Exhibit 15.3

www. syciplaw.com MAKATI SyCipLaw Center, 105 Paseo de Roxas Makati City 1226, The Philippines Phone:     +632 8982 3500                 +632 8982 3600                 +632 8982 3700 Fax:         +632 8817 3570                 +632 8848 2030 Email:     sshg@syciplaw.com CEBU 4/F Keppel Center, Cardinal Rosales Ave. cor. Samar Loop, Cebu Business Park Cebu City 6000, The Philippines Phone:     +6332 233 1211 to 13                 +6332 233 1950 Fax:         +6332 233 1682 Email:      sshgcebu@syciplaw.com DAVAO The Penthouse, 17th Floor. Landco Corporate Centre, J.P. Laurel Avenue Bajada, Davao City 8000, The Philippines Phone:     +6382 222 2851                 +6382 221 3917 Email:      sshgdavao@syciplaw.com SUBIC Rms. 134-136 Alpha Bldg. (888) Subic International Hotel, CBD, Subic Bay Freeport Zone 2222, The Philippines Phone:     +6347 252 3983                 +6347 252 3985 Fax:         +6347 252 3986 Email:     sshgsubic@syciplaw.com

Alexander SyCip (1945-1975) Luciano E. Salazar (1945-1991) Benildo G. Hernandez (1960-1998) Andres G. Gatmaitan (1965-2018)   Hector M. De Leon, Jr. MANAGING PARTNER   Marievic G. Ramos-Añonuevo Rocky Alejandro L. Reyes Dante T. Pamintuan Imelda A. Manguiat Rose Marie M. King-Dominguez Ricardo Ma. P.G. Ongkiko Leslie C. Dy Carlos Roberto Z. Lopez Ramon G. Songco Angel M. Salita, Jr. Rafael L. Encarnacion Carina C. Laforteza Maria Teresa D. Mercado-Ferrer Vicente D. Gerochi IV Anthony W. Dee Amer Hussein N. Mambuay Vida M. Panganiban-Alindogan Alan C. Fontanosa Thaddeus R. Alvizo Rodelle B. Bolante Philbert E. Varona Marianne M. Miguel Benedicto P. Panigbatan Russel L. Rodriguez Marietta A. Tibayan Ronald Mark C. Lleno Arlene M. Maneja Melyjane G. Bertillo-Ancheta Hiyasmin H. Lapitan Jose Florante M. Pamfilo Aaron Roi B. Riturban Franco Aristotle G. Larcina Jan Celine C. Abaño-Ranada John Paul V. de Leon Leah C. Abutan Bhong Paulo A. Macasaet John Christian Joy A. Regalado Joan Mae S. To-Conejos Ma. Patricia B. Paz Easter Princess U. Castro-Ty Joanna Marie O. Joson Maria Viola B. Vista Maria Christina C. Ortua-Ang PARTNERS   Enrique T. Manuel Emmanuel M. Lombos Rolando V. Medalla, Jr. Simeon Ken R. Ferrer OF COUNSEL   Cecile M.E. Caro-Selvaggio Christian B. Llido Charmian K. Gloria Catherina M. Fernandez SPECIAL COUNSEL   Emmar Benjoe B. Panahon Rosevee R. Paylip-Guiang Austin Claude S. Alcantara Roshni V. Balani Efren Dominique M. Chatto II Anna Loraine M. Mendoza Mark Xavier D. Oyales Camille Angela M. Espeleta-Castillo Mary Antonette A. Estoperes Ricardo Jesus E. Gutierrez Eleanor N. Balaquiao Mark Kevin U. Dellosa Javierose M. Ramirez Loubelle L. Razon-Bagagnan Ramon I. Rocha IV Nikko Emmanuel D. Silva Nathaniel Andrew Y. Uy Kristina Paola P. Frias Eugenio M. Leynes Hailin D.G. Quintos-Ruiz Renz Jeffrey A. Ruiz SENIOR ASSOCIATES    April 28, 2022   GRAB HOLDINGS LIMITED 3 Media Close, #01-03/06 Singapore 138498   Dear Sirs or Madam,   Re: Grab Holdings Limited (the “Company”)   SyCip Salazar Hernandez and Gatmaitan, acting as Philippine counsel to the Company, consent to the reference to our firm under the captions of “Item 3.D — Risk Factors — Risks Relating to Our Corporate Structure and Doing Business in Southeast Asia” in the Company’s annual report on Form 20-F for the year ended December 31, 2021 (the “Annual Report”).   We further consent to the incorporation by reference of such reference in the Annual Report and this consent into the Registration Statement (Form S-8 No. 333-262658) pertaining to the Company’s Amended and Restated 2021 Equity Incentive Plan and 2021 Equity Stock Purchase Plan. We also consent to the filing of this consent letter with the SEC as an exhibit to the Annual Report.   In giving such consent, we do not thereby admit that we come within the category of persons whose consent is required under Section 7 of the Securities Act of 1933, or under the Securities Exchange Act of 1934, in each case, as amended, or the regulations promulgated thereunder.   Yours faithfully,   SYCIP SALAZAR HERNANDEZ & GATMAITAN By:   /S/ ARLENE M. MANEJA ARLENE M. MANEJA   /S/ MELYJANE G. BERTILLO-ANCHETA MELYJANE G. BERTILLO-ANCHETA   /S/ FRANCO ARISTOTLE G. LARCINA FRANCO ARISTOTLE G. LARCINA

Leo Francis F. Abot • Spencer M. Albos • Diana Elaine B. Bataller • Juan Emmanuel P. Batuhan • Kevin Joseph C. Berbaño • Christopher A. Capulong • Neil Jason T. Casas • Roman George P. Castillo • Il Young Choi • Samantha Carissa D. Crisostomo • Fenina Maria C. De Leon • Miguel Franco T. Dimayacyac • Diane Kristel E. Falcotelo • Raymond Joseph S. Garcia • Evan Clark P. Lim • Yzabel Renee E. Limchoc • Muhammad Murshid M. Marsangca • Kathleen Mae L. Nieto • Michael Trance Joseph M. Nuñez • Severino Miguel B. Sanchez • Jewelle Ann Lou P. Santos • Samantha Marie C. Sundiam • Gian Carlo B. Velasco • Gilda Patrizia A. Veluya • Marianne Crielle G. Vitug ASSOCIATES

1 January 2022