29TEL INSTRUMENT ELECTRONICS CORP (TIKK)Auditor change - resigned5
2025-04-29Horizon Kinetics Holding Corp (HKHC)Auditor change - changed3
2025-04-28Cartica Acquisition Corp (CRTAF)Auditor change - resigned4
2025-04-28Kairos Pharma, LTD. (KAPA)Auditor change - dismissed3
2025-04-28Forian Inc. (FORA)Auditor change - dismissed3
2025-04-25PAVmed Inc. (PAVM)Auditor change - resigned5
2025-04-25CDT Equity Inc. (CDT)Auditor change - resigned5
2025-04-25IX Acquisition Corp. (IXAQF)Auditor change - resigned5
2025-04-25CVD EQUIPMENT CORP (CVV)Auditor change - resigned4
2025-04-25LifeMD, Inc. (LFMD)Auditor change - resigned4
2025-04-25Nutex Health, Inc. (NUTX)Auditor change - resigned4
2025-04-25HeartBeam, Inc. (BEAT)Auditor change - resigned5
2025-04-25Lucid Diagnostics Inc. (LUCD)Auditor change - resigned5
2025-04-25STRATA Skin Sciences, Inc. (SSKN)Auditor change - resigned4
2025-04-25Beam Global (BEEM)Auditor change - resigned4
2025-04-25Cyngn Inc. (CYN)Auditor change - resigned4
2025-04-25Pasithea Therapeutics Corp. (KTTA)Auditor change - dismissed4
2025-04-25Banzai International, Inc. (BNZI)Auditor change - dismissed4
2025-04-25CPI AEROSTRUCTURES INC (CVU)Auditor change - routine (audit-firm merger)1
2025-04-24GEN Restaurant Group, Inc. (GENK)Auditor change - resigned4
2025-04-24T Stamp Inc (IDAI)Auditor change - resigned5
2025-04-24Libity (IVAUF)Auditor change - resigned5
2025-04-24INTEGRATED BIOPHARMA INC (INBP)Auditor change - resigned4
2025-04-23Edible Garden AG Inc (EDBL)Auditor change - resigned5
2025-04-23FGI Industries Ltd. (FGI)Auditor change - resigned5
2025-04-23Viking Therapeutics, Inc. (VKTX)Auditor change - routine (audit-firm merger)1
2025-04-22CorMedix Inc. (CRMD)Auditor change - resigned4
2025-04-22AmBase Corp (ABCP)Auditor change - resigned5
2025-04-22SmartKem, Inc. (SMTK)Auditor change - resigned4
2025-04-22MILESTONE SCIENTIFIC INC. (MLSS)Auditor change - resigned5
2025-04-22Rekor Systems, Inc. (REKR)Auditor change - resigned5
2025-04-21AIR INDUSTRIES GROUP (AIRI)Auditor change - resigned5
2025-04-21enVVeno Medical Corp (NVNO)Auditor change - resigned4
2025-04-21BioRestorative Therapies, Inc. (BRTX)Auditor change - resigned5
2025-04-21XWELL, Inc. (XWEL)Auditor change - dismissed4
2025-04-18THEGLOBE COM INC (TGLO)Auditor change - resigned5
2025-04-18Biofrontera Inc. (BFRI)Auditor change - resigned5
2025-04-18SOLENO THERAPEUTICS INC (SLNO)Auditor change - resigned4
2025-04-18Cipher Mining Inc. (CIFR)Auditor change - routine (audit-firm merger)1
2025-04-17Inspired Entertainment, Inc. (INSE)Auditor change - resigned4
2025-04-17Nexalin Technology, Inc. (NXL)Auditor change - resigned5
2025-04-17Rein Therapeutics, Inc. (RNTX)Auditor change - resigned5
2025-04-17Insight Molecular Diagnostics Inc. (IMDX)Auditor change - changed3
2025-04-17Pelthos Therapeutics Inc. (PTHS)Auditor change - routine (audit-firm merger)2
2025-04-16ASURE SOFTWARE INC (ASUR)Auditor change - resigned4
2025-04-16PROVECTUS BIOPHARMACEUTICALS, INC. (PVCT)Auditor change - routine (audit-firm merger)2
2025-04-15AltEnergy Acquisition Corp (AEAE)Auditor change - resigned5
2025-04-15Fold Holdings, Inc. (FLD)Auditor change - routine (audit-firm merger)1
2025-04-14EXICURE, INC. (XCUR)Auditor change - resigned5
2025-04-14Harvard Apparatus Regenerative Technology, Inc. (HRGN)Auditor change - resigned5
2025-04-14SANUWAVE Health, Inc. (SNWV)Auditor change - resigned5
2025-04-14Enveric Biosciences, Inc. (ENVB)Auditor change - dismissed4
2025-04-11Consolidated Water Co. Ltd. (CWCO)Auditor change - resigned4
2025-04-11Fabric.AI, Inc. (FABC)Auditor change - changed4
2025-04-11BeyondSpring Inc. (BYSI)Auditor change - routine (audit-firm merger)1
2025-04-10INSEEGO CORP. (INSG)Auditor change - resigned4
2025-04-10Xenetic Biosciences, Inc. (XBIO)Auditor change - resigned4
2025-04-10Precipio, Inc. (PRPO)Auditor change - resigned4
2025-04-10MYOMO, INC. (MYO)Auditor change - resigned4
2025-04-10Spark I Acquisition Corp (SPKL)Auditor change - routine (audit-firm merger)2
2025-04-09Rani Therapeutics Holdings, Inc. (RANI)Auditor change - resigned5
2025-04-09ACORN ENERGY, INC. (ACFN)Auditor change - resigned4
2025-04-09Petros Pharmaceuticals, Inc. (PTPI)Auditor change - changed4
2025-04-09TRANSACT TECHNOLOGIES INC (TACT)Auditor change - routine (audit-firm merger)1
2025-04-08KINGSTONE COMPANIES, INC. (KINS)Auditor change - resigned4
2025-04-07Roman DBDR Acquisition Corp. II (DRDB)Auditor change - resigned5
2025-04-07ZyVersa Therapeutics, Inc. (ZVSA)Auditor change - routine (audit-firm merger)2
2025-04-04Breeze Holdings Acquisition Corp. (BRZH)Auditor change - resigned5
2025-04-04ESCALON MEDICAL CORP (ESMC)Auditor change - resigned5
2025-04-03Range Capital Acquisition Corp. (RANG)Auditor change - resigned5
2025-04-03electroCore, Inc. (ECOR)Auditor change - resigned4
2025-04-01NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI)Auditor change - resigned5

Attributions come from the filings themselves (cover-page XBRL auditor tag, the audit report signature, the former auditor's EX-16 letter or the Item 4.01 text) and are shown only when we are confident; coverage is partial. A going-concern paragraph means the auditor flagged the client's financial position; it is not a criticism of the audit firm. Not investment advice.

Get the weekly "Red Flags" newsletter

The week's most serious auditor changes, restatements, late filings and going-concern warnings, in plain English. Free. Unsubscribe anytime.

Subscribe to the newsletter →
The signup form didn't load here (often an ad or privacy blocker). This opens beehiiv's secure signup page.

Form not showing? Subscribe on beehiiv →

Newsletter delivered by beehiiv. See our privacy policy.