SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.___________)* Pharma-Bio Serv, Inc. ----------------------------------------------------- (Name of Issuer) Common Stock, $.0001 par value ------------------------------------------------------------- (Title of Class of Securities) 0001304161 ----------------------------------------------------- (CUSIP Number) May 8, 2006 ---------------------------------------------------- (Date of Event) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [XX] Rule 13d-1(c) [ ] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 of 5 pages CUSIP No. 0001304161 13G Page 2 of 5 Pages -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Krovim LLC -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 1,200,000 BENEFICIALLY -------------------------------------------------------------- OWNED BY 6 SHARED VOTING POWER EACH REPORTING -------------------------------------------------------------- PERSON 7 SOLE DISPOSITIVE POWER WITH 1,200,000 -------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,200,000 -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.22% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT < CUSIP No. 0001304161 13G Page 3 of 5 Pages -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON LDP Family Partnership, LP -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 1,158,839 BENEFICIALLY -------------------------------------------------------------- OWNED BY 6 SHARED VOTING POWER EACH REPORTING -------------------------------------------------------------- PERSON 7 SOLE DISPOSITIVE POWER WITH 1,158,839 -------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,358,839 -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.19% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT < Page 4 of 5 pages Item 1. (a) Name of Issuer: Pharma-Bio Serv, Inc. (b) Address of Issuer's Principal Executive Offices: 373 Medez Vigo, Suite 110 Dorado, Puerto Rico 00646 Item 2. (a) Name of Person Filing: This statement is filed on behalf of Krovim LLC, ("Krovim") and LDP Family Partnership, LP ("LDP") (the "Reporting Parties"). (b) Address of Principal Business Office or, if None, Residence: The Reporting Parties business address is P.O. Box 339, Lawrence, New York, NY 11559. (c) Citizen: Krovim is incorporated in the State of Delaware. LDP is incorporated in the State of Colorado. (d) Title of Class of Securities: Common Stock, $.0001 par value ("shares"). (e) CUSIP#: 0001304161 Item 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b), check whether the person filing is a: (a) [ ] Broker or Dealer registered under Section 15 of the Act (b) [ ] Bank as defined in section 3(a)(6) of the Act (c) [ ] Insurance Company as defined in section 3(a)(19) of the Act (d) [ ] Investment Company registered under section 8 of the Investment Company Act (e) [ ] Investment Adviser registered under section 203 of the Investment Advisers Act of 1940 (f) [ ] Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see Section 240.13d-1(b)(1)(ii)(F) (g) [ ] Parent Holding Company, in accordance with Section 240.13d-1(b)(1)(ii)(G) (h) [ ] Group, in accordance with Section 240.13d- 1(b)(1)(ii)(H) (i) [ ] A church plan that is excluded from definition of an investment company under section 3(c) (14) of the Investment Company Act of 1940. Item 4. Ownership: (a)(b) As of May 8, 2006, Krovim may be deemed to beneficially own 1,200,000 shares or 6.22% consisting of (i) 240,000 shares owned directly by Krovim and (ii) warrants to purchase 960,000 shares. LDP may be deemed to beneficially own 1,158,839 shares or 6.19% consisting of (i) 772,791 shares owned by LDP and (ii) warrants to purchase 386,048 shares held by LDP. (c) Laya Perlysky and Dov Perlysky are husband and wife. Laya Perlysky is the general partner of LDP Family Partnership, LP and has sole voting and dispositive control over shares owned by LDP. Dov Perlysky is a managing member of an LLC, which is the manager of Krovim, and has sole voting and dispositive control of shares owned by Krovim. See Exhibit A which is an agreement to file this statement on 13g on behalf of each of them. __________________________________________________ (1) Laya and Dov Perlysky each disclaim ownership of the shares beneficially owned by the other Page 5 of 5 pages Item 5. Ownership of Five Percent of class. Not applicable. Item 6. Ownership of More Than Five Percent on Behalf of Another Person. Not applicable. Item 7. Identification and Classification of the Subsidiary which Acquired the Security Being Reported on By the Parent Holding Company. Not applicable. Item 8. Identification and Classification of Members of the Group. Not applicable. Item 9. Notice of Dissolution of Group. Not applicable. Item 10. Certification: By signing below i certify that to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as participant in any transaction having such purpose of effect. SIGNATURE After reasonable inquiry and to the best knowledge and belief of the Reporting Person, such person or entity certifies that the information set forth in this statement is true, complete and correct. Krovim, LLC by Nesher, LLC /s/ Dov Perlysky Dated: May 8, 2006 By:_________________________________ New York, New York Dov Perlysky Member Dated: May 8, 2006 LDP Family Partnership, LP New York, New York /s/ Laya Perlysky By:_________________________________ Laya Perlysky General Partner