As filed pursuant to Rule 424(b)(3)

Registration No. 333-156219

PRICING SUPPLEMENT
(To Prospectus dated December 17, 2008 as supplemented by the Prospectus Supplement dated December 17, 2008)

CALCULATION OF REGISTRATION FEE

Title of Each Class of
Securities Offered Proposed Maximum
Aggregate Offering Price Amount of
Registration Fee(1)(2)

(1) Calculated in accordance with Rule 457(r) of the Securities Act.

(2) Paid herewith.

HSBC Finance Corporation - Registration No. 333-156219 Rule 424(b)(3) Preliminary Pricing Supplement No. 43 Dated August 2, 2010
CUSIP Number	Principal Amount		Gross Concession	Net Proceeds	Coupon Type	Coupon Rate		Coupon Frequency	Day Count Basis
40429XXS0	[—]		1.250%	[—]	FIXED	3.300%		Semi-Annual	30/360
Maturity Date	1st Coupon Date		1st Coupon Amount	Survivors Option	Product Ranking
08/15/2015	02/15/2011		$16.77	YES	Senior Unsecured Notes
Redemption Information: Non-Callable
Joint Lead Managers and Lead Agents:  Banc of America Securities LLC, HSBC Securities (USA) Inc. and INCAPITAL, LLC. Agents: Charles Schwab & Company, Incorporated, Citigroup Global Markets Inc., Edward D. Jones & Co., L.P., Fidelity Capital Markets Services, a division of National Financial Services, LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, Morgan Stanley & Co. Incorporated, RBC Capital Markets Corporation, UBS Securities LLC, and Wachovia Securities LLC. If the maturity date or an interest payment date for any note is not a Business Day (as term is defined in the Prospectus), principal, premium, if any, and interest for that note is paid on the next Business Day, and no interest will accrue from, and after, the maturity date or interest payment date. The notes represent obligations of HSBC Finance Corporation and are not obligations of, nor guaranteed by, HSBC Holdings plc or any of its affiliates.
HSBC Finance Corporation		Offering Dates: Monday, August 2, 2010 through					HSBC Finance Corporation
26525 N. Riverwoods Blvd.		Monday, August 9, 2010
Mettawa, IL 60045		Trade Date: Monday, August 9, 2010 @ 12:00 PM ET					HSBC Finance InterNotes
		Settlement Date: Thursday, August 12, 2010
		Minimum Denomination/Increments: $1,000.00/$1,000.00					Prospectus Supplement dated
		Initial trades settle flat and clear SDFS: DTC Book					December 17, 2008
		Entry Only					to
		DTC Number: 0235 via RBC Dain Rauscher Inc.					Prospectus dated
		InterNotes® is a registered trademark of					December 17, 2008
		Incapital Holdings LLC
		All rights reserved.