Slide Background


Greran Group is the Family Office for the Grewal family interests founded by Randeep Singh Grewal.



Ca’ Del Grevino is a boutique 105 acre vineyard and winery in the Santa Maria Valley of Santa Barbara County in California (USA). The vineyard is just 10 miles from the Pacific Coast and benefits greatly from cool, maritime influences. It is dedicated to growing healthy vines and producing the highest quality estate-grown grapes. Grapes are hand-picked and hand sorted to ensure highest quality fruit for wine production.

The wine making is personal and full of passion seen through the practices followed in the vineyard to wine making. The family-driven commitment to making high quality wine is demonstrated by sustainable vineyard practices, including three ‘green drops’ prior to harvesting, hand sorting and natural fermentation. Ca’ Del Grevino is made for those who enjoy drinking smooth low acidity, high alcohol content wine made the old-fashioned way.

The hospitality business currently includes the hosting of weddings, conferences and conventions, Villa Grevino for an exquisite vineyard stay, a charming tasting room in Los Olivos and a private wine club.


California Asphalt Production has a refinery operation in Santa Maria, California which produces light naphtha, kerosene distillate, gas oils and numerous emulsions, cut-back, paving and asphalt products. Demand for the asphalt products is primarily in the Central Coastal California between Los Angeles and San Francisco, while naphtha and distillates are sold throughout California. We have delivered product to niche markets in Nevada, Arizona, New Mexico, Oregon, and internationally into Canada and Mexico.

Since being built in 1935, the refinery has essentially run 24/7, 365 days a year. It has always had demand for its full output at market prices. The current permitted output of the refinery is approximately 10,000 barrels per day of refined products.

Greavia Limited

The Group’s aviation business interests encompass aircraft and component maintenance, engineering, maintenance programmes, ground operations, planning, and aircraft leasing with a specialisation in single-aisle aircraft. The Group is focused on maintenance, repair and overhaul (MRO) opportunities in Europe and Asia. Within aircraft components, the Group works in a strategic relationship with AJW Group ( , a global specialist in the supply, exchange, repair and lease of commercial aircraft spare parts and engines.


GRECAP Limited is an investment holding company of the family office. The company's principal activity is seeking generational investments in operating businesses within specific niche industries and geographies. The company is active in mergers and acquisitions, transactions and management buyouts.


The Greka Green Group is the consolidation of innovative technologies developed within the Group over the past twenty years which eliminate methane emissions to atmosphere from coal deposits and specific geological applications. Its mission is to reduce greenhouse emissions of methane from coal to deliver clean efficient solutions for power and transportation and to provide full value chain clean energy solutions that lead us to a clean and greener future. It composes of Greka Green Power and Greka Green Solutions (Sub-surface drilling and surface infrastructure).

Greka Green Power converts clean-burning natural methane gas into electricity that is sold to the local market, and manages the infrastructure that allows excess gas to be delivered into the broader owed and third party distribution network

Greka Green Solution operates subsurface and surface segments to design optimal systems for the capture of desorbed methane from coal deposits and its delivery to end-users, thereby eliminating nature discharges to atmosphere. Sub-surface drilling specialised unconventional gas drilling companies in Asia. Our two-decade track record enables us to drill perfect on plan wellbores with high accuracy, maximum efficiency and less negligible downtime time.

Surface infrastructure develops, manufacturers, installs and operates compressors, CNG dispensers, SCADA systems and CNG Service Stations. The company is synergistic to the affiliate interest in processing and transporting coal bed methane resources. Gas is delivered to the CNG stations from an affiliates transportation fleet and sold to consumers with the Group manufactured GREKA brand gas dispensers.


The Group’s real estate interests are diversified into commercial, residential, farming, development and raw land. There is a long-term view to ownership and concentration within central coastal California, central China, Italy and India. GRELAND continues to seek long-term real estate investments within these niche within these niche geographies.


Heavy Equipment, Logistics and Transportation, Inc., or “HELT’ is an expanding complete service industrial and logistics company based in Santa Maria, California. HELT was established in order service the growing dislocations in California’s energy and construction markets, including the rising cost of domestic bitumen feedstock; the need to resurface an aging highway network to accommodate an increasing reliance on electric vehicles; a buoyant construction market as well as the need to remediate an aging oil infrastructure as well as plug and abandon a significant inventory of shut-in wells with in coastal onshore California. HELT’s predecessor companies have operated in this market since 1997, providing unparalleled insight into the customer base and the emerging trends. HELT, is also Danish for “completely, or entirely” and it reflects our goal to provide end-to-end services.