Fundraising Fox

Pietari Virkkunen

Founder

Co-founder at Last Accounting Company

Helsinki, Uusimaa, Finland

FoundedLast Accounting Company · YC

About

Pietari Virkkunen is co-founder of Last Accounting Company. He holds an M.Sc. in Industrial Engineering and Management from Aalto University and has prior experience in technology, private equity, and venture capital.

Co-founder at Last Accounting CompanyYC S26

Intro paths

YC

Pietari went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Gustaf Alstromer — the partner who ran Last Accounting Company's batch and knows the company first-hand. YC profile ↗

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In turn, Pietari can intro founders to Last Accounting Company's investors below.

Last Accounting Company's investors · 2

Inception Fund$110K – $1.1M checksY CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Last Accounting Company

RKRiki Karjalainen
Riki KarjalainenCo-Founder
SLSami Laakkonen
Sami LaakkonenFounder
VPVeikko Pere
Veikko PereFounder

Experience

  1. LAC (YC S26)Co-Foundercurrent2026 — present
  2. Mandatum Asset ManagementPE2026
  3. SlushResearch2026
  4. Maki.vcVC2025
  5. SievoPresales Solution Consultant2023 — 2024
  6. Aalto UniversityResearch Assistant2022 — 2023

Skills & more

Languages English · Finnish · French · Swedish

From Pietari's professional profile.

Frequently asked questions

Who is Pietari Virkkunen?
Pietari Virkkunen is co-founder of Last Accounting Company. He holds an M.Sc. in Industrial Engineering and Management from Aalto University and has prior experience in technology, private equity, and venture capital.
Where does Pietari Virkkunen work?
Pietari Virkkunen is Co-founder of Last Accounting Company.
What companies did Pietari Virkkunen found?
Pietari Virkkunen founded Last Accounting Company.
Where did Pietari Virkkunen go to school?
Pietari Virkkunen studied at Y Combinator; Aalto University (M.Sc. – Industrial Engineering and Management); National University of Singapore (M.Sc. – International Exchange).

Founder mafias

Y Combinator mafia8,773

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+ 8,766 more

Y Combinator mafia4,716

Also came through, then founded or led a company.

Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3

+ 4,709 more

National University of Singapore mafia88

Also came through, then founded or led a company.

Aihui OngB.Sc.Founded Love With Food +2Mike MoradiLeadershipFounded Southwest Nanotechnologies +1Lloyd LeeExchange StudentFounded Hyperithm +1Sivamani VarunBachelor of Engineering - BEFounded Keygraph +1Victor Liew Jia HaoBachelor of Computing (Honours)Founded StraitsX +1Kushal PillayMaster's degreeFounded Powerhouse Ai +1

+ 81 more

Aalto University mafia22

Also came through, then founded or led a company.

Pauliina MartikainenAalto University School of BusinessFounded Wave VenturesFilip DamesMSCFounded ZalandoJiri HeinonenBachelor of Science - BSFounded SwappieJohannes KorpelaBachelor of ScienceFounded Wave VenturesVille VesterinenBachelor of Science (BSc)Founded HousecatPauliina MeskanenBachelor’s DegreeFounded Calectra

+ 15 more

Tampere University mafia4

Also came through, then founded or led a company.

Tanu-Matti TuominenGraduating Masters StudiesFounded VisionfundAnkur DahamaMaster's degreeFounded UserlensHai TaMaster of Science - MSFounded Userlens

Same school

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital

+ 1,994 more

Also attended Aalto University101

Patrik BackmanGeneral Partner at OpenOceanMirva LaatunenSenior Investment Associate at OpenOceanTony NystenPartner at OpenOceanElina HolkkoPartner and CFO at Lifeline VenturesMohammad Zuhair KhanTrainee / Data Engineer at Lifeline VenturesTeemu MattilaPartner at Lifeline Ventures

+ 95 more

Also attended National University of Singapore332

Justin HallPartner at Golden Gate VenturesMahati SridharPartner, Rise of the Rest at RevolutionCeline XiaoInvestor at DN CapitalSofia DahouneInvestor at DaphniYi Min LohInvestment Associate at Burda Principal InvestmentsSean LooInvestment Analyst at Burda Principal Investments

+ 326 more

Also attended Tampere University4

Ramin VatanparastAdvisor - Enterprise Technology at Augment VenturesTanu-Matti TuominenCo-founder, Partner and Head of Investor Relations at IPR.VCAnkur DahamaFounder at UserlensHai TaFounder at Userlens

Shared employers

Also worked at LAC (YC S26)4

Max LarssonInvestments at Wave VenturesRiki KarjalainenCo-Founder at Last Accounting CompanySami LaakkonenFounder at Last Accounting CompanyVeikko PereFounder at Last Accounting Company

Also worked at Mandatum Asset Management1

Mika UotilaManaging Partner at Sentica Partners Oy

Also worked at Slush24

Timo AhopeltoSerial tech entrepreneur and early-stage investor running Lifeline VenturesPetteri KoponenFounding Partner at Lifeline VenturesMaija MuntilaTalent Lead at Lifeline VenturesKonradInvestment Team at Hummingbird VenturesIlkka KivimäkiFounding Partner & Advisor at Maki.vcPauliina MartikainenManaging Partner at Maki.vc

+ 18 more

Also worked at Maki.vc9

Ilkka KivimäkiFounding Partner & Advisor at Maki.vcPirkka PalomäkiFounding Partner at Maki.vcPauliina MartikainenManaging Partner at Maki.vcPaavo RäisänenGeneral Partner at Maki.vcWilson TukiainenInvestment Manager at Maki.vcAnette KinnunenOfficer Manager & Executive Assistant at Maki.vc

+ 3 more